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฿11,718+ 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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
23 May — 30 May1
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 23 April 2026.

Tue 3/1119:10
BKK
-
LHR
1 stop28h 10m
ไห่หนานแอร์ไลน์
Wed 4/1119:45
LHR
-
BKK
1 stop31h 20m
ไห่หนานแอร์ไลน์
Deal found 19/4฿22,373
Thu 7/519:20
BKK
-
LHR
2 stops30h 10m
Multiple Airlines
Tue 26/522:10
LHR
-
BKK
1 stop19h 55m
Multiple Airlines
Deal found 20/4฿22,406
Sun 17/519:20
BKK
-
LHR
2 stops30h 10m
Multiple Airlines
Mon 8/616:15
LHR
-
BKK
1 stop15h 30m
Multiple Airlines
Deal found 20/4฿22,438
Thu 7/519:20
BKK
-
LHR
2 stops30h 10m
Multiple Airlines
Sat 9/510:00
LHR
-
BKK
1 stop21h 45m
Multiple Airlines
Deal found 19/4฿22,567
Sun 24/519:20
BKK
-
LHR
2 stops30h 10m
Multiple Airlines
Tue 9/622:10
LHR
-
BKK
1 stop19h 55m
Multiple Airlines
Deal found 21/4฿22,599
Thu 4/619:20
BKK
-
LHR
1 stop30h 10m
Multiple Airlines
Sun 21/622:10
LHR
-
BKK
1 stop19h 55m
Multiple Airlines
Deal found 21/4฿22,663
Thu 4/611:05
BKK
-
LHR
2 stops38h 25m
Multiple Airlines
Mon 22/614:45
LHR
-
BKK
1 stop15h 05m
Multiple Airlines
Deal found 19/4฿22,695
Sun 7/620:15
BKK
-
LHR
1 stop16h 40m
Multiple Airlines
Sun 14/622:10
LHR
-
BKK
1 stop19h 55m
Multiple Airlines
Deal found 23/4฿22,728
Sun 17/519:20
BKK
-
LHR
2 stops30h 10m
Multiple Airlines
Mon 1/616:15
LHR
-
BKK
1 stop15h 30m
Multiple Airlines
Deal found 18/4฿22,760
Thu 4/619:20
BKK
-
LHR
2 stops30h 10m
Multiple Airlines
Thu 11/622:10
LHR
-
BKK
1 stop19h 55m
Multiple Airlines
Deal found 20/4฿22,856
Sun 17/519:20
BKK
-
LHR
2 stops30h 10m
Multiple Airlines
Sun 24/521:45
LHR
-
BKK
1 stop27h 00m
Multiple Airlines
Deal found 18/4฿22,921
Thu 14/513:35
DMK
-
LHR
2 stops23h 25m
Multiple Airlines
Sat 30/509:30
LHR
-
DMK
2 stops23h 15m
Multiple Airlines
Deal found 22/4฿27,653

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 23 April 2026.

Return from

฿22,309

One-way from

฿11,718

Popular in

January

Cheapest in

November

Average price

฿32,417
7/5-17/5
  • 7/5-17/5
  • 4 total stops
  • 50h 45m total
  • Bangkok to London
Search Deals
20/5
  • 20/5
  • 2 total stops
  • 59h 00m total
  • Bangkok to London
Search Deals
Highest demand for flights based on searches. 1% potential increase in price.
Search Deals
Cheapest flight prices on average. 0% potential price decrease (฿286 potential savings vs. average return price).
Search Deals
Average for return flights in April 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 23 April 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

