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฿11,063+ Cheap flights from London Heathrow Airport

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 19/2. 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
18 Feb — 25 Feb1
1 adult
1 adult, Economy, 0 bags

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 19 January 2026.

Cheapest airline

บริติชแอร์เวย์

Good round-trip deal

฿14,675 or less

Good one-way deal

฿3,226 or less
On average, บริติชแอร์เวย์ currently has the cheapest one-way flight from London Heathrow (avg. price of ฿26,912).
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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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Find flights from Heathrow

Enter your travel dates to find the best prices.

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 19 January 2026.

Tue 3/321:00
LHR
-
CNX
1 stop18h 20m
China Eastern
Wed 1/416:20
CNX
-
LHR
2 stops32h 20m
China Eastern
Deal found 18/1฿16,610
Sun 15/320:25
LHR
-
CNX
1 stop18h 25m
Air China
Sun 22/323:05
CNX
-
LHR
1 stop25h 50m
Air China
Deal found 19/1฿16,642
Tue 3/321:00
LHR
-
CNX
1 stop18h 20m
China Eastern
Tue 31/314:55
CNX
-
LHR
1 stop33h 45m
China Eastern
Deal found 18/1฿16,798
Thu 5/317:40
LHR
-
CNX
1 stop21h 10m
Air China
Thu 12/323:05
CNX
-
LHR
1 stop25h 45m
Air China
Deal found 19/1฿16,892
Wed 4/321:00
LHR
-
BKK
1 stop18h 25m
China Eastern
Sun 8/313:35
BKK
-
LHR
1 stop34h 55m
China Eastern
Deal found 18/1฿16,955
Wed 11/319:45
LHR
-
BKK
1 stop31h 20m
ไห่หนานแอร์ไลน์
Thu 14/519:20
BKK
-
LHR
2 stops30h 10m
ไห่หนานแอร์ไลน์
Deal found 17/1฿16,987
Fri 27/221:00
LHR
-
BKK
2 stops30h 05m
ไห่หนานแอร์ไลน์
Sun 8/319:10
BKK
-
LHR
2 stops29h 45m
ไห่หนานแอร์ไลน์
Deal found 17/1฿17,018
Thu 5/320:30
LHR
-
BKK
1 stop16h 05m
Air India
Mon 16/320:50
BKK
-
LHR
1 stop21h 15m
Air India
Deal found 17/1฿17,049
Wed 11/322:00
LHR
-
BKK
1 stop15h 20m
Air India
Wed 25/320:50
BKK
-
LHR
1 stop21h 15m
Air India
Deal found 17/1฿17,081
Wed 4/219:45
LHR
-
BKK
1 stop31h 20m
ไห่หนานแอร์ไลน์
Tue 24/311:10
BKK
-
LHR
1 stop36h 10m
ไห่หนานแอร์ไลน์
Deal found 18/1฿17,112
Thu 26/208:45
LHR
-
BKK
1 stop16h 05m
Air India
Thu 26/320:50
BKK
-
LHR
1 stop21h 15m
Air India
Deal found 17/1฿17,143
Tue 3/321:00
LHR
-
BKK
1 stop24h 45m
China Eastern
Wed 1/419:10
BKK
-
LHR
1 stop29h 30m
China Eastern
Deal found 18/1฿17,175

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 19 January 2026. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Sat 18/4

21:20-22:45

1 stop19h 25m

Phuket City

Sun 3/5

18:55-18:40

2 stops29h 45m

฿18,177

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 9/4

21:20-12:20

2 stops33h 00m

Bangkok Suvarnabhumi

Sun 10/5

20:50-18:40

2 stops51h 50m

฿18,397

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 6/3

13:30-13:35

1 stop17h 05m

Bangkok Suvarnabhumi

Mon 16/3

20:50-11:05

1 stop21h 15m

฿19,494

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 12/5

20:35-20:25

1 stop17h 50m

Bangkok Suvarnabhumi

Tue 26/5

08:40-19:00

1 stop16h 20m

฿19,525

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 29/4

09:45-07:40

1 stop15h 55m

Bangkok Suvarnabhumi

Wed 13/5

17:55-12:05

1 stop24h 10m

฿19,556

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 8/4

21:05-19:20

1 stop16h 15m

Bangkok Suvarnabhumi

Tue 21/4

14:45-10:15

1 stop25h 30m

฿19,556

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 7/3

13:30-13:35

1 stop17h 05m

Bangkok Suvarnabhumi

Sat 21/3

20:50-11:05

1 stop21h 15m

฿19,901

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Wed 11/3

21:00-22:45

1 stop18h 45m

Phuket City

Tue 24/3

00:05-17:30

1 stop24h 25m

฿20,998

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Fri 30/1

21:00-22:45

1 stop18h 45m

Phuket City

Sun 8/2

00:05-17:30

1 stop24h 25m

฿21,029

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Fri 30/1

21:00-18:45

2 stops38h 45m

Phuket City

Tue 3/2

00:05-17:30

1 stop24h 25m

฿21,217

Flights are sorted by cheapest return flights first.

