- Regular
- StudentStudent Fare
Only students above 12 years of age are eligible for special fares and/or additional baggage allowances. Carrying valid student ID cards and student visas (where applicable) is mandatory, else the passenger may be denied boarding or asked to pay for extra baggage.
Popular Filters
One Way Price
Duration
Stops From Chennai
Departure From Chennai
₹ 13,055
₹ 18,486
₹ 22,362
₹ 8,999
Arrival at Hanoi
₹ 19,795
₹ 13,055
₹ 8,999
₹ 24,225
Alliances & Airlines
Oneworld
(14)
SkyTeam
(30)
Star Alliance
(46)
+ 9 more
Layover Airports
+ 9 more
Layover Duration
Further Flights From Chennai (MAA)
Further Flights From Hanoi (HAN)
Top International Routes
Top International Cities
Bookings open for direct flights from Hyderabad-Amsterdam!
Limited Period Offers
Popular Hotels in Chennai
Hotels in Chennai
Premium Hotels Nearby Chennai
Popular Hotels in Hanoi
Hotels in Hanoi
Premium Hotels Nearby Hanoi
Trains from Chennai
Trains to Chennai
Chennai to Hanoi Flights, Fares @ ₹8999 + Flat Rs 1500 OFF
₹ 8,999
Use code GODEALS and get Rs 1450 discount
Chennai to Hanoi , 2 Apr
AirAsia Berhad AK 12
23:45
Thu, 2 Apr 26
Terminal T2
Chennai, India
04 h 05 m
06:20
Fri, 3 Apr 26
Terminal T2
Kuala Lumpur, Malaysia
BAGGAGE : CHECK INCABIN
Information not available
AirAsia Berhad AK 512
12:10
Fri, 3 Apr 26
Terminal T2
Kuala Lumpur, Malaysia
03 h 10 m
14:20
Fri, 3 Apr 26
Terminal T2
Hanoi, Vietnam
BAGGAGE : CHECK INCABIN
Information not available
Low Fare
Fare offered by airline.
₹ 8,999
Premium Flex
Fare offered by airline.
₹ 37,681
₹ 13,055
Get Flat Rs 1450 OFF using code GODEALS | Get Flat 8% OFF using Axis Credit cards using GOAXISINTEMI
Chennai to Hanoi , 2 Apr
Thai AirAsia FD 164
02:10
Thu, 2 Apr 26
Terminal T2
Chennai, India
03 h 30 m
07:10
Thu, 2 Apr 26
Terminal T1
Don Mueang Intl-Bangkok, Thailand
BAGGAGE : CHECK INCABIN
Information not available
Thai AirAsia FD 640
09:55
Thu, 2 Apr 26
Terminal T1
Don Mueang Intl-Bangkok, Thailand
01 h 55 m
11:50
Thu, 2 Apr 26
Terminal T2
Hanoi, Vietnam
BAGGAGE : CHECK INCABIN
Information not available
Low Fare
Fare offered by airline.
₹ 13,055
Premium Flex
Fare offered by airline.
₹ 31,148
₹ 17,949
Get Flat Rs 1450 OFF using code GODEALS | Get Flat 8% OFF using Axis Credit cards using GOAXISINTEMI
Chennai to Hanoi , 2 Apr
Thai AirAsia FD 154
23:25
Thu, 2 Apr 26
Terminal T2
Chennai, India
03 h 25 m
04:20
Fri, 3 Apr 26
Terminal T1
Don Mueang Intl-Bangkok, Thailand
BAGGAGE : CHECK INCABIN
Information not available
Thai AirAsia FD 640
09:55
Fri, 3 Apr 26
Terminal T1
Don Mueang Intl-Bangkok, Thailand
01 h 55 m
11:50
Fri, 3 Apr 26
Terminal T2
Hanoi, Vietnam
BAGGAGE : CHECK INCABIN
Information not available
Low Fare
Fare offered by airline.
₹ 17,949
Premium Flex
Fare offered by airline.
