- Regular
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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 Barcelona
Departure From Barcelona
₹ 41,344
₹ 40,762
₹ 40,996
Arrival at Kathmandu
₹ 40,996
₹ 47,738
₹ 40,762
₹ 40,996
Alliances & Airlines
Oneworld
(75)
SkyTeam
(3)
Star Alliance
(18)
+ 14 more
Layover Airports
+ 14 more
Layover Duration
Further Flights From Barcelona (BCN)
Further Flights From Kathmandu (KTM)
Top International Routes
Top International Cities
Up to 15% OFF* on Flights.
13th Dec'25
Popular Hotels in Barcelona
Hotels in Barcelona
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Popular Hotels in Kathmandu
Hotels in Kathmandu
Premium Hotels Nearby Kathmandu
Cabs to Kathmandu
Barcelona to Kathmandu Flights, Fares @ ₹40762 + Flat Rs 1500 OFF
₹ 40,762
Re Check-in of Baggage required | Use code GODEALS and get Rs 1500 discount OR Get up to 15% OFF on ICICI Bank credit cards using GOICICI
Barcelona to Kathmandu , 18 Jan
Qatar Airways QR 146
15:20
Sun, 18 Jan 26
Terminal T1
Barcelona, Spain
06 h
23:20
Sun, 18 Jan 26
Doha, Qatar
BAGGAGE : CHECK INCABIN
Information not available
Qatar Airways QR 4780 | Operated By IndiGo
02:00
Mon, 19 Jan 26
Doha, Qatar
04 h
08:30
Mon, 19 Jan 26
Terminal T3
New Delhi, India
BAGGAGE : CHECK INCABIN
Information not available
IndiGo 6E 1155
14:05
Mon, 19 Jan 26
Terminal T3
New Delhi, India
01 h 50 m
16:10
Mon, 19 Jan 26
Kathmandu, Nepal
BAGGAGE : CHECK INCABIN
Information not available
Economy classic, Saver
Fare offered by airlines.
₹ 16,630
₹ 40,762
₹ 40,996
Re Check-in of Baggage required | Use code GODEALS and get Rs 1500 discount OR Get up to 15% OFF on ICICI Bank credit cards using GOICICI
Barcelona to Kathmandu , 18 Jan
Qatar Airways QR 142
22:15
Sun, 18 Jan 26
Terminal T1
Barcelona, Spain
06 h
06:15
Mon, 19 Jan 26
Doha, Qatar
BAGGAGE : CHECK INCABIN
Information not available
Qatar Airways QR 4790 | Operated By IndiGo
08:20
Mon, 19 Jan 26
Doha, Qatar
03 h 55 m
14:45
Mon, 19 Jan 26
Terminal T3
New Delhi, India
BAGGAGE : CHECK INCABIN
Information not available
Air India AI 211
17:55
Mon, 19 Jan 26
Terminal T3
New Delhi, India
01 h 55 m
20:05
Mon, 19 Jan 26
Terminal I
Kathmandu, Nepal
BAGGAGE : CHECK INCABIN
Information not available
Economy classic, Eco value
Fare offered by airlines.
₹ 16,630
₹ 40,996
₹ 41,344
Re Check-in of Baggage required | Use code GODEALS and get Rs 1500 discount OR Get up to 15% OFF on ICICI Bank credit cards using GOICICI
Barcelona to Kathmandu , 18 Jan
Qatar Airways QR 138
08:35
Sun, 18 Jan 26
Terminal T1
Barcelona, Spain
06 h
16:35
Sun, 18 Jan 26
Doha, Qatar
BAGGAGE : CHECK INCABIN
Information not available
Qatar Airways QR 4780 | Operated By IndiGo
02:00
Mon, 19 Jan 26
Doha, Qatar
04 h
08:30
Mon, 19 Jan 26
Terminal T3
New Delhi, India
BAGGAGE : CHECK INCABIN
Information not available
Air India AI 211
17:55
Mon, 19 Jan 26
Terminal T3
New Delhi, India
01 h 55 m
20:05
Mon, 19 Jan 26
Terminal I
Kathmandu, Nepal
BAGGAGE : CHECK INCABIN
Information not available
Economy classic, Eco value
Fare offered by airlines.
