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$315+ Cheap flights from Hanoi (HAN) to London (LON)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — LON
Mar 30 — Apr 61
Mon 3/30
Mon 4/6
1 adult, Economy
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Cheap flight deals from Hanoi to London

Cheapest flights from Hanoi to London
Explore the most affordable flight options available from Hanoi to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 28, 2026.

This Booking.com deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/29:10 pm
HAN
-
LHR
2 stops28h 20m
Multiple Airlines
Sat 4/2510:05 pm
LHR
-
HAN
1 stop29h 35m
Multiple Airlines
Deal found 2/24$637
This Booking.com deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/29:10 pm
HAN
-
LHR
2 stops28h 20m
Multiple Airlines
Thu 4/169:20 pm
LHR
-
HAN
1 stop22h 00m
Multiple Airlines
Deal found 2/27$647
This FlightHub deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:15 am
HAN
-
LHR
1 stop17h 05m
China Southern
Sat 6/139:00 pm
LHR
-
HAN
2 stops31h 45m
China Southern
Deal found 2/26$669
This Booking.com deal was found by Cheapflights users on 2/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:15 am
HAN
-
LHR
1 stop17h 05m
Multiple Airlines
Sat 6/1310:05 pm
LHR
-
HAN
1 stop21h 05m
Multiple Airlines
Deal found 2/26$682
This Shenzhen Airlines deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/242:10 am
HAN
-
LHR
1 stop24h 00m
Shenzhen Airlines
Sun 4/1210:05 pm
LHR
-
HAN
1 stop21h 05m
Shenzhen Airlines
Deal found 2/25$710
This Booking.com deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/283:45 pm
HAN
-
LHR
2 stops30h 30m
China Southern
Sat 4/410:10 pm
LHR
-
HAN
1 stop18h 50m
China Southern
Deal found 2/28$776
This Booking.com deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/272:10 am
HAN
-
LHR
1 stop24h 00m
Multiple Airlines
Sat 4/49:20 pm
LHR
-
HAN
1 stop22h 00m
Multiple Airlines
Deal found 2/28$777
This Cathay Pacific deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:10 pm
HAN
-
LCY
2 stops22h 20m
Multiple Airlines
Mon 11/308:40 am
LCY
-
HAN
2 stops18h 25m
Multiple Airlines
Deal found 2/28$1,141
This Booking.com deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:05 pm
HAN
-
LCY
2 stops28h 50m
Multiple Airlines
Tue 4/219:15 am
LCY
-
HAN
2 stops33h 00m
Multiple Airlines
Deal found 2/28$1,519
This Expedia deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/154:05 pm
HAN
-
LCY
2 stops31h 50m
Multiple Airlines
Wed 7/159:15 am
LCY
-
HAN
2 stops33h 00m
Multiple Airlines
Deal found 2/28$1,600
This KLM deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/111:00 pm
HAN
-
LCY
2 stops26h 50m
KLM
Sat 3/148:40 am
LCY
-
HAN
2 stops26h 10m
KLM
Deal found 2/24$1,754
This KLM deal was found by Cheapflights users on 2/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:05 pm
HAN
-
LCY
2 stops24h 50m
KLM
Sun 10/251:45 pm
LCY
-
HAN
2 stops39h 15m
KLM
Deal found 2/27$1,887

Find flight deals from Hanoi to London

Discover tips and strategies to find the most affordable flight options for your journey from Hanoi (HAN) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$637
(Booking.com)

One-way from

$315
(FlightHub)

Popular in

May

Cheapest in

October

Average price

$922
Provider with most accurate pricing for Hanoi Noibai-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hanoi Noibai-London (LON) flights.
Search Deals
From Hanoi Noibai to London (LON)
Search Deals
One-way flight from Hanoi Noibai to London (LON)
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hanoi to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 28, 2026.
Use the filters below to find and compare flights from Hanoi to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Thu 4/2

