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Cheap flights from Bangkok to London Heathrow Airport from ฿11,720

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 22/10. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
27 Aug — 3 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Bangkok to London Heathrow are usually found in November or February, booked 60 days in advance, depart on a Sunday or Thursday and return on a Monday

Cheap flight deals from Bangkok to Heathrow

Enter your travel dates to find the best prices.

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

Mon 3/805:05
BKK
-
LHR
1 stop19h 35m
China Eastern
Thu 6/821:20
LHR
-
BKK
1 stop18h 35m
China Eastern
Deal found 24/7฿27,840
Thu 10/915:55
BKK
-
LHR
1 stop21h 05m
เอทิฮัดแอร์เวย์
Wed 23/914:45
LHR
-
BKK
1 stop15h 25m
เอทิฮัดแอร์เวย์
Deal found 27/7฿27,907
Sat 24/1009:00
BKK
-
LHR
1 stop16h 10m
โอมานแอร์
Sat 21/1108:25
LHR
-
BKK
1 stop28h 30m
โอมานแอร์
Deal found 26/7฿27,941
Mon 7/909:00
BKK
-
LHR
1 stop16h 10m
โอมานแอร์
Tue 13/1020:50
LHR
-
BKK
1 stop14h 55m
โอมานแอร์
Deal found 27/7฿27,974
Mon 7/915:55
BKK
-
LHR
1 stop29h 10m
เอทิฮัดแอร์เวย์
Sun 4/1014:45
LHR
-
BKK
1 stop15h 25m
เอทิฮัดแอร์เวย์
Deal found 26/7฿28,008
Mon 7/915:55
BKK
-
LHR
1 stop29h 10m
เอทิฮัดแอร์เวย์
Tue 13/1014:45
LHR
-
BKK
1 stop27h 10m
เอทิฮัดแอร์เวย์
Deal found 24/7฿28,041
Fri 25/903:15
BKK
-
LHR
1 stop15h 30m
เอทิฮัดแอร์เวย์
Tue 6/1014:45
LHR
-
BKK
1 stop15h 25m
เอทิฮัดแอร์เวย์
Deal found 26/7฿28,075
Sat 7/1109:00
BKK
-
LHR
1 stop16h 25m
โอมานแอร์
Tue 24/1120:05
LHR
-
BKK
1 stop14h 10m
โอมานแอร์
Deal found 27/7฿28,108
Sun 2/820:15
BKK
-
LHR
1 stop16h 40m
กัลฟ์แอร์
Sat 8/810:00
LHR
-
BKK
1 stop17h 45m
กัลฟ์แอร์
Deal found 27/7฿28,142
Sun 25/1019:30
BKK
-
LHR
1 stop27h 25m
Air China
Sat 14/1117:40
LHR
-
BKK
1 stop17h 25m
Air China
Deal found 23/7฿28,176
Thu 20/819:20
BKK
-
LHR
2 stops30h 10m
Multiple Airlines
Tue 24/1121:00
LHR
-
BKK
1 stop21h 55m
Multiple Airlines
Deal found 26/7฿28,209
Thu 17/1219:15
BKK
-
LHR
1 stop26h 30m
กัลฟ์แอร์
Mon 15/309:30
LHR
-
BKK
1 stop16h 50m
กัลฟ์แอร์
Deal found 27/7฿28,243

Find flight deals from Bangkok to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Heathrow (LHR). 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 28 July 2026.