₹ 16,630
₹ 41,344
₹ 41,849
Re Check-in of Baggage required | Use code GODEALS and get Rs 1500 discount OR Get up to 15% OFF on ICICI Bank credit cards using GOICICI
Barcelona to Kathmandu , 18 Jan
Qatar Airways QR 138
08:35
Sun, 18 Jan 26
Terminal T1
Barcelona, Spain
06 h
16:35
Sun, 18 Jan 26
Doha, Qatar
BAGGAGE : CHECK INCABIN
Information not available
Qatar Airways QR 4780 | Operated By IndiGo
02:00
Mon, 19 Jan 26
Doha, Qatar
04 h
08:30
Mon, 19 Jan 26
Terminal T3
New Delhi, India
BAGGAGE : CHECK INCABIN
Information not available
IndiGo 6E 1155
14:05
Mon, 19 Jan 26
Terminal T3
New Delhi, India
01 h 50 m
16:10
Mon, 19 Jan 26
Kathmandu, Nepal
BAGGAGE : CHECK INCABIN
Information not available
Saver, Economy classic
Fare offered by airlines.
₹ 16,630
₹ 41,849
₹ 42,039
Re Check-in of Baggage required | Use code GODEALS and get Rs 1500 discount OR Get up to 15% OFF on ICICI Bank credit cards using GOICICI
Barcelona to Kathmandu , 18 Jan
Qatar Airways QR 146
15:20
Sun, 18 Jan 26
Terminal T1
Barcelona, Spain
06 h
23:20
Sun, 18 Jan 26
Doha, Qatar
BAGGAGE : CHECK INCABIN
Information not available
Qatar Airways QR 4780 | Operated By IndiGo
02:00
Mon, 19 Jan 26
Doha, Qatar
04 h
08:30
Mon, 19 Jan 26
Terminal T3
New Delhi, India
BAGGAGE : CHECK INCABIN
Information not available
Air India AI 211
17:55
Mon, 19 Jan 26
Terminal T3
New Delhi, India
01 h 55 m
20:05
Mon, 19 Jan 26
Terminal I
Kathmandu, Nepal
BAGGAGE : CHECK INCABIN
Information not available
Economy classic, Eco value
Fare offered by airlines.
₹ 16,630
₹ 42,039
₹ 47,738
Get Flat Rs 1350 OFF using code GODEALS | Get Flat 8% OFF using ICICI Credit cards using GOICICIFESTINT
Barcelona to Kathmandu , 18 Jan
Srilankan Airlines UL 3548 | Operated By Qatar Airways
08:35
Sun, 18 Jan 26
Terminal T1
Barcelona, Spain
06 h
16:35
Sun, 18 Jan 26
Doha, Qatar
BAGGAGE : CHECK INCABIN
Information not available
Srilankan Airlines UL 218
22:40
Sun, 18 Jan 26
Doha, Qatar
04 h 40 m
05:50
Mon, 19 Jan 26
Colombo, Sri Lanka
BAGGAGE : CHECK INCABIN
Information not available
Srilankan Airlines UL 181
08:05
Mon, 19 Jan 26
Colombo, Sri Lanka
03 h 30 m
11:50
Mon, 19 Jan 26
Terminal I
Kathmandu, Nepal
BAGGAGE : CHECK INCABIN
Information not available
Fare Option 1
Fare offered by airline.
