- 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 Zurich
Departure From Zurich
₹ 98,720
₹ 78,411
₹ 1,23,517
Arrival at Nanking/Nanjing
₹ 98,720
₹ 78,411
Alliances & Airlines
Oneworld
(26)
SkyTeam
(9)
Star Alliance
(31)
+ 10 more
Layover Airports
+ 8 more
Layover Duration
Further Flights From Zurich (ZRH)
Top International Routes
Top International Cities
Up to ₹5000 OFF* on International Flights!
14th Jan'26
Hotels in Nanjing
Premium Hotels Nearby Nanjing
Zurich to Nanjing Flights, Fares @ ₹78411 + Flat Rs 1500 OFF
₹ 78,411
Get Flat Rs 1460 OFF using code GODEALS | Get Flat 10% OFF using KOTAK Credit cards using GOKOTAKINTEMI
Zurich to Nanking/Nanjing , 14 Jan
Qatar Airways QR 96
15:40
Wed, 14 Jan 26
Zurich, Switzerland
05 h 45 m
23:25
Wed, 14 Jan 26
Doha, Qatar
BAGGAGE : CHECK INCABIN
Information not available
Qatar Airways QR 6394 | Operated By China Southern
01:15
Thu, 15 Jan 26
Doha, Qatar
07 h 15 m
13:30
Thu, 15 Jan 26
Terminal T2
Guangzhou, China
BAGGAGE : CHECK INCABIN
Information not available
Shenzhen Airlines ZH 9873
17:15
Thu, 15 Jan 26
Terminal T1
Guangzhou, China
02 h 05 m
19:20
Thu, 15 Jan 26
Terminal T2
Nanking/Nanjing, China
BAGGAGE : CHECK INCABIN
Information not available
Economy classic
Fare offered by airlines.
₹ 60,700
₹ 31,025
₹ 78,411
Economy convenience
Fare offered by airlines.
₹ 31,025
₹ 16,190
₹ 92,975
Economy comfort
Fare offered by airlines.
₹ 16,190
₹ 8,995
₹ 1,41,931
₹ 84,910
Get Flat Rs 1460 OFF using code GODEALS | Get Flat 10% OFF using KOTAK Credit cards using GOKOTAKINTEMI
Zurich to Nanking/Nanjing , 14 Jan
Qatar Airways QR 96
15:40
Wed, 14 Jan 26
Zurich, Switzerland
05 h 45 m
23:25
Wed, 14 Jan 26
Doha, Qatar
BAGGAGE : CHECK INCABIN
Information not available
Qatar Airways QR 818
02:05
Thu, 15 Jan 26
Doha, Qatar
07 h 45 m
14:50
Thu, 15 Jan 26
Terminal T1
Hong Kong, Hong Kong
BAGGAGE : CHECK INCABIN
Information not available
Cathay Pacific CX 304
19:20
Thu, 15 Jan 26
Terminal T1
Hong Kong, Hong Kong
02 h 30 m
21:50
Thu, 15 Jan 26
Terminal T2
Nanking/Nanjing, China
BAGGAGE : CHECK INCABIN
Information not available
Economy classic
Fare offered by airlines.
₹ 60,700
₹ 31,025
₹ 84,910
Economy convenience
Fare offered by airlines.
₹ 31,025
₹ 16,190
₹ 1,00,843
Economy comfort
Fare offered by airlines.
₹ 16,190
₹ 8,995
₹ 1,50,090
₹ 98,720
Get Flat Rs 1460 OFF using code GODEALS | Get Flat 10% OFF using KOTAK Credit cards using GOKOTAKINTEMI
Zurich to Nanking/Nanjing , 14 Jan
Cathay Pacific CX 382
11:55
Wed, 14 Jan 26
Zurich, Switzerland
11 h 20 m
06:15
Thu, 15 Jan 26
Terminal T1
Hong Kong, Hong Kong
BAGGAGE : CHECK INCABIN
Information not available
Cathay Pacific CX 356
10:25
Thu, 15 Jan 26
Terminal T1
Hong Kong, Hong Kong
02 h 35 m
13:00
Thu, 15 Jan 26
Terminal T2
Nanking/Nanjing, China
BAGGAGE : CHECK INCABIN
Information not available
Economy light
Fare offered by airline.
