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Cheap flights from London Heathrow Airport to Thailand from £314

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BKK
26 Feb — 5 Mar1
1 adult

Cheap flight deals from Heathrow to Thailand

Keep the following information in mind while searching for Heathrow to Thailand flight deals. Data was last updated 21 February 2025.

Round-trip from

£480

One-way from

£314

Popular in

December

Cheapest in

May

Average price

£658

Good round-trip deal

£663 or less

Good one-way deal

£432 or less
Air China
  • Air China
  • 10/5-24/5
  • 2 total stops
  • 62h 05m total
  • London to Thailand
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China Eastern
  • China Eastern
  • 6/3
  • 2 total stops
  • 23h 55m total
  • London to Thailand
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Thailand.
Search Deals
Price to beat on a one-way flight from London Heathrow to Thailand.
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Find flight deals from Heathrow to Thailand

Cheapest flights from Heathrow to Thailand
Explore the most affordable flight options available from Heathrow to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Sat 10/522:00LHR - BKK
1 stop37h 05mAir China
Sat 24/501:30BKK - LHR
1 stop25h 00mAir China
Deal found 20/2£480
Tue 25/221:00LHR - BKK
1 stop20h 55mChina Eastern
Sun 23/301:55BKK - LHR
1 stop19h 00mChina Eastern
Deal found 20/2£481
Thu 27/222:00LHR - BKK
1 stop30h 25mChina Southern
Wed 19/302:10BKK - LHR
1 stop23h 05mChina Southern
Deal found 21/2£486
Thu 20/321:00LHR - HKT
1 stop18h 45mMultiple Airlines
Sat 29/319:50HKT - LHR
1 stop29h 20mMultiple Airlines
Deal found 20/2£497
Tue 1/420:25LHR - HKT
1 stop39h 20mAir China
Mon 7/414:00HKT - LHR
1 stop36h 15mAir China
Deal found 21/2£498
Thu 27/222:00LHR - HKT
1 stop34h 35mChina Southern
Tue 27/516:40HKT - LHR
1 stop32h 20mChina Southern
Deal found 20/2£499
Wed 5/317:50LHR - HKT
1 stop21h 55mChina Eastern
Sun 16/318:15HKT - LHR
1 stop26h 40mChina Eastern
Deal found 20/2£501
Fri 21/320:30LHR - BKK
1 stop30h 40mAir India
Sat 5/414:45BKK - LHR
1 stop25h 30mAir India
Deal found 20/2£503
Thu 6/317:50LHR - CNX
3 stops32h 15mChina Eastern
Thu 27/310:05CNX - LHR
3 stops34h 50mChina Eastern
Deal found 20/2£505
Wed 12/322:00LHR - CNX
1 stop36h 50mChina Southern
Thu 1/511:30CNX - LHR
2 stops36h 35mChina Southern
Deal found 19/2£510
Fri 14/317:40LHR - CNX
1 stop21h 10mAir China
Fri 21/323:05CNX - LHR
2 stops27h 35mAir China
Deal found 20/2£512
Fri 16/510:00LHR - BKK
1 stop17h 55mGulf Air
Mon 2/619:40BKK - LHR
1 stop25h 40mGulf Air
Deal found 20/2£513

Find flights from Heathrow to Thailand within your budget

Customise your flight search to find flights from Heathrow to Thailand that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 February 2025.

Fly from

Heathrow

Fly to

Thailand

Route

Depart

Return

Price

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Sat 10/5

22:00-17:05

1 stop37h 05m

Bangkok Suvarnabhumi

Sat 24/5

01:30-20:30

1 stop25h 00m

£480

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 6/3

17:50-00:55

1 stop24h 05m

Bangkok Suvarnabhumi

Sun 23/3

01:55-13:55

1 stop19h 00m

£481

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 20/3

22:00-10:10

1 stop29h 10m

Bangkok Suvarnabhumi

Sun 6/4

03:00-19:00

1 stop22h 00m

£486

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Thu 20/3

21:00-22:45

1 stop18h 45m

Phuket City

Sat 29/3

19:50-18:10

1 stop29h 20m

£497

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Tue 1/4

20:25-17:45

1 stop39h 20m

Phuket City

Mon 7/4

14:00-20:15

1 stop36h 15m

£498

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Mon 2/6

22:10-15:40

1 stop35h 30m

Phuket City

Sat 14/6

16:40-18:05

2 stops31h 25m

£499

LondonPhuket City

LHR - HKT

LHRHKT

London Heathrow

Wed 5/3

17:50-22:00

1 stop21h 10m

Phuket City

Mon 17/3

18:15-13:55

1 stop26h 40m

£501

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 21/3

20:30-10:10

1 stop30h 40m

Bangkok Suvarnabhumi

Sat 5/4

14:45-10:15

1 stop25h 30m

£503

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 16/5

10:00-09:55

1 stop17h 55m

Bangkok Suvarnabhumi

Mon 2/6

19:40-15:20

1 stop25h 40m

£513

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Sun 18/5

20:50-09:20

2 stops30h 30m

Chiang Mai

Wed 28/5

20:00-19:10

2 stops29h 10m

£514

Flights are sorted by cheapest return flights first.