₹ 15,135
₹ 14,615
₹ 47,738
₹ 56,258
Get Flat Rs 1350 OFF using code GODEALS | Get Flat 8% OFF using ICICI Credit cards using GOICICIFESTINT
Barcelona to Kathmandu , 18 Jan
Emirates EK 186
15:30
Sun, 18 Jan 26
Terminal T1
Barcelona, Spain
06 h 30 m
01:00
Mon, 19 Jan 26
Terminal T3
Dubai, United Arab Emirates
BAGGAGE : CHECK INCABIN
Information not available
Emirates EK 2124 | Operated By Flydubai
05:05
Mon, 19 Jan 26
Terminal T2
Dubai, United Arab Emirates
03 h 20 m
09:55
Mon, 19 Jan 26
Terminal T3
New Delhi, India
BAGGAGE : CHECK INCABIN
Information not available
Nepal Airlines RA 218
16:50
Mon, 19 Jan 26
Terminal T3
New Delhi, India
01 h 30 m
18:35
Mon, 19 Jan 26
Terminal I
Kathmandu, Nepal
BAGGAGE : CHECK INCABIN
Information not available
Economy Saver
Fare offered by airlines.
₹ 31,310
₹ 20,875
₹ 56,258
Economy Flex
Fare offered by airlines.
₹ 23,485
₹ 15,655
₹ 73,764
Economy Flex Plus
Fare offered by airlines.
₹ 2,13,510
₹ 56,258
Get Flat Rs 1350 OFF using code GODEALS | Get Flat 8% OFF using ICICI Credit cards using GOICICIFESTINT
Barcelona to Kathmandu , 18 Jan
Emirates EK 186
15:30
Sun, 18 Jan 26
Terminal T1
Barcelona, Spain
06 h 30 m
01:00
Mon, 19 Jan 26
Terminal T3
Dubai, United Arab Emirates
BAGGAGE : CHECK INCABIN
Information not available
Emirates EK 510
04:20
Mon, 19 Jan 26
Terminal T3
Dubai, United Arab Emirates
03 h 05 m
08:55
Mon, 19 Jan 26
Terminal T3
New Delhi, India
BAGGAGE : CHECK INCABIN
Information not available
Nepal Airlines RA 218
16:50
Mon, 19 Jan 26
Terminal T3
New Delhi, India
01 h 30 m
18:35
Mon, 19 Jan 26
Terminal I
Kathmandu, Nepal
BAGGAGE : CHECK INCABIN
Information not available
Economy Saver
Fare offered by airlines.
₹ 31,310
₹ 20,875
₹ 56,258
Economy Flex
Fare offered by airlines.
₹ 23,485
₹ 15,655
₹ 73,764
Economy Flex Plus
Fare offered by airlines.
₹ 1,34,417
₹ 56,258
Get Flat Rs 1350 OFF using code GODEALS | Get Flat 8% OFF using ICICI Credit cards using GOICICIFESTINT
Barcelona to Kathmandu , 18 Jan
Emirates EK 256
15:10
Sun, 18 Jan 26
Terminal T1
Barcelona, Spain
06 h 25 m
00:35
Mon, 19 Jan 26
Terminal T3
Dubai, United Arab Emirates
BAGGAGE : CHECK INCABIN
Information not available
Emirates EK 2124 | Operated By Flydubai
05:05
Mon, 19 Jan 26
Terminal T2
Dubai, United Arab Emirates
03 h 20 m
09:55
Mon, 19 Jan 26
Terminal T3
New Delhi, India
BAGGAGE : CHECK INCABIN
Information not available
Nepal Airlines RA 218
16:50
Mon, 19 Jan 26
Terminal T3
New Delhi, India
01 h 30 m
18:35
Mon, 19 Jan 26
Terminal I
Kathmandu, Nepal
BAGGAGE : CHECK INCABIN
Information not available
Economy Saver
Fare offered by airlines.
₹ 31,310
₹ 20,875
₹ 56,258
Economy Flex
Fare offered by airlines.
₹ 23,485
₹ 15,655
₹ 73,764
Economy Flex Plus
Fare offered by airlines.
