Find flights
Deals
Airlines

฿8,874+ 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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
24 Mar — 31 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 22 February 2026.

Tue 12/511:05
BKK
-
LHR
1 stop38h 25m
ไห่หนานแอร์ไลน์
Mon 1/622:00
LHR
-
BKK
2 stops30h 00m
ไห่หนานแอร์ไลน์
Deal found 18/2฿19,827
Wed 1/402:10
BKK
-
LHR
2 stops22h 30m
China Eastern
Wed 22/421:20
LHR
-
BKK
2 stops46h 15m
China Eastern
Deal found 18/2฿19,889
Thu 5/319:10
BKK
-
LHR
2 stops29h 25m
Multiple Airlines
Sun 8/321:10
LHR
-
BKK
1 stop22h 05m
Multiple Airlines
Deal found 20/2฿19,920
Sun 24/511:05
BKK
-
LHR
2 stops38h 25m
Multiple Airlines
Sun 7/622:40
LHR
-
BKK
1 stop19h 30m
Multiple Airlines
Deal found 18/2฿20,013
Thu 2/419:55
BKK
-
LHR
1 stop29h 05m
Multiple Airlines
Tue 7/421:05
LHR
-
BKK
1 stop21h 05m
Multiple Airlines
Deal found 19/2฿20,075
Fri 6/308:20
BKK
-
LHR
1 stop17h 15m
Multiple Airlines
Tue 10/319:50
LHR
-
BKK
1 stop22h 30m
Multiple Airlines
Deal found 18/2฿20,106
Sun 22/311:10
BKK
-
LHR
2 stops37h 45m
Multiple Airlines
Tue 24/321:05
LHR
-
BKK
1 stop21h 15m
Multiple Airlines
Deal found 20/2฿20,137
Thu 2/411:05
BKK
-
LHR
2 stops38h 25m
ไห่หนานแอร์ไลน์
Fri 10/422:00
LHR
-
BKK
2 stops38h 15m
ไห่หนานแอร์ไลน์
Deal found 20/2฿20,168
Sun 29/311:05
BKK
-
LHR
2 stops38h 25m
Multiple Airlines
Sat 11/422:40
LHR
-
BKK
1 stop37h 40m
Multiple Airlines
Deal found 18/2฿20,199
Mon 11/518:05
BKK
-
LHR
1 stop30h 55m
Multiple Airlines
Mon 15/622:40
LHR
-
BKK
1 stop19h 30m
Multiple Airlines
Deal found 18/2฿20,230
Thu 2/415:55
BKK
-
LHR
1 stop33h 05m
Multiple Airlines
Wed 13/522:40
LHR
-
BKK
1 stop19h 30m
Multiple Airlines
Deal found 18/2฿20,261
Tue 19/519:20
BKK
-
LHR
1 stop30h 10m
Multiple Airlines
Tue 26/506:20
LHR
-
BKK
2 stops35h 30m
Multiple Airlines
Deal found 21/2฿20,292

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 22 February 2026.

Return from

฿19,796

One-way from

฿8,874

Popular in

January

Cheapest in

November

Average price

฿27,491
Air China
  • Air China
  • 1/4-1/5
  • 2 total stops
  • 51h 05m total
  • Bangkok to London
Search Deals
China Southern
  • China Southern
  • 1/4
  • 1 total stop
  • 30h 00m total
  • Bangkok to London
Search Deals
Highest demand for flights based on searches. 0% potential increase in price.
Search Deals
Cheapest flight prices on average. 0% potential price decrease (฿281 potential savings vs. average return price).
Search Deals
Average for return flights in February 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 22 February 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 23/5

19:10-06:30

1 stop17h 20m

London Heathrow

Wed 3/6

20:50-17:45

1 stop14h 55m

฿23,457

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Mon 9/3

20:05-18:25

1 stop29h 20m

London Heathrow

Wed 11/3

20:05-06:45

1 stop27h 40m

฿24,202

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Thu 5/3

20:05-18:25

1 stop29h 20m

London Heathrow

Tue 17/3

20:05-17:45

1 stop14h 40m

฿24,605

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Thu 5/3

20:55-13:45

2 stops23h 50m

London Heathrow

Thu 12/3

21:35-22:35

1 stop18h 00m

฿24,853

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Wed 27/5

19:10-19:10

1 stop30h 00m

London Heathrow

Mon 8/6

20:50-06:55

1 stop28h 05m

฿25,133

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Fri 22/5

09:50-18:40

1 stop38h 50m

London Heathrow

Thu 25/6

21:20-14:55

2 stops35h 35m

฿25,505

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 15/4

20:50-21:05

2 stops30h 15m

London Heathrow

Tue 28/4

21:45-22:45

1 stop19h 00m

฿25,598

BangkokLondon

BKK - LHR

BKKLHR

Bangkok Suvarnabhumi

Tue 21/7

22:15-16:55

1 stop24h 40m

London Heathrow

Tue 18/8

19:50-18:30

1 stop16h 40m

฿25,908

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Wed 20/5

20:35-11:30

2 stops20h 55m

London Heathrow

Sun 24/5

22:05-01:15

1 stop21h 10m

฿26,436

BangkokLondon

DMK - LHR

DMKLHR

Bangkok Don Mueang Intl

Mon 20/4

20:50-15:25

2 stops24h 35m

London Heathrow

Fri 24/4

22:10-01:55

1 stop21h 45m

฿26,498

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 46 results
1
2
3
...
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 20 February 2026.

The best time to book flights to Heathrow is 45 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 16 hours 0 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 ฿29,563
Thai Airways
Thai Airways
From ฿31,414
เอทิฮัดแอร์เวย์
เอทิฮัดแอร์เวย์
From ฿12,494
Emirates
Emirates
From ฿26,791

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 22 February 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
1,358 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Food

8.1

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
1,358 reviews
EVA Air
8.4
Very Good
1,358 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Food

8.1

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
3,525 reviews
EVA Air
8.4
Very Good
1,358 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Food

8.1

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
384 reviews
EVA Air
8.4
Very Good
1,358 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Food

8.1

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
1,406 reviews
EVA Air
8.4
Very Good
1,358 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Food

8.1

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
7,757 reviews
EVA Air
8.4
Very Good
1,358 reviews
Check prices

Entertainment

8.0

Boarding

8.4

Crew

8.6

Overall

8.4

Comfort

8.3

Food

8.1

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 ฿2,381, while return flights cost around ฿8,068.

  • How much is a return flight to Heathrow?

    A return flight to Heathrow will typically cost around ฿9,356, however they can be found for as little as ฿8,068.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Heathrow by cabin class

Find flights to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Premium Economy Class
Economy class

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Heathrow?

When you search for this flight to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets to Heathrow?

Cheapflights simply makes it quick and affordable to book flights to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights to Heathrow with no change fees?

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

Can Cheapflights notify me if prices for flights to Heathrow become cheaper?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.