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Thailand (ภาษาไทย)
ภาษาไทย

฿18,954+ Direct flights from London Heathrow Airport

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LHR — BKK
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Direct flights from Heathrow

Cheapest flights from Heathrow
Explore the most affordable flight options available from Heathrow. Find the lowest fares based on data from user searches, with prices last updated on 16 September 2025.

Wed 28/111:50LHR - BKK
Nonstop11h 25mThai Airways
Wed 27/512:50BKK - LHR
Nonstop12h 20mThai Airways
Deal found 15/9฿27,922
Thu 19/211:50LHR - BKK
Nonstop11h 25mThai Airways
Thu 19/313:20BKK - LHR
Nonstop13h 15mThai Airways
Deal found 15/9฿28,050
Mon 27/1021:20LHR - BKK
Nonstop11h 40mEVA Air
Fri 7/1112:40BKK - LHR
Nonstop13h 25mEVA Air
Deal found 15/9฿28,113
Sat 31/111:50LHR - BKK
Nonstop11h 25mThai Airways
Fri 13/213:20BKK - LHR
Nonstop13h 15mThai Airways
Deal found 14/9฿28,177
Thu 5/211:50LHR - BKK
Nonstop11h 25mThai Airways
Tue 17/313:20BKK - LHR
Nonstop13h 15mThai Airways
Deal found 16/9฿28,209
Thu 19/211:50LHR - BKK
Nonstop11h 25mThai Airways
Thu 12/313:20BKK - LHR
Nonstop13h 15mThai Airways
Deal found 14/9฿28,240
Wed 18/211:50LHR - BKK
Nonstop11h 25mThai Airways
Wed 25/313:20BKK - LHR
Nonstop13h 15mThai Airways
Deal found 15/9฿28,272
Wed 31/1221:35LHR - BKK
Nonstop11h 25mThai Airways
Thu 26/313:20BKK - LHR
Nonstop13h 15mThai Airways
Deal found 13/9฿28,304
Thu 29/111:50LHR - BKK
Nonstop11h 25mThai Airways
Thu 30/412:50BKK - LHR
Nonstop12h 20mThai Airways
Deal found 14/9฿28,368
Tue 27/111:50LHR - BKK
Nonstop11h 25mThai Airways
Tue 10/213:20BKK - LHR
Nonstop13h 15mThai Airways
Deal found 15/9฿28,399
Sat 21/211:50LHR - BKK
Nonstop11h 25mThai Airways
Mon 9/313:20BKK - LHR
Nonstop13h 15mThai Airways
Deal found 14/9฿28,431
Fri 20/211:50LHR - BKK
Nonstop11h 25mThai Airways
Wed 4/313:20BKK - LHR
Nonstop13h 15mThai Airways
Deal found 15/9฿28,463

Find direct flights from Heathrow within your budget

 
Use the slider to find direct flights from Heathrow within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 17,341 searches. This data was last updated on 16 September 2025.

Fly to

Suvarnabhumi

Route

Depart

Return

Price

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 12/10

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Sun 19/10

12:20-19:20

Nonstop13h 00m

฿31,134

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 27/9

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Mon 13/10

12:20-19:20

Nonstop13h 00m

฿31,643

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 29/11

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Sun 1/2

12:40-19:05

Nonstop13h 25m

฿31,643

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 5/10

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Fri 7/11

12:40-19:05

Nonstop13h 25m

฿31,643

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 18/11

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Wed 21/1

12:40-19:05

Nonstop13h 25m

฿31,643

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 16/1

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Sat 31/1

12:40-19:05

Nonstop13h 25m

฿31,643

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 5/10

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Tue 4/11

12:40-19:05

Nonstop13h 25m

฿31,643

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 6/11

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Thu 13/11

12:40-19:05

Nonstop13h 25m

฿31,643

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 18/11

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Mon 1/12

12:40-19:05

Nonstop13h 25m

฿31,643

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 29/9

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Tue 14/10

12:20-19:20

Nonstop13h 00m

฿31,643

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 24 results
1
2
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Best time to book a flight from Heathrow

Have a flexible travel schedule? Discover the best time to fly from Heathrow 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.

Reviews of airlines flying direct to Heathrow

Get insights into the airlines that provide direct flights from 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 from Heathrow. Reviews last updated Cheapflights.
Read reviews from past customers who have flown EVA Air, Thai Airways, andQatar Airways from London Heathrow Airport. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,236 reviews
Check prices

Boarding

8.4

Overall

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very Good
1,236 reviews
EVA Air
8.4
Very Good
1,236 reviews
Check prices

Boarding

8.4

Overall

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Thai Airways
7.8
Good
350 reviews
EVA Air
8.4
Very Good
1,236 reviews
Check prices

Boarding

8.4

Overall

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Qatar Airways
7.4
Good
3,624 reviews
EVA Air
8.4
Very Good
1,236 reviews
Check prices

Boarding

8.4

Overall

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
เอทิฮัดแอร์เวย์
7.4
Good
1,250 reviews
EVA Air
8.4
Very Good
1,236 reviews
Check prices

Boarding

8.4

Overall

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Air China
7.3
Good
101 reviews
EVA Air
8.4
Very Good
1,236 reviews
Check prices

Boarding

8.4

Overall

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Related info for your journey

Access useful and relevant information related to your journey from Heathrow. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 16 September 2025.

  • Where can you fly direct from London Heathrow Airport?

    Currently, the most popular direct flight destination from London Heathrow Airport is Bangkok Suvarnabhumi Airport.

  • How much are direct flights from London Heathrow Airport?

    On average, a one-way direct flight from London Heathrow Airport will cost users approximately ฿11,437. If you're looking for a direct round-trip flight from London Heathrow Airport, you can expect to pay around ฿22,662.

  • How long is a direct flight from London Heathrow Airport?

    While the flight duration depends heavily on the destination, on average, travelers can expect non-stop flights from London Heathrow Airport to last approximately 11h 40m on average. The quickest direct flight from London Heathrow Airport at this time departs from London Heathrow Airport (11h 40m), while the longest leaves from London Heathrow Airport (11h 40m).

  • What is the best time of year to fly direct from London Heathrow Airport?

    If you're seeking the lowest price on a direct flight from London Heathrow Airport, January is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, June offers travelers the most options.

See more FAQs

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Thai Airways flights from Heathrow to Suvarnabhumi
EVA Air flights from Heathrow to Suvarnabhumi

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