Cheap flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport from £249

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
15 Apr — 22 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Bangkok Suvarnabhumi to London Heathrow are usually found in November or February, booked 61 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Suvarnabhumi to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Suvarnabhumi to Heathrow
Explore the most affordable flight options available from Suvarnabhumi to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 March 2026.

Thu 7/520:15
BKK
-
LHR
1 stop27h 30m
Multiple Airlines
Wed 20/522:00
LHR
-
BKK
1 stop30h 00m
Multiple Airlines
Deal found 13/3£515
Tue 28/422:45
BKK
-
LHR
1 stop25h 25m
Multiple Airlines
Tue 5/522:00
LHR
-
BKK
1 stop37h 05m
Multiple Airlines
Deal found 14/3£515
Sun 10/511:05
BKK
-
LHR
2 stops38h 25m
Multiple Airlines
Wed 3/621:20
LHR
-
BKK
1 stop17h 35m
Multiple Airlines
Deal found 14/3£516
Thu 11/611:20
BKK
-
LHR
1 stop38h 00m
Multiple Airlines
Mon 15/620:25
LHR
-
BKK
1 stop21h 45m
Multiple Airlines
Deal found 16/3£517
Tue 28/422:45
BKK
-
LHR
1 stop25h 25m
Multiple Airlines
Tue 26/522:00
LHR
-
BKK
1 stop37h 05m
Multiple Airlines
Deal found 12/3£518
Fri 1/520:15
BKK
-
LHR
1 stop27h 30m
Multiple Airlines
Wed 20/516:15
LHR
-
BKK
1 stop15h 30m
Multiple Airlines
Deal found 12/3£519
Sun 3/520:15
BKK
-
LHR
1 stop27h 30m
Multiple Airlines
Sun 31/522:40
LHR
-
BKK
1 stop19h 30m
Multiple Airlines
Deal found 16/3£520
Wed 29/420:15
BKK
-
LHR
1 stop27h 30m
Multiple Airlines
Wed 6/522:40
LHR
-
BKK
1 stop19h 30m
Multiple Airlines
Deal found 15/3£521
Mon 27/422:45
BKK
-
LHR
1 stop25h 25m
Multiple Airlines
Mon 4/516:15
LHR
-
BKK
1 stop15h 30m
Multiple Airlines
Deal found 13/3£522
Fri 1/520:15
BKK
-
LHR
1 stop27h 30m
Multiple Airlines
Thu 7/509:45
LHR
-
BKK
1 stop15h 55m
Multiple Airlines
Deal found 12/3£523

Find flight deals from Suvarnabhumi to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Suvarnabhumi (BKK) 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 March 2026.

Round-trip from

£515

One-way from

£249

Popular in

April

Cheapest in

November

Average price

£797

Good round-trip deal

£724 or less

Good one-way deal

£571 or less
Hainan Airlines
  • Hainan Airlines
  • 7/5-20/5
  • 2 total stops
  • 57h 30m total
  • Bangkok to London
22/4
  • 22/4
  • 2 total stops
  • 39h 55m total
  • Bangkok to London
Highest demand for flights based on searches. 4% potential increase in price (£28 potential increase over avg. return price).
Cheapest flight prices on average. 0% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Bangkok Suvarnabhumi to London Heathrow.
Price to beat on a one-way flight from Bangkok Suvarnabhumi to London Heathrow.

Cheapflights Fare Finder

 
Customise your flight search to find flights from Suvarnabhumi 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 March 2026.
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

