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Cheap flights from Bangkok to London Heathrow Airport from £209

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 31/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
20 Mar — 27 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Bangkok to London Heathrow are usually found in November or June, booked 45 days in advance, depart on a Monday or Tuesday and return on a Tuesday

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 18 February 2026.

Tue 31/311:05
BKK
-
LHR
1 stop38h 25m
Multiple Airlines
Tue 7/420:25
LHR
-
BKK
1 stop21h 45m
Multiple Airlines
Deal found 13/2£457
Thu 21/511:05
BKK
-
LHR
2 stops38h 25m
Multiple Airlines
Wed 27/522:40
LHR
-
BKK
1 stop19h 30m
Multiple Airlines
Deal found 16/2£460
Thu 7/519:20
BKK
-
LHR
2 stops30h 10m
Multiple Airlines
Wed 13/522:40
LHR
-
BKK
1 stop19h 30m
Multiple Airlines
Deal found 17/2£460
Thu 2/411:05
BKK
-
LHR
2 stops38h 25m
Multiple Airlines
Thu 9/422:40
LHR
-
BKK
1 stop37h 40m
Multiple Airlines
Deal found 16/2£462
Thu 26/311:10
BKK
-
LHR
2 stops37h 25m
Multiple Airlines
Wed 8/422:40
LHR
-
BKK
1 stop19h 30m
Multiple Airlines
Deal found 16/2£466
Thu 12/311:10
BKK
-
LHR
1 stop37h 25m
Multiple Airlines
Tue 17/322:10
LHR
-
BKK
1 stop35h 30m
Multiple Airlines
Deal found 14/2£468
Thu 2/419:20
BKK
-
LHR
2 stops30h 10m
Multiple Airlines
Sat 2/522:40
LHR
-
BKK
1 stop19h 30m
Multiple Airlines
Deal found 14/2£468
Thu 5/319:10
BKK
-
LHR
2 stops29h 25m
Multiple Airlines
Thu 12/306:40
LHR
-
BKK
2 stops20h 30m
Multiple Airlines
Deal found 14/2£469
Thu 7/511:05
BKK
-
LHR
2 stops38h 25m
Multiple Airlines
Tue 26/522:00
LHR
-
BKK
1 stop37h 05m
Multiple Airlines
Deal found 14/2£474
Tue 31/319:20
BKK
-
LHR
1 stop30h 10m
Multiple Airlines
Wed 6/522:40
LHR
-
BKK
1 stop19h 30m
Multiple Airlines
Deal found 14/2£475
Tue 10/322:50
DMK
-
LHR
2 stops24h 30m
Multiple Airlines
Tue 17/321:05
LHR
-
DMK
1 stop18h 45m
Multiple Airlines
Deal found 15/2£581
Mon 23/313:40
DMK
-
LHR
2 stops28h 25m
Multiple Airlines
Thu 23/420:35
LHR
-
DMK
1 stop20h 10m
Multiple Airlines
Deal found 14/2£594

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 18 February 2026.

Round-trip from

£457

One-way from

£209

Popular in

April

Cheapest in

November

Average price

£744
Air China
  • Air China
  • 31/3-7/4
  • 2 total stops
  • 60h 10m total
  • Bangkok to London
Search Deals
31/3
  • 31/3
  • 2 total stops
  • 37h 55m total
  • Bangkok to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£24 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 858,174 searches. Data last updated 18 February 2026.
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

Thu 2/4

19:10-06:30

1 stop17h 20m

London Heathrow

Thu 16/4

20:50-06:50

1 stop28h 00m

£558

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 12/6

13:20-18:40

3 stops35h 20m

London Heathrow

Thu 25/6

21:20-03:20

2 stops24h 00m

£559

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 19/3

20:05-18:25

1 stop29h 20m

London Heathrow

Mon 27/4

08:25-06:50

1 stop16h 25m

£561

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 30/3

19:10-19:10

1 stop30h 00m

London Heathrow

Sun 3/5

08:25-06:55

1 stop16h 30m

£564

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 9/5

19:10-06:30

1 stop17h 20m

London Heathrow

Mon 25/5

08:25-06:50

1 stop16h 25m

£564

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 30/3

19:10-19:10

1 stop30h 00m

London Heathrow

Tue 5/5

20:50-17:45

1 stop14h 55m

£564

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 20/6

19:10-06:30

1 stop17h 20m

London Heathrow

Mon 6/7

20:50-06:55

1 stop28h 05m

£589

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 9/5

19:10-06:30

1 stop17h 20m

London Heathrow

Sat 20/6

08:25-06:55

1 stop16h 30m

£604

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 19/3

14:40-06:40

1 stop23h 00m

London Heathrow

Tue 28/4

14:45-11:50

1 stop15h 05m

£613

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 4/3

20:10-12:05

2 stops22h 55m

London Heathrow

Sun 8/3

22:00-04:50

1 stop23h 50m

£622

Flights are sorted by cheapest return flights first.

Deals found on 14/2

Showing 1-10 of 44 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 13 February 2026.

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 45 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 £425). Flying from Bangkok to London Heathrow Airport in April is currently the most expensive (average of £598). 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 18 February 2026.

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

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 18 February 2026.

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?

How often are flights from Bangkok to London delayed?

About 13% of weekly flights between Bangkok and London have experienced delays in the past year, with the average delay time being 90 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?

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 Bangkok to London flights?

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

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 18 February 2026.
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.
EVA Air
8.4
Very Good
1,354 reviews
Check prices

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
EVA Air
8.4
Very Good
1,354 reviews
EVA Air
8.4
Very Good
1,354 reviews
Check prices

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
Emirates
8.1
Very Good
3,521 reviews
EVA Air
8.4
Very Good
1,354 reviews
Check prices

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
Thai Airways
7.8
Good
382 reviews
EVA Air
8.4
Very Good
1,354 reviews
Check prices

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
Qatar Airways
7.4
Good
3,738 reviews
EVA Air
8.4
Very Good
1,354 reviews
Check prices

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
Etihad Airways
7.3
Good
1,397 reviews
EVA Air
8.4
Very Good
1,354 reviews
Check prices

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.

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 £558, Oman Air can have you in London Heathrow Airport from Bangkok in 17h 20m. 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 £211 on this airline. Additional options worth looking into are Oman Air and Austrian Airlines, starting at £244 and £432 round-trip. These flights start at 71% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is Norse Atlantic UK, with whom users have recently found tickets for as low as £115. However, be on the lookout for offers from Scandinavian Airlines and Hainan Airlines, as they are both options that can get you from Bangkok to London Heathrow Airport for a low price.

  • 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 Air Canada (92%), Thai Airways (78%) or EVA Air (71%) 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 £996 for a flight from Bangkok to London Heathrow Airport. The cheapest flight overall is £370 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at £462.

  • 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, January is the cheapest month in which you can book a flight from Bangkok to London Heathrow Airport (average of £425). Flying from Bangkok to London Heathrow Airport in April is currently the most expensive (average of £598). 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
Milton Keynes
Croydon
Luton
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Ipswich
Swindon

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 858,174 searches. Data last updated 18 February 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£211Average£515FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Oman AirCheapest£244Average£596FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Austrian AirlinesCheapest£432Average£666FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
SAUDIACheapest£481Average£548FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
China EasternCheapest£500Average£570FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Kuwait AirwaysCheapest£506Average£571FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Etihad AirwaysCheapest£508Average£622FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest£584Average£697FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
SWISSCheapest£595Average£704FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Gulf AirCheapest£612Average£642FlexibilityNo cancel feeOn-time67%
Search Gulf Air 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?

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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