₹ 31,707
₹ 20,537
₹ 2,051 Instant Discount
Re Check-in of Baggage required | Special Deal Pre-applied for you
Chennai to Hanoi , 2 Apr
AirAsia Berhad AK 10
08:05
Thu, 2 Apr 26
Terminal T2
Chennai, India
04 h
14:35
Thu, 2 Apr 26
Terminal T2
Kuala Lumpur, Malaysia
BAGGAGE : CHECK INCABIN
Information not available
VietJet Air VJ 906
12:30
Fri, 3 Apr 26
Terminal T1
Kuala Lumpur, Malaysia
03 h 10 m
14:40
Fri, 3 Apr 26
Terminal T2
Hanoi, Vietnam
BAGGAGE : CHECK INCABIN
Information not available
Low Fare, Eco
Fare offered by airlines.
₹ 20,537₹ 18,486
₹ 19,795
Get Flat Rs 1050 OFF using code GODEALS | Get Flat 8% OFF using Axis Credit cards using GOAXISINTEMI
Chennai to Hanoi , 2 Apr
IndiGo 6E 923
21:10
Thu, 2 Apr 26
Terminal T1
Chennai, India
02 h 30 m
23:40
Thu, 2 Apr 26
Kolkata, India
BAGGAGE : CHECK INCABIN
Information not available
IndiGo 6E 1631
21:45
Fri, 3 Apr 26
Kolkata, India
02 h 55 m
02:10
Sat, 4 Apr 26
Terminal T2
Hanoi, Vietnam
BAGGAGE : CHECK INCABIN
Information not available
Saver
Fare offered by airline.
₹ 19,795
GOSPECIAL
Fare by Goibibo
₹ 19,455
Flexi plus
Fare offered by airline.
₹ 23,373
IndiGo Upfront
Fare offered by airline.
₹ 25,788
₹ 19,952
Get Flat Rs 1050 OFF using code GODEALS | Get Flat 8% OFF using Axis Credit cards using GOAXISINTEMI
Chennai to Hanoi , 2 Apr
IndiGo 6E 6326
11:45
Thu, 2 Apr 26
Terminal T1
Chennai, India
02 h 35 m
14:20
Thu, 2 Apr 26
Kolkata, India
BAGGAGE : CHECK INCABIN
Information not available
IndiGo 6E 1631
21:45
Thu, 2 Apr 26
Kolkata, India
02 h 55 m
02:10
Fri, 3 Apr 26
Terminal T2
Hanoi, Vietnam
BAGGAGE : CHECK INCABIN
Information not available
Saver
Fare offered by airline.
₹ 19,952
GOSPECIAL
Fare by Goibibo
₹ 19,612
Flexi plus
Fare offered by airline.
₹ 21,002
IndiGo Upfront
Fare offered by airline.
₹ 21,737
₹ 21,122
Get Flat Rs 1450 OFF using code GODEALS | Get Flat 8% OFF using Axis Credit cards using GOAXISINTEMI
Chennai to Hanoi , 2 Apr
Thai AirAsia FD 154
23:25
Thu, 2 Apr 26
Terminal T2
Chennai, India
03 h 25 m
04:20
Fri, 3 Apr 26
Terminal T1
Don Mueang Intl-Bangkok, Thailand
BAGGAGE : CHECK INCABIN
Information not available
Thai AirAsia FD 642
06:40
Fri, 3 Apr 26
Terminal T1
Don Mueang Intl-Bangkok, Thailand
01 h 50 m
08:30
Fri, 3 Apr 26
Terminal T2
Hanoi, Vietnam
BAGGAGE : CHECK INCABIN
Information not available
Low Fare
Fare offered by airline.
₹ 21,122
Premium Flex
Fare offered by airline.
₹ 31,707
₹ 22,147
Get Flat Rs 1050 OFF using code GODEALS | Get Flat 8% OFF using Axis Credit cards using GOAXISINTEMI
Chennai to Hanoi , 2 Apr
IndiGo 6E 987
05:25
Thu, 2 Apr 26
Terminal T1
Chennai, India
02 h 20 m
07:45
Thu, 2 Apr 26
Kolkata, India
BAGGAGE : CHECK INCABIN
Information not available
IndiGo 6E 1631
21:45
Thu, 2 Apr 26
Kolkata, India
02 h 55 m
02:10
Fri, 3 Apr 26
Terminal T2
Hanoi, Vietnam
BAGGAGE : CHECK INCABIN
Information not available
Saver
Fare offered by airline.
₹ 22,147
GOSPECIAL
Fare by Goibibo
₹ 21,807
Flexi plus
Fare offered by airline.
