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฿20,534+ 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 23/11. 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 Jul — 23 Jul1
1 adult

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 11 July 2025.

Fri 31/1011:50LHR - BKK
Nonstop11h 25mThai Airways
Mon 17/1113:20BKK - LHR
Nonstop13h 15mThai Airways
Deal found 9/7฿28,128
Sun 31/821:35LHR - BKK
Nonstop11h 55mEVA Air
Sun 21/912:45BKK - LHR
Nonstop12h 35mEVA Air
Deal found 10/7฿29,236

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 11 July 2025.

Fly to

Suvarnabhumi

Route

Depart

Return

Price

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 31/10

11:50-06:15

Nonstop11h 25m

Bangkok Suvarnabhumi

Mon 17/11

13:20-19:35

Nonstop13h 15m

฿28,128

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 9/9

21:35-15:30

Nonstop11h 55m

Bangkok Suvarnabhumi

Wed 24/9

12:45-19:20

Nonstop12h 35m

฿29,236

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sun 23/11

21:35-16:00

Nonstop11h 25m

฿20,534

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 10/9

21:35-15:30

Nonstop11h 55m

฿20,762

Flights are sorted by cheapest return flights first.

Deals found on 9/7

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, ไห่หนานแอร์ไลน์, 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
1,215 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
EVA Air
8.4
Very Good
1,215 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
ไห่หนานแอร์ไลน์
8.2
Very Good
41 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
Thai Airways
7.7
Good
336 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
China Southern
7.6
Good
103 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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 11 July 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 ฿10,938. If you're looking for a direct round-trip flight from London Heathrow Airport, you can expect to pay around ฿23,284.

  • 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, November 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.

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

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