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 3/8

09:45-18:45

1 stop15h 00m

London Heathrow

Mon 17/8

14:45-11:50

1 stop15h 05m

฿27,106

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 13/10

02:20-14:45

1 stop18h 25m

London Heathrow

Fri 30/10

10:45-10:05

1 stop16h 20m

฿28,908

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Mon 18/5

16:45-07:00

2 stops20h 15m

London Heathrow

Sat 6/6

09:30-15:50

3 stops24h 20m

฿29,971

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 16/5

09:00-19:10

1 stop16h 10m

London Heathrow

Fri 22/5

20:50-17:45

1 stop14h 55m

฿30,196

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Thu 8/10

23:50-16:10

1 stop22h 20m

London Heathrow

Sun 25/10

15:50-20:15

1 stop21h 25m

฿30,775

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Mon 21/9

23:50-14:25

1 stop20h 35m

London Heathrow

Thu 29/10

09:10-10:00

1 stop17h 50m

฿30,775

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 7/5

19:40-08:00

1 stop18h 20m

London Heathrow

Thu 15/10

19:25-19:05

1 stop17h 40m

฿30,904

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 7/10

23:50-14:25

1 stop20h 35m

London Heathrow

Wed 21/10

16:50-20:45

1 stop21h 55m

฿31,065

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 6/7

09:00-19:10

1 stop16h 10m

London Heathrow

Fri 7/8

08:25-06:50

1 stop16h 25m

฿31,291

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Fri 18/9

23:50-16:10

1 stop22h 20m

London Heathrow

Tue 29/9

09:05-11:10

1 stop20h 05m

฿31,387

Flights are sorted by cheapest return flights first.

Deals found on 18/4

Showing 1-10 of 37 resultsSorted by cheapest first
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3
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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

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

The best time to book flights to Heathrow is 60 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.

How long is the flight to Heathrow?

On average, a flight from Bangkok to Heathrow takes 15 hours 35 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 (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 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 ฿30,937
Thai Airways
Thai Airways
From ฿33,511
เอทิฮัดแอร์เวย์
เอทิฮัดแอร์เวย์
From ฿12,962
Emirates
Emirates
From ฿27,694

What are the cheapest airlines that fly to Heathrow?

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

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).

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 23 April 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
1,422 reviews
Check prices

Boarding

8.4

Crew

8.6

Overall

8.5

Comfort

8.3

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

What about midnight snacks to add? Used to have that before..
EVA Air
8.5
Very Good
1,422 reviews
EVA Air
8.5
Very Good
1,422 reviews
Check prices

Boarding

8.4

Crew

8.6

Overall

8.5

Comfort

8.3

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

What about midnight snacks to add? Used to have that before..
Emirates
8.1
Very Good
3,560 reviews
EVA Air
8.5
Very Good
1,422 reviews
Check prices

Boarding

8.4

Crew

8.6

Overall

8.5

Comfort

8.3

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

What about midnight snacks to add? Used to have that before..
Thai Airways
7.9
Good
401 reviews
EVA Air
8.5
Very Good
1,422 reviews
Check prices

Boarding

8.4

Crew

8.6

Overall

8.5

Comfort

8.3

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

What about midnight snacks to add? Used to have that before..
Qatar Airways
7.4
Good
3,729 reviews
EVA Air
8.5
Very Good
1,422 reviews
Check prices

Boarding

8.4

Crew

8.6

Overall

8.5

Comfort

8.3

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

What about midnight snacks to add? Used to have that before..
เอทิฮัดแอร์เวย์
7.3
Good
1,434 reviews
EVA Air
8.5
Very Good
1,422 reviews
Check prices

Boarding

8.4

Crew

8.6

Overall

8.5

Comfort

8.3

Entertainment

8.0

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

What about midnight snacks to add? Used to have that before..

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 ฿2,470, while return flights cost around ฿8,370.

  • How much is a return flight to Heathrow?

    A return flight to Heathrow will typically cost around ฿9,707, however they can be found for as little as ฿8,370.

  • 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. Aeropartment & Aerotel, London Heathrow Airport, Terminal 4, Ev Stations & Cheap Parking On Site! 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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Why should you use Cheapflights to find cheap flight tickets to Heathrow?

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Users can book flights with no change fees policies with our dedicated filters. Book flights to Heathrow flexibly with Cheapflights today.

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