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Cheap flights from Bangkok Suvarnabhumi Airport to London from $523

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bangkok Suvarnabhumi Airport to London departing on 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Bangkok Suvarnabhumi Airport to London

Cheap return flights

SAUDIA Logo
15:20 - 07:30BKK-LHR
23h 10m1 stop
SAUDIA Logo
10:00 - 13:40LHR-BKK
20h 40m1 stop
$1,069SAUDIA
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Sun, 1 Feb - Mon, 9 Feb
SAUDIA Logo
15:20 - 07:30BKK-LHR
23h 10m1 stop
SAUDIA Logo
17:00 - 23:30LHR-BKK
23h 30m1 stop
$1,093SAUDIA
Find Deal
Sun, 16 Nov - Sun, 7 Dec
China Eastern Logo
01:55 - 17:30BKK-LHR
22h 35m1 stop
China Eastern Logo
21:00 - 22:25LHR-BKK
18h 25m1 stop
$1,094China Eastern
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Wed, 5 Nov - Wed, 12 Nov
Hainan Airlines Logo
01:35 - 17:35BKK-LHR
23h 00m2 stops
Hainan Airlines Logo
21:00 - 10:05LHR-BKK
30h 05m2 stops
$1,105Hainan Airlines
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Thu, 30 Oct - Fri, 7 Nov
SAUDIA Logo
01:15 - 12:15BKK-LHR
18h 00m1 stop
SAUDIA Logo
22:05 - 23:30LHR-BKK
18h 25m1 stop
$1,115SAUDIA
Find Deal
Fri, 6 Feb - Thu, 12 Feb
SAUDIA Logo
01:15 - 12:15BKK-LHR
18h 00m1 stop
SAUDIA Logo
22:05 - 23:30LHR-BKK
18h 25m1 stop
$1,121SAUDIA
Find Deal
Mon, 24 Nov - Tue, 13 Jan
Malaysia Airlines Logo
20:05 - 15:25BKK-LHR
26h 20m1 stop
Malaysia Airlines Logo
10:25 - 16:05LHR-BKK
22h 40m1 stop
$1,153Malaysia Airlines
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Mon, 16 Feb - Mon, 23 Feb
Malaysia Airlines Logo
20:05 - 15:25BKK-LHR
26h 20m1 stop
Malaysia Airlines Logo
10:25 - 17:40LHR-BKK
24h 15m1 stop
$1,157Malaysia Airlines
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Sun, 18 Jan - Mon, 26 Jan
Multiple Airlines Logo
12:20 - 18:30BKK-LHR
37h 10m1 stop
Multiple Airlines Logo
21:00 - 22:25LHR-BKK
18h 25m1 stop
$1,181Multiple Airlines
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Fri, 31 Oct - Fri, 7 Nov
Multiple Airlines Logo
01:35 - 17:35BKK-LHR
23h 00m2 stops
Multiple Airlines Logo
21:00 - 22:25LHR-BKK
18h 25m1 stop
$1,184Multiple Airlines
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Thu, 30 Oct - Fri, 7 Nov

Kuwait Airways flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport

Our best Kuwait Airways deals on Bangkok Suvarnabhumi Airport to London Heathrow Airport flight tickets
Kuwait Airways
17 Feb
BKK03:00Bangkok Suvarnabhumi
17h 45m
1 stop
LHR13:45London Heathrow
22 Feb
LHR10:45London Heathrow
16h 20m
1 stop
BKK10:05Bangkok Suvarnabhumi
$1,249
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Kuwait Airways
17 Feb
BKK03:00Bangkok Suvarnabhumi
17h 45m
1 stop
LHR13:45London Heathrow
22 Feb
LHR10:45London Heathrow
16h 20m
1 stop
BKK10:05Bangkok Suvarnabhumi
$1,250
Find similar
Kuwait Airways
17 Feb
BKK03:00Bangkok Suvarnabhumi
17h 45m
1 stop
LHR13:45London Heathrow
22 Feb
LHR10:45London Heathrow
16h 20m
1 stop
BKK10:05Bangkok Suvarnabhumi
$1,252
Find similar

Finnair flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport

Our best Finnair deals on Bangkok Suvarnabhumi Airport to London Heathrow Airport flight tickets
Finnair
5 Dec
BKK15:00Bangkok Suvarnabhumi
31h 15m
1 stop
LHR15:15London Heathrow
2 Jan
LHR16:15London Heathrow
30h 50m
1 stop
BKK06:05Bangkok Suvarnabhumi
$1,283
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Finnair
31 Oct
BKK08:05Bangkok Suvarnabhumi
38h 10m
1 stop
LHR15:15London Heathrow
4 Nov
LHR18:10London Heathrow
36h 05m
1 stop
BKK13:15Bangkok Suvarnabhumi
$1,301
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Finnair
1 Nov
BKK08:05Bangkok Suvarnabhumi
35h 30m
1 stop
LHR12:35London Heathrow
8 Nov
LHR16:15London Heathrow
30h 50m
1 stop
BKK06:05Bangkok Suvarnabhumi
$1,304
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momondo Fare Finder

 
Customise your flight search to find flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport 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, momondo users made 78,305 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 1/2

