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Cheap flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport from £242

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 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
16 Jul — 23 Jul1
1 adult

Cheapflights Tip: The best prices from Bangkok Suvarnabhumi to London Heathrow are usually found in March or May, booked 27 days in advance, depart on a Monday or Thursday and return on a Tuesday

Cheap 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 11 July 2025.

Round-trip from

£564

One-way from

£242

Popular in

April

Cheapest in

March

Average price

£765

Good round-trip deal

£726 or less

Good one-way deal

£288 or less
China Eastern
  • China Eastern
  • 30/10-23/11
  • 3 total stops
  • 63h 25m total
  • Bangkok to London
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16/7
  • 16/7
  • 2 total stops
  • 51h 10m total
  • Bangkok to London
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 0% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Bangkok Suvarnabhumi to London Heathrow.
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Price to beat on a one-way flight from Bangkok Suvarnabhumi to London Heathrow.
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Find flight deals from Suvarnabhumi to Heathrow

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 11 July 2025.

Thu 30/1007:35BKK - LHR
2 stops31h 05mMultiple Airlines
Sun 23/1121:00LHR - BKK
1 stop32h 20mMultiple Airlines
Deal found 9/7£564
Sun 5/1001:30BKK - LHR
1 stop24h 00mHainan Airlines
Mon 10/1121:00LHR - BKK
1 stop30h 05mHainan Airlines
Deal found 9/7£564
Wed 20/803:00BKK - LHR
1 stop22h 00mChina Southern
Sun 31/821:00LHR - BKK
2 stops22h 30mChina Southern
Deal found 8/7£566
Sun 19/1001:30BKK - LHR
1 stop25h 00mAir China
Sat 1/1121:35LHR - BKK
1 stop31h 55mAir China
Deal found 9/7£567
Wed 23/705:05BKK - LHR
1 stop19h 35mChina Eastern
Mon 4/821:20LHR - BKK
1 stop17h 35mChina Eastern
Deal found 11/7£569
Mon 15/903:25BKK - LHR
1 stop18h 30mKuwait Airways
Wed 17/911:45LHR - BKK
1 stop16h 35mKuwait Airways
Deal found 9/7£580
Fri 18/709:05BKK - LHR
1 stop27h 55mEtihad Airways
Wed 15/1009:30LHR - BKK
1 stop15h 50mEtihad Airways
Deal found 10/7£582

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 11 July 2025.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport that are best for you.

Fly from

Suvarnabhumi

Fly to

Heathrow

Route

Depart

Return

Price

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 30/10

07:35-07:40

2 stops31h 05m

London Heathrow

Sun 23/11

21:00-12:20

1 stop32h 20m

£564

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 5/10

01:30-19:30

1 stop24h 00m

London Heathrow

Mon 10/11

21:00-10:05

1 stop30h 05m

£564

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 20/8

03:00-19:00

1 stop22h 00m

London Heathrow

Sun 31/8

21:00-01:30

2 stops22h 30m

£566

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 19/10

01:30-20:30

1 stop25h 00m

London Heathrow

Sat 1/11

21:35-12:30

1 stop31h 55m

£567

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 23/7

05:05-18:40

1 stop19h 35m

London Heathrow

Mon 4/8

21:20-20:55

1 stop17h 35m

£569

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 15/9

03:25-15:55

1 stop18h 30m

London Heathrow

Fri 19/9

11:45-10:20

1 stop16h 35m

£580

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 19/9

09:30-18:45

1 stop15h 15m

London Heathrow

Sat 27/9

21:45-18:50

1 stop15h 05m

£582

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 16/7

22:00-19:10

2 stops51h 10m

£242

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 9/11

01:55-17:30

1 stop22h 35m

£243

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 25/7

08:20-19:00

1 stop16h 40m

£244

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 17 results
1
2

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 27 June 2025.

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 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 Suvarnabhumi Airport to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport (average of £112). Flying from Bangkok Suvarnabhumi Airport 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 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 11 July 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 24% on flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Suvarnabhumi to Heathrow. Price data was last updated on 6 July 2025.

Travellers seeking maximum savings on their Bangkok Suvarnabhumi Airport 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 Suvarnabhumi Airport to London Heathrow Airport

Explore weekly flight availability from Suvarnabhumi 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 11 July 2025.

The most flights from BKK 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 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 11 July 2025.
Read through reviews of airlines operating flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport, such as Hainan Airlines, China Southern, andVietnam Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Crew

8.9

Boarding

8.6

Overall

8.2

Food

8.6

Comfort

8.1

Entertainment

7.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Hainan Airlines
8.2
Very Good
41 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Crew

8.9

Boarding

8.6

Overall

8.2

Food

8.6

Comfort

8.1

Entertainment

7.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
China Southern
7.6
Good
103 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Crew

8.9

Boarding

8.6

Overall

8.2

Food

8.6

Comfort

8.1

Entertainment

7.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Vietnam Airlines
7.5
Good
195 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Crew

8.9

Boarding

8.6

Overall

8.2

Food

8.6

Comfort

8.1

Entertainment

7.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
SAUDIA
7.4
Good
619 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Crew

8.9

Boarding

8.6

Overall

8.2

Food

8.6

Comfort

8.1

Entertainment

7.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Etihad Airways
7.4
Good
1,222 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Crew

8.9

Boarding

8.6

Overall

8.2

Food

8.6

Comfort

8.1

Entertainment

7.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

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.

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

    Flying on Hainan Airlines is currently your cheapest option to London Heathrow Airport, with prices starting at £564. Additional return tickets that might be worth considering are offered by China Southern and Air China, with the lowest prices starting at £566 and £567, respectively. Users have found that Hainan Airlines is 24% 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 China Eastern (£243), China Southern (£244), and Hainan Airlines (£245).

  • 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: EVA Air (58%), Thai Airways (58%), Air Canada( 58%).

  • 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 £285. On average you can expect to pay £1,172. The most popular route, (Bangkok Suvarnabhumi - London Heathrow), can usually be booked for £456.

  • 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, January is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport (average of £112). Flying from Bangkok Suvarnabhumi Airport 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.

See more FAQs

Travelling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Hounslow
Croydon
Milton Keynes
Deal
Northampton
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Folkestone
Southend-on-Sea
Watford
Winchester
Swindon
Maidstone

Browse thousands of different options on Cheapflights for your next trip

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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.
Suvarnabhumi to Gatwick flights
Suvarnabhumi to Stansted flights
Don Mueang Intl to Heathrow flights

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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£235Average£483FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air IndiaCheapest£343Average£649FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Air ChinaCheapest£444Average£525FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest£493Average£547FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Kuwait AirwaysCheapest£505Average£587FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Singapore AirlinesCheapest£535Average£607FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Turkish AirlinesCheapest£549Average£578FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Austrian AirlinesCheapest£551Average£668FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
SWISSCheapest£551Average£650FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Malaysia AirlinesCheapest£552Average£578FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights

Fly with Cheapflights

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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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