₹ 26,140
IndiGo Upfront
Fare offered by airline.
₹ 28,555
₹ 22,362
Get Flat Rs 1050 OFF using code GODEALS | Get Flat 8% OFF using Axis Credit cards using GOAXISINTEMI
Chennai to Hanoi , 2 Apr
IndiGo 6E 986
15:05
Thu, 2 Apr 26
Terminal T1
Chennai, India
02 h 20 m
17:25
Thu, 2 Apr 26
Kolkata, India
BAGGAGE : CHECK INCABIN
Information not available
IndiGo 6E 1631
21:45
Thu, 2 Apr 26
Kolkata, India
02 h 55 m
02:10
Fri, 3 Apr 26
Terminal T2
Hanoi, Vietnam
BAGGAGE : CHECK INCABIN
Information not available
Saver
Fare offered by airline.
₹ 22,362
GOSPECIAL
Fare by Goibibo
₹ 22,022
Flexi plus
Fare offered by airline.
₹ 26,355
IndiGo Upfront
Fare offered by airline.
₹ 28,770
₹ 24,225
Get Flat Rs 1450 OFF using code GODEALS | Get Flat 8% OFF using Axis Credit cards using GOAXISINTEMI
Chennai to Hanoi , 2 Apr
Air India AI 348
06:30
Thu, 2 Apr 26
Terminal T2
Chennai, India
04 h 35 m
13:35
Thu, 2 Apr 26
Terminal T2
Singapore, Singapore
BAGGAGE : CHECK INCABIN
Information not available
Vietnam Airlines VN 662
15:50
Thu, 2 Apr 26
Terminal T3
Singapore, Singapore
03 h 30 m
18:20
Thu, 2 Apr 26
Terminal T2
Hanoi, Vietnam
BAGGAGE : CHECK INCABIN
Information not available
Eco value
Fare offered by airlines.
₹ 12,000
₹ 24,225
Eco classic
Fare offered by airlines.
₹ 12,000
₹ 24,750
Eco flex
Fare offered by airlines.
₹ 3,000
₹ 29,475
| Chennai Hanoi Cheap Flights | Fare | Date |
|---|---|---|
| Lowest Airfare Today | Rs 21338 |
15 Feb
|
| Cheapest Fare Within 30 Days | Rs 9139 |
06 Mar
|
| Cheapest Fare Within 90 Days | Rs 8999 |
21 Mar
|
| Cheapest Fare Within 365 Days | Rs 8999 |
21 Mar
|
Get cheap flights from Chennai to Hanoi with Goibibo India
Q: Why choose Goibibo for your flight booking from Chennai to Hanoi?
A: Goibibo lets you search and compare flight tickets to various destinations with just a click. There is a huge inventory of airlines for you to choose from, and exciting deals and discounts so that you can book your flight tickets at reasonable prices. You can always reach out to Goibibo customer care for any help.
Q: How to get a cheap flight ticket from Chennai to Hanoi?
A: At Goibibio, it’s very simple to find cheap flights. • After entering the source and destination on the home page, you will get a list of flights. Click on the ‘Cheapest’ filter below to see the cheapest flights first. • You can also grab a cheap flight booking by setting up an alert for Chennai to Hanoi flights. Goibibo will let you know whenever there is a price drop for your flight. What’s the best time to book a flight from Chennai to Hanoi? • For a cheap domestic flight, try booking 3-4 weeks in advance. • For an international flight, you must book at least 7-8 weeks ahead for a better price. • You can also check the calendar view while booking to compare the prices for various dates. • Set up a price alert to get notified about the best prices for your flight from Chennai to Hanoi.
Q: What should you keep in mind while booking a flight from Chennai to Hanoi?
A: At Goibibo, you can compare flights from all major airlines at one go. Always keep an eye out for the best offers on your Chennai to Hanoi flight. Plus, there are no hidden charges when you book a Chennai to Hanoi flight on Goibibo.
Q: Is there any discount on a flight booking from Chennai to Hanoi?
A: Goibibo always has discount offers running on flights. You can find many coupons on the website and app for your Chennai to Hanoi booking. While booking, you can choose the best coupon from the list for an instant discount on your tickets.
Chennai to Hanoi Flights
Searching for Chennai to Hanoi cheap flights? Then, Goibibo is your one-stop destination to book Chennai to Hanoi flight in a hassle-free manner. It is one such platform that brings forth all the options for you at one place and lets you book the most suitable flight with the best deals and offers.
