Trip.com
>
Cheap Flights
>
United Arab Emirates
>
Emirate of Dubai
>
Dubai
>
London to Dubai flight
>
London Stansted Airport to Dubai International Airport flight

Explore the cheapest one-way and round-trip flights from London Stansted Airport to Dubai International Airport over the next 90 days, with one-way fares from NZD 251 and round-trip from NZD 666. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Thu, Dec 3 | Emirates
      DXB 17:05
      7h 45m
      Direct
      LGW 20:50
      Dubai - London | Wed, Dec 9 | Emirates
      NZD 1,297 NZD 1,827
      28% off
      28% off
      NZD 1,827 NZD 1,297
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Wed, Nov 25 | Emirates
      DXB 12:10
      8h
      Direct
      LHR 16:10
      Dubai - London | Wed, Dec 2 | Emirates
      NZD 1,297 NZD 1,827
      28% off
      28% off
      NZD 1,827 NZD 1,297
    • STN 10:45
      13h
      1 stop
      DXB 03:45
      London - Dubai | Tue, Nov 24 | Pegasus Airlines
      DXB 06:45
      10h 50m
      1 stop
      STN 13:35
      Dubai - London | Thu, Nov 26 | Royal Jordanian
      NZD 666 NZD 1,827
      64% off
      64% off
      NZD 1,827 NZD 666
    • STN 12:30
      10h 45m
      1 stop
      DXB 03:15
      London - Dubai | Mon, Dec 7 | AJet
      DXB 06:45
      10h 50m
      1 stop
      STN 13:35
      Dubai - London | Mon, Dec 14 | Royal Jordanian
      NZD 672
      63% off
      NZD 1,827 NZD 672
    • STN 15:40
      31h 35m
      1 stop
      DXB 03:15
      London - Dubai | Mon, Nov 23 | AJet
      DXB 22:45
      18h 50m
      1 stop
      STN 13:35
      Dubai - London | Wed, Nov 25 | Royal Jordanian
      NZD 680
      63% off
      NZD 1,827 NZD 680
    • STN 15:25
      33h
      1 stop
      DXB 04:25
      London - Dubai | Wed, Dec 2 | AJet
      DXB 15:30
      29h 30m
      1 stop
      LHR 17:00
      Dubai - London | Tue, Dec 8 | Royal Air Maroc
      NZD 683
      63% off
      NZD 1,827 NZD 683
    • STN 12:30
      10h 15m
      1 stop
      DXB 02:45
      London - Dubai | Thu, Nov 5 | Sunexpress
      DXB 06:45
      10h 50m
      1 stop
      STN 13:35
      Dubai - London | Sat, Nov 7 | Royal Jordanian
      NZD 688
      62% off
      NZD 1,827 NZD 688
    • STN 10:45
      13h 40m
      1 stop
      DXB 04:25
      London - Dubai | Thu, Nov 26 | Pegasus Airlines
      DXB 15:30
      19h
      1 stop
      STN 06:30
      Dubai - London | Tue, Dec 1 | Royal Air Maroc
      NZD 703
      62% off
      NZD 1,827 NZD 703
    • STN 08:00
      13h 45m
      1 stop
      DXB 01:45
      London - Dubai | Sat, Nov 21 | Jet2.com
      DXB 04:25
      11h 5m
      1 stop
      STN 11:30
      Dubai - London | Mon, Nov 23 | AJet
      NZD 704
      61% off
      NZD 1,827 NZD 704
    • LON 13:00
      17h 25m
      1 stop
      DXB 14:00
      London - Dubai | Thu, Nov 5 | Normal Airline
      DXB 15:00
      6h
      Direct
      LON 16:00
      Dubai - London | Sat, Nov 7 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest
      STN 10:45
      13h 40m
      1 stop
      DXB 04:25
      London - Dubai | Thu, Nov 26 | Pegasus Airlines
      NZD 356 NZD 1,589
      78% off
      78% off
      NZD 1,589 NZD 356
    • STN 10:45
      13h
      1 stop
      DXB 03:45
      London - Dubai | Tue, Nov 10 | Pegasus Airlines
      NZD 357 NZD 1,589
      78% off
      78% off
      NZD 1,589 NZD 357
    • STN 15:25
      33h
      1 stop
      DXB 04:25
      London - Dubai | Wed, Dec 2 | AJet
      NZD 361 NZD 1,589
      77% off
      77% off
      NZD 1,589 NZD 361
    • STN 15:40
      31h 35m
      1 stop
      DXB 03:15
