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฿4,557+ Cheap flights from London Heathrow Airport

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LHR — BKK
4 May — 11 May1
1 adult

What to know about flights from Heathrow

Discover essential information about flights departing from Heathrow, including flight schedules, destinations, airlines operating at the Heathrow airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 29 April 2025.

Cheapest airline

Air India

Good round-trip deal

฿13,955 or less

Good one-way deal

฿3,450 or less
On average, Air India currently has the cheapest one-way flight from London Heathrow (avg. price of ฿28,611).
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Price to beat on a round-trip flight from London Heathrow.
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Price to beat on a one-way flight from London Heathrow.
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Cheapest flights from Heathrow
Explore the most affordable flight options available from Heathrow. Find the lowest fares based on data from user searches, with prices last updated on 29 April 2025.

Fri 13/622:00LHR - BKK
2 stops38h 15mไห่หนานแอร์ไลน์
Tue 24/611:05BKK - LHR
1 stop38h 25mไห่หนานแอร์ไลน์
Deal found 28/4฿18,364
Thu 8/521:20LHR - BKK
1 stop17h 35mChina Eastern
Fri 16/519:10BKK - LHR
1 stop29h 30mChina Eastern
Deal found 28/4฿18,397
Sat 24/522:05LHR - BKK
1 stop31h 05mShenzhen Airlines
Thu 19/619:30BKK - LHR
1 stop30h 30mShenzhen Airlines
Deal found 28/4฿18,732
Wed 17/922:10LHR - BKK
1 stop32h 40mChina Southern
Tue 2/1202:10BKK - LHR
1 stop23h 05mChina Southern
Deal found 28/4฿19,469
Tue 13/522:40LHR - BKK
2 stops22h 30mAir China
Tue 10/601:30BKK - LHR
1 stop22h 15mAir China
Deal found 28/4฿19,503
Sat 10/510:00LHR - BKK
1 stop21h 45mซาอุเดียแอร์ไลน์
Tue 24/615:25BKK - LHR
1 stop22h 05mซาอุเดียแอร์ไลน์
Deal found 27/4฿20,240
Wed 14/522:00LHR - BKK
2 stops29h 45mMultiple Airlines
Tue 20/501:30BKK - LHR
1 stop24h 00mMultiple Airlines
Deal found 28/4฿21,447
Tue 9/921:05LHR - BKK
1 stop16h 30mAir India
Sat 27/920:50BKK - LHR
1 stop19h 25mAir India
Deal found 28/4฿22,217
Thu 12/621:00LHR - CNX
2 stops31h 25mChina Southern
Thu 19/618:50CNX - LHR
1 stop30h 10mChina Southern
Deal found 28/4฿22,452
Wed 14/521:20LHR - CNX
2 stops29h 45mChina Eastern
Wed 21/516:20CNX - LHR
2 stops32h 20mChina Eastern
Deal found 28/4฿22,720
Thu 12/621:00LHR - HKT
2 stops36h 40mChina Southern
Thu 19/616:40HKT - LHR
1 stop32h 20mChina Southern
Deal found 27/4฿22,854
Thu 8/522:40LHR - HKT
1 stop37h 05mAir China
Fri 23/514:00HKT - LHR
1 stop36h 15mAir China
Deal found 28/4฿22,921

Find flights from Heathrow within your budget

Find flights departing from Heathrow that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 29 April 2025. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 13/6

22:00-18:15

2 stops38h 15m

Bangkok Suvarnabhumi

Tue 24/6

11:05-19:30

1 stop38h 25m

฿18,364

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 8/5

21:20-20:55

1 stop17h 35m

Bangkok Suvarnabhumi

Tue 20/5

02:10-18:40

1 stop22h 30m

฿18,397

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 24/5

22:05-11:10

1 stop31h 05m

Bangkok Suvarnabhumi

Sat 7/6

03:15-20:00

1 stop22h 45m

฿18,732

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 17/9

22:10-12:50

1 stop32h 40m

Bangkok Suvarnabhumi

Tue 2/12

02:10-18:15

1 stop23h 05m

฿19,469

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 13/5

22:40-03:10

2 stops22h 30m

Bangkok Suvarnabhumi

Tue 10/6

01:30-17:45

1 stop22h 15m

฿19,503

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 10/5

10:00-13:45

1 stop21h 45m

Bangkok Suvarnabhumi

Sat 5/7

15:25-07:30

1 stop22h 05m

฿20,240

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 14/5

22:00-09:45

2 stops29h 45m

Bangkok Suvarnabhumi

Tue 20/5

01:30-19:30

1 stop24h 00m

฿21,447

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 9/9

21:05-19:35

1 stop16h 30m

Bangkok Suvarnabhumi

Sat 27/9

20:50-10:15

1 stop19h 25m

฿22,217

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Thu 12/6

21:00-10:25

2 stops31h 25m

Chiang Mai

Thu 19/6

18:50-19:00

1 stop30h 10m

฿22,452

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Wed 14/5

21:20-09:05

2 stops29h 45m

Chiang Mai

Wed 21/5

16:20-18:40

2 stops32h 20m

฿22,720

Flights are sorted by cheapest return flights first.

Deals found on 27/4

Showing 1-10 of 60 results
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Best time to book a flight from Heathrow

Have a flexible travel schedule? Discover the best time to fly from 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.

Travel insights for flights from Heathrow

Get recent, data-driven insights about flights from Heathrow including ideal travel times, pricing trends, and more.

When is the best time to book a flight from London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Heathrow to Suvarnabhumi. Price data was last updated on 25 April 2025.

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport (average of ฿18,364). Flying from London Heathrow Airport in July will prove the most costly (average of ฿26,071). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from London Heathrow Airport?