₹ 28,170
₹ 16,905
₹ 98,720
Economy essential
Fare offered by airline.
₹ 16,905
₹ 11,270
₹ 1,12,486
Economy flex
Fare offered by airline.
₹ 11,270
₹ 1,17,238
Premium economy essential
Fare offered by airline.
₹ 22,535
₹ 16,905
₹ 1,50,174
₹ 1,10,375
Get Flat Rs 1460 OFF using code GODEALS | Get Flat 10% OFF using KOTAK Credit cards using GOKOTAKINTEMI
Zurich to Nanking/Nanjing , 14 Jan
Iberia IB 634
07:30
Wed, 14 Jan 26
Zurich, Switzerland
02 h 25 m
09:55
Wed, 14 Jan 26
Terminal T4
Madrid, Spain
BAGGAGE : CHECK INCABIN
Information not available
Cathay Pacific CX 372
11:25
Wed, 14 Jan 26
Terminal T4S
Madrid, Spain
12 h 25 m
06:50
Thu, 15 Jan 26
Terminal T1
Hong Kong, Hong Kong
BAGGAGE : CHECK INCABIN
Information not available
Cathay Pacific CX 356
10:25
Thu, 15 Jan 26
Terminal T1
Hong Kong, Hong Kong
02 h 35 m
13:00
Thu, 15 Jan 26
Terminal T2
Nanking/Nanjing, China
BAGGAGE : CHECK INCABIN
Information not available
Economy Light
Fare offered by airlines.
₹ 28,170
₹ 16,905
₹ 1,10,375
Economy Essential
Fare offered by airlines.
₹ 16,905
₹ 11,270
₹ 1,24,136
Economy Flex
Fare offered by airlines.
₹ 11,270
₹ 1,27,936
₹ 1,13,052
Get Flat Rs 1460 OFF using code GODEALS | Get Flat 10% OFF using KOTAK Credit cards using GOKOTAKINTEMI
Zurich to Nanking/Nanjing , 14 Jan
Swiss LX 1612
08:45
Wed, 14 Jan 26
Zurich, Switzerland
55 m
09:40
Wed, 14 Jan 26
Terminal T1
Milan, Italy
BAGGAGE : CHECK INCABIN
Information not available
Cathay Pacific CX 234
11:55
Wed, 14 Jan 26
Terminal T1
Milan, Italy
11 h 35 m
06:30
Thu, 15 Jan 26
Terminal T1
Hong Kong, Hong Kong
BAGGAGE : CHECK INCABIN
Information not available
Cathay Pacific CX 356
10:25
Thu, 15 Jan 26
Terminal T1
Hong Kong, Hong Kong
02 h 35 m
13:00
Thu, 15 Jan 26
Terminal T2
Nanking/Nanjing, China
BAGGAGE : CHECK INCABIN
Information not available
Economy Light
Fare offered by airlines.
₹ 28,170
₹ 16,905
₹ 1,13,052
Economy Essential
Fare offered by airlines.
₹ 16,905
₹ 11,270
₹ 1,26,813
Economy Flex
Fare offered by airlines.