      London - Dubai | Mon, Dec 7 | AJet
      NZD 362
      77% off
      NZD 1,589 NZD 362
    • STN 15:25
      33h
      1 stop
      DXB 04:25
      London - Dubai | Wed, Nov 4 | AJet
      NZD 364
      77% off
      NZD 1,589 NZD 364
    • STN 10:45
      13h
      1 stop
      DXB 03:45
      London - Dubai | Tue, Nov 24 | Pegasus Airlines
      NZD 370
      77% off
      NZD 1,589 NZD 370
    • STN 10:45
      13h
      1 stop
      DXB 03:45
      London - Dubai | Tue, Nov 17 | Pegasus Airlines
      NZD 373
      77% off
      NZD 1,589 NZD 373
    • STN 10:55
      11h 20m
      1 stop
      DXB 02:15
      London - Dubai | Tue, Dec 8 | Pegasus Airlines
      NZD 380
      76% off
      NZD 1,589 NZD 380
    • STN 09:30
      12h 45m
      1 stop
      DXB 02:15
      London - Dubai | Mon, Dec 7 | Pegasus Airlines
      NZD 380
      76% off
      NZD 1,589 NZD 380
    • LON 13:00
      17h 25m
      1 stop
      DXB 14:00
      London - Dubai | Thu, Nov 5 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      STN 14:05
      6h 55m
      Direct
      DXB 01:00
      London - Dubai | Thu, Dec 31 | Emirates
      NZD 1,120 NZD 1,610
      30% off
      30% off
      NZD 1,610 NZD 1,120
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Wed, Dec 30 | Emirates
      NZD 1,123 NZD 1,610
      30% off
      30% off
      NZD 1,610 NZD 1,123
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Mon, Jan 18 | Emirates
      NZD 1,135 NZD 1,610
      30% off
      30% off
      NZD 1,610 NZD 1,135
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Wed, Nov 18 | Emirates
      NZD 1,136
      28% off
      NZD 1,610 NZD 1,136
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Thu, Nov 19 | Emirates
      NZD 1,136
      28% off
      NZD 1,610 NZD 1,136
    • STN 14:05
      6h 55m
      Direct
      DXB 01:00
      London - Dubai | Tue, Nov 17 | Emirates
      NZD 1,136
      28% off
      NZD 1,610 NZD 1,136
    • STN 14:05
      6h 55m
      Direct
      DXB 01:00
      London - Dubai | Wed, Nov 11 | Emirates
      NZD 1,136
      28% off
      NZD 1,610 NZD 1,136
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Sun, Nov 15 | Emirates
      NZD 1,136
      28% off
      NZD 1,610 NZD 1,136
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Wed, Nov 25 | Emirates
      NZD 1,136
      28% off
      NZD 1,610 NZD 1,136
    • LON 13:00
      17h 25m
      1 stop
      DXB 14:00
      London - Dubai | Thu, Nov 5 | Normal Airline
      Find more flights
      Find more flights
    • STN 14:05
      6h 55m
      Direct
      DXB 01:00
      London - Dubai | Thu, Dec 31 | Emirates
      NZD 1,120 NZD 1,610
      30% off
      30% off
      NZD 1,610 NZD 1,120
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Wed, Dec 30 | Emirates
      NZD 1,123 NZD 1,610
      30% off
      30% off
      NZD 1,610 NZD 1,123
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Thu, Nov 5 | Emirates
      NZD 1,128 NZD 1,589
      28% off
      28% off
      NZD 1,589 NZD 1,128
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Fri, Nov 13 | Emirates
      NZD 1,128
      28% off
      NZD 1,589 NZD 1,128
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Mon, Jan 18 | Emirates
      NZD 1,135
      30% off
      NZD 1,610 NZD 1,135
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Wed, Nov 18 | Emirates
      NZD 1,136
      28% off
      NZD 1,610 NZD 1,136
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Thu, Nov 19 | Emirates
      NZD 1,136
      28% off
      NZD 1,610 NZD 1,136
    • STN 14:05
      6h 55m
      Direct
      DXB 01:00
