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Cheap Flights from Hanoi to London (HAN-LHR)
Prices were available within the past 7 days and start at $328 for one-way flights and $601 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Frequently asked questions
Travel information
Travel information
Origin airport | Noi Bai Intl. |
Destination airport | Heathrow |
Airlines serving | Air China, Air France, Asiana Airlines, Austrian Airlines, British Airways, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, EVA Airways, Emirates, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Shenzhen Airlines, Thai Airways International, Turkish Airlines, Vietnam Airlines |
Roundtrip price | $601 |
Distance | 5739 mi |
Book with confidence
Book with confidence
The cheapest times to fly from Hanoi to London
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Hanoi to London are during the month of May. You can find some of the cheapest flights from Hanoi to London with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Hanoi to London
Sunday is one of the best days to book for cheap flights from Hanoi to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Hanoi to London
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Hanoi to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $328 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Hanoi to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Hanoi to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Be inspired and discover more with Expedia
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Flights
- Korean Air
- United
- Vietnam Airlines
- Air Canada
- Asiana Airlines
- Delta
- Emirates
- Cathay Pacific
- Thai Airways International
- Qatar Airways
- Air France
- All Nippon Airways
- China Southern Airlines
- Turkish Airlines
- EVA Airways
- Japan Airlines
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