₹ 11,270
₹ 1,30,394
₹ 1,13,161
Get Flat Rs 1460 OFF using code GODEALS | Get Flat 10% OFF using KOTAK Credit cards using GOKOTAKINTEMI
Zurich to Nanking/Nanjing , 14 Jan
Swiss LX 632
07:25
Wed, 14 Jan 26
Zurich, Switzerland
01 h 35 m
09:00
Wed, 14 Jan 26
Terminal T1
Paris, France
BAGGAGE : CHECK INCABIN
Information not available
Cathay Pacific CX 260
11:40
Wed, 14 Jan 26
Terminal T2A
Paris, France
12 h 05 m
06:45
Thu, 15 Jan 26
Terminal T1
Hong Kong, Hong Kong
BAGGAGE : CHECK INCABIN
Information not available
Cathay Pacific CX 356
10:25
Thu, 15 Jan 26
Terminal T1
Hong Kong, Hong Kong
02 h 35 m
13:00
Thu, 15 Jan 26
Terminal T2
Nanking/Nanjing, China
BAGGAGE : CHECK INCABIN
Information not available
Economy Light
Fare offered by airlines.
₹ 28,170
₹ 16,905
₹ 1,13,161
Economy Essential
Fare offered by airlines.
₹ 16,905
₹ 11,270
₹ 1,26,922
Economy Flex
Fare offered by airlines.
₹ 11,270
₹ 1,30,494
₹ 1,13,216
Get Flat Rs 1460 OFF using code GODEALS | Get Flat 10% OFF using KOTAK Credit cards using GOKOTAKINTEMI
Zurich to Nanking/Nanjing , 14 Jan
Swiss LX 724
07:15
Wed, 14 Jan 26
Zurich, Switzerland
01 h 45 m
09:00
Wed, 14 Jan 26
Amsterdam, Netherlands
BAGGAGE : CHECK INCABIN
Information not available
Cathay Pacific CX 270
12:30
Wed, 14 Jan 26
Amsterdam, Netherlands
12 h
07:30
Thu, 15 Jan 26
Terminal T1
Hong Kong, Hong Kong
BAGGAGE : CHECK INCABIN
Information not available
Cathay Pacific CX 356
10:25
Thu, 15 Jan 26
Terminal T1
Hong Kong, Hong Kong
02 h 35 m
13:00
Thu, 15 Jan 26
Terminal T2
Nanking/Nanjing, China
BAGGAGE : CHECK INCABIN
Information not available
Economy Light
Fare offered by airlines.
₹ 28,170
₹ 16,905
₹ 1,13,216
Economy Essential
Fare offered by airlines.
₹ 16,905
₹ 11,270
₹ 1,26,977
Economy Flex
Fare offered by airlines.
₹ 11,270
₹ 1,30,544
₹ 1,14,261
Get Flat Rs 1460 OFF using code GODEALS | Get Flat 10% OFF using KOTAK Credit cards using GOKOTAKINTEMI
Zurich to Nanking/Nanjing , 14 Jan
Swiss LX 326
17:00
Wed, 14 Jan 26
Zurich, Switzerland
01 h 50 m
17:50
Wed, 14 Jan 26
Terminal T2
London - Heathrow Apt, United Kingdom
BAGGAGE : CHECK INCABIN
Information not available
Cathay Pacific CX 256
20:15
Wed, 14 Jan 26
Terminal T3
London - Heathrow Apt, United Kingdom
12 h 40 m
16:55
Thu, 15 Jan 26
Terminal T1
Hong Kong, Hong Kong
BAGGAGE : CHECK INCABIN
Information not available
Cathay Pacific CX 304
19:20
Thu, 15 Jan 26
Terminal T1
Hong Kong, Hong Kong
02 h 30 m
21:50
Thu, 15 Jan 26
Terminal T2
Nanking/Nanjing, China
BAGGAGE : CHECK INCABIN
Information not available
Economy Light
Fare offered by airlines.
₹ 28,170
₹ 16,905
₹ 1,14,261
Economy Essential
Fare offered by airlines.
₹ 16,905
₹ 11,270
₹ 1,28,021
Economy Flex
Fare offered by airlines.