There is no dearth of options when it comes to Chennai to Hanoi Flight booking. Several budget and premium airlines fly on this route. You can easily check the Chennai to Hanoi flight schedule on Goibibo. There are approximately 84 flights flying daily between Chennai and Hanoi from early morning to late at night. Out of these Chennai to Hanoi flight, 0 are non stop flights 84 are connecting flights. Air India, AirAsia Berhad, Cathay Pacific, Emirates, Ethiopian Airlines, Etihad Airways, IndiGo, Malaysia Airlines, Qatar Airways, Singapore Airlines, Thai AirAsia, Thai Airways, Turkish Airlines, VietJet Air, Vietnam Airlines are some major airlines that fly between Chennai and Hanoi.
The lowest airfare of Chennai to Hanoi flight is ₹8999 and the average airfare is 56120 depending on the airline, timings and availability. So, it is advisable to book domestic flights 2-3 weeks well in advance to avail minimum airfare. You can also book Chennai to Hanoi cheap flights if you are flexible with your dates and timings.
You will board your Chennai to Hanoi flight from the Chennai International Airport and deboard it at Hanoi Noi Bai International Airport.
You cannot only book Chennai to Hanoi cheap flight tickets through Goibibo but can also do web check-in and track your flight status.
How to book a Chennai to Hanoi flight ticket on Goibibo?
Booking flight tickets on Goibibo is very simple. For a Chennai to Hanoi flight, check below:
How can I check the flight schedule for a Chennai to Hanoi flight?
To check the Chennai to Hanoi flight schedule,
How much baggage can I carry on my Chennai to Hanoi flight?
Baggage allowance depends on the class of travel and airline. In the Chennai to Hanoi Air India flight, 25 kg of checked baggage is allowed, while 8 kg of hand luggage is permitted. On the other hand, in all domestic IndiGo flights, a passenger can carry 7 kg of hand luggage and 15 kg of checked baggage.
Where will I board my flight at Chennai and deboard at Hanoi?
When you have booked a Chennai to Hanoi flight, you will board the flight at and de-board at .
How can I do web check-in for my upcoming Chennai at Hanoi flight?
To avail the web check-in service and avoid queues at airports, you have to visit the official airline websites. Commonly, you have to fill the cities of departure and arrival, PNR number and last name to select your preferred seats and meals.
About Hanoi
Best Time to Visit
March to April and September to November are said to be the perfect months to visit the city of Hanoi when the weather is pleasant. The city at this time is crowded but the good weather beats all the odds. July to September experience harsh summers and December to March can get chilly, while from May to September, it often rains.
Places to Visit
Old Quarter is the place you must explore first. This quarter has many attractions, a few minutes from each other. Besides the attractions, there are plenty of hotels, restaurants and cool souvenir shops. Hoan Kiem Lake and the 18th century Ngoc Son Temple of Lord Budhha is a very peaceful place to visit. You can wander, relax and chat with the local students. With manicured courtyards and gardens, the Temple of Literature is definitely a postcard-worthy place to visit. With progressing day, the crowd increases, so it is better to visit in early hours. Visit Hoa Lo Prison, where many Vietnamese political and Ameican Prison of Wars were kept during the Vietnam War. You can plan to visit Thang Long Water Puppet Theatre to watch the interesting water puppet show. One Pillar Pagoda, Vietnam Museum of Ethnology, National Museum of Vietnamese History, Bach Ma Temple, Vietnamese National Museum of Fine Arts and Ho Chi Minh’s Stilt House are some other attractions you can visit. Dong Xuan Market is one of the best markets in the city for shopping. For best deal on Hanoi hotels book from Goibibo.
Food and Restaurants
Food in Vietnam is cheap as well as delicious. Some of the best local dishes you must taste are Pho, Bun Cha, Pho Xao, Banh Mi, Banh Cuon and Bun Nem (spring rolls). Egg Coffee is the most popular beverage you must drink. Bia Hoi Corner, Bun Cha Hang Manh, Gia Truyen, Pho Bat Dan and Daluva, Bo De Quan are some recommended restaurants.
About 10 minutes from the Old Quarter, Tay Ho is a popular area where you can enjoy fine dining. Ta Hien Street, popularly called as the Beer Street is also a nice place to enjoy BBQ and beer before heading to bars.
