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฿11,550+ 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 1/2. 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
3 Feb — 10 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 4 January 2026.

Cheapest airline

บริติชแอร์เวย์

Good round-trip deal

฿14,736 or less

Good one-way deal

฿3,240 or less
On average, บริติชแอร์เวย์ currently has the cheapest one-way flight from London Heathrow (avg. price of ฿27,103).
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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 4 January 2026.

Tue 3/321:00LHR - CNX
1 stop18h 20mChina Eastern
Tue 31/314:55CNX - LHR
1 stop33h 45mChina Eastern
Deal found 4/1฿16,523
Thu 29/121:00LHR - CNX
1 stop34h 20mChina Eastern
Tue 3/223:20CNX - LHR
1 stop25h 10mChina Eastern
Deal found 4/1฿16,838
Wed 21/121:00LHR - CNX
1 stop34h 20mChina Eastern
Mon 2/223:20CNX - LHR
1 stop25h 10mChina Eastern
Deal found 4/1฿16,869
Wed 14/121:00LHR - CNX
1 stop34h 20mChina Eastern
Wed 28/115:35CNX - LHR
1 stop32h 55mChina Eastern
Deal found 3/1฿16,932
Tue 3/221:00LHR - CNX
1 stop18h 20mChina Eastern
Tue 10/216:25CNX - LHR
2 stops32h 05mChina Eastern
Deal found 3/1฿16,964
Tue 17/221:00LHR - CNX
1 stop18h 20mChina Eastern
Tue 24/223:20CNX - LHR
1 stop25h 10mChina Eastern
Deal found 3/1฿17,058
Wed 25/219:45LHR - BKK
1 stop31h 20mไห่หนานแอร์ไลน์
Tue 17/311:10BKK - LHR
1 stop36h 10mไห่หนานแอร์ไลน์
Deal found 3/1฿17,216
Sun 25/121:00LHR - BKK
2 stops34h 05mChina Eastern
Wed 4/200:55BKK - LHR
1 stop23h 35mChina Eastern
Deal found 4/1฿17,247
Mon 26/121:00LHR - CNX
1 stop34h 20mChina Eastern
Sun 22/315:35CNX - LHR
1 stop32h 55mChina Eastern
Deal found 4/1฿17,247
Sun 25/121:00LHR - BKK
1 stop18h 25mChina Eastern
Sat 7/201:55BKK - LHR
1 stop22h 35mChina Eastern
Deal found 3/1฿17,278
Tue 20/121:00LHR - BKK
2 stops21h 15mChina Eastern
Tue 10/310:45BKK - LHR
1 stop37h 45mChina Eastern
Deal found 2/1฿17,310
Sun 18/121:00LHR - BKK
1 stop32h 20mChina Eastern
Tue 27/101:55BKK - LHR
1 stop22h 35mChina Eastern
Deal found 4/1฿17,341

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 4 January 2026. 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

Wed 25/2

19:20-23:25

1 stop21h 05m

Bangkok Suvarnabhumi

Mon 22/6

03:15-07:00

1 stop33h 45m

฿20,268

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 1/5

20:55-11:50

1 stop32h 55m

Bangkok Suvarnabhumi

Sun 14/6

15:05-15:05

1 stop30h 00m

฿20,772

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Tue 7/4

14:45-23:50

1 stop27h 05m

Bangkok Suvarnabhumi

Mon 11/5

15:05-12:45

1 stop27h 40m

฿20,803

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 13/5

14:45-11:50

1 stop15h 05m

Bangkok Suvarnabhumi

Mon 8/6

03:15-15:05

1 stop17h 50m

฿20,835

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Wed 4/3

21:00-09:05

2 stops29h 05m

Chiang Mai

Sun 15/3

15:35-17:30

1 stop32h 55m

฿21,401

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Wed 4/3

08:50-06:10

1 stop14h 20m

Chiang Mai

Sun 15/3

08:50-06:40

1 stop28h 50m

฿21,559

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 4/3

20:05-06:45

1 stop27h 40m

Bangkok Suvarnabhumi

Sat 14/3

20:05-05:55

1 stop16h 50m

฿21,653

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Wed 29/4

09:30-05:55

1 stop14h 25m

Chiang Mai

Sat 16/5

09:30-15:05

1 stop35h 35m

฿21,748

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Thu 30/4

14:45-05:55

1 stop33h 10m

Chiang Mai

Sat 16/5

09:30-12:45

1 stop33h 15m

฿21,748

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Tue 3/3

17:40-21:50

1 stop21h 10m

Chiang Mai

Mon 30/3

23:05-20:25

1 stop27h 20m

฿21,842

Flights are sorted by cheapest return flights first.

Deals found on 2/1

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 2 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 ฿16,712). Flying from London Heathrow Airport in July will prove the most costly (average of ฿23,164). 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 ฿29,311
Thai Airways
Thai Airways
From ฿27,444
เอทิฮัดแอร์เวย์
เอทิฮัดแอร์เวย์
From ฿21,735
Qatar Airways
Qatar Airways
From ฿24,163

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 (1,892 flights per day), Paris (805 flights per day) and Madrid (437 flights per day).

Doha Hamad Intl
Doha Hamad Intl
From ฿15,135
Abu Dhabi Zayed Intl
Abu Dhabi Zayed Intl
From ฿23,843

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 ฿3,240. Explore other affordable destinations below.

Stockholm
Stockholm
From ฿3,240
Edinburgh Turnhouse
Edinburgh Turnhouse
From ฿11,334
Salzburg W.A. Mozart
Salzburg W.A. Mozart
From ฿11,429
Calgary
Calgary
From ฿14,736

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, โอมานแอร์, 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
1,311 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Overall

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
EVA Air
8.4
Very Good
1,311 reviews
EVA Air
8.4
Very Good
1,311 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Overall

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
โอมานแอร์
8.0
Very Good
113 reviews
EVA Air
8.4
Very Good
1,311 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Overall

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
Thai Airways
7.8
Good
373 reviews
EVA Air
8.4
Very Good
1,311 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Overall

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
Qatar Airways
7.4
Good
3,698 reviews
EVA Air
8.4
Very Good
1,311 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Overall

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
เอทิฮัดแอร์เวย์
7.3
Good
1,355 reviews
EVA Air
8.4
Very Good
1,311 reviews
Check prices

Boarding

8.4

Entertainment

8.0

Comfort

8.3

Overall

8.4

Crew

8.6

Food

8.1

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.

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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 4 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 4 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 ฿3,240 to Stockholm Arlanda Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿31,890 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 Shenzhen Airlines, China Southern, and Air India to have the cheapest round-trip prices from London Heathrow Airport. Some of the destinations and prices are as follows: Shenzhen Airlines flights from London Heathrow Airport to Bangkok Suvarnabhumi (฿15,109). China Southern flights from London Heathrow Airport to Bangkok Suvarnabhumi (฿15,945). Air India flights from London Heathrow Airport to Bangkok Suvarnabhumi (฿16,541).

  • 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 ฿43,655
    Fly London Heathrow to Helsinki from ฿46,891
    Fly London Heathrow to New Delhi from ฿50,853
    Fly London Heathrow to Paris Charles de Gaulle Airport from ฿55,859

  • 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 ฿239,119 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 ฿16,429
    Fly from London to Phuket City from ฿16,523
    Fly from London to Chiang Mai from ฿16,555
    Fly from London to Ko Samui from ฿22,723

  • 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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