Round-trip from

฿27,907

One-way from

฿11,720

Popular in

August

Cheapest in

November

Average price

฿37,747
เอทิฮัดแอร์เวย์
  • เอทิฮัดแอร์เวย์
  • 10/9-23/9
  • 2 total stops
  • 36h 30m total
  • Bangkok to London
Search Deals
22/10
  • 22/10
  • 2 total stops
  • 42h 40m total
  • Bangkok to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (฿63,023 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (฿10,253 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bangkok to Heathrow 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 17,341 searches. Data last updated 28 July 2026.
Use the filters below to find and compare flights from Bangkok to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 26/9

09:00-19:10

1 stop16h 10m

London Heathrow

Mon 12/10

20:50-17:45

1 stop14h 55m

฿28,108

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 19/11

19:10-05:55

1 stop17h 45m

London Heathrow

Mon 23/11

20:05-17:15

1 stop14h 10m

฿29,452

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Mon 26/10

22:55-11:40

1 stop19h 45m

London Heathrow

Tue 10/11

22:00-20:15

1 stop15h 15m

฿32,273

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 21/10

23:50-14:25

1 stop20h 35m

London Heathrow

Wed 11/11

22:00-20:15

1 stop15h 15m

฿32,273

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 10/11

09:00-05:55

1 stop27h 55m

London Heathrow

Tue 2/2

08:25-13:25

2 stops22h 00m

฿33,213

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 7/8

05:05-18:40

1 stop19h 35m

London Heathrow

Sat 8/8

21:20-01:20

2 stops22h 00m

฿34,086

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sun 1/11

22:55-13:50

1 stop21h 55m

London Heathrow

Sun 8/11

15:50-20:15

1 stop21h 25m

฿34,724

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sat 14/11

22:55-13:50

1 stop21h 55m

London Heathrow

Wed 9/12

13:40-20:15

1 stop23h 35m

฿35,161

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 11/8

12:25-09:40

1 stop27h 15m

London Heathrow

Fri 21/8

15:30-14:50

2 stops17h 20m

฿36,336

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sun 9/8

23:55-12:25

1 stop18h 30m

London Heathrow

Wed 26/8

09:05-11:25

1 stop20h 20m

฿36,470

Flights are sorted by cheapest return flights first.

Deals found on 27/7

Showing 1-10 of 47 resultsSorted by cheapest first
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Best time to book a flight from Bangkok to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Bangkok with our price prediction graph.
Estimated return 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 Bangkok to London Heathrow Airport

What is the cheapest month to book a flight from Bangkok to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Bangkok to London Heathrow Airport (average of ฿30,493). Flying from Bangkok to London Heathrow Airport in August is currently the most expensive (average of ฿38,317). 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 BKK to LHR?

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

When flying from Bangkok to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Bangkok to London Heathrow Airport

Explore weekly flight availability from Bangkok to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 28 July 2026.

The most flights from TH1 to LHR are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost for a return flight from Bangkok to London Heathrow Airport?

Airfare is below average for this route at the moment.
Bangkok to London Heathrow Airport flights typically cost between ฿34,254 and ฿44,967 in September.
The cheapest return price found within the last 5 days was ฿27,907 on เอทิฮัดแอร์เวย์ (10 Sep–23 Sep).

How often are flights from Bangkok to London delayed?

About 11% of weekly flights between Bangkok and London have experienced delays in the past year, with the average delay time being 97 minutes.

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

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

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

Friday 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 Bangkok to London flights?

Over the past year, Thai Airways have had the lowest number of delays on this route, with just 10% of flights being delayed.

How far ahead should I book a flight from Bangkok to London Heathrow Airport?

The price you pay for your flight from Bangkok to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 58 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 28 July 2026.
Get a feel of what it's like to fly with EVA Air,Emirates, andโอมานแอร์ from Bangkok to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very Good
1,504 reviews
Check prices

Entertainment

8.0

Overall

8.5

Food

8.1

Comfort

8.3

Boarding

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
EVA Air
8.5
Very Good
1,504 reviews
EVA Air
8.5
Very Good
1,504 reviews
Check prices

Entertainment

8.0

Overall

8.5

Food

8.1

Comfort

8.3

Boarding

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
Emirates
8.1
Very Good
3,638 reviews
EVA Air
8.5
Very Good
1,504 reviews
Check prices

Entertainment

8.0

Overall

8.5

Food

8.1

Comfort

8.3

Boarding

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
โอมานแอร์
8.0
Very Good
133 reviews
EVA Air
8.5
Very Good
1,504 reviews
Check prices

