Book a trip from London to Hanoi with Cathay Pacific , fares from GBP642
Direct flights from London with three cabin classes to match your style, your Hanoi adventure starts from GBP642
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1 Passenger(s), Economy
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Deals on London (LHR) to Hanoi (HAN) flights
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Book flights to Hanoi HAN
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GBP
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| London (LHR) | Hanoi (HAN) | Round-trip / Economy | 12/11/2025 - 24/11/2025 | From GBP642 Seen 20 hours ago | |
| London (LHR) | Hanoi (HAN) | Round-trip / Economy | 10/11/2025 - 21/11/2025 | From GBP642 Seen 15 hours ago | |
| London (LHR) | Hanoi (HAN) | Round-trip / Economy | 01/11/2025 - 29/11/2025 | From GBP677 Seen 1 day ago | |
| London (LHR) | Hanoi (HAN) | Round-trip / Economy | 01/11/2025 - 15/11/2025 | From GBP677 Seen 1 day ago | |
| London (LHR) | Hanoi (HAN) | Round-trip / Economy | 25/02/2026 - 23/04/2026 | From GBP785 Seen 14 hours ago |
Book Business Class flights to Hanoi - selected offers
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GBP
London (LHR)to
Hanoi (HAN)03/11/2025 - 22/11/2025FromGBP3,492Seen 14 hours agoRound-tripBusinessLondon (LHR)to
Hanoi (HAN)08/02/2026 - 04/03/2026FromGBP3,543Seen 1 day agoRound-tripBusinessLondon (LHR)to
Hanoi (HAN)19/02/2026 - 07/03/2026FromGBP4,032Seen 1 day agoRound-tripBusinessLondon (LHR)to
Hanoi (HAN)25/03/2026 - 06/04/2026FromGBP4,042Seen 18 hours agoRound-tripBusiness
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The Cathay Pacific experience
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Spacious cabins and world-class service
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Complete flexibility when you book
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Fresher flavours, now ready for Business
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Our intuitive digital experience
Flight Deals for Popular Routes on Cathay Pacific
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GBP
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| London (LHR) | Hanoi (HAN) | Round-trip / Economy | 17/04/2026 - 15/05/2026 | From GBP702 Seen 1 day ago | |
| London (LHR) | Hanoi (HAN) | Round-trip / Economy | 25/07/2026 - 29/08/2026 | From GBP1,181 Seen 33 minutes ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking.
Travel to Hanoi in Premium Economy
London (LHR)to
Hanoi (HAN)21/11/2025 - 08/12/2025FromGBP2,059Seen 1 day agoRound-tripPremium Economy
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.)