      London - Dubai | Wed, Nov 11 | Emirates
      NZD 1,136
      28% off
      NZD 1,610 NZD 1,136
    • STN 14:05
      6h 55m
      Direct
      DXB 01:00
      London - Dubai | Tue, Nov 17 | Emirates
      NZD 1,136
      28% off
      NZD 1,610 NZD 1,136
    • LON 13:00
      17h 25m
      1 stop
      DXB 14:00
      London - Dubai | Thu, Nov 5 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      STN 14:05
      6h 55m
      Direct
      DXB 01:00
      London - Dubai | Mon, Nov 9 | Emirates
      NZD 1,136 NZD 1,665
      32% off
      32% off
      NZD 1,665 NZD 1,136
    • STN 14:05
      6h 55m
      Direct
      DXB 01:00
      London - Dubai | Thu, Nov 5 | Emirates
      NZD 1,136 NZD 1,665
      32% off
      32% off
      NZD 1,665 NZD 1,136
    • STN 14:05
      6h 55m
      Direct
      DXB 01:00
      London - Dubai | Wed, Nov 4 | Emirates
      NZD 1,136 NZD 1,665
      32% off
      32% off
      NZD 1,665 NZD 1,136
    • STN 14:05
      6h 55m
      Direct
      DXB 01:00
      London - Dubai | Sun, Nov 8 | Emirates
      NZD 1,136
      32% off
      NZD 1,665 NZD 1,136
    • STN 14:05
      6h 55m
      Direct
      DXB 01:00
      London - Dubai | Tue, Nov 10 | Emirates
      NZD 1,136
      32% off
      NZD 1,665 NZD 1,136
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Sat, Nov 7 | Emirates
      NZD 1,182
      28% off
      NZD 1,665 NZD 1,182
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Fri, Nov 6 | Emirates
      NZD 1,182
      28% off
      NZD 1,665 NZD 1,182
    • STN 06:15
      10h 5m
      1 stop
      DXB 20:20
      London - Dubai | Tue, Nov 10 | Ryanair
      NZD 251
      85% off
      NZD 1,665 NZD 251
    • STN 12:30
      10h 15m
      1 stop
      DXB 02:45
      London - Dubai | Thu, Nov 5 | Sunexpress
      NZD 435
      74% off
      NZD 1,665 NZD 435
    • LON 13:00
      17h 25m
      1 stop
      DXB 14:00
      London - Dubai | Thu, Nov 5 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      STN 14:05
      6h 55m
      Direct
      DXB 01:00
      London - Dubai | Thu, Dec 31 | Emirates
      NZD 1,120 NZD 1,610
      30% off
      30% off
      NZD 1,610 NZD 1,120
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Wed, Dec 30 | Emirates
      NZD 1,123 NZD 1,610
      30% off
      30% off
      NZD 1,610 NZD 1,123
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Thu, Nov 5 | Emirates
      NZD 1,128 NZD 1,589
      28% off
      28% off
      NZD 1,589 NZD 1,128
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Fri, Nov 13 | Emirates
      NZD 1,128
      28% off
      NZD 1,589 NZD 1,128
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Mon, Jan 18 | Emirates
      NZD 1,135
      30% off
      NZD 1,610 NZD 1,135
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Wed, Nov 18 | Emirates
      NZD 1,136
      28% off
      NZD 1,610 NZD 1,136
    • STN 20:15
      6h 55m
      Direct
      DXB 07:10
      London - Dubai | Thu, Nov 19 | Emirates
      NZD 1,136
      28% off
      NZD 1,610 NZD 1,136
    • STN 14:05
      6h 55m
      Direct
      DXB 01:00
      London - Dubai | Wed, Nov 11 | Emirates
      NZD 1,136
      28% off
      NZD 1,610 NZD 1,136
    • STN 14:05
      6h 55m
      Direct
      DXB 01:00
      London - Dubai | Tue, Nov 17 | Emirates
      NZD 1,136
      28% off
      NZD 1,610 NZD 1,136
    • LON 13:00
      17h 25m
      1 stop
      DXB 14:00
      London - Dubai | Thu, Nov 5 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from London to Dubai are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from London Stansted Airport to Dubai International Airport