Entertainment

8.0

Overall

8.5

Food

8.1

Comfort

8.3

Boarding

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
Thai Airways
7.9
Good
412 reviews
EVA Air
8.5
Very Good
1,504 reviews
Check prices

Entertainment

8.0

Overall

8.5

Food

8.1

Comfort

8.3

Boarding

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
เอทิฮัดแอร์เวย์
7.3
Good
1,492 reviews
EVA Air
8.5
Very Good
1,504 reviews
Check prices

Entertainment

8.0

Overall

8.5

Food

8.1

Comfort

8.3

Boarding

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Related info for your journey

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

  • How long is the flight from Bangkok to London Heathrow Airport?

    There are many flights that can get you from Bangkok to London Heathrow Airport in 16h 10m. Fly via โอมานแอร์, Emirates, or China Eastern to get the fastest option. Bangkok and London Heathrow Airport are separated by a distance of 9571 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Bangkok to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Bangkok to London Heathrow Airport return from ฿9,628. Other airlines that can offer you cheap pricing are เอทิฮัดแอร์เวย์, from ฿12,240, and Finnair, from ฿19,082. China Southern is currently priced 72% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Bangkok to London Heathrow Airport one-way?

    The cheapet airlines for a one-way flight from Bangkok to London Heathrow Airport are สแกนดอเนเวียนแอร์ไลน์ (฿6,522), เอทิฮัดแอร์เวย์ (฿6,935), and ไห่หนานแอร์ไลน์ (฿7,565).

  • What are the most reliable airlines from Bangkok to London Heathrow Airport?

    Before booking your flight to London Heathrow Airport from Bangkok, have a look at the most reliable airlines to get you to your destination on time: แอร์แคนาดา (85%), TAP ปอร์ตูกัล (85%), Thai Airways( 79%).

  • What are the cheapest flights from Bangkok to London Heathrow Airport?

    On average you can expect to pay ฿55,503 for a flight from Bangkok to London Heathrow Airport. The cheapest flight overall is ฿13,929 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at ฿23,105.

  • Can I find deals for flights from Bangkok to Heathrow that include hotel bookings?

    Yes. In addition to deals on Bangkok to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Bangkok to Heathrow?

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

  • Can I find deals for business class flights from Bangkok to Heathrow?

    Yes. Cheapflights offers flight deals from Bangkok to Heathrow 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 Bangkok to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Bangkok to London Heathrow Airport (average of ฿30,493). Flying from Bangkok to London Heathrow Airport in August is currently the most expensive (average of ฿38,317). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Brentford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Bangkok to Heathrow

Discover the top 10 airlines that operate flights from Bangkok to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 28 July 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest฿9,628Average฿25,389FlexibilityNo cancel feeOn-time69%
Search China Southern flights
เอทิฮัดแอร์เวย์Cheapest฿12,240Average฿28,649FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights
FinnairCheapest฿19,082Average฿29,821FlexibilityNo cancel feeOn-time76%
Search Finnair flights
โอมานแอร์Cheapest฿22,033Average฿26,929FlexibilityNo cancel feeOn-time76%
Search โอมานแอร์ flights
China EasternCheapest฿24,537Average฿27,523FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Qatar AirwaysCheapest฿28,874Average฿32,417FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest฿28,997Average฿33,673FlexibilityNo cancel feeOn-time75%
Search Emirates flights
บริติชแอร์เวย์Cheapest฿29,368Average฿37,945FlexibilityNo cancel feeOn-time70%
Search บริติชแอร์เวย์ flights
EVA AirCheapest฿32,792Average฿38,185FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Thai AirwaysCheapest฿37,030Average฿44,533FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Bangkok to Heathrow?

When you search for this flight from Bangkok to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Bangkok to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Bangkok by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Bangkok to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Bangkok shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Bangkok to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Bangkok to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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