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฿16,942+ 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 10/5. 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 Apr — 23 Apr1
1 adult
1 adult, Economy, 0 bags

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 17 March 2026.

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 4/5

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Fri 12/6

12:45-19:20

Nonstop12h 35m

฿32,069

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 1/6

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Fri 12/6

12:45-19:20

Nonstop12h 35m

฿32,166

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 4/6

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Mon 8/6

12:45-19:20

Nonstop12h 35m

฿32,393

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 3/5

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Sat 16/5

12:20-19:20

Nonstop13h 00m

฿32,393

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 4/5

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Tue 12/5

12:20-19:20

Nonstop13h 00m

฿32,393

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 11/6

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Fri 26/6

12:45-19:20

Nonstop12h 35m

฿32,425

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 7/5

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Wed 24/6

12:45-19:20

Nonstop12h 35m

฿32,425

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 12/9

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Wed 30/9

12:45-19:20

Nonstop12h 35m

฿32,458

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 27/5

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Mon 22/6

12:45-19:20

Nonstop12h 35m

฿32,555

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 9/6

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Wed 4/11

12:40-19:05

Nonstop13h 25m

฿32,587

Flights are sorted by cheapest return flights first.

Deals found on 16/3

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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
8.5
Very Good
1,376 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Overall

8.5

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
EVA Air
8.5
Very Good
1,376 reviews
EVA Air
8.5
Very Good
1,376 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Overall

8.5

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
โอมานแอร์
8.1
Very Good
117 reviews
EVA Air
8.5
Very Good
1,376 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Overall

8.5

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Thai Airways
7.8
Good
392 reviews
EVA Air
8.5
Very Good
1,376 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Overall

8.5

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Qatar Airways
7.4
Good
3,736 reviews
EVA Air
8.5
Very Good
1,376 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Overall

8.5

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
เอทิฮัดแอร์เวย์
7.3
Good
1,426 reviews
EVA Air
8.5
Very Good
1,376 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Overall

8.5

Crew

8.6

Food

8.1

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

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 17 March 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 ฿11,176. If you're looking for a direct round-trip flight from London Heathrow Airport, you can expect to pay around ฿31,090.

  • 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 25m on average. The quickest direct flight from London Heathrow Airport at this time departs from London Heathrow Airport (11h 25m), while the longest leaves from London Heathrow Airport (11h 25m).

  • 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, February 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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