Book a trip from London to Hanoi with Cathay Pacific , fares from GBP728

DISCOUNT CODE (OPTIONAL)

Deals on London (LHR) to Hanoi (HAN) flights

Jul 2025
No results available
GBP1.1K
Displaying fares for July-2025
  • 18

    Fri

    JUL

  • 19

    Sat

  • 20

    Sun

  • 21

    Mon

  • 22

    Tue

  • 23

    Wed

  • 24

    Thu

  • 25

    Fri

  • 26

    Sat

  • 27

    Sun

  • 28

    Mon

  • 29

    Tue

  • 30

    Wed

  • 31

    Thu

  • 01

    Fri

    AUG

  • 02

    Sat

  • 03

    Sun

  • 04

    Mon

  • 05

    Tue

  • 06

    Wed

  • 07

    Thu

  • 08

    Fri

  • 09

    Sat

  • 10

    Sun

  • 11

    Mon

  • 12

    Tue

  • 13

    Wed

  • 14

    Thu

  • 15

    Fri

  • 16

    Sat

  • 17

    Sun

    • RangeGBP1,093

    Best fares on flights found by others in the last 48 hours. (Please note that some fares may only apply when there are multiple travellers.)

    Book flights to Hanoi HAN

    keyboard_arrow_down
    Book flights to Hanoi HAN
    From
    To
    Fare Type
    Dates
    Price
    London (LHR)Hanoi (HAN)Round-trip
    /
    Economy    		13/11/2025 - 30/11/2025

    From

    GBP728

    Seen 1 day ago

    London (LHR)Hanoi (HAN)Round-trip
    /
    Economy    		01/12/2025 - 13/12/2025

    From

    GBP756

    Seen 48 minutes ago

    London (LHR)Hanoi (HAN)Round-trip
    /
    Economy    		17/10/2025 - 27/10/2025

    From

    GBP938

    Seen 1 day ago

    London (LHR)Hanoi (HAN)Round-trip
    /
    Economy    		13/12/2025 - 29/12/2025

    From

    GBP1,085

    Seen 1 day ago

    London (LHR)Hanoi (HAN)Round-trip
    /
    Economy    		11/08/2025 - 31/08/2025

    From

    GBP1,093

    Seen 8 hours ago

    Book Business Class flights to Hanoi - selected offers

    keyboard_arrow_down
    keyboard_arrow_down

    All fares displayed include taxes and carrier-imposed surcharges. All fares, government taxes and fees, and surcharges are subject to change at any time. For ticket cancellations, where applicable, the Hong Kong Passenger Security Charge, the Hong Kong Air Passenger Departure Tax, and the Hong Kong International Airport Construction Fee will be refunded without any administration fees.

    Flight Deals for Popular Routes on Cathay Pacific

    Flight Deals for Popular Routes on Cathay Pacific
    From
    To
    Fare Type
    Dates
    Price
    London (LHR)Hanoi (HAN)Round-trip
    /
    Economy    		09/03/2026 - 25/03/2026

    From

    GBP758

    Seen 1 day ago

    London (LHR)Hanoi (HAN)Round-trip
    /
    Economy    		16/01/2026 - 01/02/2026

    From

    GBP775

    Seen 1 day ago

    London (LHR)Hanoi (HAN)Round-trip
    /
    Economy    		12/04/2026 - 01/05/2026

    From

    GBP824

    Seen 5 hours ago

    London (LHR)Hanoi (HAN)Round-trip
    /
    Economy    		06/03/2026 - 22/03/2026

    From

    GBP859

    Seen 22 hours ago

    London (LHR)Hanoi (HAN)Round-trip
    /
    Economy    		05/04/2026 - 16/04/2026

    From

    GBP994

    Seen 1 hour ago

    *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.

    Explore Cathay Pacific's top-pick destinations

    Explore More Flights from Other Popular Origins