Cheap flights from Bangkok to London Heathrow Airport from £193

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
15 Feb — 22 Feb1
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 56 days in advance, depart on a Monday or Wednesday and return on a Tuesday

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 16 January 2026.

Round-trip from

£449

One-way from

£193

Popular in

April

Cheapest in

November

Average price

£779
SAUDIA
  • SAUDIA
  • 5/2-3/3
  • 3 total stops
  • 55h 50m total
  • Bangkok to London
Scandinavian Airlines
  • Scandinavian Airlines
  • 26/1
  • 3 total stops
  • 43h 30m total
  • Bangkok to London
Highest demand for flights based on searches. 2% potential increase in price (£14 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in January 2026

Find 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 16 January 2026.

Thu 12/311:10
BKK
-
LHR
2 stops37h 25m
Multiple Airlines
Mon 16/310:00
LHR
-
BKK
1 stop20h 40m
Multiple Airlines
Deal found 15/1£444
Thu 5/219:10
BKK
-
LHR
2 stops29h 25m
Hainan Airlines
Wed 18/219:45
LHR
-
BKK
1 stop31h 20m
Hainan Airlines
Deal found 14/1£450
Thu 5/211:10
BKK
-
LHR
1 stop37h 25m
Multiple Airlines
Sun 8/222:05
LHR
-
BKK
1 stop18h 25m
Multiple Airlines
Deal found 14/1£452
Thu 5/211:10
BKK
-
LHR
2 stops37h 25m
Multiple Airlines
Tue 17/221:00
LHR
-
BKK
1 stop19h 55m
Multiple Airlines
Deal found 14/1£454
Tue 26/519:20
BKK
-
LHR
1 stop30h 10m
Multiple Airlines
Thu 18/621:20
LHR
-
BKK
1 stop24h 45m
Multiple Airlines
Deal found 14/1£457
Sun 25/119:10
BKK
-
LHR
2 stops29h 45m
Multiple Airlines
Wed 4/210:00
LHR
-
BKK
1 stop20h 40m
Multiple Airlines
Deal found 14/1£458
Thu 28/511:05
BKK
-
LHR
2 stops38h 25m
Multiple Airlines
Thu 18/621:20
LHR
-
BKK
1 stop21h 20m
Multiple Airlines
Deal found 15/1£462
Sun 25/119:10
BKK
-
LHR
2 stops29h 45m
Multiple Airlines
Mon 2/221:00
LHR
-
BKK
1 stop18h 25m
Multiple Airlines
Deal found 14/1£465
Sun 25/119:10
BKK
-
LHR
2 stops29h 45m
Multiple Airlines
Thu 5/222:05
LHR
-
BKK
1 stop18h 25m
Multiple Airlines
Deal found 14/1£470
Wed 1/417:00
DMK
-
LHR
2 stops24h 30m
Multiple Airlines
Sun 12/422:10
LHR
-
DMK
1 stop21h 45m
Multiple Airlines
Deal found 14/1£602
Sun 1/213:40
DMK
-
LHR
1 stop28h 50m
Multiple Airlines
Thu 5/214:15
LHR
-
DMK
2 stops21h 35m
Multiple Airlines
Deal found 14/1£625
Thu 5/220:55
DMK
-
LHR
1 stop21h 10m
Multiple Airlines
Wed 18/221:05
LHR
-
DMK
2 stops26h 30m
Multiple Airlines
Deal found 14/1£628

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 16 January 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

Fri 3/4

19:10-06:30

1 stop17h 20m

London Heathrow

Tue 21/4

20:50-17:45

1 stop14h 55m

£560

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 27/6

19:10-06:30

1 stop17h 20m

London Heathrow

Fri 3/7

08:25-12:45

1 stop22h 20m

£560

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 3/4

19:10-19:10

1 stop30h 00m

London Heathrow

Fri 17/4

20:50-06:55

1 stop28h 05m

£560

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 31/3

09:00-19:10

1 stop16h 10m

London Heathrow

Tue 21/4

20:50-17:45

1 stop14h 55m

£560

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 31/3

09:00-19:10

1 stop16h 10m

London Heathrow

Sun 19/4

08:25-06:55

1 stop16h 30m

£560

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 3/4

19:10-06:30

1 stop17h 20m

London Heathrow

Thu 23/4

20:50-17:45

1 stop14h 55m

£560

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 8/5

19:10-06:30

1 stop17h 20m

London Heathrow

Sat 13/6

08:25-06:55

1 stop16h 30m

£564

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 1/4

17:00-11:30

2 stops24h 30m

London Heathrow

Sun 12/4

22:10-01:55

1 stop21h 45m

£602

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Tue 17/3

20:55-11:05

1 stop21h 10m

London Heathrow

Sat 21/3

20:05-22:50

2 stops19h 45m

£653

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sat 2/5

20:50-10:15

1 stop19h 25m

London Heathrow

Sun 17/5

22:10-06:30

2 stops26h 20m

£662

Flights are sorted by cheapest return flights first.

Deals found on 15/1

Showing 1-10 of 45 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 9 January 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 56 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, February is the cheapest month in which you can book a flight from Bangkok to London Heathrow Airport (average of £493). Flying from Bangkok to London Heathrow Airport in September is currently the most expensive (average of £576). 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 16 January 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 16 January 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 often are flights from Bangkok to London delayed?

About 14% of weekly flights between Bangkok and London have experienced delays in the past year, with the average delay time being 89 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 Saturday 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 9% 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 16 January 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.

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.

Boarding

8.4

Food

8.1

Comfort

8.3

Overall

8.4

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.

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 £560, 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 £234 on this airline. Additional options worth looking into are Oman Air and Air India, starting at £247 and £332 round-trip. These flights start at 68% 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 Scandinavian Airlines, with whom users have recently found tickets for as low as £134. However, be on the lookout for offers from Etihad Airways and China Eastern, 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 (95%), Thai Airways (93%) or EVA Air (93%) 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 £951 for a flight from Bangkok to London Heathrow Airport. The cheapest flight overall is £378 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at £440.

  • 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, February is the cheapest month in which you can book a flight from Bangkok to London Heathrow Airport (average of £493). Flying from Bangkok to London Heathrow Airport in September is currently the most expensive (average of £576). 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
Northampton
Slough
Gatwick
Hounslow
Wembley
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Kingston upon Thames
Swindon
Bedford
Chelmsford
Eastbourne
Romford

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 16 January 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£234Average£521FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Oman AirCheapest£247Average£614FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Air IndiaCheapest£332Average£645FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Turkish AirlinesCheapest£381Average£586FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Austrian AirlinesCheapest£437Average£673FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
SAUDIACheapest£487Average£554FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
China EasternCheapest£506Average£596FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Kuwait AirwaysCheapest£512Average£582FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Etihad AirwaysCheapest£514Average£630FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
SWISSCheapest£547Average£702FlexibilityNo cancel feeOn-time79%
Search SWISS flights

Fly with Cheapflights

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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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