₹ 11,270
₹ 1,31,503
₹ 1,23,517
Get Flat Rs 1460 OFF using code GODEALS | Get Flat 10% OFF using KOTAK Credit cards using GOKOTAKINTEMI
Zurich to Nanking/Nanjing , 14 Jan
Cathay Pacific CX 6630 | Operated By Swiss
22:40
Wed, 14 Jan 26
Zurich, Switzerland
12 h 05 m
17:45
Thu, 15 Jan 26
Terminal T1
Hong Kong, Hong Kong
BAGGAGE : CHECK INCABIN
Information not available
Cathay Pacific CX 304
19:20
Thu, 15 Jan 26
Terminal T1
Hong Kong, Hong Kong
02 h 30 m
21:50
Thu, 15 Jan 26
Terminal T2
Nanking/Nanjing, China
BAGGAGE : CHECK INCABIN
Information not available
Economy light
Fare offered by airline.
₹ 28,170
₹ 16,905
₹ 1,23,517
Economy essential
Fare offered by airline.
₹ 16,905
₹ 11,270
₹ 1,37,283
Economy flex
Fare offered by airline.
₹ 11,270
₹ 1,39,999
Premium economy flex
Fare offered by airline.
₹ 11,270
₹ 3,05,124
₹ 1,38,187
Get Flat Rs 1460 OFF using code GODEALS | Get Flat 10% OFF using KOTAK Credit cards using GOKOTAKINTEMI
Zurich to Nanking/Nanjing , 14 Jan
Swiss LX 1076
18:50
Wed, 14 Jan 26
Zurich, Switzerland
01 h 05 m
19:55
Wed, 14 Jan 26
Terminal T1
Frankfurt, Germany
BAGGAGE : CHECK INCABIN
Information not available
Cathay Pacific CX 6798 | Operated By Lufthansa
21:50
Wed, 14 Jan 26
Terminal T1
Frankfurt, Germany
11 h 35 m
16:25
Thu, 15 Jan 26
Terminal T1
Hong Kong, Hong Kong
BAGGAGE : CHECK INCABIN
Information not available
Cathay Pacific CX 304
19:20
Thu, 15 Jan 26
Terminal T1
Hong Kong, Hong Kong
02 h 30 m
21:50
Thu, 15 Jan 26
Terminal T2
Nanking/Nanjing, China
BAGGAGE : CHECK INCABIN
Information not available
Economy Light
Fare offered by airlines.
₹ 28,170
₹ 16,905
₹ 1,38,187
Economy Essential
Fare offered by airlines.
₹ 16,905
₹ 11,270
₹ 1,51,947
Economy Flex
Fare offered by airlines.
₹ 11,270
₹ 1,53,463
| Zurich Nanjing Cheap Flights | Fare | Date |
|---|---|---|
| Lowest Airfare Today | Rs 0 |
15 Jan
|
| Cheapest Fare Within 30 Days | Rs null |
15 Jan
|
| Cheapest Fare Within 90 Days | Rs null |
15 Jan
|
| Cheapest Fare Within 365 Days | Rs null |
15 Jan
|
Get cheap flights from Zurich to Nanjing with Goibibo India
Q: Why choose Goibibo for your flight booking from Zurich to Nanjing?
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 Zurich to Nanjing?
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 Zurich to Nanjing 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 Zurich to Nanjing? • 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 Zurich to Nanjing.
Q: What should you keep in mind while booking a flight from Zurich to Nanjing?
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 Zurich to Nanjing flight. Plus, there are no hidden charges when you book a Zurich to Nanjing flight on Goibibo.
Q: Is there any discount on a flight booking from Zurich to Nanjing?
A: Goibibo always has discount offers running on flights. You can find many coupons on the website and app for your Zurich to Nanjing booking. While booking, you can choose the best coupon from the list for an instant discount on your tickets.
