฿8,412+ Cheap flights to Heathrow

— LHR
5 Dec — 12 Dec1
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

Tue 10/1118:10 -
1 stop32h 00m
Fri 27/1121:10 -
1 stop31h 00m
Deal found 31/10฿22,780
Mon 2/1112:35 -
1 stop36h 55m
Tue 17/1109:00 -
2 stops19h 35m
Deal found 31/10฿22,813
Tue 1/1205:40 -
1 stop22h 55m
Sat 5/1206:40 -
1 stop23h 15m
Deal found 1/11฿22,847
Mon 16/1108:30 -
1 stop16h 40m
Sun 29/1121:10 -
1 stop21h 10m
Deal found 3/11฿22,880
Thu 19/1114:40 -
1 stop23h 00m
Sun 22/1121:10 -
1 stop36h 55m
Deal found 2/11฿22,914
Tue 10/1122:10 -
2 stops27h 00m
Wed 25/1121:10 -
1 stop21h 10m
Deal found 31/10฿22,948
Mon 9/1117:50 -
2 stops19h 50m
Sun 22/1121:10 -
1 stop21h 10m
Deal found 31/10฿22,981
Fri 13/1108:30 -
1 stop16h 30m
Sun 15/1121:10 -
1 stop31h 00m
Deal found 3/11฿23,015
Thu 3/1219:30 -
2 stops29h 15m
Mon 7/1206:00 -
2 stops18h 15m
Deal found 3/11฿23,049
Mon 7/1202:55 -
1 stop16h 10m
Wed 6/121:10 -
1 stop21h 10m
Deal found 3/11฿23,082
Sat 7/1121:25 -
2 stops45h 40m
Mon 23/1121:10 -
1 stop21h 10m
Deal found 31/10฿23,116
Fri 6/1112:35 -
1 stop16h 05m
Fri 20/1112:30 -
1 stop21h 05m
Deal found 4/11฿23,217

Find flight deals to Heathrow Airport

Return from

฿22,780

One-way from

฿8,378

Popular in

July

Cheapest in

February

Average price

฿29,004
ไห่หนานแอร์ไลน์
  • ไห่หนานแอร์ไลน์
  • 17/12-4/1
  • 4 total stops
  • 59h 20m total
  • Bangkok to London
สแกนดอเนเวียนแอร์ไลน์
  • สแกนดอเนเวียนแอร์ไลน์
  • 12/11-31/12
  • 1 total stop
  • 27h 45m total
  • Bangkok to London
Highest demand for flights based on searches. 6% potential increase in price (฿2,239 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (฿433 potential savings vs. average return price).
Average for return flights in November 2026

Cheapflights Fare Finder

 
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 Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Sat 14/11

12:35-12:55

2 stops31h 20m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿9,018

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Sun 6/12

14:40-12:05

1 stop28h 25m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿10,094

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Wed 25/11

02:00-12:15

1 stop17h 15m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿16,117

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Wed 9/12

18:00-19:10

2 stops56h 10m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿19,886

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Wed 18/11

08:05-14:30

2 stops61h 25m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿21,198

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Tue 5/1

11:15-09:10

1 stop28h 55m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿21,299

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Thu 31/12

19:10-05:55

1 stop17h 45m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿23,116

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Sat 28/11

11:20-07:15

2 stops50h 55m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿24,563

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Sun 4/4

03:15-19:50

1 stop22h 35m

London Heathrow

Fri 16/4

22:05-02:15

1 stop22h 10m

฿25,673

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Tue 5/1

14:45-06:35

2 stops22h 50m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿28,735

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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

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 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 cheapest airlines that fly to Heathrow?

The cheapest airlines flying from Bangkok to Heathrow are เอทิฮัดแอร์เวย์, Finnair and โอมานแอร์.

Rainfall in Heathrow 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

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 78 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

Read reviews from past customers who have flown EVA Air,Emirates, andโอมานแอร์ 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

Overall

8.5

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Crew

8.7

Overall

8.5

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Crew

8.7

Overall

8.5

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Crew

8.7

Overall

8.5

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Crew

8.7

Overall

8.5

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Crew

8.7

Overall

8.5

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

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, EVA Air 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 ฿5,671, while return flights cost around ฿32,737.

  • How much is a return flight to Heathrow?

    A return flight to Heathrow will typically cost around ฿34,998, however they can be found for as little as ฿32,737.

  • 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 (13 hours 0 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

Browse thousands of different options on Cheapflights for your next trip

Search flights to Heathrow by cabin class

Fly with Cheapflights

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.