What is the cheapest month to fly from London Stansted Airport to Dubai International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from London Stansted Airport to Dubai International Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from London Stansted Airport to Dubai International Airport are usually in November, with an average price of NZD 580. It is best to avoid December, when the average price can reach NZD 952.

NZD 952
NZD 766
NZD 580
NZD 394
  • NZD 580
    Nov
  • NZD 952
    Dec
  • NZD 688
    Jan
  • NZD 824
    Feb
  • NZD 716
    Mar
  • NZD 745
    Apr
  • NZD 799
    May
  • NZD 661
    Jun
  • NZD 778
    Jul
  • NZD 765
    Aug
  • NZD 613
    Sep
  • NZD 621
    Oct

What is the cheapest month to fly return from London Stansted Airport to Dubai International Airport?

The data is based on the past 12 months and shows the average monthly return fares from London Stansted Airport to Dubai International Airport in the Trip.com database.

Based on Trip.com's data from the past 12 months, November is often the month to find the lowest fares from London Stansted Airport to Dubai International Airport, with an average price of NZD 1,240. July is usually the most expensive month, with an average price reaching NZD 2,336.

NZD 2,336
NZD 1,788
NZD 1,240
NZD 692
  • NZD 1,240
    Nov
  • NZD 1,629
    Dec
  • NZD 1,483
    Jan
  • NZD 1,241
    Feb
  • NZD 1,330
    Mar
  • NZD 1,425
    Apr
  • NZD 1,406
    May
  • NZD 1,385
    Jun
  • NZD 2,336
    Jul
  • NZD 1,407
    Aug
  • NZD 1,353
    Sep
  • NZD 1,442
    Oct

What is the cheapest day of the week to fly from London Stansted Airport to Dubai International Airport?

The data is based on the past 12 months and shows the average ticket prices from London Stansted Airport to Dubai International Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from London Stansted Airport to Dubai International Airport is Wednesday, with average prices usually lower than other days. Avoid departing on Sunday as prices are typically highest on that day.

NZD 794
NZD 724
NZD 654
NZD 584
    Cheapest
  • NZD 760
    Mon
  • NZD 774
    Tue
  • NZD 654
    Wed
  • NZD 790
    Thu
  • NZD 745
    Fri
  • NZD 681
    Sat
  • NZD 794
    Sun

Which airline offers the cheapest flights from London Stansted Airport to Dubai International Airport?

The cheapest airline flying from London Stansted Airport to Dubai International Airport is Ryanair (from NZD 262) among 9 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Ryanair
From NZD 262
Pegasus Airlines
From NZD 346
AJet
From NZD 360
Jet2.com
From NZD 380
Sunexpress
From NZD 434
Turkish Airlines
From NZD 669
Fly One S.R.L
From NZD 679
Royal Jordanian
From NZD 750
Emirates
From NZD 1,132

Find more flights and airlines

What is the flight schedule from London Stansted Airport to Dubai International Airport?

Check the schedule for flights from London to Dubai and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. FR1013