Zurich to Nanjing Flights
Searching for Zurich to Nanjing cheap flights? Then, Goibibo is your one-stop destination to book Zurich to Nanjing 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 Zurich to Nanjing Flight booking. Several budget and premium airlines fly on this route. You can easily check the Zurich to Nanjing flight schedule on Goibibo. There are approximately 43 flights flying daily between Zurich and Nanjing from early morning to late at night. Out of these Zurich to Nanjing flight, 0 are non stop flights 43 are connecting flights. Air China, Air France, Cathay Pacific, China Eastern, China Southern, Emirates, Hainan Airlines, Hong Kong Airlines, Iberia, KLM Royal Dutch, Lufthansa, Qatar Airways, Shenzhen Airlines, Sichuan Airlines, Singapore Airlines, Swiss are some major airlines that fly between Zurich and Nanjing.
The lowest airfare of Zurich to Nanjing flight is ₹78411 and the average airfare is 153799 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 Zurich to Nanjing cheap flights if you are flexible with your dates and timings.
You will board your Zurich to Nanjing flight from the Zurich Airport and deboard it at Lukou.
You cannot only book Zurich to Nanjing cheap flight tickets through Goibibo but can also do web check-in and track your flight status.
How to book a Zurich to Nanjing flight ticket on Goibibo?
Booking flight tickets on Goibibo is very simple. For a Zurich to Nanjing flight, check below:
How can I check the flight schedule for a Zurich to Nanjing flight?
To check the Zurich to Nanjing flight schedule,
How much baggage can I carry on my Zurich to Nanjing flight?
Baggage allowance depends on the class of travel and airline. In the Zurich to Nanjing 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 Zurich and deboard at Nanjing?
When you have booked a Zurich to Nanjing flight, you will board the flight at and de-board at .
How can I do web check-in for my upcoming Zurich at Nanjing 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 Nanjing
About Zurich
Best Time to Visit
Zurich is a destination visited throughout the year. However, summertime from May to August is the best time to visit. This time several festivals and events are hosted, people undertake swimming and prefer outdoors. Winters from December to February also witness crowd that come to Zurich to visit Swiss Alps for skiing. Offseason includes May to May (rainy season) and September to November (chill winter). Street Parade (August), Zurich Pride Festival (June) and Christkindlimarkt (Nov-Dec) are popular festivals you can check out before planning your trip. Hotels in Zurich are famous for their hospitality.
Places to Visit
The magnificent landscape of Altstadt (old town) is picture-worthy. Grossmünster, Fraumünster Church and St. Peter’s Church are popular churches in the city where you can admire painted glass windows, each depicting a story and mesmerising views of the city. Zurich boasts of praise-worthy museums and architectures. Museum of Art, Swiss National Museum, Beyer Zurich Clock & Watch Museum and Rietberg Museum are some of the most famous museums in this city. You can walk along the promenade or participate in activities at Lake Zurich. Lindenhof is another popular area to relax near Bahnhofstrasse. Cabaret Voltaire, a pioneering nightclub and a prominent place associated with the influence of Dadaism, calls for a must-visit. Bahnhofstrasse and Storchengasse are known to people as expensive streets that house exclusive designer boutiques, stores and banks. Rosenhof Market is another shopping area that sells everything from bohemian clothing to handicrafts. You can visit H. Schwarzenbach AG to buy its finest tea or Schwarzenbach Kolonialwaren to buy quality tea, coffee and dried fruits. If you seek adventure then, you can go hiking on Uetliberg Mountain.
Hotels and Restaurants
You can start your day with tasty breakfasts at many cafes and restaurants. Coffee and cinnamon rolls are must-haves for breakfast. Cheese fondue, Rösti, Raclette, Zurcher Geschnetzeltes, Bircherműesli (popular in breakfast) and Zuger Kirschtorte (a famous dessert) are some of the dishes you must taste when you are in Zurich. Chocolate fans should check out iconic Champagne Truffles at Teuscher. Niederdorf is a well-known quarter in the Old Town. It has plenty of cafes, bars and restaurants. Kronenhalle, Odeon Coffee Bar, Café Sprüngli, Didi’s Frieden, Ecco, Blindekuh Zurich, Alpenrose and AuGust are some best-known dining places in the city.
