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฿11,271+ Cheap flights to Heathrow

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
5 Aug — 12 Aug1
1 adult
1 adult, Economy, 0 bags

Flights to Heathrow in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Heathrow Airport
Explore the most affordable flight options available to Heathrow Airport. Find the lowest fares based on data from user searches, with prices last updated on 6 July 2026.

Sat 4/707:30
BKK
-
LHR
1 stop17h 30m
Air India
Wed 8/712:30
LHR
-
BKK
1 stop19h 05m
Air India
Deal found 3/7฿26,786
Tue 7/720:15
BKK
-
LHR
1 stop16h 40m
กัลฟ์แอร์
Tue 14/710:00
LHR
-
BKK
1 stop17h 45m
กัลฟ์แอร์
Deal found 4/7฿26,819
Sat 12/915:55
BKK
-
LHR
1 stop29h 10m
Multiple Airlines
Sun 4/1010:00
LHR
-
BKK
1 stop17h 45m
Multiple Airlines
Deal found 5/7฿26,852
Tue 14/707:30
BKK
-
LHR
1 stop17h 30m
Multiple Airlines
Tue 23/307:05
LHR
-
BKK
1 stop18h 30m
Multiple Airlines
Deal found 2/7฿26,885
Mon 14/914:45
BKK
-
LHR
1 stop25h 30m
Multiple Airlines
Fri 2/1012:35
LHR
-
BKK
1 stop16h 40m
Multiple Airlines
Deal found 1/7฿26,918
Tue 21/707:30
BKK
-
LHR
1 stop17h 30m
Multiple Airlines
Sun 13/912:35
LHR
-
BKK
1 stop16h 40m
Multiple Airlines
Deal found 6/7฿26,952
Tue 7/720:15
BKK
-
LHR
1 stop16h 40m
กัลฟ์แอร์
Sat 11/710:00
LHR
-
BKK
1 stop17h 45m
กัลฟ์แอร์
Deal found 1/7฿26,985
Sat 25/707:30
BKK
-
LHR
1 stop17h 30m
Multiple Airlines
Fri 11/912:35
LHR
-
BKK
1 stop16h 40m
Multiple Airlines
Deal found 6/7฿27,018
Thu 5/1108:20
BKK
-
LHR
1 stop17h 15m
Multiple Airlines
Thu 19/1121:00
LHR
-
BKK
1 stop20h 55m
Multiple Airlines
Deal found 1/7฿27,051
Tue 3/1108:20
BKK
-
LHR
1 stop17h 15m
Multiple Airlines
Wed 18/1121:00
LHR
-
BKK
1 stop20h 55m
Multiple Airlines
Deal found 1/7฿27,084
Wed 8/720:15
BKK
-
LHR
1 stop16h 40m
กัลฟ์แอร์
Sat 11/710:00
LHR
-
BKK
1 stop17h 45m
กัลฟ์แอร์
Deal found 3/7฿27,117
Mon 6/713:50
BKK
-
LHR
1 stop35h 05m
IndiGo
Mon 13/720:55
LHR
-
BKK
1 stop33h 55m
IndiGo
Deal found 5/7฿27,151

Find flight deals to Heathrow Airport

Find the latest flights to Heathrow in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 6 July 2026.

Return from

฿26,786

One-way from

฿11,271

Popular in

July

Cheapest in

November

Average price

฿36,035
Air China
  • Air China
  • 16/8-13/9
  • 2 total stops
  • 39h 05m total
  • Bangkok to London
Search Deals
ไห่หนานแอร์ไลน์
  • ไห่หนานแอร์ไลน์
  • 12/7
  • 2 total stops
  • 38h 25m total
  • Bangkok to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (฿2,317 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿448 potential savings vs. average return price).
Search Deals
Average for return flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Locate flights to Heathrow that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 6 July 2026.
Use the filters below to find and compare flights to London Heathrow Airport that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 30/9

