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Cheap flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport from C$ 534

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 22/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BKK
20 Apr — 27 Apr1
1 adult

Cheap flight deals from Heathrow to Suvarnabhumi

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Suvarnabhumi (BKK). 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 15 April 2025.

Round-trip from

C$ 793

One-way from

C$ 534

Popular in

December

Cheapest in

May

Average price

C$ 1,311

Good round-trip deal

C$ 1,258 or less
Shenzhen Airlines
  • Shenzhen Airlines
  • 7/5-15/5
  • 2 total stops
  • 52h 40m total
  • London to Bangkok
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22/6
  • 22/6
  • 2 total stops
  • 27h 50m total
  • London to Bangkok
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Highest demand for flights based on searches. 5% potential increase in price (C$ 110 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 53 potential savings vs. average RT 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 London Heathrow to Bangkok Suvarnabhumi.
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Find flight deals from Heathrow to Suvarnabhumi

Cheapest flights from Heathrow to Suvarnabhumi
Explore the most affordable flight options available from Heathrow to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Sun 18/57:30 p.m.LHR - BKK
1 stop13h 20mAustrian Airlines
Mon 26/511:40 p.m.BKK - LHR
1 stop15h 05mAustrian Airlines
Deal found 14/4C$ 787
Wed 7/510:05 p.m.LHR - BKK
1 stop22h 10mShenzhen Airlines
Thu 15/57:30 p.m.BKK - LHR
1 stop30h 30mShenzhen Airlines
Deal found 15/4C$ 793
Thu 8/510:10 p.m.LHR - BKK
1 stop20h 00mSAUDIA
Tue 13/53:25 p.m.BKK - LHR
1 stop22h 05mSAUDIA
Deal found 15/4C$ 882
Thu 11/98:25 p.m.LHR - BKK
1 stop21h 45mAir China
Sat 11/107:35 p.m.BKK - LHR
1 stop30h 55mAir China
Deal found 14/4C$ 886
Sat 31/56:35 p.m.LHR - BKK
1 stop32h 55mMultiple Airlines
Thu 10/711:35 a.m.BKK - LHR
1 stop15h 50mMultiple Airlines
Deal found 14/4C$ 966
Fri 6/611:45 a.m.LHR - BKK
1 stop15h 45mKLM
Mon 14/712:05 p.m.BKK - LHR
1 stop25h 35mKLM
Deal found 14/4C$ 971
Tue 16/96:00 a.m.LHR - BKK
1 stop21h 45mSWISS
Mon 29/912:35 p.m.BKK - LHR
1 stop33h 50mSWISS
Deal found 14/4C$ 1,005
Wed 26/1111:45 a.m.LHR - BKK
1 stop15h 20mKuwait Airways
Tue 10/35:20 a.m.BKK - LHR
1 stop16h 25mKuwait Airways
Deal found 14/4C$ 1,012
Sun 26/104:15 p.m.LHR - BKK
1 stop38h 00mFinnair
Thu 6/118:00 a.m.BKK - LHR
1 stop38h 15mFinnair
Deal found 15/4C$ 1,014
Sun 15/69:45 p.m.LHR - BKK
1 stop14h 50mEtihad Airways
Mon 30/62:55 a.m.BKK - LHR
1 stop21h 50mEtihad Airways
Deal found 14/4C$ 1,022
Fri 28/116:35 a.m.LHR - BKK
1 stop25h 20mLufthansa
Sun 22/311:30 p.m.BKK - LHR
1 stop23h 20mLufthansa
Deal found 14/4C$ 1,032
Mon 28/48:50 p.m.LHR - BKK
1 stop14h 55mOman Air
Tue 13/57:10 p.m.BKK - LHR
1 stop30h 00mOman Air
Deal found 14/4C$ 1,080

Cheapflights Fare Finder

Customize your flight search to find flights from Heathrow to Suvarnabhumi 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 629,999 searches. Data last updated 15 April 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Heathrow

Fly to

Suvarnabhumi

Route

Depart

Return

Price

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 7/5

10:05 p.m.-2:15 a.m.

1 stop22h 10m

Bangkok Suvarnabhumi

Thu 15/5

7:30 p.m.-8:00 p.m.

1 stop30h 30m

C$ 793

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 12/5

10:00 a.m.-1:45 p.m.

1 stop21h 45m

Bangkok Suvarnabhumi

Wed 9/7

3:25 p.m.-7:30 a.m.

2 stops22h 05m

C$ 869

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 1/6

6:30 a.m.-9:30 a.m.

1 stop21h 00m

Bangkok Suvarnabhumi

Wed 9/7

11:35 a.m.-9:25 p.m.

1 stop15h 50m

C$ 972

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 16/9

10:25 a.m.-2:50 p.m.

1 stop22h 25m

Bangkok Suvarnabhumi

Wed 1/10

11:40 p.m.-8:45 a.m.