₹ 2,13,510
₹ 65,885
Get Flat Rs 1350 OFF using code GODEALS | Get Flat 8% OFF using ICICI Credit cards using GOICICIFESTINT
Barcelona to Kathmandu , 18 Jan
Etihad Airways EY 112
10:00
Sun, 18 Jan 26
Terminal T1
Barcelona, Spain
06 h 15 m
19:15
Sun, 18 Jan 26
Terminal A
Abu Dhabi, United Arab Emirates
BAGGAGE : CHECK INCABIN
Information not available
Etihad Airways EY 1384 | Operated By Air Arabia Abu Dhabi
03:10
Mon, 19 Jan 26
Terminal A
Abu Dhabi, United Arab Emirates
04 h 10 m
09:05
Mon, 19 Jan 26
Terminal I
Kathmandu, Nepal
BAGGAGE : CHECK INCABIN
Information not available
Economy Basic
Fare offered by airline.
₹ 65,885
Economy Value
Fare offered by airline.
₹ 42,270
₹ 67,765
Economy Comfort
Fare offered by airline.
₹ 40,705
₹ 33,920
₹ 68,285
Economy Deluxe
Fare offered by airline.
₹ 27,140
₹ 27,140
₹ 74,235
| Barcelona Kathmandu Cheap Flights | Fare | Date |
|---|---|---|
| Lowest Airfare Today | Rs 0 | |
| Cheapest Fare Within 30 Days | Rs 45448 |
07 Dec
|
| Cheapest Fare Within 90 Days | Rs 39518 |
18 Jan
|
| Cheapest Fare Within 365 Days | Rs 39518 |
18 Jan
|
Get cheap flights from Barcelona to Kathmandu with Goibibo India
Q: Why choose Goibibo for your flight booking from Barcelona to Kathmandu?
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 Barcelona to Kathmandu?
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 Barcelona to Kathmandu 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 Barcelona to Kathmandu? • 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 Barcelona to Kathmandu.
Q: What should you keep in mind while booking a flight from Barcelona to Kathmandu?
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 Barcelona to Kathmandu flight. Plus, there are no hidden charges when you book a Barcelona to Kathmandu flight on Goibibo.
Q: Is there any discount on a flight booking from Barcelona to Kathmandu?
A: Goibibo always has discount offers running on flights. You can find many coupons on the website and app for your Barcelona to Kathmandu booking. While booking, you can choose the best coupon from the list for an instant discount on your tickets.
Barcelona to Kathmandu Flights
Searching for Barcelona to Kathmandu cheap flights? Then, Goibibo is your one-stop destination to book Barcelona to Kathmandu 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 Barcelona to Kathmandu Flight booking. Several budget and premium airlines fly on this route. You can easily check the Barcelona to Kathmandu flight schedule on Goibibo. There are approximately 78 flights flying daily between Barcelona and Kathmandu from early morning to late at night. Out of these Barcelona to Kathmandu flight, 0 are non stop flights 78 are connecting flights. Air France, Air India, All Nippon Airways, British Airways, Emirates, Etihad Airways, ITA Airways, Iberia, IndiGo, KLM Royal Dutch, Kuwait Airways, Lufthansa, Malaysia Airlines, Nepal Airlines, Qatar Airways, Singapore Airlines, Srilankan Airlines, Swiss, Thai Airways, Turkish Airlines are some major airlines that fly between Barcelona and Kathmandu.
The lowest airfare of Barcelona to Kathmandu flight is ₹40762 and the average airfare is 96956 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 Barcelona to Kathmandu cheap flights if you are flexible with your dates and timings.
You will board your Barcelona to Kathmandu flight from the Barcelona Airport and deboard it at Tribhuvan International Airport.
You cannot only book Barcelona to Kathmandu cheap flight tickets through Goibibo but can also do web check-in and track your flight status.
How to book a Barcelona to Kathmandu flight ticket on Goibibo?
Booking flight tickets on Goibibo is very simple. For a Barcelona to Kathmandu flight, check below:
How can I check the flight schedule for a Barcelona to Kathmandu flight?
To check the Barcelona to Kathmandu flight schedule,
How much baggage can I carry on my Barcelona to Kathmandu flight?