15:20-07:30

1 stop23h 10m

London Heathrow

Mon 9/2

10:00-13:40

1 stop20h 40m

$1,069

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 16/11

15:20-07:30

1 stop23h 10m

London Heathrow

Sun 7/12

17:00-23:30

1 stop23h 30m

$1,093

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 5/11

01:55-17:30

1 stop22h 35m

London Heathrow

Wed 12/11

21:00-22:25

1 stop18h 25m

$1,094

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 30/10

01:35-17:35

2 stops23h 00m

London Heathrow

Fri 7/11

21:00-10:05

2 stops30h 05m

$1,105

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 6/2

01:15-12:15

1 stop18h 00m

London Heathrow

Thu 12/2

22:05-23:30

1 stop18h 25m

$1,115

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 24/11

01:15-12:15

1 stop18h 00m

London Heathrow

Tue 13/1

22:05-23:30

1 stop18h 25m

$1,121

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 16/2

20:05-15:25

1 stop26h 20m

London Heathrow

Mon 23/2

10:25-16:05

1 stop22h 40m

$1,153

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 18/1

20:05-15:25

1 stop26h 20m

London Heathrow

Mon 26/1

10:25-17:40

1 stop24h 15m

$1,157

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 31/10

12:20-18:30

1 stop37h 10m

London Heathrow

Fri 7/11

21:00-22:25

1 stop18h 25m

$1,181

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 30/10

01:35-17:35

2 stops23h 00m

London Heathrow

Fri 7/11

21:00-22:25

1 stop18h 25m

$1,184

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Bangkok Suvarnabhumi Airport to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Bangkok Suvarnabhumi Airport and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of March is, on average, the cheapest month to fly to London Heathrow Airport from Bangkok Suvarnabhumi Airport, with most prices found around $1,431. If you aren’t able to travel during the month of March, then book flights to London Heathrow Airport from Bangkok Suvarnabhumi Airport during May instead. Flights to London Heathrow Airport in May, while not as cheap as those in March, still average around $1,473.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $1,649. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Bangkok Suvarnabhumi Airport to London Heathrow Airport for around $1,879.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

In the evening is the cheapest time of day to fly from Bangkok Suvarnabhumi Airport to London Heathrow Airport when you can find flight prices for as low as $1,649. Flying to London Heathrow Airport in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to London Heathrow Airport is at midday when prices are around $1,739.

What is the cheapest Bangkok Suvarnabhumi to London Heathrow flight route?

Fly from Bangkok Suvarnabhumi to London Heathrow for the best Bangkok Suvarnabhumi - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Bangkok Suvarnabhumi Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $1,534 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Bangkok Suvarnabhumi Airport for as low as $1,381 on momondo.

What cabin class options are available on Bangkok Suvarnabhumi to London Heathrow flights?

There are 3 cabin classes available to choose from on Bangkok Suvarnabhumi to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Bangkok Suvarnabhumi Airport to London Heathrow Airport flights?

You could potentially save up to 14% on your flight if you consider stops on a Bangkok Suvarnabhumi Airport to London Heathrow Airport flight.

How have Bangkok Suvarnabhumi Airport to London Heathrow Airport flight prices changed over time?

As of September 2025, prices for Bangkok Suvarnabhumi Airport to London Heathrow Airport flights are approximately 15% cheaper when compared to flights at the same time last year.

When to book flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Bangkok Suvarnabhumi Airport to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Bangkok Suvarnabhumi Airport to London Heathrow Airport (BKK to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport

Fastest flight time

12h 30m

Direct flights

Every day
The fastest flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport takes 12h 30m
Direct flights go from Bangkok Suvarnabhumi Airport to London Heathrow Airport every day.
Search flight deals

  • How far is Bangkok Suvarnabhumi to London Heathrow by plane?

    A flight from Bangkok Suvarnabhumi to London Heathrow will travel around 9570.2 km. By plane, this route typically takes 15h 50m.

  • When did momondo last update prices for flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    Prices for flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

  • How old do you have to be to fly from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bangkok Suvarnabhumi Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

  • What is the most popular airline from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

Best airlines flying from Bangkok Suvarnabhumi Airport to London Heathrow Airport

Compare and see reviews for airlines that fly from Bangkok Suvarnabhumi Airport to London Heathrow Airport with momondo
Airline
Rating
Free cancellation
Price
Thai AirwaysPriceFrom $1,535Free cancellationRating
7.8
350 reviews
Search Thai Airways flights

  • Thai Airways Flights From Bangkok Suvarnabhumi Airport to London Heathrow Airport

    Thai Airways flies from Bangkok Suvarnabhumi Airport to London Heathrow Airport around 21 times per week, with 350 momondo users rating the airline 7.8/10. The cheapest Thai Airways deal from Bangkok Suvarnabhumi Airport to London Heathrow Airport in the last 72 hours was $1,024 (round-trip), much lower than the average airfare cost of $1,100 for Thai Airways flights on this route.

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Why use momondo?

Why should I use momondo to find a flight deal from Bangkok to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Bangkok to London for you.

Can I find flights from Bangkok to London with flexible booking policies on momondo?

Yes. All flights to London from Bangkok on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Bangkok to London?

momondo provides multiple filters to help you find the best flight to London from Bangkok. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Bangkok to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Bangkok and alert you when they change.

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