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$305+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — LON
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
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 July 26, 2026.

This FlightHub deal was found by Cheapflights users on 7/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:15 am
HAN
-
LHR
1 stop17h 20m
China Southern
Sat 11/2810:00 pm
LHR
-
HAN
1 stop18h 15m
China Southern
Deal found 7/24$647
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:15 am
HAN
-
LHR
1 stop17h 05m
China Southern
Mon 9/1410:10 pm
LHR
-
HAN
1 stop34h 35m
China Southern
Deal found 7/24$680
This Mytrip deal was found by Cheapflights users on 7/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:45 pm
HAN
-
LHR
1 stop33h 35m
Multiple Airlines
Tue 8/258:50 pm
LHR
-
HAN
2 stops35h 10m
Multiple Airlines
Deal found 7/20$696
This Gotogate deal was found by Cheapflights users on 7/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:45 pm
HAN
-
LHR
1 stop29h 35m
China Southern
Tue 8/2510:10 pm
LHR
-
HAN
1 stop18h 50m
China Southern
Deal found 7/20$699
This FlightHub deal was found by Cheapflights users on 7/22. 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.
Sun 11/152:10 am
HAN
-
LHR
1 stop24h 00m
Multiple Airlines
Wed 12/25:40 pm
LHR
-
HAN
1 stop35h 15m
Multiple Airlines
Deal found 7/22$732
This FlightHub deal was found by Cheapflights users on 7/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:45 pm
HAN
-
LHR
1 stop29h 50m
China Southern
Tue 12/110:00 pm
LHR
-
HAN
1 stop18h 15m
China Southern
Deal found 7/25$737
This KLM deal was found by Cheapflights users on 7/22. 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 9/151:05 pm
HAN
-
LCY
2 stops24h 50m
KLM
Mon 10/2610:00 am
LCY
-
HAN
2 stops21h 15m
KLM
Deal found 7/22$1,530
This KLM deal was found by Cheapflights users on 7/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:00 pm
HAN
-
LCY
2 stops25h 15m
KLM
Thu 12/39:20 am
LCY
-
HAN
2 stops21h 55m
KLM
Deal found 7/25$1,559
This KLM deal was found by Cheapflights users on 7/22. 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.
Thu 10/151:05 pm
HAN
-
LCY
2 stops24h 50m
KLM
Tue 10/209:20 am
LCY
-
HAN
2 stops22h 35m
KLM
Deal found 7/22$1,576
This KLM deal was found by Cheapflights users on 7/24. 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.
Tue 9/81:05 pm
HAN
-
LCY
2 stops24h 50m
KLM
Tue 9/1510:00 am
LCY
-
HAN
2 stops21h 55m
KLM
Deal found 7/24$1,590
This Expedia deal was found by Cheapflights users on 7/21. 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.
Tue 8/411:35 pm
HAN
-
LCY
2 stops23h 50m
Multiple Airlines
Fri 8/77:15 pm
LCY
-
HAN
2 stops39h 35m
Multiple Airlines
Deal found 7/21$1,604
This KLM deal was found by Cheapflights users on 7/24. 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.
Mon 9/71:05 pm
HAN
-
LCY
2 stops24h 50m
KLM
Mon 9/149:20 am
LCY
-
HAN
2 stops22h 35m
KLM
Deal found 7/24$1,642

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 July 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$647
(FlightHub)

One-way from

$305
(Booking.com)

Popular in

March

Cheapest in

October

Average price

$956
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. 8% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 26, 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

Cheapest round-trip

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Sun 11/8

6:45 pm-5:30 pm

1 stop29h 45m

London Heathrow

Thu 11/12

9:00 pm-3:15 pm

2 stops59h 15m

$828

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Sun 11/15

2:45 am-5:30 pm

1 stop21h 45m

London Heathrow

Tue 12/1

9:00 pm-2:45 pm

2 stops34h 45m

$828

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Sat 9/19

10:35 am-6:30 am

2 stops25h 55m

London Heathrow

Fri 9/25

8:50 pm-9:35 am

2 stops30h 45m

$934

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Thu 10/22

7:30 pm-8:00 am

1 stop18h 30m

London Heathrow

Sat 10/31

8:35 am-12:20 pm

1 stop20h 45m

$971
Quickest round-trip

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Sat 12/19

7:10 pm-8:00 am

1 stop19h 50m

London Heathrow

Sun 1/3

8:05 am-6:55 am

1 stop15h 50m

$997

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Thu 11/12

1:00 pm-5:55 am

2 stops23h 55m

London Heathrow

Sat 11/28

8:05 pm-9:35 am

2 stops30h 30m

$1,101

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Mon 11/16

6:55 pm-1:45 pm

2 stops25h 50m

London Heathrow

Wed 12/2

10:45 am-2:15 pm

2 stops20h 30m

$1,125

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Thu 8/27

10:35 am-6:30 am

2 stops25h 55m

London Heathrow

Sun 9/6

8:50 pm-9:35 am

2 stops30h 45m

$1,169

HanoiLondon

HAN - LCY

HANLCY

Hanoi Noibai

Mon 11/2

1:00 pm-7:15 am

2 stops25h 15m

London City

Thu 12/3

9:20 am-2:15 pm

2 stops21h 55m

$1,559

HanoiLondon

HAN - LCY

HANLCY

Hanoi Noibai

Mon 9/7

1:05 pm-7:55 am

2 stops24h 50m

London City

Mon 9/14

9:20 am-1:55 pm

2 stops22h 35m

$1,642

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 38 resultsSorted by cheapest first
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  • 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

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 $743). Flying from Hanoi to London in March is currently the most expensive (average of $1,121). 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.

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

Airfare is below average for this route at the moment.
Hanoi to London flights typically cost between $841 and $1,215 in November.
The cheapest round-trip price found within the last 5 days was $647 on China Southern (Nov 12-Nov 28).

How often are flights from Hanoi to London delayed?

About 19% of weekly flights between Hanoi and London have experienced delays in the past year, with the average delay time being 109 minutes.

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

Historically, flights departing in the morning 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?

Sunday tends to have the lowest number of delays on this route, whereas Tuesday 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 19% of flights being delayed.

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

The best time to book flights from Hanoi to London is 77 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.

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 are 0 flights 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 25h 15m. Your travel time can differ by up to 4h 30m. Hanoi and London are separated by a distance of 5715 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 $743). Flying from Hanoi to London in March is currently the most expensive (average of $1,121). 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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