฿11,197+ 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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
6 Jul — 13 Jul1
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 June 2026.

Fri 10/703:15
BKK
-
LHR
1 stop15h 30m
Multiple Airlines
Tue 22/922:40
LHR
-
BKK
1 stop19h 30m
Multiple Airlines
Deal found 1/6฿25,657
Sun 7/619:20
BKK
-
LHR
2 stops30h 10m
Multiple Airlines
Sun 14/610:00
LHR
-
BKK
1 stop17h 45m
Multiple Airlines
Deal found 1/6฿25,723
Tue 9/607:30
BKK
-
LHR
1 stop18h 30m
Air India
Sat 13/621:05
LHR
-
BKK
1 stop16h 15m
Air India
Deal found 2/6฿26,082
Wed 1/713:50
BKK
-
LHR
1 stop34h 30m
Multiple Airlines
Thu 3/922:40
LHR
-
BKK
1 stop19h 30m
Multiple Airlines
Deal found 3/6฿26,147
Thu 18/611:55
BKK
-
LHR
1 stop35h 50m
Multiple Airlines
Mon 22/610:00
LHR
-
BKK
1 stop17h 45m
Multiple Airlines
Deal found 2/6฿26,180
Mon 29/603:15
BKK
-
LHR
1 stop17h 50m
เอทิฮัดแอร์เวย์
Tue 7/721:45
LHR
-
BKK
1 stop15h 30m
เอทิฮัดแอร์เวย์
Deal found 3/6฿26,212
Mon 15/614:45
BKK
-
LHR
1 stop25h 30m
Air India
Sat 20/621:05
LHR
-
BKK
1 stop16h 15m
Air India
Deal found 4/6฿26,245
Tue 21/703:15
BKK
-
LHR
1 stop21h 30m
เอทิฮัดแอร์เวย์
Wed 12/814:45
LHR
-
BKK
1 stop15h 25m
เอทิฮัดแอร์เวย์
Deal found 4/6฿26,310
Tue 16/619:20
BKK
-
LHR
1 stop30h 10m
ไห่หนานแอร์ไลน์
Wed 8/722:00
LHR
-
BKK
1 stop30h 00m
ไห่หนานแอร์ไลน์
Deal found 2/6฿26,343
Tue 9/609:15
BKK
-
LHR
1 stop15h 30m
เอทิฮัดแอร์เวย์
Fri 12/620:25
LHR
-
BKK
1 stop21h 25m
เอทิฮัดแอร์เวย์
Deal found 4/6฿26,376
Fri 26/620:20
BKK
-
LHR
1 stop19h 55m
Air India
Fri 3/712:30
LHR
-
BKK
1 stop19h 05m
Air India
Deal found 5/6฿26,408
Wed 8/723:50
DMK
-
LHR
1 stop22h 20m
Emirates
Wed 18/1109:10
LHR
-
DMK
1 stop28h 05m
Emirates
Deal found 3/6฿31,370

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 June 2026.

Return from

฿25,494

One-way from

฿11,197

Popular in

January

Cheapest in

November

Average price

฿30,456
กัลฟ์แอร์
  • กัลฟ์แอร์
  • 19/9-27/9
  • 2 total stops
  • 33h 45m total
  • Bangkok to London
IndiGo
  • IndiGo
  • 17/6
  • 1 total stop
  • 35h 50m total
  • Bangkok to London
Highest demand for flights based on searches. 0% potential increase in price.
Cheapest flight prices on average. 0% potential price decrease (฿293 potential savings vs. average return price).
Average for return flights in June 2026

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 June 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

Wed 16/9

15:55-07:00

1 stop21h 05m

London Heathrow

Wed 7/10

21:45-23:50

1 stop20h 05m

฿27,877

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Thu 12/11

22:55-11:40

1 stop19h 45m

London Heathrow

Mon 16/11

22:00-20:15

1 stop15h 15m

฿31,598

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 11/11

22:55-11:40

1 stop19h 45m

London Heathrow

Sun 15/11

22:00-20:15

1 stop15h 15m

฿31,762

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Tue 15/9

23:50-14:25

1 stop20h 35m

London Heathrow

Wed 23/9

19:50-20:45

1 stop18h 55m

฿31,794

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Thu 17/9

23:50-14:25

1 stop20h 35m

London Heathrow

Fri 2/10

22:15-20:45

1 stop16h 30m

฿31,794

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Thu 1/10

23:50-14:25

1 stop20h 35m

London Heathrow

Wed 14/10

16:50-20:45

1 stop21h 55m

฿31,827

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 7/10

23:50-14:25

1 stop20h 35m

London Heathrow

Sun 1/11

19:00-20:15

1 stop18h 15m

฿31,827

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 16/9

23:50-12:25

1 stop18h 35m

London Heathrow

Wed 7/10

22:15-20:45

1 stop16h 30m

฿32,904

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 9/9

07:05-09:10

1 stop32h 05m

London Heathrow

Thu 17/9

18:10-00:10

2 stops24h 00m

฿33,590

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 7/9

14:15-19:10

2 stops34h 55m

London Heathrow

Sun 4/10

20:50-17:45

1 stop14h 55m

฿34,177

Flights are sorted by cheapest return flights first.

Deals found on 3/6

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 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 (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 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 June 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.

Crew

8.7

Boarding

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

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

Crew

8.7

Boarding

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

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

Crew

8.7

Boarding

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

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

Crew

8.7

Boarding

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

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

Crew

8.7

Boarding

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

CRK - TPE

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

Crew

8.7

Boarding

8.4

Food

8.1

Entertainment

8.0

Comfort

8.3

Overall

8.5

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 ฿5,205, while return flights cost around ฿8,488.

  • How much is a return flight to Heathrow?

    A return flight to Heathrow will typically cost around ฿9,843, however they can be found for as little as ฿8,488.

  • 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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Not ready to book yet? You can track prices for flights to Heathrow on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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