Many airlines operate round-trip flights from London Heathrow Airport: Thai Airways, EVA Air, Qatar Airways, เอทิฮัดแอร์เวย์, Air China. These airlines fly to the following popular destinations: Bangkok.

Thai Airways

Thai Airways

From ฿874

EVA Air

EVA Air

From ฿900

Qatar Airways

Qatar Airways

From ฿736

เอทิฮัดแอร์เวย์

เอทิฮัดแอร์เวย์

From ฿695

What are popular destinations to fly to from London Heathrow Airport?

If you’re flying from London Heathrow Airport, these routes are more frequently taken by airlines New York (1,885 flights per day), Paris (794 flights per day) and Chicago (752 flights per day).

Muscat Seeb

Muscat Seeb

From ฿705

Doha Hamad Intl

Doha Hamad Intl

From ฿772

Abu Dhabi Zayed Intl

Abu Dhabi Zayed Intl

From ฿674

Amsterdam Schiphol

Amsterdam Schiphol

From ฿106

What is the cheapest place to fly to from London Heathrow Airport?

The cheapest city to fly to from London Heathrow Airport is Paris, with prices starting at ฿2,481. Explore other affordable destinations below.

Paris

Paris

From ฿74

Stockholm

Stockholm

From ฿103

Amsterdam Schiphol

Amsterdam Schiphol

From ฿106

Sofia

Sofia

From ฿179

Airline reviews for flights from Heathrow

Get insights into the airlines that provide service from Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Heathrow. In the last 7 days, Cheapflights users made a total of 17,341 searches.
ไห่หนานแอร์ไลน์
8.1
Very Good
38 reviews
Check prices

Boarding

8.6

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

9.0

Food

8.5

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
ไห่หนานแอร์ไลน์
8.1
Very Good
38 reviews
ไห่หนานแอร์ไลน์
8.1
Very Good
38 reviews
Check prices

Boarding

8.6

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

9.0

Food

8.5

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Singapore Airlines
8.1
Very Good
1,292 reviews
ไห่หนานแอร์ไลน์
8.1
Very Good
38 reviews
Check prices

Boarding

8.6

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

9.0

Food

8.5

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
China Southern
7.5
Good
96 reviews
ไห่หนานแอร์ไลน์
8.1
Very Good
38 reviews
Check prices

Boarding

8.6

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

9.0

Food

8.5

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
ซาอุเดียแอร์ไลน์
7.4
Good
611 reviews
ไห่หนานแอร์ไลน์
8.1
Very Good
38 reviews
Check prices

Boarding

8.6

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

9.0

Food

8.5

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

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Alternate flight departure points to Heathrow

Consider leaving from one of these other departure points that are located a short distance from Heathrow. Flight origins were last updated on 29 April 2025.
Flights from London City
Flights from Gatwick
Flights from Luton
Flights from Stansted
Flights from Manchester
Flights from Newcastle upon Tyne
Flights from Birmingham
Flights from Edinburgh
Flights from Norwich
Flights from East Midlands
Flights from Liverpool
Flights from Southampton

Related info for your journey

Access useful and relevant information related to your journey from Heathrow. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 29 April 2025.

  • What are the most popular destinations to fly to from London Heathrow Airport?

    The most selected flight destinations from London Heathrow Airport for the current month are Bangkok Suvarnabhumi Airport, Accra, Bengaluru. While Bangkok Suvarnabhumi Airport, Ahmedabad, Amritsar are the top choices made by travellers year-round.

  • What is the cheapest flight from London Heathrow Airport to anywhere?

    Users have flown out of London Heathrow Airport for as low as ฿2,481 to Paris Orly Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿27,396 to fly from London Heathrow Airport.

  • What are the cheapest airlines flying from London Heathrow Airport to anywhere?

    According to our data, users have found เวอร์จินแอตแลนติก, Air India, and Shenzhen Airlines to have the cheapest round-trip prices from London Heathrow Airport. Some of the destinations and prices are as follows: เวอร์จินแอตแลนติก flights from London Heathrow Airport to Orlando (฿17,058). Air India flights from London Heathrow Airport to Bangkok Suvarnabhumi (฿17,612). Shenzhen Airlines flights from London Heathrow Airport to Bangkok Suvarnabhumi (฿17,851).

  • What is the cheapest premium economy flight from London Heathrow Airport?

    If you're looking for an elevated level of comfort for your next adventure, premium economy flights from London Heathrow Airport may suit your needs. The cheapest premium economy flights from London Heathrow Airport are:
    Fly London Heathrow to New Delhi from ฿48,136
    Fly London Heathrow to Amsterdam from ฿48,164
    Fly London Heathrow to Paris Charles de Gaulle Airport from ฿48,481
    Fly London Heathrow to Dubai from ฿49,700

  • What is the cheapest first class flight from London Heathrow Airport?

    If you’re looking to fly first-class from London Heathrow Airport to anywhere, put Singapore on your list as prices start at ฿234,085 for this destination.

  • What is the cheapest month to fly from London Heathrow Airport?

    At the present moment the cheapest month to fly from London Heathrow Airport is currently November; with July being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from London Heathrow Airport?

    Here are some of the cheapest flight destinations from London Heathrow Airport:
    Fly from London to Bangkok from ฿17,124
    Fly from London to Phuket City from ฿19,402
    Fly from London to Ko Samui from ฿24,462

  • How does Cheapflights help users find flights from Heathrow?

    Deals for flights from Heathrow are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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

    Cheapflights helps you find that perfect flight from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from Heathrow with no change fees?

    Certainly. Search results for flights from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

    Yes! Start tracking prices for flights from Heathrow today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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How does Cheapflights help users find flights from Heathrow?

Deals for flights from Heathrow are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Heathrow with no change fees?

Certainly. Search results for flights from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for flights from Heathrow today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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