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฿8,053+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
5 Feb — 12 Feb1
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 January 2026.

Tue 3/211:10BKK - LHR
1 stop36h 10mMultiple Airlines
Tue 10/222:05LHR - BKK
1 stop18h 25mMultiple Airlines
Deal found 4/1฿19,238
Sun 5/411:05BKK - LHR
2 stops38h 25mMultiple Airlines
Thu 9/406:40LHR - BKK
2 stops21h 30mMultiple Airlines
Deal found 5/1฿19,301
Sun 31/519:20BKK - LHR
2 stops30h 10mMultiple Airlines
Sun 14/621:20LHR - BKK
1 stop21h 20mMultiple Airlines
Deal found 6/1฿19,364
Thu 5/211:10BKK - LHR
2 stops37h 25mไห่หนานแอร์ไลน์
Fri 20/221:00LHR - BKK
2 stops30h 05mไห่หนานแอร์ไลน์
Deal found 4/1฿19,426
Thu 28/519:20BKK - LHR
2 stops30h 10mMultiple Airlines
Thu 18/621:20LHR - BKK
1 stop24h 45mMultiple Airlines
Deal found 5/1฿19,458
Tue 20/111:10BKK - LHR
1 stop36h 10mMultiple Airlines
Wed 18/221:00LHR - BKK
1 stop24h 05mMultiple Airlines
Deal found 5/1฿19,489
Thu 22/111:10BKK - LHR
2 stops37h 25mไห่หนานแอร์ไลน์
Wed 4/219:45LHR - BKK
1 stop31h 20mไห่หนานแอร์ไลน์
Deal found 5/1฿19,552
Sun 29/311:05BKK - LHR
2 stops38h 25mไห่หนานแอร์ไลน์
Wed 8/422:00LHR - BKK
1 stop30h 00mไห่หนานแอร์ไลน์
Deal found 3/1฿19,740
Mon 9/320:40BKK - LHR
2 stops24h 05mMultiple Airlines
Tue 17/321:05LHR - BKK
1 stop21h 15mMultiple Airlines
Deal found 4/1฿19,990
Thu 5/211:10BKK - LHR
2 stops37h 25mMultiple Airlines
Wed 18/206:30LHR - BKK
3 stops25h 00mMultiple Airlines
Deal found 5/1฿20,053
Wed 4/220:55DMK - LHR
2 stops18h 10mMultiple Airlines
Sun 8/206:00LHR - DMK
2 stops17h 35mMultiple Airlines
Deal found 5/1฿24,628
Sat 14/216:50DMK - LHR
2 stops20h 50mMultiple Airlines
Fri 20/208:50LHR - DMK
2 stops28h 55mMultiple Airlines
Deal found 4/1฿24,972

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 January 2026.

Return from

฿19,207

One-way from

฿8,053

Popular in

January

Cheapest in

November

Average price

฿32,273
China Eastern
  • China Eastern
  • 30/1-4/2
  • 2 total stops
  • 60h 30m total
  • Bangkok to London
Search Deals
8/2
  • 8/2
  • 2 total stops
  • 42h 50m total
  • Bangkok to London
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (฿231 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿291 potential savings vs. average return price).
Search Deals
Average for return flights in January 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 January 2026.
Use the filters below to find and compare flights to London Heathrow Airport that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 9/5

19:10-06:30

1 stop17h 20m

London Heathrow

Tue 19/5

20:50-17:45

1 stop14h 55m

฿23,406

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 20/2

20:05-05:55

1 stop16h 50m

London Heathrow

Tue 17/3

20:05-17:45

1 stop14h 40m

฿24,596

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 4/2

20:55-08:05

2 stops18h 10m

London Heathrow

Sun 8/2

06:00-06:35

2 stops17h 35m

฿24,628

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Thu 5/3

13:25-06:40

2 stops24h 15m

London Heathrow

Mon 9/3

08:50-12:50

2 stops21h 00m

฿25,004

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 4/2

20:55-08:05

2 stops18h 10m

London Heathrow

Wed 11/2

06:00-06:35

2 stops17h 35m

฿25,223

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Mon 2/2

20:55-08:05

2 stops18h 10m

London Heathrow

Mon 9/2

06:00-06:35

2 stops17h 35m

฿26,163

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Mon 9/3

13:40-11:05

2 stops28h 25m

London Heathrow

Tue 17/3

22:00-02:30

1 stop21h 30m

฿26,539

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Tue 20/1

16:50-06:40

2 stops20h 50m

London Heathrow

Tue 27/1

08:50-14:40

2 stops22h 50m

฿27,448

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 6/5

14:15-19:10

2 stops34h 55m

London Heathrow

Sat 23/5

08:25-06:55

1 stop16h 30m

฿27,542

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Sat 4/4

18:35-11:40

2 stops23h 05m

London Heathrow

Wed 8/4

18:25-20:55

2 stops20h 30m

฿27,542

Flights are sorted by cheapest return flights first.

Deals found on 5/1

Showing 1-10 of 45 results
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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?

Use this chart to determine the optimal time to book a return flight from Bangkok to Heathrow. Price data was last updated on 2 January 2026.

The best time to book flights to Heathrow is 56 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 50 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 Emirates.

EVA Air
EVA Air
From ฿30,026
Thai Airways
Thai Airways
From ฿31,723
เอทิฮัดแอร์เวย์
เอทิฮัดแอร์เวย์
From ฿22,641
Emirates
Emirates
From ฿26,955

What are the cheapest airlines that fly to Heathrow?

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

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 6 January 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
8.4
Very Good
1,313 reviews
Check prices

Food

8.1

Crew

8.6

Overall

8.4

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
EVA Air
8.4
Very Good
1,313 reviews
EVA Air
8.4
Very Good
1,313 reviews
Check prices

Food

8.1

Crew

8.6

Overall

8.4

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
Emirates
8.1
Very Good
3,460 reviews
EVA Air
8.4
Very Good
1,313 reviews
Check prices

Food

8.1

Crew

8.6

Overall

8.4

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
Thai Airways
7.8
Good
373 reviews
EVA Air
8.4
Very Good
1,313 reviews
Check prices

Food

8.1

Crew

8.6

Overall

8.4

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
เอทิฮัดแอร์เวย์
7.3
Good
1,356 reviews
EVA Air
8.4
Very Good
1,313 reviews
Check prices

Food

8.1

Crew

8.6

Overall

8.4

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
บริติชแอร์เวย์
6.7
Okay
7,657 reviews
EVA Air
8.4
Very Good
1,313 reviews
Check prices

Food

8.1

Crew

8.6

Overall

8.4

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.

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, คูเวตแอร์เวย์ 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 ฿2,404, while return flights cost around ฿8,147.

  • How much is a return flight to Heathrow?

    A return flight to Heathrow will typically cost around ฿9,448, however they can be found for as little as ฿8,147.

  • 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 30 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
Waterlooville

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