Transportation
Noi Bai International Airport (HAN) is the main airport in Hanoi, an hour away from the city centre. The airport connects to several international cities via major flights such as Aeroflot, Hong Kong Airlines, Singapore Airlines, China Airlines and AirAsia. Visitors flying from India have numerous connecting flights running to and from Hanoi. Find cheap direct Delhi to Hanoi flight from Goibibo. Cheap flight tickets from here to other popular cities can be booked online on Goibibo. Also, flight status & other details related to flight booking & air tickets can be easily accessed on it. So for cheapest air tickets, it is recommended to book flights online. Express Bus 86 and public buses carry passengers from the airport to the main city. Hanoi Station is the main station in the city and several trains depart to Ho Chi Minh City, Lao Cai and many other cities of China. Intercity bus services run to many neighbouring cities of Vietnam.
Public buses in Hanoi are of white, yellow and red colours. These buses are super convenient, they run throughout the city and charge fares according to the distance. Cyclo or tuk-tuk operates in the city and is best for covering short distances. Taxis and Motorbike taxis are also available if you do not prefer sharing. Grab and Uber are perfect app-based cab solutions to travel around the city.
Airport Address
Tel: +84 (0)4 827 1513 | +84 (0)4 826 8522 | +84 (0)4 886 5060 | Fax: +84 (0)4 825 9222 | +84 (0)4 886 5059
About Chennai
Chennai is more than just a destination—it is the cultural and economic heartbeat of South India. Situated along the eastern coastline of India, this dynamic city is known for its timeless traditions, modern business districts, and scenic seafronts. Formerly called Madras, Chennai has evolved into a global city while staying deeply rooted in its heritage.
Travelers book flights to Chennai for various reasons, including business trips, family visits, religious tourism, medical travel, and leisure holidays. With strong air connectivity and a well-developed urban infrastructure, Chennai continues to be one of the most visited cities in the country.
Best Time to Visit Chennai
Chennai has a warm coastal climate throughout the year, but some months offer a more comfortable travel experience.
The most favorable time to visit Chennai is between November and February. During this period, the city enjoys milder temperatures and lower humidity, making it ideal for sightseeing, temple visits, beach walks, and outdoor exploration. This season also coincides with cultural festivals and music events, adding to the city’s charm.
From March to May, Chennai experiences peak summer with high temperatures. While the heat can be intense, this is also when travelers often find cheap flights to Chennai due to lower tourist demand.
The monsoon season from June to October brings occasional rainfall, refreshing the city but sometimes affecting travel plans. Despite this, flights continue to operate smoothly, and the city remains active year-round.
Popular Places to Visit in Chennai
Chennai offers a mix of spiritual landmarks, historical attractions, and natural beauty.
Marina Beach
Stretching along the Bay of Bengal, Marina Beach is one of Chennai’s most iconic locations. Early mornings and evenings are perfect for enjoying the sea breeze and local food stalls.
Kapaleeshwarar Temple
Located in the historic neighborhood of Mylapore, this ancient temple showcases classic South Indian architecture and remains an important spiritual center.
Fort St. George
This historic fort marks the beginnings of Chennai as a modern city. Today, it houses museums and government buildings that reflect the city’s colonial past.
Santhome Basilica
A serene and architecturally striking church, Santhome Basilica is a peaceful spot for visitors interested in history and heritage.
Besant Nagar Beach
Popular among locals, this beach offers a quieter atmosphere compared to Marina and is ideal for relaxing evenings.
Government Museum & Art Gallery
These institutions provide insight into South Indian culture, art, and archaeology, making them worth a visit for history enthusiasts.
Chennai International Airport (MAA)
Chennai is served by Chennai International Airport, identified by the airport code MAA. It is one of India’s busiest airports and a major aviation gateway to South India.
The airport handles both domestic and international flights to Chennai, connecting the city with major Indian metros and global destinations. Travelers can find frequent direct flights to Chennai from cities such as Delhi, Mumbai, Bengaluru, Hyderabad, and Kolkata.
Chennai Airport has separate terminals for domestic and international travel and offers modern amenities including lounges, dining options, retail stores, and smooth passenger services. Located about 20 kilometers from the city center, the airport is easily accessible by road and metro.