    London Stansted Airport

    08:35

    STN

    1h 55m

    Direct

    11:30

    PRG

    S M T W T F S
    Search

  2. PC302

    Vaclav Havel Airport Prague

    15:50

    PRG

    2h 35m

    Direct

    19:25

    SAW

    S M T W T F S

  3. PC740

    Sabiha Gökçen International Airport

    21:15

    SAW

    5h

    Direct

    03:15

    DXB

    S M T W T F S

  4. FR798

    London Stansted Airport

    10:20

    STN

    2h 5m

    Direct

    13:25

    VCE

    - - T W T F S
    Search

  5. PC1236

    Venice Marco Polo Airport

    14:55

    VCE

    2h 25m

    Direct

    18:20

    SAW

    S M - W - F S

  6. PC740

    Sabiha Gökçen International Airport

    21:15

    SAW

    5h

    Direct

    03:15

    DXB

    S M T W T F S

  7. FR1428

    London Stansted Airport

    18:50

    STN

    1h 55m

    Direct

    21:45

    PRG

    S - - - T F S
    Search

  8. PC302

    Vaclav Havel Airport Prague

    15:50

    PRG

    2h 35m

    Direct

    19:25

    SAW

    S M T W T F S

  9. PC740

    Sabiha Gökçen International Airport

    21:15

    SAW

    5h

    Direct

    03:15

    DXB

    S M T W T F S

  10. FR145

    London Stansted Airport

    12:50

    STN

    1h 45m

    Direct

    15:35

    BER

    S M T W T F S
    Search

  11. EW1150

    Berlin Brandenburg Airport

    06:00

    BER

    7h 30m

    Direct

    16:30

    DXB

    S M T W T F S

  12. FR792

    London Stansted Airport

    18:35

    STN

    2h 5m

    Direct

    21:40

    VCE

    S M T W T F S
    Search

  13. PC1236

    Venice Marco Polo Airport

    14:55

    VCE

    2h 25m

    Direct

    18:20

    SAW

    S M - W - F S

  14. PC740

    Sabiha Gökçen International Airport

    21:15

    SAW

    5h

    Direct

    03:15

    DXB

    S M T W T F S

  15. FR1374

    London Stansted Airport

    14:45

    STN

    1h 55m

    Direct

    17:40

    PRG

    S - T W T F S
    Search

  16. PC304

    Vaclav Havel Airport Prague

    12:35

    PRG

    2h 35m

    Direct

    16:10

    SAW

    S M T W T F S

  17. PC740

    Sabiha Gökçen International Airport

    21:15

    SAW

    5h

    Direct

    03:15

    DXB

    S M T W T F S

  18. FR1374

    London Stansted Airport

    14:45

    STN

    1h 55m

    Direct

    17:40

    PRG

    S - T W T F S
    Search

  19. VF336

    Vaclav Havel Airport Prague

    10:35

    PRG

    2h 35m

    Direct

    14:10

    SAW

    S M T W T F S

  20. VF143

    Sabiha Gökçen International Airport

    20:25

    SAW

    4h 35m

    Direct

    02:00

    DXB

    S M T W T F S

  21. FR7627

    London Stansted Airport

    18:10

    STN

    3h 5m

    Direct

    23:15

    OTP

    S M T W T F S
    Search

  22. PC362

    Bucharest Henri Coandă International Airport

    18:40

    OTP

    1h 25m

    Direct

    20:05

    SAW

    S - T W T - S

  23. PC740

    Sabiha Gökçen International Airport

    21:15

    SAW

    5h

    Direct

    03:15

    DXB

    S M T W T F S

  24. FR1374

    London Stansted Airport

    14:45

    STN

    1h 55m

    Direct

    17:40

    PRG

    S - T W T F S
    Search

  25. PC302

    Vaclav Havel Airport Prague

    15:50

    PRG

    2h 35m

    Direct

    19:25

    SAW

    S M T W T F S

  26. PC740

    Sabiha Gökçen International Airport

    21:15

    SAW

    5h

    Direct

    03:15

    DXB

    S M T W T F S

  27. FR2690

    London Stansted Airport

    16:30

    STN

    3h 5m

    Direct

    21:35

    SOF

    S M T W T F S
    Search

  28. PC272

    Sofia Airport

    14:15

    SOF

    1h 15m

    Direct

    15:30

    SAW

    S M T W T F S

  29. PC740

    Sabiha Gökçen International Airport

    21:15

    SAW

    5h

    Direct

    03:15

    DXB

    S M T W T F S
Find more flights and airlines

About London Stansted Airport and Dubai International Airport

Learn about London Stansted Airport (STN) and Dubai International Airport (DXB) — including location, terminals, transportation, and travel tips.

Flight distance 5,462.95km
Cheapest one-way ticket price NZD 356
Cheapest return ticket price NZD 666

FAQs for London Stansted Airport to Dubai International Airport Flights

  • How long is the flight from London Stansted Airport to Dubai International Airport?

    London Stansted Airport to Dubai International Airport takes about 6 hours 28 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 2 daily flights from London Stansted Airport (STN) to Dubai International Airport (DXB).
  • The earliest flight from London Stansted Airport to Dubai International Airport departs at 14:05, and the last departs at 21:05, with about 2 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from London Stansted Airport (STN) to Dubai International Airport (DXB) is quite popular. Without considering departure times or holidays, tickets cost around NZD 1,587 in December, the most expensive month to book this route.
    • The distance from Dubai International Airport to downtown is about 11km, by taxi about 30 minutes.
    • The distance from Al Maktoum International Airport to downtown is about 37km, by taxi about 50 minutes.
  • The closest airport to Dubai International Airport (DXB) is Sharjah International Airport. The distance is around 17km.
  • Emirates is a very popular airline operating an average of 8896 flights per month.
  • One-way flights from London Stansted Airport to Dubai International Airport currently start from NZD 356, and round-trip fares start from NZD 666. The current lowest fare is a Pegasus Airlines flight departing on Thu, Nov 26; prices may vary depending on availability.
  • Yes. Emirates operate direct flights from London Stansted Airport to Dubai International Airport, with an average flight time of 6 hours 17 minutes, and around 14 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from London Stansted Airport to Dubai International Airport is NZD 798. Prices may vary depending on the departure date, airline, and availability.
  • London Stansted Airport to Dubai International Airport operates around 14 weekly flights, mainly by Emirates. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter London Stansted Airport and Dubai International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Find Cheap Flights with Trip.com