Cheap flights from Bangkok to London Heathrow Airport from £245
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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
3 Sep — 10 Sep1
Return
1 adult
Economy
Cheapflights Tip: The best prices from Bangkok to London Heathrow are usually found in March or May, booked 27 days in advance, depart on a Wednesday or Monday and return on a Wednesday
Cheap 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 29 August 2025.
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 29 August 2025.
Thu 4/921:55BKK - LHR
1 stop26h 45mChina Eastern
Thu 2/1021:20LHR - BKK
1 stop24h 45mChina Eastern
Deal found 29/8£524
Sun 12/1003:00BKK - LHR
1 stop22h 00mMultiple Airlines
Mon 20/1022:00LHR - BKK
2 stops30h 00mMultiple Airlines
Deal found 28/8£525
Tue 11/1102:10BKK - LHR
1 stop23h 05mMultiple Airlines
Wed 19/1117:40LHR - BKK
1 stop17h 25mMultiple Airlines
Deal found 27/8£526
Mon 29/919:30BKK - LHR
1 stop28h 20mMultiple Airlines
Sat 4/1022:40LHR - BKK
1 stop19h 30mMultiple Airlines
Deal found 28/8£526
Thu 16/1003:00BKK - LHR
1 stop22h 00mChina Southern
Tue 21/1022:10LHR - BKK
1 stop17h 50mChina Southern
Deal found 28/8£528
Sat 6/920:50BKK - LHR
2 stops27h 50mMultiple Airlines
Mon 15/922:05LHR - BKK
1 stop22h 10mMultiple Airlines
Deal found 29/8£528
Fri 10/1003:00BKK - LHR
2 stops43h 15mChina Southern
Tue 28/1022:00LHR - BKK
1 stop33h 30mChina Southern
Deal found 27/8£529
Thu 4/901:30BKK - LHR
1 stop25h 00mAir China
Fri 3/1020:25LHR - BKK
1 stop21h 40mAir China
Deal found 27/8£530
Wed 3/901:30BKK - LHR
1 stop25h 00mAir China
Thu 11/922:40LHR - BKK
1 stop37h 30mAir China
Deal found 28/8£531
Mon 3/1101:55BKK - LHR
1 stop22h 35mChina Eastern
Thu 20/1121:00LHR - BKK
1 stop21h 55mChina Eastern
Deal found 28/8£531
Sun 5/1003:00BKK - LHR
1 stop22h 00mChina Southern
Thu 27/1121:30LHR - BKK
2 stops37h 25mChina Southern
Deal found 28/8£532
Sun 7/919:35BKK - LHR
1 stop30h 55mAir China
Sun 19/1020:25LHR - BKK
1 stop21h 45mAir China
Deal found 28/8£533
Best flights from Bangkok to Heathrow
Discover carefully curated flight deals from Bangkok to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2025.
Sun 12/1003:00BKK - LHR
1 stop22h 00mMultiple Airlines
Mon 20/1022:00LHR - BKK
2 stops30h 00mMultiple Airlines
Deal found 28/8£525
Thu 16/1003:00BKK - LHR
1 stop22h 00mChina Southern
Tue 21/1022:10LHR - BKK
1 stop17h 50mChina Southern
Deal found 28/8£528
Thu 16/1015:25BKK - LHR
1 stop22h 05mSAUDIA
Sun 2/1122:05LHR - BKK
1 stop18h 25mSAUDIA
Deal found 28/8£532
Mon 27/1011:20BKK - LHR
1 stop26h 55mMultiple Airlines
Thu 30/1021:35LHR - BKK
1 stop31h 55mMultiple Airlines
Deal found 29/8£526
Mon 6/1020:20BKK - LHR
1 stop28h 40mChina Southern
Tue 25/1121:30LHR - BKK
2 stops20h 35mChina Southern
Deal found 28/8£532
Mon 29/919:30BKK - LHR
1 stop28h 20mMultiple Airlines
Sat 4/1022:40LHR - BKK
1 stop19h 30mMultiple Airlines
Deal found 28/8£526
Wed 17/1219:55BKK - LHR
1 stop29h 20mChina Southern
Thu 8/122:00LHR - BKK
1 stop17h 30mChina Southern
Deal found 29/8£534
Tue 16/1212:25BKK - LHR
1 stop36h 50mChina Southern
Thu 8/122:00LHR - BKK
1 stop17h 30mChina Southern
Deal found 29/8£534
Tue 4/1118:55BKK - LHR
1 stop30h 20mMultiple Airlines
Fri 21/1117:40LHR - BKK
1 stop23h 30mMultiple Airlines
Deal found 28/8£534
Sun 21/1218:55BKK - LHR
1 stop30h 20mChina Southern
Thu 8/122:00LHR - BKK
1 stop17h 30mChina Southern
Deal found 29/8£534
Sat 27/920:25DMK - LHR
2 stops22h 15mMultiple Airlines
Sat 4/1022:00LHR - DMK
1 stop20h 15mMultiple Airlines
Deal found 28/8£571
Tue 16/916:25DMK - LHR
3 stops28h 40mMultiple Airlines
Mon 22/916:35LHR - DMK
3 stops22h 55mMultiple Airlines
Deal found 28/8£577
Direct flights from Bangkok to Heathrow
Explore direct flight options from Bangkok to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 August 2025.