Deals found on 20/2

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

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

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

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

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Thailand (average of £784). Flying from London Heathrow Airport to Thailand in December is currently the most expensive (average of £1,123). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to TH?

Find hourly flight availability from Heathrow to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

When flying from London Heathrow Airport to Thailand, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London Heathrow Airport to Thailand

Explore weekly flight availability from Heathrow to Thailand. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 February 2025.

The most flights from LHR to TH0 are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Thailand by month

Plan your trip to Thailand by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Thailand ranges from 10.0 - 320.0 inches per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Thailand when rainfall is around 10.0 mm.

Temperature in Thailand by month

Plan your trip to Thailand by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Thailand, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

Reviews of airlines servicing Thailand

Get insights into the airlines that provide service to Thailand. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Thailand. Reviews last updated 21 February 2025.
Peruse reviews from past customers who have flown with EVA Air, Asiana Airlines and China Airlines from London to Thailand to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very Good
1,200 reviews
Check prices

Comfort

8.2

Crew

8.6

Food

8.0

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

EVA Air
8.4
Very Good
1,200 reviews
EVA Air
8.4
Very Good
1,200 reviews
Check prices

Comfort

8.2

Crew

8.6

Food

8.0

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Asiana Airlines
8.3
Very Good
445 reviews
EVA Air
8.4
Very Good
1,200 reviews
Check prices

Comfort

8.2

Crew

8.6

Food

8.0

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

China Airlines
8.2
Very Good
727 reviews
EVA Air
8.4
Very Good
1,200 reviews
Check prices

Comfort

8.2

Crew

8.6

Food

8.0

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Singapore Airlines
8.1
Very Good
1,299 reviews
EVA Air
8.4
Very Good
1,200 reviews
Check prices

Comfort

8.2

Crew

8.6

Food

8.0

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Thailand. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from London Heathrow Airport to Thailand one-way?

    For one-way options, check prices for China Eastern. According to our data, you can fly for as low as £314. Users have also found prices from £316 and £326 on Air China and Etihad Airways, respectively.

  • What are the most popular routes from London Heathrow Airport to Thailand?

    Most travelers choose London Heathrow - Bangkok Suvarnabhumi, London Heathrow - Bangkok Don Mueang Intl or London Heathrow - Phuket City when deciding on the best route from London Heathrow Airport to Thailand.

  • What are the most reliable airlines from London Heathrow Airport to Thailand?

    The top 3 most reliable airlines when flying from London Heathrow Airport to Thailand are Air Canada (59%), Thai Airways (51%) and EVA Air (43%).

  • What are the cheapest flights from London Heathrow Airport to Thailand?

    On average you can expect to pay £2,237 for a flight from London Heathrow Airport to Thailand. The cheapest flight overall is £360 while the most popular route, (London Heathrow - Bangkok Suvarnabhumi) is currently priced at £417.

  • Can I find deals for flights from Heathrow to Thailand that include hotel bookings?

    Yes. In addition to deals on Heathrow to Thailand flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Thailand?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Thailand.

  • Can I find deals for business class flights from Heathrow to Thailand?

    Yes. Cheapflights offers flight deals from Heathrow to Thailand by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Thailand (average of £784). Flying from London Heathrow Airport to Thailand in December is currently the most expensive (average of £1,123). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Heathrow to Thailand

See prices for flight routes from nearby airports that may be better suited for you.
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Heathrow to Taiwan Taoyuan Intl flights
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Gatwick to Colombo flights
Stansted to Colombo flights
Heathrow to Bangalore flights
Stansted to Hong Kong flights
Heathrow to Hongqiao Intl flights

Top 10 airlines flying from Heathrow to Thailand

Discover the top 10 airlines that operate flights from Heathrow to Thailand. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest£106Average£172FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights
Qantas AirwaysCheapest£396Average£767FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Hainan AirlinesCheapest£426Average£478FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
KLMCheapest£465Average£713FlexibilityNo cancel feeOn-time75%
Search KLM flights
Royal Brunei AirlinesCheapest£478Average£688FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Air FranceCheapest£502Average£751FlexibilityNo cancel feeOn-time77%
Search Air France flights
SAUDIACheapest£512Average£624FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
SWISSCheapest£515Average£790FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Kuwait AirwaysCheapest£536Average£642FlexibilityNo cancel feeOn-time64%
Search Kuwait Airways flights
Turkish AirlinesCheapest£540Average£748FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Thailand?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Thailand. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Thailand.

Can Cheapflights find flights from Heathrow to Thailand with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Thailand, users can toggle the no change fees filter when performing a flight search.

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

Of course! You can now track prices for flights from Heathrow to Thailand and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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