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฿8,447+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
27 Feb — 6 Mar1
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 28 January 2026.

Thu 5/211:10
BKK
-
LHR
2 stops37h 25m
Multiple Airlines
Wed 18/211:30
LHR
-
BKK
2 stops26h 35m
Multiple Airlines
Deal found 26/1฿19,565
Sun 1/218:55
BKK
-
LHR
1 stop29h 05m
Multiple Airlines
Mon 16/221:00
LHR
-
BKK
2 stops30h 05m
Multiple Airlines
Deal found 27/1฿19,627
Thu 28/511:05
BKK
-
LHR
2 stops38h 25m
Multiple Airlines
Thu 4/621:20
LHR
-
BKK
1 stop21h 20m
Multiple Airlines
Deal found 26/1฿19,720
Thu 5/219:10
BKK
-
LHR
2 stops29h 25m
Multiple Airlines
Tue 24/222:05
LHR
-
BKK
1 stop18h 25m
Multiple Airlines
Deal found 27/1฿19,875
Tue 27/115:45
BKK
-
LHR
1 stop33h 50m
Multiple Airlines
Mon 2/321:00
LHR
-
BKK
2 stops30h 05m
Multiple Airlines
Deal found 26/1฿19,907
Sun 8/213:55
BKK
-
LHR
1 stop34h 05m
Multiple Airlines
Mon 16/221:00
LHR
-
BKK
2 stops30h 05m
Multiple Airlines
Deal found 27/1฿20,000
Tue 26/511:05
BKK
-
LHR
1 stop38h 25m
Multiple Airlines
Tue 2/621:20
LHR
-
BKK
1 stop21h 20m
Multiple Airlines
Deal found 25/1฿20,031
Tue 12/511:05
BKK
-
LHR
1 stop38h 25m
Multiple Airlines
Thu 14/521:20
LHR
-
BKK
1 stop21h 20m
Multiple Airlines
Deal found 26/1฿20,062
Tue 27/109:30
BKK
-
LHR
1 stop15h 50m
แอร์ฟร้านซ์
Mon 2/309:00
LHR
-
BKK
1 stop15h 15m
แอร์ฟร้านซ์
Deal found 26/1฿20,155
Thu 7/519:20
BKK
-
LHR
2 stops30h 10m
ไห่หนานแอร์ไลน์
Mon 25/522:00
LHR
-
BKK
2 stops30h 00m
ไห่หนานแอร์ไลน์
Deal found 27/1฿20,186
Thu 28/511:05
BKK
-
LHR
1 stop38h 25m
Multiple Airlines
Sat 30/520:25
LHR
-
BKK
1 stop21h 45m
Multiple Airlines
Deal found 27/1฿20,310
Sat 7/320:55
DMK
-
LHR
2 stops23h 50m
Multiple Airlines
Tue 17/322:10
LHR
-
DMK
1 stop17h 25m
Multiple Airlines
Deal found 26/1฿25,031

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 28 January 2026.

Return from

฿19,689

One-way from

฿8,447

Popular in

January

Cheapest in

November

Average price

฿32,049
23/3-7/4
  • 23/3-7/4
  • 2 total stops
  • 49h 50m total
  • Bangkok to London
Search Deals
ไห่หนานแอร์ไลน์
  • ไห่หนานแอร์ไลน์
  • 8/3
  • 2 total stops
  • 29h 45m total
  • Bangkok to London
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (฿201 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿299 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 28 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

Tue 31/3

13:20-18:40

2 stops35h 20m

London Heathrow

Tue 16/6

21:20-01:15

2 stops45h 55m

฿22,608

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 9/3

20:05-18:25

1 stop29h 20m

London Heathrow

Wed 11/3

20:05-17:45

1 stop14h 40m

฿23,136

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 25/2

20:05-18:25

1 stop29h 20m

London Heathrow

Wed 4/3

20:05-06:45

1 stop27h 40m

฿23,136

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 14/3

18:40-15:25

1 stop27h 45m

London Heathrow

Sat 21/3

21:25-23:10

1 stop18h 45m

฿23,416

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 24/4

19:10-19:10

1 stop30h 00m

London Heathrow

Mon 18/5

08:25-06:50

1 stop16h 25m

฿23,664

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sun 29/3

19:45-16:35

1 stop26h 50m

London Heathrow

Thu 2/4

11:00-16:20

1 stop23h 20m

฿23,944

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 11/3

14:15-05:35

1 stop22h 20m

London Heathrow

Sat 4/4

11:00-10:15

1 stop17h 15m

฿24,037

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 9/3

17:05-05:35

1 stop19h 30m

London Heathrow

Wed 1/4

11:00-13:25

1 stop20h 25m

฿24,037

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Sat 25/4

19:45-16:35

1 stop26h 50m

London Heathrow

Mon 4/5

11:00-13:25

1 stop20h 25m

฿24,068

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 22/4

19:45-16:35

1 stop26h 50m

London Heathrow

Wed 20/5

21:35-23:05

1 stop19h 30m

฿24,099

Flights are sorted by cheapest return flights first.

Deals found on 27/1

Showing 1-10 of 41 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 23 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 22 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 ฿29,613
Thai Airways
Thai Airways
From ฿31,442
เอทิฮัดแอร์เวย์
เอทิฮัดแอร์เวย์
From ฿12,505
Emirates
Emirates
From ฿26,716

What are the cheapest airlines that fly to Heathrow?

The cheapest airlines flying from Bangkok to Heathrow are โอมานแอร์, 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 28 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
1,334 reviews
Check prices

Crew

8.6

Overall

8.4

Boarding

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
EVA Air
8.4
Very Good
1,334 reviews
EVA Air
8.4
Very Good
1,334 reviews
Check prices

Crew

8.6

Overall

8.4

Boarding

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
Emirates
8.1
Very Good
3,489 reviews
EVA Air
8.4
Very Good
1,334 reviews
Check prices

Crew

8.6

Overall

8.4

Boarding

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
Thai Airways
7.8
Good
380 reviews
EVA Air
8.4
Very Good
1,334 reviews
Check prices

Crew

8.6

Overall

8.4

Boarding

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
เอทิฮัดแอร์เวย์
7.3
Good
1,375 reviews
EVA Air
8.4
Very Good
1,334 reviews
Check prices

Crew

8.6

Overall

8.4

Boarding

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.
บริติชแอร์เวย์
6.7
Okay
7,705 reviews
EVA Air
8.4
Very Good
1,334 reviews
Check prices

Crew

8.6

Overall

8.4

Boarding

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Jolene,Jan 2026

SGN - TPE

Everything was good. I asked for aisle seating as I must stretch my leg out because of back and pelvis issues. Sometimes I don't always get it. But I did for all 3 of my flights for my destination. It was very nice.

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, โอมานแอร์ 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 ฿2,383, while return flights cost around ฿8,075.

  • How much is a return flight to Heathrow?

    A return flight to Heathrow will typically cost around ฿9,364, however they can be found for as little as ฿8,075.

  • 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
Waterlooville

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