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Cheap flights from Bangkok Suvarnabhumi Airport 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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — LHR
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from Bangkok Suvarnabhumi to London Heathrow are usually found in March or May, booked 70 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

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 30 April 2025.

Round-trip from

£555

One-way from

£245

Popular in

April

Cheapest in

March

Average price

£822

Good round-trip deal

£716 or less

Good one-way deal

£287 or less
Gulf Air
  • Gulf Air
  • 12/6-17/6
  • 2 total stops
  • 52h 35m total
  • Bangkok to London
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Hainan Airlines
  • Hainan Airlines
  • 15/5
  • 2 total stops
  • 30h 10m total
  • Bangkok to London
Search Deals
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 April 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 30 April 2025.

Thu 12/603:15BKK - LHR
1 stop22h 45mMultiple Airlines
Tue 17/622:05LHR - BKK
1 stop29h 50mMultiple Airlines
Deal found 29/4£555
Thu 10/701:30BKK - LHR
1 stop24h 00mHainan Airlines
Fri 15/822:00LHR - BKK
1 stop30h 00mHainan Airlines
Deal found 29/4£556
Fri 13/603:00BKK - LHR
2 stops43h 15mChina Southern
Sun 29/622:10LHR - BKK
1 stop21h 20mChina Southern
Deal found 28/4£561
Wed 28/502:10BKK - LHR
1 stop22h 30mChina Eastern
Sat 31/521:20LHR - BKK
1 stop18h 35mChina Eastern
Deal found 29/4£562
Sat 10/519:30BKK - LHR
1 stop30h 30mShenzhen Airlines
Wed 12/1121:10LHR - BKK
1 stop31h 00mShenzhen Airlines
Deal found 28/4£568
Wed 14/501:30BKK - LHR
1 stop22h 15mAir China
Wed 28/522:40LHR - BKK
1 stop19h 30mAir China
Deal found 28/4£579
Wed 14/521:00BKK - LHR
2 stops39h 20mRoyal Brunei Airlines
Wed 4/617:15LHR - BKK
2 stops37h 25mRoyal Brunei Airlines
Deal found 28/4£587
Fri 6/606:45BKK - LHR
1 stop15h 30mTurkish Airlines
Mon 30/622:25LHR - BKK
1 stop24h 50mTurkish Airlines
Deal found 27/4£600
Wed 4/612:50BKK - LHR
1 stop28h 35mSWISS
Mon 1/920:05LHR - BKK
1 stop31h 40mSWISS
Deal found 28/4£629
Wed 2/707:05BKK - LHR
1 stop38h 05mFinnair
Fri 11/707:30LHR - BKK
1 stop16h 00mFinnair
Deal found 28/4£648
Tue 3/623:40BKK - LHR
2 stops22h 00mLufthansa
Tue 2/917:50LHR - BKK
1 stop14h 20mLufthansa
Deal found 28/4£658

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 30 April 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 12/6

03:15-20:00

1 stop22h 45m

London Heathrow

Tue 17/6

22:05-09:55

1 stop29h 50m

£555

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 10/7

01:30-19:30

1 stop24h 00m

London Heathrow

Fri 15/8

22:00-10:00

1 stop30h 00m

£556

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 13/6

03:00-16:15

2 stops43h 15m

London Heathrow

Sun 29/6

22:10-01:30

1 stop21h 20m

£561

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 28/5

02:10-18:40

1 stop22h 30m

London Heathrow

Sat 31/5

21:20-21:55

1 stop18h 35m

£562

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 10/5

19:30-20:00

1 stop30h 30m

London Heathrow

Wed 12/11

21:10-11:10

1 stop31h 00m

£568

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 21/5

01:30-17:45

1 stop22h 15m

London Heathrow

Tue 27/5

20:25-00:10

1 stop21h 45m

£578

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 14/5

21:00-06:20

2 stops39h 20m

London Heathrow

Wed 4/6

17:15-12:40

2 stops37h 25m

£587

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 28/5

06:45-16:40

1 stop15h 55m

London Heathrow

Tue 17/6

16:40-15:25

1 stop16h 45m

£600

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 4/6

12:50-11:25

1 stop28h 35m

London Heathrow

Mon 1/9

20:05-09:45

1 stop31h 40m

£629

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 21/5

12:05-20:55

1 stop14h 50m

London Heathrow

Tue 3/6

09:00-09:30

2 stops18h 30m

£632

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 29 results
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 25 April 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 70 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 30 April 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 20% 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 30 March 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 at midday 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 30 April 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).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 30 April 2025.
Peruse reviews from past customers who have flown with Hainan Airlines, Emirates and KLM from Bangkok to London to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Food

8.5

Entertainment

7.7

Crew

9.0

Boarding

8.6

Comfort

8.1

Overall

8.1

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
8.1
Very Good
38 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Food

8.5

Entertainment

7.7

Crew

9.0

Boarding

8.6

Comfort

8.1

Overall

8.1

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.
Emirates
8.0
Very Good
3,213 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Food

8.5

Entertainment

7.7

Crew

9.0

Boarding

8.6

Comfort

8.1

Overall

8.1

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.
KLM
7.8
Good
1,334 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Food

8.5

Entertainment

7.7

Crew

9.0

Boarding

8.6

Comfort

8.1

Overall

8.1

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.
Thai Airways
7.7
Good
325 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Food

8.5

Entertainment

7.7

Crew

9.0

Boarding

8.6

Comfort

8.1

Overall

8.1

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 £556. Additional return tickets that might be worth considering are offered by China Southern and China Eastern, with the lowest prices starting at £561 and £564, respectively. Users have found that Hainan Airlines is 26% 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 Hainan Airlines (£245), China Southern (£247), and China Eastern (£248).

  • 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 (75%), Thai Airways (73%), 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 £278. On average you can expect to pay £1,391. The most popular route, (Bangkok Suvarnabhumi - London Heathrow), can usually be booked for £441.

  • 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
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Northampton
Southend-on-Sea
Ilford
Crawley
Hayes
Ipswich
Watford
Wembley
Swindon
Folkestone
Maidstone
Winchester

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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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£401Average£489FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£486Average£536FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£505Average£576FlexibilityNo cancel feeOn-time67%
Search Air China flights
FinnairCheapest£513Average£652FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Malaysia AirlinesCheapest£531Average£586FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
SWISSCheapest£556Average£647FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Turkish AirlinesCheapest£557Average£602FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Austrian AirlinesCheapest£558Average£671FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Kuwait AirwaysCheapest£564Average£600FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Vietnam AirlinesCheapest£574Average£594FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines 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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