Zurich offers all kind of accommodation options for stay. Right from Budget Hotels in Zurich to 5 star Hotels in Zurich, from Vacation Rental in Zurich to Homestay in Zurich, 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 Zurich for stay are near Zurich Airport, Rathaus, District 3, District 8 and Oerlikon. It is very easy and convenient to compare and book hotels online on Goibibo.
Transportation
Zurich Airport (ZRH) is the main airport in the city. The national airline SWISS International Airlines operates most of the flights from the city among Air Berlin and EasyJet that fly mostly to parts of Europe. Mumbai and Delhi are connected to Zurich by direct flights operated by SWISS Airlines while several connecting flights from many Indian cities are operated. You can book cheap Delhi to Zurich flights from Goibibo. You can reach the railway station from the airport by train services. 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 the cheapest air tickets, it is recommended to book flights online.
The road and railway system in Zurich is well-maintained. Hauptbahnhof is the main station in the city and is serviced by many trains running throughout the country as well as cities such as Berlin, Paris, Budapest and Vienna. You can issue a Swiss Pass if you are planning for a long trip and a Zürich Card for free travel with public transportation system within the city.
For getting around the city, you can take buses, trams, rental cars and bikes, Uber, Limousine services and shuttle services. The buses and tram services are efficiently managed, so you will not have any hassles boarding one. Late-night trains on Fridays and Saturdays and S-Bahn trains are very much useful if you are on a late night out.
Airport Address
Tel: (043) 816 2211 | Fax: (043) 816 5010
Frequently Asked Questions - Zurich to Nanjing Flights
Q: When does the first flight leave from Zurich to Nanjing?
A: The first flight from Zurich to Nanjing is Swiss, Cathay Pacific at 07:15.
Q: Which is the cheapest flight from Zurich to Nanjing in next 7 and next 30 days?
A: Cheapest flight in next 7 days on Zurich to Nanjing route is at . And in next 30 days lowest price on Zurich to Nanjing route is .
Q: How many flights fly from Zurich to Nanjing on the daily basis?
A: Around 43 flights are flying daily from Zurich to Nanjing. Out of which 0 are direct and 43 are connecting flights on this route. Some major airlines between this route are Air China, Air France, Cathay Pacific, China Eastern, China Southern, Emirates, Hainan Airlines, Hong Kong Airlines, Iberia, KLM Royal Dutch, Lufthansa, Qatar Airways, Shenzhen Airlines, Sichuan Airlines, Singapore Airlines, Swiss.
Q: What are the name and codes for Zurich and Nanjing airports?
A: The name of Zurich airport is Zurich Airport and its code is ZRH and name of Nanjing Airport is Lukou, its code is NKG.
Q: What is today’s cheapest fare from Zurich to Nanjing?
A: Today lowest airfare on Zurich to Nanjing flight route is 0.
Q: Which airline has maximum number for flights between Zurich to Nanjing?
A: Out of 43 daily flights between Zurich to Nanjing Cathay Pacific has maximum 18 flights. After that Shenzhen Airlines has 9, Swiss has 9, China Southern has 7, Qatar Airways has 7, Air China has 5, KLM Royal Dutch has 5, Singapore Airlines has 5, Emirates has 3, Lufthansa has 3, Sichuan Airlines has 3, Air France has 2, China Eastern has 2, Hong Kong Airlines has 2, Hainan Airlines has 1, Iberia has 1 flights between Zurich to Nanjing.
Q: Which is the last flight on Zurich to Nanjing route?
A: The last flight from Zurich to Nanjing route is Swiss, Hong Kong Airlines at 22:40.
Q: Which are the most preferred airlines from Zurich to Nanjing ?
A: Air China, Air France, Cathay Pacific, China Eastern, China Southern, Emirates, Hainan Airlines, Hong Kong Airlines, Iberia, KLM Royal Dutch, Lufthansa, Qatar Airways, Shenzhen Airlines, Sichuan Airlines, Singapore Airlines, Swiss are the most preferred airlines on Zurich to Nanjing flight route.