Book a trip from London to Hanoi with Cathay Pacific , fares from GBP719

DISCOUNT CODE (OPTIONAL)

Fly Cathay Pacific from London (LHR) to Hanoi (HAN). Enjoy award-winning service, entertainment, and an enhanced menu for Premium Economy and Business Class during your flight. Book direct to secure our best fare and join as a Cathay Pacific Member to earn Status Points or Miles.

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

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

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Book flights to Hanoi HAN
From
To
Fare Type
Dates
Price
London (LHR)Hanoi (HAN)Round-trip
/
Economy		26/02/2026 - 12/03/2026

From

GBP719

Seen 1 day ago

London (LHR)Hanoi (HAN)Round-trip
/
Economy		20/11/2025 - 27/11/2025

From

GBP719

Seen 16 hours ago

London (LHR)Hanoi (HAN)Round-trip
/
Economy		07/04/2026 - 30/04/2026

From

GBP730

Seen 9 hours ago

London (LHR)Hanoi (HAN)Round-trip
/
Economy		06/03/2026 - 21/03/2026

From

GBP734

Seen 1 day ago

London (LHR)Hanoi (HAN)Round-trip
/
Economy		10/12/2025 - 09/02/2026

From

GBP773

Seen 8 hours ago

Book Business Class flights to Hanoi - selected offers

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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.