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฿15,235+ 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 4/3. 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
24 Mar — 31 Mar1
1 adult
1 adult, Economy, 0 bags

Direct flights from Heathrow

Enter your travel dates to find the best prices.

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 22 February 2026.

Sun 19/421:35
LHR
-
BKK
Nonstop11h 55m
EVA Air
Sun 31/512:20
BKK
-
LHR
Nonstop13h 00m
EVA Air
Deal found 19/2฿22,185
Tue 14/421:35
LHR
-
BKK
Nonstop11h 55m
EVA Air
Wed 22/412:20
BKK
-
LHR
Nonstop13h 00m
EVA Air
Deal found 19/2฿22,216
Thu 30/421:35
LHR
-
BKK
Nonstop11h 55m
EVA Air
Fri 15/512:20
BKK
-
LHR
Nonstop13h 00m
EVA Air
Deal found 20/2฿22,247
Sun 14/621:35
LHR
-
BKK
Nonstop11h 55m
EVA Air
Mon 16/1112:40
BKK
-
LHR
Nonstop13h 25m
EVA Air
Deal found 19/2฿22,278
Sat 30/521:35
LHR
-
BKK
Nonstop11h 55m
EVA Air
Fri 27/1112:40
BKK
-
LHR
Nonstop13h 25m
EVA Air
Deal found 19/2฿22,309
Mon 15/621:35
LHR
-
BKK
Nonstop11h 55m
EVA Air
Fri 17/712:45
BKK
-
LHR
Nonstop12h 35m
EVA Air
Deal found 19/2฿22,340
Sun 22/321:20
LHR
-
BKK
Nonstop11h 40m
EVA Air
Mon 6/712:45
BKK
-
LHR
Nonstop12h 35m
EVA Air
Deal found 20/2฿24,171
Sun 22/321:20
LHR
-
BKK
Nonstop11h 40m
EVA Air
Thu 9/712:45
BKK
-
LHR
Nonstop12h 35m
EVA Air
Deal found 20/2฿24,202
Fri 10/421:35
LHR
-
BKK
Nonstop11h 55m
EVA Air
Sat 25/412:20
BKK
-
LHR
Nonstop13h 00m
EVA Air
Deal found 20/2฿24,388
Sun 12/421:35
LHR
-
BKK
Nonstop11h 55m
EVA Air
Wed 29/412:20
BKK
-
LHR
Nonstop13h 00m
EVA Air
Deal found 18/2฿24,543
Fri 19/621:35
LHR
-
BKK
Nonstop11h 55m
EVA Air
Sun 22/1112:40
BKK
-
LHR
Nonstop13h 25m
EVA Air
Deal found 19/2฿24,574
Sat 20/621:35
LHR
-
BKK
Nonstop11h 55m
EVA Air
Fri 10/712:45
BKK
-
LHR
Nonstop12h 35m
EVA Air
Deal found 21/2฿24,605

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 22 February 2026.

Fly to

Suvarnabhumi

Route

Depart

Return

Price

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 5/5

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Fri 22/5

12:20-19:20

Nonstop13h 00m

฿30,594

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 9/3

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Wed 18/3

12:40-19:05

Nonstop13h 25m

฿30,687

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 13/3

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Wed 18/3

12:40-19:05

Nonstop13h 25m

฿30,687

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 9/3

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Tue 17/3

12:40-19:05

Nonstop13h 25m

฿30,842

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 13/3

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Thu 25/6

12:45-19:20

Nonstop12h 35m

฿30,842

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 7/3

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Tue 24/3

12:40-19:05

Nonstop13h 25m

฿30,842

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 9/6

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Sun 21/6

12:45-19:20

Nonstop12h 35m

฿31,183

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 13/6

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Thu 25/6

12:45-19:20

Nonstop12h 35m

฿31,183

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 1/5

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Fri 8/5

12:20-19:20

Nonstop13h 00m

฿31,338

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 12/4

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Sun 10/5

12:20-19:20

Nonstop13h 00m

฿31,338

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 22 results
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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, โอมานแอร์, andThai 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
1,357 reviews
Check prices

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
EVA Air
8.4
Very Good
1,357 reviews
EVA Air
8.4
Very Good
1,357 reviews
Check prices

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
โอมานแอร์
8.0
Very Good
116 reviews
EVA Air
8.4
Very Good
1,357 reviews
Check prices

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
Thai Airways
7.8
Good
384 reviews
EVA Air
8.4
Very Good
1,357 reviews
Check prices

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
Qatar Airways
7.4
Good
3,739 reviews
EVA Air
8.4
Very Good
1,357 reviews
Check prices

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
เอทิฮัดแอร์เวย์
7.3
Good
1,406 reviews
EVA Air
8.4
Very Good
1,357 reviews
Check prices

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Crew

8.6

Food

8.1

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.

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 22 February 2026.

  • 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 ฿10,683. If you're looking for a direct round-trip flight from London Heathrow Airport, you can expect to pay around ฿18,909.

  • 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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Fly your favourite airline from London

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

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