Baggage allowance depends on the class of travel and airline. In the Barcelona to Kathmandu 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 Barcelona and deboard at Kathmandu?
When you have booked a Barcelona to Kathmandu flight, you will board the flight at and de-board at .
How can I do web check-in for my upcoming Barcelona at Kathmandu 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 Kathmandu
Best Time to Visit
The months from September to November are considered best to visit Kathmandu. The weather remains pleasant and ideal for sightseeing and outdoor activities. You can also witness festivals like Dashain and Tihar during this time which are celebrated with great spirit.
Places to Visit
Being a major tourist destination in Nepal, Kathmandu boasts of many tourist spots. Pashupatinath Temple, Boudhanath Stupa, Swayambhunath Temple, Kopan Monastery and the Changu Narayan are some of the prominent religious sites. Natural Art History Museum, Taragaon Museum, National Art Gallery, Nepali Art Council Gallery and Kaiser Library are good to visit if you are art and history lover. For adventure enthusiasts, there are many hiking and trekking trails around Kathmandu Valley. Durbar Square, Garden of Dreams, Hanuman Dhoka and Langtang National Park are other notable attractions. Kathmandu is a shopper’s paradise that offers a wide range of merchandise. Cashmere shawls, thangkas, singing bowls, beads, jewellery, Nepali tea and handicrafts, rice paper products and trekking gear are perfect takeaways from Kathmandu. Thamel, New Road, Durbar Marg, Indra Chowk and Asan Bazaar are some of the popular shopping hotspots. From Goibibo you can book any hotel in Kathmandu.
Hotels and Restaurants
As this city is rich in culture, Kathmandu offers a wide variety of dining options ranging from fine-dine restaurants to local eateries. Momo is a popular food in Kathmandu that is easily available in almost all local food joints. Juju Dhau, Sel Roti and Khajuri are some other local food items that you must try. Ghar-e-Kabab, Thamel House Restaurant, New Everest Momo Center, Corner Cafe, Momo Star and Rama’s Kitchen are some recommended places.
Kathmandu offers all kind of accommodation options for stay. Right from Budget Hotels in Kathmandu to 5 star Hotels in Kathmandu, from Resorts in Kathmandu to service apartments in Kathmandu, one can find multiple options as per their need and pocket. Goibibo being the leading travel website has largest collection of hotels on its platform. Popular locations in Kathmandu for stay are near Kathmandu Airport, Pashupatinath Temple, Thamel, Darbar Marg and Boudhnath. It is very easy and convenient to compare and book hotels online on Goibibo.
Transportation
Being the capital city, Kathmandu is well connected to other parts of the world by air. Kathmandu can be reached by air, road and rail from India. Kathmandu’s Tribhuvan International Airport (KTM), which is around 6 km from the city centre is the only international airport in the country & serves many international flights. Popular airlines like Air India, Indigo, Nepal Airlines, Etihad Airways, Qatar Airways, Turkish Airlines, Malaysian Airlines and a few others connect Kathmandu to major cities of countries like India, Thailand, UAE, Turkey, Malaysia and Singapore. 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. If you want to travel to Kathmandu from India by train, then Gorakhpur in UP is the nearest railway station. You can commute to Kathmandu via road from Gorakhpur. Travelling to Kathmandu from India via road is an easy and cost-friendly option. There are several buses to and from Kathmandu that traverse cities like Varanasi, Darjeeling, Lucknow, Patna and Gorakhpur. Cabs, auto-rickshaws and minibuses are best options to travel within the city.
Airport Address
Tel: +97714477161
About Barcelona
Places to visit and things to do
- Eixample is one of the most important areas in Barcelona. The Plaça de Catalunya in this neighbourhood is the busiest square in the city. Eixample is also popular for the most expensive shopping streets in Barcelona, Passeig de Gràcia and Portal de l'Àngel located near the Plaça de Catalunya. There are plenty of 5-star hotels around Eixample that offer the finest luxury to travellers. These hotels are also close to the iconic church Sagrada Familia, one of the most distinctive masterpieces by architect Antoni Gaudí. Some of the best resorts in Barcelona are near Eixample that offer a relaxing stay and rejuvenating spa massage therapies.
