Find flights
Deals
Airlines
Thailand (ภาษาไทย)
ภาษาไทย

฿20,629+ 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 21/1. 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
5 Dec — 12 Dec1
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 5 November 2025.

Thu 20/1121:20LHR - BKK
Nonstop11h 40mEVA Air
Sun 7/1212:40BKK - LHR
Nonstop13h 25mEVA Air
Deal found 4/11฿27,918
Wed 28/121:20LHR - BKK
Nonstop11h 40mEVA Air
Wed 11/212:40BKK - LHR
Nonstop13h 25mEVA Air
Deal found 3/11฿28,080
Sat 28/221:20LHR - BKK
Nonstop11h 40mEVA Air
Sat 21/312:40BKK - LHR
Nonstop13h 25mEVA Air
Deal found 4/11฿29,187
Mon 17/1121:20LHR - BKK
Nonstop11h 40mEVA Air
Thu 27/1112:40BKK - LHR
Nonstop13h 25mEVA Air
Deal found 4/11฿29,219
Sun 1/321:20LHR - BKK
Nonstop11h 40mEVA Air
Wed 25/312:40BKK - LHR
Nonstop13h 25mEVA Air
Deal found 3/11฿29,252
Wed 26/1121:20LHR - BKK
Nonstop11h 40mEVA Air
Sun 7/1212:40BKK - LHR
Nonstop13h 25mEVA Air
Deal found 5/11฿29,447
Mon 23/221:20LHR - BKK
Nonstop11h 40mEVA Air
Mon 23/312:40BKK - LHR
Nonstop13h 25mEVA Air
Deal found 5/11฿29,545
Sun 23/1121:20LHR - BKK
Nonstop11h 40mEVA Air
Sun 21/1212:40BKK - LHR
Nonstop13h 25mEVA Air
Deal found 4/11฿29,610
Wed 26/1121:20LHR - BKK
Nonstop11h 40mEVA Air
Wed 24/1212:40BKK - LHR
Nonstop13h 25mEVA Air
Deal found 3/11฿29,642
Tue 18/1121:20LHR - BKK
Nonstop11h 40mEVA Air
Wed 3/1212:40BKK - LHR
Nonstop13h 25mEVA Air
Deal found 4/11฿29,707
Tue 2/1221:20LHR - BKK
Nonstop11h 40mEVA Air
Tue 5/512:20BKK - LHR
Nonstop13h 00mEVA Air
Deal found 3/11฿29,740
Tue 18/1111:15LHR - CNX
Nonstop3h 40mเดลต้า
Sat 20/1213:20CNX - LHR
Nonstop18h 15mเดลต้า
Deal found 3/11฿218,363

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 5 November 2025.

Fly to

Suvarnabhumi

Route

Depart

Return

Price

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 4/3

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Tue 17/3

12:40-19:05

Nonstop13h 25m

฿30,846

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 18/11

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Wed 6/5

12:20-19:20

Nonstop13h 00m

฿31,237

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 19/11

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Sat 9/5

12:20-19:20

Nonstop13h 00m

฿31,237

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 18/11

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Sat 9/5

12:20-19:20

Nonstop13h 00m

฿31,237

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 28/11

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Wed 4/2

12:40-19:05

Nonstop13h 25m

฿31,237

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 16/11

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Sun 3/5

12:20-19:20

Nonstop13h 00m

฿31,237

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 16/11

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Fri 8/5

12:20-19:20

Nonstop13h 00m

฿31,237

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 19/11

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Fri 8/5

12:20-19:20

Nonstop13h 00m

฿31,237

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Mon 17/11

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Fri 8/5

12:20-19:20

Nonstop13h 00m

฿31,237

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 15/3

21:20-16:00

Nonstop11h 40m

Bangkok Suvarnabhumi

Thu 19/3

12:40-19:05

Nonstop13h 25m

฿31,237

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 25 results
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, Emirates, 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
1,270 reviews
Check prices

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
EVA Air
8.4
Very Good
1,270 reviews
EVA Air
8.4
Very Good
1,270 reviews
Check prices

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Emirates
8.1
Very Good
3,402 reviews
EVA Air
8.4
Very Good
1,270 reviews
Check prices

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Thai Airways
7.8
Good
361 reviews
EVA Air
8.4
Very Good
1,270 reviews
Check prices

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Qatar Airways
7.4
Good
3,661 reviews
EVA Air
8.4
Very Good
1,270 reviews
Check prices

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
เอทิฮัดแอร์เวย์
7.4
Good
1,285 reviews
EVA Air
8.4
Very Good
1,270 reviews
Check prices

Comfort

8.3

Overall

8.4

Food

8.1

Boarding

8.4

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

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 5 November 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 ฿13,796. If you're looking for a direct round-trip flight from London Heathrow Airport, you can expect to pay around ฿20,474.

  • 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, September offers travelers the most options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly your favourite airline from London

Browse through various options for flying your favourite airline from London. Flight routes are based on user searches made on Cheapflights and were last updated on 5 November 2025.
Thai Airways flights from Heathrow to Suvarnabhumi
EVA Air flights from Heathrow to Suvarnabhumi

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.