Deals found on 18/1

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 16 January 2026.

Booking 24 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, May is the cheapest month in which you can book a flight from London Heathrow Airport (average of ฿16,642). Flying from London Heathrow Airport in July will prove the most costly (average of ฿22,973). 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: EVA Air, Thai Airways, เอทิฮัดแอร์เวย์, Qatar Airways, โอมานแอร์. These airlines fly to the following popular destinations: Bangkok.

EVA Air
EVA Air
From ฿29,268
Thai Airways
Thai Airways
From ฿27,280
เอทิฮัดแอร์เวย์
เอทิฮัดแอร์เวย์
From ฿21,644
Qatar Airways
Qatar Airways
From ฿24,062

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 (1,932 flights per day), Paris (721 flights per day) and Madrid (399 flights per day).

Doha Hamad Intl
Doha Hamad Intl
From ฿24,333
Muscat Seeb
Muscat Seeb
From ฿13,326
Zurich
Zurich
From ฿15,203

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

The cheapest city to fly to from London Heathrow Airport is Stockholm, with prices starting at ฿3,226. Explore other affordable destinations below.

Stockholm
Stockholm
From ฿3,226
Edinburgh Turnhouse
Edinburgh Turnhouse
From ฿11,287
Salzburg W.A. Mozart
Salzburg W.A. Mozart
From ฿11,381
Beijing
Beijing
From ฿12,654

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.
Read reviews from past customers who have flown EVA Air, Emirates, andThai Airways from London Heathrow Airport. 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
1,325 reviews
Check prices

Boarding

8.4

Overall

8.4

Crew

8.6

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
EVA Air
8.4
Very Good
1,325 reviews
EVA Air
8.4
Very Good
1,325 reviews
Check prices

Boarding

8.4

Overall

8.4

Crew

8.6

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
Emirates
8.1
Very Good
3,479 reviews
EVA Air
8.4
Very Good
1,325 reviews
Check prices

Boarding

8.4

Overall

8.4

Crew

8.6

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
Thai Airways
7.8
Good
379 reviews
EVA Air
8.4
Very Good
1,325 reviews
Check prices

Boarding

8.4

Overall

8.4

Crew

8.6

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
Qatar Airways
7.4
Good
3,720 reviews
EVA Air
8.4
Very Good
1,325 reviews
Check prices

Boarding

8.4

Overall

8.4

Crew

8.6

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.
เอทิฮัดแอร์เวย์
7.3
Good
1,373 reviews
EVA Air
8.4
Very Good
1,325 reviews
Check prices

Boarding

8.4

Overall

8.4

Crew

8.6

Food

8.1

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

TPE - SFO

I like the flight attendants the most. The are very helpful.

Browse thousands of different options on Cheapflights for your next trip

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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 19 January 2026.
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 19 January 2026.

  • 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 Mumbai, Bangkok Suvarnabhumi Airport, Ahmedabad. While Bangkok Suvarnabhumi Airport, Mumbai, Ahmedabad 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 ฿3,226 to Stockholm Arlanda Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿31,264 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 ไห่หนานแอร์ไลน์, Shenzhen Airlines, and China Southern to have the cheapest round-trip prices from London Heathrow Airport. Some of the destinations and prices are as follows: ไห่หนานแอร์ไลน์ flights from London Heathrow Airport to Bangkok Suvarnabhumi (฿11,929). Shenzhen Airlines flights from London Heathrow Airport to Bangkok Suvarnabhumi (฿15,046). China Southern flights from London Heathrow Airport to Bangkok Suvarnabhumi (฿15,878).

  • 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 Vienna from ฿43,472
    Fly London Heathrow to Helsinki from ฿46,694
    Fly London Heathrow to New Delhi from ฿50,640
    Fly London Heathrow to Paris Charles de Gaulle Airport from ฿55,624

  • 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 Abu Dhabi on your list as prices start at ฿238,115 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 May; 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 ฿15,419
    Fly from London to Phuket City from ฿16,642
    Fly from London to Krabi from ฿19,368
    Fly from London to Ko Samui from ฿21,907

  • 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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