1 stop15h 05m

C$ 1,010

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 20/9

5:10 p.m.-9:45 a.m.

1 stop34h 35m

Bangkok Suvarnabhumi

Wed 24/9

12:35 p.m.-7:20 p.m.

1 stop36h 45m

C$ 1,011

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 21/9

11:45 a.m.-10:20 a.m.

1 stop16h 35m

Bangkok Suvarnabhumi

Tue 17/3

5:20 a.m.-2:45 p.m.

1 stop16h 25m

C$ 1,016

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 15/6

9:45 p.m.-6:35 p.m.

1 stop14h 50m

Bangkok Suvarnabhumi

Mon 30/6

2:55 a.m.-6:45 p.m.

1 stop21h 50m

C$ 1,022

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 5/9

10:20 a.m.-5:30 a.m.

1 stop37h 10m

Bangkok Suvarnabhumi

Sat 13/9

7:10 a.m.-12:10 p.m.

1 stop35h 00m

C$ 1,040

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 6/6

8:40 a.m.-9:30 a.m.

1 stop18h 50m

Bangkok Suvarnabhumi

Tue 15/7

12:05 p.m.-5:35 p.m.

1 stop35h 30m

C$ 1,047

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 14/6

7:25 a.m.-2:50 p.m.

2 stops25h 25m

Bangkok Suvarnabhumi

Mon 14/7

11:00 p.m.-6:25 p.m.

1 stop25h 25m

C$ 1,072

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/4

Showing 1-10 of 36 results
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Best time to book a flight from Heathrow to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Heathrow with our price prediction graph.
Estimated round-trip 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 London Heathrow Airport to Bangkok Suvarnabhumi Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Suvarnabhumi. Price data was last updated on 11 April 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport, you should look to book at least 81 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport (average of C$ 965). Flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport in July is currently the most expensive (average of C$ 1,510). 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 LHR to BKK?

Find hourly flight availability from Heathrow to Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 April 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Bangkok Suvarnabhumi Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 34% on airfare.

Weekly flight availability from London Heathrow Airport to Bangkok Suvarnabhumi Airport

Explore weekly flight availability from Heathrow to Suvarnabhumi. 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 15 April 2025.

The most flights from LHR to BKK are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Suvarnabhumi by month

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

In terms of precipitation, rainfall in Bangkok Suvarnabhumi Airport ranges from 10.0 - 320.0 mm per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Bangkok Suvarnabhumi Airport when rainfall is around 10.0 mm.

Temperature in Suvarnabhumi by month

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

If weather is an important factor for your trip to Bangkok Suvarnabhumi Airport, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

Reviews of airlines servicing Suvarnabhumi

Get insights into the airlines that provide service to Suvarnabhumi. 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 Suvarnabhumi. Reviews last updated 15 April 2025.
See what other customers who have flown with EVA Air, Garuda Indonesia and Emirates from London to Bangkok have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,176 reviews
Check prices

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,176 reviews
EVA Air
8.4
Very good
1,176 reviews
Check prices

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Garuda Indonesia
8.1
Very good
71 reviews
EVA Air
8.4
Very good
1,176 reviews
Check prices

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Emirates
8.0
Very good
3,196 reviews
EVA Air
8.4
Very good
1,176 reviews
Check prices

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
KLM
7.8
Good
1,323 reviews
EVA Air
8.4
Very good
1,176 reviews
Check prices

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Suvarnabhumi. 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 London Heathrow Airport to Bangkok Suvarnabhumi Airport round-trip?

    Currently priced at C$ 793, Shenzhen Airlines will fly you from London Heathrow Airport to Bangkok Suvarnabhumi Airport and back. In addition to Shenzhen Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from SAUDIA and Austrian Airlines - these airlines can fly you to your destination from C$ 869 and C$ 1,010, respectively. Shenzhen Airlines is priced at 38% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport are Air India (C$ 563), Shenzhen Airlines (C$ 624), and Oman Air (C$ 658).

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

    The top 3 most reliable airlines when flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport are Air Canada (68%), Thai Airways (66%) and EVA Air (62%).

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

    Looking at all options, your cheapest flight can be booked for C$ 1,256. While the most popular route (London Heathrow - Bangkok Suvarnabhumi) can be booked for C$ 1,001 on average our data indicates C$ 1,723 when flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport (average of C$ 965). Flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport in July is currently the most expensive (average of C$ 1,510). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Heathrow to Suvarnabhumi

Discover the top 2 airlines that operate flights from Heathrow to Suvarnabhumi. 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 629,999 searches. Data last updated 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapestC$ 1,256AverageC$ 1,376FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Thai AirwaysCheapestC$ 1,369AverageC$ 1,558FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Suvarnabhumi?

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Suvarnabhumi by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Suvarnabhumi from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Heathrow to Suvarnabhumi become cheaper?

Of course! You can now track prices for flights from Heathrow to Suvarnabhumi 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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