Mon 15/912:45BKK - LHR
Nonstop12h 35mEVA Air
Sun 28/921:35LHR - BKK
Nonstop11h 55mEVA Air
Deal found 28/8£705
Wed 24/912:45BKK - LHR
Nonstop12h 35mEVA Air
Wed 1/1021:35LHR - BKK
Nonstop11h 55mEVA Air
Deal found 27/8£711
Thu 25/912:45BKK - LHR
Nonstop12h 35mEVA Air
Sat 27/921:35LHR - BKK
Nonstop11h 55mEVA Air
Deal found 26/8£712
Wed 24/912:45BKK - LHR
Nonstop12h 35mEVA Air
Wed 12/1121:20LHR - BKK
Nonstop11h 40mEVA Air
Deal found 28/8£713
Fri 26/912:45BKK - LHR
Nonstop12h 35mEVA Air
Sun 28/921:35LHR - BKK
Nonstop11h 55mEVA Air
Deal found 27/8£714
Wed 24/912:45BKK - LHR
Nonstop12h 35mEVA Air
Tue 30/921:35LHR - BKK
Nonstop11h 55mEVA Air
Deal found 29/8£715
Mon 23/212:40BKK - LHR
Nonstop13h 25mEVA Air
Mon 2/321:20LHR - BKK
Nonstop11h 40mEVA Air
Deal found 26/8£728
Wed 17/912:45BKK - LHR
Nonstop12h 35mEVA Air
Tue 30/921:35LHR - BKK
Nonstop11h 55mEVA Air
Deal found 28/8£730
Mon 29/912:45BKK - LHR
Nonstop12h 35mEVA Air
Mon 13/1021:35LHR - BKK
Nonstop11h 55mEVA Air
Deal found 28/8£731
Thu 5/212:40BKK - LHR
Nonstop13h 25mEVA Air
Fri 20/221:20LHR - BKK
Nonstop11h 40mEVA Air
Deal found 29/8£734
Mon 27/1012:40BKK - LHR
Nonstop13h 25mEVA Air
Thu 30/1021:20LHR - BKK
Nonstop11h 40mEVA Air
Deal found 27/8£734
Sun 28/912:45BKK - LHR
Nonstop12h 35mEVA Air
Sun 5/1021:35LHR - BKK
Nonstop11h 55mEVA Air
Deal found 29/8£736
Last-minute flights from Bangkok to Heathrow
Discover last-minute flight deals from Bangkok to Heathrow. Data last updated 29 August 2025 and is based on user searches.