23:50-12:25

1 stop18h 35m

London Heathrow

Sun 4/10

22:15-20:45

1 stop16h 30m

฿32,057

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 7/8

03:00-18:40

2 stops21h 40m

London Heathrow

Sat 15/8

21:20-20:55

1 stop17h 35m

฿32,057

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 9/9

23:55-14:25

1 stop20h 30m

London Heathrow

Thu 8/10

19:50-20:45

1 stop18h 55m

฿32,256

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sun 4/10

23:50-14:25

1 stop20h 35m

London Heathrow

Thu 8/10

19:50-20:45

1 stop18h 55m

฿32,256

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 29/7

13:30-14:25

1 stop30h 55m

London Heathrow

Sun 30/8

09:05-12:30

1 stop21h 25m

฿32,952

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 14/12

21:00-05:55

1 stop15h 55m

London Heathrow

Sat 2/1

08:25-13:25

2 stops22h 00m

฿33,582

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Fri 31/7

13:30-20:15

1 stop36h 45m

London Heathrow

Thu 27/8

09:05-12:30

1 stop21h 25m

฿33,615

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Fri 24/7

13:30-14:25

1 stop30h 55m

London Heathrow

Sun 30/8

20:40-12:30

1 stop33h 50m

฿33,615

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Fri 31/7

13:30-20:15

1 stop36h 45m

London Heathrow

Wed 26/8

14:25-12:30

1 stop16h 05m

฿33,615

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Fri 31/7

13:30-20:15

1 stop36h 45m

London Heathrow

Fri 28/8

09:05-12:30

1 stop21h 25m

฿33,615

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 42 resultsSorted by cheapest first
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5

Best time to book a flight to Heathrow

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

Cheapflights Insights

Everything you need to know about your flight to London Heathrow Airport

How long is the flight to Heathrow?

On average, a flight from Bangkok to Heathrow takes 16 hours 0 minutes. Flights to Heathrow from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to Heathrow

The most flights from Bangkok to Heathrow are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

What are the most popular airlines that fly to Heathrow?

The most popular airlines flying from Bangkok to Heathrow are EVA Air, Thai Airways and เอทิฮัดแอร์เวย์.

EVA Air
EVA Air
From ฿32,039
Thai Airways
Thai Airways
From ฿36,608
เอทิฮัดแอร์เวย์
เอทิฮัดแอร์เวย์
From ฿12,082
Emirates
Emirates
From ฿28,624

What are the cheapest airlines that fly to Heathrow?

The cheapest airlines flying from Bangkok to Heathrow are China Southern, เอทิฮัดแอร์เวย์ and Finnair.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Heathrow ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit Heathrow when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Heathrow, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

When is the best time to book a flight to Heathrow?

The best time to book flights to Heathrow is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to 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 to Heathrow. Reviews last updated 6 July 2026.
Read reviews from past customers who have flown EVA Air,Emirates, andThai Airways to the United Kingdom. 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
1,489 reviews
Check prices

Overall

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
EVA Air
8.5
Very Good
1,489 reviews
EVA Air
8.5
Very Good
1,489 reviews
Check prices

Overall

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
Emirates
8.1
Very Good
3,607 reviews
EVA Air
8.5
Very Good
1,489 reviews
Check prices

Overall

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
Thai Airways
7.9
Good
409 reviews
EVA Air
8.5
Very Good
1,489 reviews
Check prices

Overall

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
Qatar Airways
7.3
Good
3,743 reviews
EVA Air
8.5
Very Good
1,489 reviews
Check prices

Overall

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
เอทิฮัดแอร์เวย์
7.3
Good
1,476 reviews
EVA Air
8.5
Very Good
1,489 reviews
Check prices

Overall

8.5

Crew

8.7

Food

8.1

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

FAQs about flying to Heathrow

  • Can I find cheaper flights to Heathrow if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Heathrow on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Heathrow?

    Based on reviews from Cheapflights users, China Southern is rated the highest out of the airlines that fly to Heathrow.

  • What is the cheapest airport to fly to in Heathrow?

    London Heathrow is currently the cheapest airport to fly to in Heathrow. One-way flights to London Heathrow typically cost ฿5,286, while return flights cost around ฿6,427.

  • How much is a return flight to Heathrow?

    A return flight to Heathrow will typically cost around ฿7,129, however they can be found for as little as ฿6,427.

  • Where does the fastest flight to Heathrow depart from?

    For those looking to save time traveling to Heathrow, Bangkok offers the quickest one-way flight (12 hours 35 minutes).

  • Does London Heathrow have rental cars?

    Yes. Those touching down at London Heathrow can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to London Heathrow?

    Yes. London Heathrow has hotels nearby for those requiring accommodations. Aerotel London Heathrow is the closest property to London Heathrow (0.0 km away from London Heathrow).

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Brentford

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