Local Transportation in Chennai
Moving around Chennai is convenient thanks to its diverse transportation options.
Metro Rail
The Chennai Metro provides fast and comfortable connectivity between the airport and important city areas. It is one of the most efficient ways to travel within the city.
Suburban Trains
The suburban railway network connects central Chennai with nearby towns and residential zones, making it popular among daily commuters.
City Buses
Public buses run extensively across Chennai and are a budget-friendly option for exploring different neighborhoods.
Auto Rickshaws and Cabs
Auto rickshaws are widely available, while app-based taxi services offer hassle-free travel for visitors.
Car Rentals
Travelers can also choose self-drive or chauffeur-driven car rentals for flexibility and comfort.
Why Book Flights to Chennai?
Chennai stands out as a city that offers something for everyone. It is a major hub for information technology, automobile manufacturing, healthcare, education, and culture. The city’s welcoming atmosphere, rich history, and modern lifestyle make it a preferred destination for both short visits and long stays.
With multiple airlines operating daily, travelers can easily find Chennai flight tickets at competitive prices. Booking in advance helps secure the best Chennai flight deals, especially during peak seasons and festivals.
Whether you are planning a business trip, a family visit, or a holiday by the sea, booking flights to Chennai (MAA) opens the door to a city that balances tradition with progress and offers a truly memorable travel experience.
Airport Address
Airport Name: Chennai International Airport
IATA Code: MAA
Address: Great Southern Trunk Road, Meenambakkam, Tamil Nadu, India
Country: India
GMT Offset: +5:30 hours
Latitude: 12°58′56″N
Longitude: 80°9′49″E
PHONE NUMBER: (91) 44 234 0551/234 3323
FLIGHT INFORMATION NO : (91) 44 234 4433
Frequently Asked Questions - Chennai to Hanoi Flights
Q: What is today’s cheapest fare from Chennai to Hanoi?
A: Today lowest airfare on Chennai to Hanoi flight route is 21338.
Q: Which airline has maximum number for flights between Chennai to Hanoi?
A: Out of 84 daily flights between Chennai to Hanoi Air India has maximum 37 flights. After that Vietnam Airlines has 30, IndiGo has 15, Malaysia Airlines has 10, Singapore Airlines has 5, Etihad Airways has 3, Qatar Airways has 3, Thai AirAsia has 3, AirAsia Berhad has 2, Emirates has 2, Thai Airways has 2, Cathay Pacific has 1, Ethiopian Airlines has 1, Turkish Airlines has 1, VietJet Air has 1 flights between Chennai to Hanoi.
Q: Which is the cheapest flight from Chennai to Hanoi in next 7 and next 30 days?
A: Cheapest flight in next 7 days on Chennai to Hanoi route is at ₹15301. And in next 30 days lowest price on Chennai to Hanoi route is ₹9139.
Q: What are the name and codes for Chennai and Hanoi airports?
A: The name of Chennai airport is Chennai International Airport and its code is MAA and name of Hanoi Airport is Hanoi Noi Bai International Airport, its code is HAN.
Q: How many flights fly from Chennai to Hanoi on the daily basis?
A: Around 84 flights are flying daily from Chennai to Hanoi. Out of which 0 are direct and 84 are connecting flights on this route. Some major airlines between this route are Air India, AirAsia Berhad, Cathay Pacific, Emirates, Ethiopian Airlines, Etihad Airways, IndiGo, Malaysia Airlines, Qatar Airways, Singapore Airlines, Thai AirAsia, Thai Airways, Turkish Airlines, VietJet Air, Vietnam Airlines.
Q: Which is the last flight on Chennai to Hanoi route?
A: The last flight from Chennai to Hanoi route is Malaysia Airlines, Vietnam Airlines at 23:55.
Q: When does the first flight leave from Chennai to Hanoi?
A: The first flight from Chennai to Hanoi is Cathay Pacific at 00:50.
Q: Which are the most preferred airlines from Chennai to Hanoi ?
A: Air India, AirAsia Berhad, Cathay Pacific, Emirates, Ethiopian Airlines, Etihad Airways, IndiGo, Malaysia Airlines, Qatar Airways, Singapore Airlines, Thai AirAsia, Thai Airways, Turkish Airlines, VietJet Air, Vietnam Airlines are the most preferred airlines on Chennai to Hanoi flight route.