- Las Ramblas is a lively shopping street in Barcelona that stretches over 1.2 km. The 3-star hotels around Las Ramblas are close to the numerous cafes and restaurants and the popular Boquria Market. These budget hotels are also in close proximity to the Centre d’Art Santa Monica, a contemporary art gallery.
- La Fonda and Les Quinze Nits are some of the best affordable dine-outs that serve the most popular food in Barcelona, such as paella and tapas. For great Indian food, Tandoori Nights and Shalimar restaurant are two of the best cheap Indian/veg-friendly restaurants in Barcelona that serve tarka dal, saag paneer, vegetable vindaloo, and gulab jamun among others.
- Budget hotels near the Barcelona Airport offer travellers with the best facilities such as free Wi-Fi services and shuttle services.
Airport Address
Tel: (1902) 404 704 | Fax:(934) 793 912
Frequently Asked Questions - Barcelona to Kathmandu Flights
Q: Which is the last flight on Barcelona to Kathmandu route?
A: The last flight from Barcelona to Kathmandu route is Iberia, Qatar Airways at 22:15.
Q: When does the first flight leave from Barcelona to Kathmandu?
A: The first flight from Barcelona to Kathmandu is Air France, Air India at 06:00.
Q: Which is the cheapest flight from Barcelona to Kathmandu in next 7 and next 30 days?
A: Cheapest flight in next 7 days on Barcelona to Kathmandu route is at ₹45448. And in next 30 days lowest price on Barcelona to Kathmandu route is ₹45448.
Q: What are the name and codes for Barcelona and Kathmandu airports?
A: The name of Barcelona airport is Barcelona Airport and its code is BCN and name of Kathmandu Airport is Tribhuvan International Airport, its code is KTM.
Q: How many flights fly from Barcelona to Kathmandu on the daily basis?
A: Around 78 flights are flying daily from Barcelona to Kathmandu. Out of which 0 are direct and 78 are connecting flights on this route. Some major airlines between this route are Air France, Air India, All Nippon Airways, British Airways, Emirates, Etihad Airways, ITA Airways, Iberia, IndiGo, KLM Royal Dutch, Kuwait Airways, Lufthansa, Malaysia Airlines, Nepal Airlines, Qatar Airways, Singapore Airlines, Srilankan Airlines, Swiss, Thai Airways, Turkish Airlines.
Q: What is today’s cheapest fare from Barcelona to Kathmandu?
A: Today lowest airfare on Barcelona to Kathmandu flight route is 0.
Q: Which airline has maximum number for flights between Barcelona to Kathmandu?
A: Out of 78 daily flights between Barcelona to Kathmandu Qatar Airways has maximum 52 flights. After that British Airways has 10, Emirates has 10, Iberia has 10, Air India has 9, Nepal Airlines has 4, Turkish Airlines has 4, IndiGo has 2, Srilankan Airlines has 2, Air France has 1, All Nippon Airways has 1, Etihad Airways has 1, ITA Airways has 1, KLM Royal Dutch has 1, Kuwait Airways has 1, Lufthansa has 1, Malaysia Airlines has 1, Singapore Airlines has 1, Swiss has 1, Thai Airways has 1 flights between Barcelona to Kathmandu.
Q: Which are the most preferred airlines from Barcelona to Kathmandu ?
A: Air France, Air India, All Nippon Airways, British Airways, Emirates, Etihad Airways, ITA Airways, Iberia, IndiGo, KLM Royal Dutch, Kuwait Airways, Lufthansa, Malaysia Airlines, Nepal Airlines, Qatar Airways, Singapore Airlines, Srilankan Airlines, Swiss, Thai Airways, Turkish Airlines are the most preferred airlines on Barcelona to Kathmandu flight route.