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฿11,496+ 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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
5 May — 12 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 5 April 2026.

Fri 1/509:40
BKK
-
LHR
1 stop15h 05m
เอทิฮัดแอร์เวย์
Tue 23/620:50
LHR
-
BKK
1 stop21h 00m
เอทิฮัดแอร์เวย์
Deal found 5/4฿22,080
Tue 14/409:15
BKK
-
LHR
1 stop16h 05m
เอทิฮัดแอร์เวย์
Tue 28/421:10
LHR
-
BKK
1 stop15h 00m
เอทิฮัดแอร์เวย์
Deal found 4/4฿22,112
Mon 1/603:15
BKK
-
LHR
1 stop15h 30m
เอทิฮัดแอร์เวย์
Wed 24/621:45
LHR
-
BKK
1 stop20h 05m
เอทิฮัดแอร์เวย์
Deal found 4/4฿22,145
Fri 1/509:40
BKK
-
LHR
1 stop27h 20m
เอทิฮัดแอร์เวย์
Wed 13/521:45
LHR
-
BKK
1 stop20h 05m
เอทิฮัดแอร์เวย์
Deal found 3/4฿22,210
Tue 21/420:50
BKK
-
LHR
1 stop22h 40m
เอทิฮัดแอร์เวย์
Tue 5/521:45
LHR
-
BKK
1 stop14h 25m
เอทิฮัดแอร์เวย์
Deal found 4/4฿22,243
Tue 30/609:45
BKK
-
LHR
1 stop15h 00m
เอทิฮัดแอร์เวย์
Wed 8/709:30
LHR
-
BKK
1 stop14h 45m
เอทิฮัดแอร์เวย์
Deal found 4/4฿22,373
Thu 23/409:15
BKK
-
LHR
1 stop16h 05m
เอทิฮัดแอร์เวย์
Mon 4/521:45
LHR
-
BKK
1 stop20h 05m
เอทิฮัดแอร์เวย์
Deal found 4/4฿22,503
Mon 1/609:45
BKK
-
LHR
1 stop15h 00m
เอทิฮัดแอร์เวย์
Wed 10/621:45
LHR
-
BKK
1 stop14h 25m
เอทิฮัดแอร์เวย์
Deal found 4/4฿22,536
Tue 28/420:50
BKK
-
LHR
1 stop22h 40m
เอทิฮัดแอร์เวย์
Tue 19/509:30
LHR
-
BKK
1 stop15h 15m
เอทิฮัดแอร์เวย์
Deal found 5/4฿22,601
Tue 21/420:50
BKK
-
LHR
1 stop22h 40m
เอทิฮัดแอร์เวย์
Sun 3/509:30
LHR
-
BKK
1 stop15h 15m
เอทิฮัดแอร์เวย์
Deal found 4/4฿22,666
Tue 28/420:50
BKK
-
LHR
1 stop16h 35m
เอทิฮัดแอร์เวย์
Wed 27/520:45
LHR
-
BKK
1 stop15h 25m
เอทิฮัดแอร์เวย์
Deal found 5/4฿22,698
Sat 9/509:40
BKK
-
LHR
1 stop15h 05m
เอทิฮัดแอร์เวย์
Fri 5/621:45
LHR
-
BKK
1 stop14h 25m
เอทิฮัดแอร์เวย์
Deal found 4/4฿22,731

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 5 April 2026.

Return from

฿21,982

One-way from

฿11,496

Popular in

January

Cheapest in

November

Average price

฿33,413
17/5-10/6
  • 17/5-10/6
  • 4 total stops
  • 61h 15m total
  • Bangkok to London
Search Deals
เอทิฮัดแอร์เวย์
  • เอทิฮัดแอร์เวย์
  • 14/4
  • 1 total stop
  • 16h 05m 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 5 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

Thu 23/4

09:15-19:20

1 stop16h 05m

London Heathrow

Sun 3/5

09:30-06:45

1 stop15h 15m

฿22,503

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 19/4

02:30-13:55

1 stop17h 25m

London Heathrow

Mon 18/5

15:25-13:05

1 stop15h 40m

฿28,072

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Mon 6/7

21:05-15:05

2 stops24h 00m

London Heathrow

Thu 23/7

21:45-04:35

2 stops24h 50m

฿28,951

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 19/4

19:00-08:00

1 stop19h 00m

London Heathrow

Wed 13/5

15:25-14:15

1 stop16h 50m

฿29,081

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 7/9

20:15-15:20

1 stop25h 05m

London Heathrow

Tue 22/9

22:05-09:45

1 stop29h 40m

฿30,840

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 10/9

20:15-15:20

1 stop25h 05m

London Heathrow

Tue 22/9

22:05-09:45

1 stop29h 40m

฿31,068

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 14/7

09:55-20:25

1 stop16h 30m

London Heathrow

Fri 24/7

15:35-13:25

1 stop15h 50m

฿32,436

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 9/9

21:35-07:05

1 stop15h 30m

London Heathrow

Wed 30/9

14:25-16:20

2 stops19h 55m

฿34,618

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 29/8

09:15-22:10

1 stop18h 55m

London Heathrow

Sun 13/9

17:00-13:25

1 stop14h 25m

฿35,627
Fastest return journey

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 21/5

12:20-19:20

Nonstop13h 00m

London Heathrow

Tue 9/6

21:35-15:30

Nonstop11h 55m

฿38,623

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 46 resultsSorted by cheapest first
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2
3
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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

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

Use this chart to determine the optimal time to book a return flight from Bangkok to Heathrow. Price data was last updated on 3 April 2026.

The best time to book flights to Heathrow is 61 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 17 hours 27 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 ฿30,896
Thai Airways
Thai Airways
From ฿32,971
เอทิฮัดแอร์เวย์
เอทิฮัดแอร์เวย์
From ฿13,113
Emirates
Emirates
From ฿28,016

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 5 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
1,400 reviews
Check prices

Boarding

8.4

Overall

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
EVA Air
8.5
Very Good
1,400 reviews
EVA Air
8.5
Very Good
1,400 reviews
Check prices

Boarding

8.4

Overall

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Emirates
8.1
Very Good
3,556 reviews
EVA Air
8.5
Very Good
1,400 reviews
Check prices

Boarding

8.4

Overall

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Thai Airways
7.8
Good
395 reviews
EVA Air
8.5
Very Good
1,400 reviews
Check prices

Boarding

8.4

Overall

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
เอทิฮัดแอร์เวย์
7.3
Good
1,428 reviews
EVA Air
8.5
Very Good
1,400 reviews
Check prices

Boarding

8.4

Overall

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
บริติชแอร์เวย์
6.7
Okay
7,857 reviews
EVA Air
8.5
Very Good
1,400 reviews
Check prices

Boarding

8.4

Overall

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

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 ฿2,499, while return flights cost around ฿8,467.

  • How much is a return flight to Heathrow?

    A return flight to Heathrow will typically cost around ฿9,820, however they can be found for as little as ฿8,467.

  • 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
Waterlooville

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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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