Question 1

What is the cheapest day to depart on your flight to London Heathrow Airport?

Accepted Answer

On average, the least expensive day to fly to London Heathrow Airport from Thailand is on a Thursday. momondo users have found tickets for Thursday departures for as low as £751. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £836.

Question 2

How far in advance should I book a flight to London Heathrow Airport?

Accepted Answer

You are more likely to see cheaper flights to London Heathrow Airport from Thailand when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £755 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Thailand for as low as £677 on momondo.

Question 3

Which airlines fly to London Heathrow Airport?

Accepted Answer

EVA Air, Thai Airways and Etihad Airways are the top three most popular airlines that fly to London Heathrow Airport from Thailand according to our data. EVA Air is the first choice among our users, with 43% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 17 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Question 4

What is the cheapest airline that flies from Thailand to London Heathrow?

Accepted Answer

Oman Air and Hainan Airlines are the most popular carriers operating from Thailand to London Heathrow

Question 5

What cabin class options are available on Thailand to London Heathrow flights?

Accepted Answer

There are 3 cabin classes available to choose from on Thailand to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 6

Can stopping save me money on Thailand to London Heathrow Airport flights?

Accepted Answer

You could potentially save up to 33% on your flight if you consider stops on a Thailand to London Heathrow Airport flight.

Question 7

How long does it take to fly to London Heathrow Airport?

Accepted Answer

If you’re flying from a popular airport in Thailand, such as Bangkok or Phuket City, and flying into London Heathrow Airport, then you can expect flight times to average 15h 02m and 16h, respectively.

Question 8

What is the cheapest month to fly to London Heathrow Airport?

Accepted Answer

In general, March is the cheapest month to fly from Thailand to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £705. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Thailand averaging around £721.

Question 9

How many flights depart from Thailand to London Heathrow Airport on average per day?

Accepted Answer

As of July 2025, there are 6 flights per day flying from Thailand to London Heathrow Airport. The most common time of day flights depart is 12:00, with 66% of flights taking off in the afternoon.

Question 10

How many flights depart from Thailand to London Heathrow Airport on average per week?

Accepted Answer

42 flights are operational weekly from Thailand to London Heathrow Airport as of July 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

Question 11

What is the cheapest Thailand to London Heathrow flight route?

Accepted Answer

Fly from Bangkok Suvarnabhumi to London Heathrow for the best Thailand - London Heathrow flight prices

Question 12

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

Accepted Answer

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Thailand to London Heathrow Airport in the afternoon for as low as £622. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £809 on average. Flights to London Heathrow Airport from Thailand in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 13

When did momondo last update prices for flights from Thailand to London Heathrow Airport?

Accepted Answer

Prices for flights from Thailand to London Heathrow Airport were last updated today.

Question 14

How many operators does momondo search for flights from Thailand to London Heathrow Airport?

Accepted Answer

The number of operators available for flights from Thailand to London Heathrow Airport is 17 as of July 2025.

Question 15

How old do you have to be to fly from Thailand to London Heathrow Airport?

Accepted Answer

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Thailand to London Heathrow Airport.

Question 16

What documentation or ID do you need to fly to London Heathrow Airport?

Accepted Answer

The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best price found	£142
Fastest flight time	15h 05m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
China Southern	PriceFrom £235	Free Cancellation	Rating 7.6 103 reviews	Search China Southern flights
Air India	PriceFrom £344	Free Cancellation	Rating 5.5 2,927 reviews	Search Air India flights
Air China	PriceFrom £446	Free Cancellation	Rating 7.3 91 reviews	Search Air China flights
China Eastern	PriceFrom £495	Free Cancellation	Rating 7.2 154 reviews	Search China Eastern flights
Kuwait Airways	PriceFrom £507	Free Cancellation	Rating 7.1 304 reviews	Search Kuwait Airways flights
Turkish Airlines	PriceFrom £551	Free Cancellation	Rating 7.3 3,916 reviews	Search Turkish Airlines flights
Austrian Airlines	PriceFrom £553	Free Cancellation	Rating 7.6 820 reviews	Search Austrian Airlines flights
SWISS	PriceFrom £553	Free Cancellation	Rating 7.5 1,676 reviews	Search SWISS flights
Vietnam Airlines	PriceFrom £568	Free Cancellation	Rating 7.5 197 reviews	Search Vietnam Airlines flights
Etihad Airways	PriceFrom £577	Free Cancellation	Rating 7.4 1,225 reviews	Search Etihad Airways flights

Cheap flights from Thailand to London from £142

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Thailand to London departing on 31/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Thailand to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

What is the cheapest Thailand to London Heathrow flight route?

Fly from Bangkok Suvarnabhumi to London Heathrow for the best Thailand - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

What cabin class options are available on Thailand to London Heathrow flights?

There are 3 cabin classes available to choose from on Thailand to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Thailand to London Heathrow Airport flights?

You could potentially save up to 33% on your flight if you consider stops on a Thailand to London Heathrow Airport flight.

What is the cheapest airline that flies from Thailand to London Heathrow?

Oman Air and Hainan Airlines are the most popular carriers operating from Thailand to London Heathrow

Which airlines fly to London Heathrow Airport?

How many flights depart from Thailand to London Heathrow Airport on average per day?

As of July 2025, there are 6 flights per day flying from Thailand to London Heathrow Airport. The most common time of day flights depart is 12:00, with 66% of flights taking off in the afternoon.

How many flights depart from Thailand to London Heathrow Airport on average per week?

42 flights are operational weekly from Thailand to London Heathrow Airport as of July 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

How long does it take to fly to London Heathrow Airport?

If you’re flying from a popular airport in Thailand, such as Bangkok or Phuket City, and flying into London Heathrow Airport, then you can expect flight times to average 15h 02m and 16h, respectively.

Cheap Thailand to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Thailand to London Heathrow Airport

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When did momondo last update prices for flights from Thailand to London Heathrow Airport?

How many operators does momondo search for flights from Thailand to London Heathrow Airport?

How old do you have to be to fly from Thailand to London Heathrow Airport?

What documentation or ID do you need to fly to London Heathrow Airport?

What is the most popular plane model from Thailand to London Heathrow Airport?

Best airlines flying from Thailand to London Heathrow Airport

Compare and see reviews for airlines that fly from Thailand to London Heathrow Airport with momondo

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