9:10 pm-7:30 pm

2 stops28h 20m

London Heathrow

Sat 4/25

10:05 pm-9:40 am

1 stop29h 35m

$637

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Tue 3/10

2:35 am-5:30 pm

2 stops21h 55m

London Heathrow

Sun 3/15

9:00 pm-3:15 pm

2 stops59h 15m

$786

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Sat 6/6

8:25 am-3:05 pm

1 stop36h 40m

London Heathrow

Sat 6/13

2:45 pm-6:45 pm

1 stop22h 00m

$870

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Fri 4/10

10:45 pm-7:50 pm

2 stops27h 05m

London Heathrow

Fri 4/17

10:00 pm-8:05 pm

2 stops40h 05m

$1,037

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Sat 6/6

10:35 am-6:30 am

2 stops25h 55m

London Heathrow

Sat 6/13

8:50 pm-9:35 am

2 stops30h 45m

$1,064

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Thu 4/2

5:30 pm-6:40 pm

3 stops55h 10m

London Heathrow

Sat 4/25

9:20 pm-4:30 pm

2 stops37h 10m

$1,069

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Tue 5/19

12:40 pm-7:55 am

2 stops25h 15m

London Heathrow

Thu 5/28

7:30 pm-7:40 pm

2 stops18h 10m

$1,082

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Thu 5/21

6:00 pm-7:20 pm

2 stops31h 20m

London Heathrow

Thu 5/28

9:35 pm-11:05 am

2 stops31h 30m

$1,097

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Thu 5/21

6:00 pm-7:20 pm

2 stops31h 20m

London Heathrow

Wed 5/27

9:35 pm-4:50 pm

2 stops37h 15m

$1,097

HanoiLondon

HAN - LCY

HANLCY

Hanoi Noibai

Tue 4/14

4:05 pm-5:55 pm

2 stops31h 50m

London City

Tue 4/21

9:15 am-5:55 pm

2 stops26h 40m

$1,524

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/25

Showing 1-10 of 42 resultsSorted by cheapest first
1
2
3
...
5
  • Most accurate provider: When it comes to deals on Hanoi-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hanoi-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hanoi-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hanoi-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hanoi-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Hanoi to London

Have a flexible travel schedule? Discover the best time to fly to London from Hanoi with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Hanoi to London

How far ahead should I book a flight from Hanoi to London?

Use this chart to determine the optimal time to book a round-trip flight from Hanoi to London. Price data was last updated on February 27, 2026.

The best time to book flights from Hanoi to London is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Hanoi to London?

Currently, October is the cheapest month in which you can book a flight from Hanoi to London (average of $389). Flying from Hanoi to London in September is currently the most expensive (average of $1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HAN to LON?

Find hourly flight availability from Hanoi to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 28, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hanoi to London as you normally would.

How much does it cost to fly round-trip from Hanoi to London?

How often are flights from Hanoi to London delayed?

About 25% of weekly flights between Hanoi and London have experienced delays in the past year, with the average delay time being 119 minutes.

What is the most punctual flight time for Hanoi to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Hanoi to London flights?

Over the last year, Vietnam Airlines have had the lowest number of delays on this route, with just 25% of flights being delayed.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated February 28, 2026.
Peruse reviews from past customers who have flown with China Eastern from Hanoi to London to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Eastern
7.2
Good
196 reviews

Food

6.8

Boarding

7.6

Entertainment

6.1

Crew

7.8

Comfort

7.2

Overall

7.2

Reviews

1 / 7
10.0
Excellent

Anonymous,Feb 2026

LGW - PVG

Not much selection for westerners with regards to videos. But the upgrade was amazing. So gave 5 stars. Thank you.
China Eastern
7.2
Good
196 reviews
China Eastern
7.2
Good
196 reviews

Food

6.8

Boarding

7.6

Entertainment

6.1

Crew

7.8

Comfort

7.2

Overall

7.2

Reviews

1 / 7
10.0
Excellent

Anonymous,Feb 2026

LGW - PVG

Not much selection for westerners with regards to videos. But the upgrade was amazing. So gave 5 stars. Thank you.

Related info for your journey

Find useful and relevant information for your journey from Hanoi to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Hanoi to London?

    If you book a flight to London from Hanoi, you will be flying from Noibai, which is the city’s only airport. Hanoi Noibai (HAN) is located 14.2 mi from the center of Hanoi. There is 1 flight from Noibai to London per day from 0 different airlines.

  • How long is the flight from Hanoi to London?

    China Eastern and KLM can get you from Hanoi to London in just under 21h 55m. Your travel time can differ by up to 2h 55m. Hanoi and London are separated by a distance of 5736 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Hanoi to London that include hotel bookings?

    Yes. In addition to deals on Hanoi to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hanoi to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hanoi to London.

  • Can I find deals for business class flights from Hanoi to London?

    Yes. Cheapflights offers flight deals from Hanoi to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hanoi to London?

    Currently, October is the cheapest month in which you can book a flight from Hanoi to London (average of $389). Flying from Hanoi to London in September is currently the most expensive (average of $1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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