Cheapest return flight

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 14/5

09:00-06:30

1 stop27h 30m

London Heathrow

Sat 16/5

20:50-06:55

1 stop28h 05m

£537

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 9/9

19:10-19:10

1 stop30h 00m

London Heathrow

Wed 16/9

20:50-06:55

1 stop28h 05m

£569

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 29/3

14:55-07:50

1 stop22h 55m

London Heathrow

Wed 15/4

09:30-12:10

1 stop20h 40m

£611

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 29/3

19:10-06:30

1 stop17h 20m

London Heathrow

Fri 12/6

20:50-13:25

2 stops34h 35m

£678

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 5/4

03:15-18:45

1 stop21h 30m

London Heathrow

Fri 10/4

09:30-12:10

1 stop20h 40m

£715

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 26/8

07:05-15:10

1 stop38h 05m

London Heathrow

Wed 23/9

10:20-05:30

1 stop37h 10m

£729

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 9/7

03:00-18:40

2 stops21h 40m

London Heathrow

Sun 12/7

21:20-20:55

1 stop17h 35m

£731

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 28/4

11:50-18:40

1 stop36h 50m

London Heathrow

Sat 3/10

21:20-12:20

2 stops33h 00m

£791
Fastest return journey

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 1/5

03:15-12:45

1 stop15h 30m

London Heathrow

Fri 15/5

09:30-11:00

2 stops19h 30m

£963

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 27/6

07:05-09:10

1 stop32h 05m

London Heathrow

Fri 3/7

14:55-05:30

2 stops32h 35m

£1,014

Flights are sorted by cheapest return flights first.

Deals found on 16/3

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Suvarnabhumi to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Suvarnabhumi 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 Suvarnabhumi Airport to London Heathrow Airport

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

Use this chart to determine the optimal time to book a return flight from Suvarnabhumi to Heathrow. Price data was last updated on 13 March 2026.

The price you pay for your flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 61 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 Suvarnabhumi Airport to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport (average of £289). Flying from Bangkok Suvarnabhumi Airport to London Heathrow Airport in September is currently the most expensive (average of £577). 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 Suvarnabhumi 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 March 2026.

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

How much does it cost for a return flight from Bangkok Suvarnabhumi Airport 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 16 March 2026.
Read through reviews of airlines operating flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport, such as EVA Air,Emirates, andThai Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.4

Comfort

8.3

Overall

8.5

Entertainment

8.0

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Boarding

8.4

Comfort

8.3

Overall

8.5

Entertainment

8.0

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Boarding

8.4

Comfort

8.3

Overall

8.5

Entertainment

8.0

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Boarding

8.4

Comfort

8.3

Overall

8.5

Entertainment

8.0

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Boarding

8.4

Comfort

8.3

Overall

8.5

Entertainment

8.0

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Boarding

8.4

Comfort

8.3

Overall

8.5

Entertainment

8.0

Crew

8.6

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Related info for your journey

Find useful and relevant information for your journey from Suvarnabhumi 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 Suvarnabhumi Airport to London Heathrow Airport?

    There are many flights that can get you from Bangkok Suvarnabhumi Airport to London Heathrow Airport in 22h 55m. Fly via Oman Air or Etihad Airways to get the fastest option. Airlines will cover a distance of 5947 mi. This flight may include one or multiple stops.

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

    Flying on China Eastern is currently your cheapest option to London Heathrow Airport, with prices starting at £166. Additional return tickets that might be worth considering are offered by China Southern and Kuwait Airways, with the lowest prices starting at £216 and £272, respectively. Users have found that China Eastern is 78% cheaper than the other options available to this destination.

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

    The cheapet airlines for a one-way flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport are Norse Atlantic UK (£130), Scandinavian Airlines (£136), and Hainan Airlines (£164).

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

    Before booking your flight to London Heathrow Airport from Bangkok Suvarnabhumi Airport, check out the most reliable airlines to get you to your destination on time: Air Canada (90%), Thai Airways (78%), EVA Air( 71%).

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

    The cheapest flight price from Bangkok Suvarnabhumi Airport to London Heathrow Airport is £395. On average you can expect to pay £1,290. The most popular route, (Bangkok Suvarnabhumi - London Heathrow), can usually be booked for £472.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport (average of £289). Flying from Bangkok Suvarnabhumi Airport to London Heathrow Airport in September is currently the most expensive (average of £577). 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
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
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Watford
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Eastbourne
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Ipswich
Swindon
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Alternative routes for Suvarnabhumi to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Suvarnabhumi to Heathrow

Discover the top 10 airlines that operate flights from Suvarnabhumi 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 March 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£166Average£608FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£216Average£545FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Kuwait AirwaysCheapest£272Average£553FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Oman AirCheapest£291Average£590FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Austrian AirlinesCheapest£300Average£669FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Air IndiaCheapest£337Average£667FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
SAUDIACheapest£494Average£562FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Etihad AirwaysCheapest£556Average£627FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest£600Average£712FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
SWISSCheapest£613Average£736FlexibilityNo cancel feeOn-time79%
Search SWISS 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 Suvarnabhumi to Heathrow?

Deals for Suvarnabhumi to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Suvarnabhumi to Heathrow.

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

Yes, we can. To see specific flights from Suvarnabhumi 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 Suvarnabhumi to Heathrow become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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