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฿12,422+ 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 16/9. 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
16 May — 23 May1
1 adult
1 adult, Economy, 0 bags

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

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Wed 10/6

09:30-06:45

1 stop15h 15m

Bangkok Suvarnabhumi

Sun 14/6

03:15-12:45

1 stop15h 30m

฿24,267

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 3/9

14:45-11:50

1 stop15h 05m

Bangkok Suvarnabhumi

Mon 30/11

20:10-06:40

1 stop17h 30m

฿24,715

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Sun 17/5

21:45-07:50

1 stop28h 05m

Phuket City

Wed 20/5

08:55-18:45

1 stop15h 50m

฿26,636

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Tue 26/5

09:30-19:25

2 stops27h 55m

Chiang Rai

Tue 2/6

13:40-18:45

2 stops35h 05m

฿27,277

LondonTrat

LHR - TDX

LHRTDX

London Heathrow

Thu 14/5

16:00-17:15

2 stops19h 15m

Trat

Thu 21/5

13:10-08:00

2 stops24h 50m

฿27,533

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Wed 27/5

09:30-16:00

3 stops24h 30m

Chiang Rai

Wed 3/6

16:30-18:45

3 stops32h 15m

฿28,301

LondonHat Yai

LHR - HDY

LHRHDY

London Heathrow

Sun 7/6

21:45-21:35

2 stops17h 50m

Hat Yai

Wed 10/6

22:10-18:45

2 stops26h 35m

฿29,454

LondonHat Yai

LHR - HDY

LHRHDY

London Heathrow

Thu 10/9

21:45-21:35

2 stops41h 50m

Hat Yai

Mon 14/9

22:10-07:00

2 stops38h 50m

฿29,582

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Thu 28/5

07:40-14:05

2 stops24h 25m

Phuket City

Thu 4/6

20:45-07:35

1 stop16h 50m

฿30,958

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Sun 17/5

21:20-18:00

2 stops38h 40m

Phuket City

Tue 19/5

00:05-18:40

1 stop24h 35m

฿31,631

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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 10 April 2026.

Booking 85 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 ฿25,740). Flying from London Heathrow Airport in July will prove the most costly (average of ฿38,386). 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 ฿29,816
Thai Airways
Thai Airways
From ฿28,920
เอทิฮัดแอร์เวย์
เอทิฮัดแอร์เวย์
From ฿21,412
Qatar Airways
Qatar Airways
From ฿22,587

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 (1,980 flights per day), Paris (719 flights per day) and Dublin (383 flights per day).

Abu Dhabi Zayed Intl
Abu Dhabi Zayed Intl
From ฿14,701
Dubai Intl
Dubai Intl
From ฿27,937
Muscat Seeb
Muscat Seeb
From ฿21,794

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

The cheapest city to fly to from London Heathrow Airport is Barcelona-El Prat, with prices starting at ฿4,896. Explore other affordable destinations below.

Barcelona-El Prat
Barcelona-El Prat
From ฿4,896

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
8.5
Very Good
1,417 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.5

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
EVA Air
8.5
Very Good
1,417 reviews
EVA Air
8.5
Very Good
1,417 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.5

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
โอมานแอร์
8.0
Very Good
119 reviews
EVA Air
8.5
Very Good
1,417 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.5

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Thai Airways
7.8
Good
396 reviews
EVA Air
8.5
Very Good
1,417 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.5

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Qatar Airways
7.4
Good
3,728 reviews
EVA Air
8.5
Very Good
1,417 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.5

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
เอทิฮัดแอร์เวย์
7.3
Good
1,430 reviews
EVA Air
8.5
Very Good
1,417 reviews
Check prices

Entertainment

8.0

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.5

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

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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 16 April 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 16 April 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 Bangkok Suvarnabhumi Airport, Mumbai, Accra. 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 ฿2,952 to Inverness (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿20,833 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 (฿12,186). Shenzhen Airlines flights from London Heathrow Airport to Bangkok Suvarnabhumi (฿15,370). China Southern flights from London Heathrow Airport to Bangkok Suvarnabhumi (฿16,220).

  • 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 Bangkok Suvarnabhumi Airport from ฿37,209
    Fly London Heathrow to Vienna from ฿44,407
    Fly London Heathrow to Helsinki from ฿47,699
    Fly London Heathrow to Newark Airport from ฿50,414

  • 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 ฿243,239 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 ฿16,168
    Fly from London to Phuket City from ฿18,409
    Fly from London to Ko Samui from ฿21,674

  • 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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