Find flights
Deals
Airlines

฿4,812+ 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 15/4. 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 Apr — 25 Apr1
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 19 March 2026. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Mon 11/5

16:15-19:25

2 stops21h 10m

Chiang Rai

Sat 27/6

08:25-07:30

2 stops29h 05m

฿21,783

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Mon 11/5

21:20-22:00

1 stop18h 40m

Phuket City

Wed 13/5

00:05-18:40

1 stop24h 35m

฿21,848

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Wed 13/5

21:20-13:25

1 stop34h 05m

Chiang Mai

Sun 17/5

14:55-18:40

1 stop33h 45m

฿21,848

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Fri 1/5

16:15-19:25

2 stops21h 10m

Chiang Rai

Fri 8/5

08:25-12:40

2 stops34h 15m

฿24,806

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Mon 4/5

21:20-09:15

2 stops29h 55m

Chiang Mai

Mon 1/6

14:55-18:40

1 stop33h 45m

฿25,456
Fastest return journey

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Mon 6/4

20:45-18:30

1 stop15h 45m

Phuket City

Wed 22/4

03:20-12:45

1 stop15h 25m

฿26,107

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Mon 18/5

21:20-18:00

2 stops62h 40m

Phuket City

Sun 31/5

23:05-18:40

1 stop25h 35m

฿26,399

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Sun 17/5

21:20-13:25

1 stop34h 05m

Chiang Mai

Fri 22/5

14:55-18:40

1 stop33h 45m

฿26,399

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Wed 13/5

09:30-06:25

1 stop14h 55m

Chiang Mai

Sun 17/5

09:30-12:45

1 stop33h 15m

฿26,659

LondonHat Yai

LHR - HDY

LHRHDY

London Heathrow

Mon 25/5

16:15-20:00

2 stops21h 45m

Hat Yai

Mon 8/6

09:05-12:40

2 stops33h 35m

฿26,984

Flights are sorted by cheapest return flights first.

Deals found on 14/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 13 March 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 ฿16,873). Flying from London Heathrow Airport in July will prove the most costly (average of ฿23,213). 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 ฿30,580
Thai Airways
Thai Airways
From ฿28,870
เอทิฮัดแอร์เวย์
เอทิฮัดแอร์เวย์
From ฿21,797
Qatar Airways
Qatar Airways
From ฿22,937

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 (1,966 flights per day), Paris (825 flights per day) and Madrid (433 flights per day).

Muscat Seeb
Muscat Seeb
From ฿15,873
Doha Hamad Intl
Doha Hamad Intl
From ฿16,597
Vienna Intl
Vienna Intl
From ฿57,937

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 ฿4,972. Explore other affordable destinations below.

Barcelona-El Prat
Barcelona-El Prat
From ฿4,972
Kastrup Copenhagen
Kastrup Copenhagen
From ฿5,726
Paris
Paris
From ฿7,076

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
1,379 reviews
Check prices

Food

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.4

Comfort

8.3

Overall

8.5

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
1,379 reviews
EVA Air
8.5
Very Good
1,379 reviews
Check prices

Food

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.4

Comfort

8.3

Overall

8.5

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
8.1
Very Good
117 reviews
EVA Air
8.5
Very Good
1,379 reviews
Check prices

Food

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.4

Comfort

8.3

Overall

8.5

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
394 reviews
EVA Air
8.5
Very Good
1,379 reviews
Check prices

Food

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.4

Comfort

8.3

Overall

8.5

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
3,736 reviews
EVA Air
8.5
Very Good
1,379 reviews
Check prices

Food

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.4

Comfort

8.3

Overall

8.5

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
1,428 reviews
EVA Air
8.5
Very Good
1,379 reviews
Check prices

Food

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.4

Comfort

8.3

Overall

8.5

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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 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 March 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 ฿3,175 to Luqa (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿32,950 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 (฿12,375). Shenzhen Airlines flights from London Heathrow Airport to Bangkok Suvarnabhumi (฿15,608). China Southern flights from London Heathrow Airport to Bangkok Suvarnabhumi (฿16,471).

  • 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 ฿44,846
    Fly London Heathrow to Vienna from ฿45,096
    Fly London Heathrow to Helsinki from ฿48,439
    Fly London Heathrow to Paris Charles de Gaulle Airport from ฿57,702

  • 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 ฿247,011 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 ฿16,321
    Fly from London to Phuket City from ฿17,946
    Fly from London to Ko Samui from ฿21,653

  • 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.

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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.