Wed 3/901:30BKK - LHR
1 stop25h 00mAir China
Thu 11/922:40LHR - BKK
1 stop37h 30mAir China
Deal found 28/8£531
Thu 4/921:55BKK - LHR
1 stop26h 45mChina Eastern
Thu 2/1021:20LHR - BKK
1 stop24h 45mChina Eastern
Deal found 29/8£524
Thu 4/901:30BKK - LHR
1 stop25h 00mAir China
Fri 3/1020:25LHR - BKK
1 stop21h 40mAir China
Deal found 27/8£530
Sat 6/920:50BKK - LHR
2 stops27h 50mMultiple Airlines
Mon 15/922:05LHR - BKK
1 stop22h 10mMultiple Airlines
Deal found 29/8£528
Sun 7/919:35BKK - LHR
1 stop30h 55mAir China
Sun 19/1020:25LHR - BKK
1 stop21h 45mAir China
Deal found 28/8£533
Tue 9/902:10BKK - LHR
1 stop22h 30mChina Eastern
Wed 12/1121:00LHR - BKK
1 stop21h 55mChina Eastern
Deal found 28/8£534
Tue 9/919:10BKK - LHR
1 stop29h 30mChina Eastern
Tue 14/1021:20LHR - BKK
1 stop17h 35mChina Eastern
Deal found 27/8£537
Tue 16/914:45BKK - LHR
1 stop25h 30mMultiple Airlines
Fri 19/922:05LHR - BKK
1 stop22h 10mMultiple Airlines
Deal found 28/8£531
Tue 16/916:25DMK - LHR
3 stops28h 40mMultiple Airlines
Mon 22/916:35LHR - DMK
3 stops22h 55mMultiple Airlines
Deal found 28/8£577
Fri 26/908:20BKK - LHR
1 stop16h 40mChina Southern
Sun 28/922:10LHR - BKK
1 stop21h 20mChina Southern
Deal found 27/8£532
Sat 27/920:25DMK - LHR
2 stops22h 15mMultiple Airlines
Sat 4/1022:00LHR - DMK
1 stop20h 15mMultiple Airlines
Deal found 28/8£571
Mon 29/919:30BKK - LHR
1 stop28h 20mMultiple Airlines
Sat 4/1022:40LHR - BKK
1 stop19h 30mMultiple Airlines
Deal found 28/8£526
One-way flights from Bangkok to Heathrow
Search for one-way flight options from Bangkok to Heathrow. Find affordable one-way fares based on user searches. Data last updated 29 August 2025.
Wed 24/920:25DMK - LHR
2 stops22h 15mMultiple Airlines
Deal found 28/8£245
Wed 3/901:30BKK - LHR
1 stop25h 00mAir China
Deal found 29/8£245
Fri 26/920:25DMK - LHR
2 stops30h 05mMultiple Airlines
Deal found 27/8£246
Thu 4/913:55BKK - LHR
2 stops34h 45mChina Eastern
Deal found 27/8£246
Wed 3/910:40DMK - LHR
2 stops38h 00mMultiple Airlines
Deal found 27/8£246
Thu 25/911:05BKK - LHR
2 stops38h 25mHainan Airlines
Deal found 28/8£246
Thu 4/911:05BKK - LHR
2 stops38h 25mHainan Airlines
Deal found 28/8£247
Fri 5/902:10BKK - LHR
1 stop22h 30mChina Eastern
Deal found 29/8£248
Wed 1/1021:05BKK - LHR
2 stops21h 35mMultiple Airlines
Deal found 28/8£249
Mon 15/1221:55DMK - LHR
2 stops26h 35mMultiple Airlines
Deal found 29/8£249
Sat 15/1101:30BKK - LHR
1 stop21h 25mAir China
Deal found 28/8£249
Tue 9/901:30BKK - LHR
1 stop25h 00mAir China
Deal found 26/8£250
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 858,174 searches. Data last updated 29 August 2025.
Use the filters below to find and compare flights from Bangkok to London Heathrow Airport that are best for you.
Fly from
Bangkok
Fly to
Heathrow
Route
Depart
Return
Price
BangkokLondon
BKK - LHR
BKKLHR
Bangkok Suvarnabhumi
Sun 12/10
03:00-19:00
1 stop22h 00m
London Heathrow
Mon 20/10
22:00-10:00
2 stops30h 00m
£525
BangkokLondon
BKK - LHR
BKKLHR
Bangkok Suvarnabhumi
Mon 27/10
11:20-07:15
1 stop26h 55m
London Heathrow
Thu 30/10
21:35-12:30
1 stop31h 55m
£526
BangkokLondon
BKK - LHR
BKKLHR
Bangkok Suvarnabhumi
Mon 29/9
19:30-17:50
1 stop28h 20m
London Heathrow
Sat 4/10
22:40-00:10
1 stop19h 30m
£526
BangkokLondon
BKK - LHR
BKKLHR
Bangkok Suvarnabhumi
Thu 16/10
03:00-19:00
1 stop22h 00m
London Heathrow
Tue 21/10
22:10-22:00
1 stop17h 50m
£528
BangkokLondon
BKK - LHR
BKKLHR
Bangkok Suvarnabhumi
Thu 16/10
15:25-07:30
1 stop22h 05m
London Heathrow
Sun 2/11
22:05-23:30
1 stop18h 25m
£532
BangkokLondon
BKK - LHR
BKKLHR
Bangkok Suvarnabhumi
Mon 6/10
20:20-19:00
1 stop28h 40m
London Heathrow
Tue 25/11
21:30-01:05
2 stops20h 35m
£532
BangkokLondon
BKK - LHR
BKKLHR
Bangkok Suvarnabhumi
Wed 17/12
19:55-18:15
1 stop29h 20m
London Heathrow
Thu 8/1
22:00-22:30
1 stop17h 30m
£534
BangkokLondon
BKK - LHR
BKKLHR
Bangkok Suvarnabhumi
Tue 16/12
12:25-18:15
1 stop36h 50m
London Heathrow
Thu 8/1
22:00-22:30
1 stop17h 30m
£534
BangkokLondon
BKK - LHR
BKKLHR
Bangkok Suvarnabhumi
Tue 4/11
18:55-18:15
1 stop30h 20m
London Heathrow
Fri 21/11
17:40-00:10
1 stop23h 30m
£534
BangkokLondon
BKK - LHR
BKKLHR
Bangkok Suvarnabhumi
Sun 21/12
18:55-18:15
1 stop30h 20m
London Heathrow
Thu 8/1
22:00-22:30
1 stop17h 30m
£534
Flights are sorted by cheapest return flights first.
Deals found on 28/8
Showing 1-10 of 42 results
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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
How far ahead should I book a flight from Bangkok to London Heathrow Airport?
Use this chart to determine the optimal time to book a return flight from Bangkok to Heathrow. Price data was last updated on 22 August 2025.
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 27 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Bangkok to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Bangkok to London Heathrow Airport (average of £112). Flying from Bangkok to London Heathrow Airport in August is currently the most expensive (average of £164). 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 29 August 2025.
Unlike in the evening, when flights are generally more expensive, you can save up to 24% on flights from Bangkok to London Heathrow Airport by exploring options for tickets in the afternoon.
What is the cheapest day to fly from Bangkok to London Heathrow Airport?
Use this chart to determine the cheapest time to fly return from Bangkok to Heathrow. Price data was last updated on 24 August 2025.
Travellers seeking maximum savings on their Bangkok to London Heathrow Airport flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 29 August 2025.
The most flights from TH1 to LHR are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost for a return flight from Bangkok to London Heathrow Airport?
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 29 August 2025.
Check out reviews from past customers who have flown with EVA Air, Emirates, andThai Airways from Bangkok to London Heathrow Airport 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.
I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
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?
For as low as £528, China Southern can have you in London Heathrow Airport from Bangkok in 22h. The distance from Bangkok to London Heathrow Airport is about 5947 mi.
What are the cheapest airlines flying from Bangkok to London Heathrow Airport round-trip?
Our cheapest airline available from Bangkok to London Heathrow Airport is China Southern. Our recent data shows that you can find tickets from as low as £236 on this airline. Additional options worth looking into are Air India and Air China, starting at £345 and £447 round-trip. These flights start at 68% lower than the current average price 3 months from now.
What are the most reliable airlines from Bangkok to London Heathrow Airport?
No one likes to see their flight delayed. When booking a flight from Bangkok to London Heathrow Airport consider choosing EVA Air (84%), Thai Airways (81%) or Air Canada (75%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Bangkok to London Heathrow Airport?
On average you can expect to pay £1,188 for a flight from Bangkok to London Heathrow Airport. The cheapest flight overall is £291 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at £485.
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, January is the cheapest month in which you can book a flight from Bangkok to London Heathrow Airport (average of £112). Flying from Bangkok to London Heathrow Airport in August is currently the most expensive (average of £164). 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.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 29 August 2025.
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 858,174 searches. Data last updated 29 August 2025.
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?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Bangkok today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Bangkok to Heathrow?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Bangkok.
Can Cheapflights find flights from Bangkok to Heathrow with no change fees?
Yes, we can. To see specific flights from Bangkok to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Bangkok to Heathrow become cheaper?
Of course! You can now track prices for flights from Bangkok to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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