Cheap flights from Bangkok to London Heathrow Airport from £160
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bangkok to London Heathrow Airport departing on 8/4. 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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Cheap return flights
KAYAK's recommended return flight deals from the most popular airlines that fly from Bangkok to London.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Bangkok to London.
Cheap last-minute flights
Planning a quick getaway from Bangkok to London? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without stopovers.
Cathay Pacific flights from Bangkok to London Heathrow Airport
Our best Cathay Pacific deals on Bangkok to London Heathrow Airport flight tickets
Cathay Pacific![Cathay Pacific]()
6 May![Cathay Pacific]()
3 Jun
BKK19:00Bangkok Suvarnabhumi
26h 15m
1 stop
LHR15:15London Heathrow
LHR17:00London Heathrow
19h 00m
1 stop
BKK18:00Bangkok Suvarnabhumi
Cathay Pacific![Cathay Pacific]()
6 May![Cathay Pacific]()
3 Jun
BKK17:30Bangkok Suvarnabhumi
27h 45m
1 stop
LHR15:15London Heathrow
LHR18:20London Heathrow
17h 40m
1 stop
BKK18:00Bangkok Suvarnabhumi
Shenzhen Airlines flights from Bangkok to London Heathrow Airport
Our best Shenzhen Airlines deals on Bangkok to London Heathrow Airport flight tickets
Shenzhen Airlines![Shenzhen Airlines]()
24 Jun![Shenzhen Airlines]()
9 Jul
BKK03:15Bangkok Suvarnabhumi
22h 45m
1 stop
LHR20:00London Heathrow
LHR22:05London Heathrow
22h 10m
1 stop
BKK02:15Bangkok Suvarnabhumi
Shenzhen Airlines![Shenzhen Airlines]()
20 May![Shenzhen Airlines]()
30 Jun
BKK19:30Bangkok Suvarnabhumi
30h 30m
1 stop
LHR20:00London Heathrow
LHR22:05London Heathrow
31h 05m
1 stop
BKK11:10Bangkok Suvarnabhumi
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How to get the cheapest flight ticket from Bangkok 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
Prices
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Other information
What is the typical price of a round-trip flight between Bangkok and London Heathrow Airport?
What is the cheapest month to fly to London Heathrow Airport?
In general, May is the cheapest month to fly from Bangkok to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £714. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Bangkok averaging around £722.
What is the cheapest day to depart on your flight to London Heathrow Airport?
On average, the least expensive day to fly to London Heathrow Airport from Bangkok is on a Tuesday. momondo users have found tickets for Tuesday 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 £804.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
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 Bangkok to London Heathrow Airport in the afternoon for as low as £643. 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 £802 on average. Flights to London Heathrow Airport from Bangkok in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Bangkok to London Heathrow flight route?
Fly from Bangkok Suvarnabhumi to London Heathrow for the best Bangkok - London Heathrow flight prices
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from Bangkok when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £772 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Bangkok for as low as £690 on momondo.
What cabin class options are available on Bangkok to London Heathrow flights?
There are 4 cabin classes available to choose from on Bangkok to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Bangkok to London Heathrow?
China Eastern, Shenzhen Airlines, and China Southern are the most popular carriers operating from Bangkok to London Heathrow
Which airlines fly to London Heathrow Airport?
Thai Airways, EVA Air and China Eastern are the top three most popular airlines that fly to London Heathrow Airport from Bangkok according to our data. Thai Airways is the first choice among our users, with 42% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 18 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Bangkok to London Heathrow Airport on average per day?
6 flights are operational daily from Bangkok to London Heathrow Airport as of April 2025. The most popular departure time for this route is 12:00, with 66% of flights per day taking off in the afternoon.
How many flights depart from Bangkok to London Heathrow Airport on average per week?
As of April 2025, 42 flights take off from Bangkok and land in London Heathrow Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
Cheap Bangkok to London Heathrow Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Bangkok to London Heathrow Airport
How far is Bangkok to London Heathrow by plane?
There are 5934.0 mi between Bangkok and London Heathrow. A reasonable flight in good conditions will take 12h 20m.
When did momondo last update prices for flights from Bangkok to London Heathrow Airport?
Prices for flights from Bangkok to London Heathrow Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Bangkok to London Heathrow Airport?
As of April 2025, there are 18 operators available to choose from for flights from Bangkok to London Heathrow Airport.
How old do you have to be to fly from Bangkok to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Bangkok to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Bangkok to London Heathrow Airport
Compare and see reviews for airlines that fly from Bangkok to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £411 | Free Cancellation | Rating 7.5 94 reviews | |||
| PriceFrom £497 | Free Cancellation | Rating 7.2 143 reviews | |||
| PriceFrom £516 | Free Cancellation | Rating 7.1 82 reviews | |||
| PriceFrom £525 | Free Cancellation | Rating 7.6 1,267 reviews | |||
| PriceFrom £543 | Free Cancellation | Rating 7.3 252 reviews | |||
| PriceFrom £569 | Free Cancellation | Rating 7.5 1,574 reviews | |||
| PriceFrom £569 | Free Cancellation | Rating 7.3 3,750 reviews | |||
| PriceFrom £571 | Free Cancellation | Rating 7.5 771 reviews | |||
| PriceFrom £577 | Free Cancellation | Rating 7.1 299 reviews | |||
| PriceFrom £587 | Free Cancellation | Rating 7.6 192 reviews |
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Why use momondo?
Why should I use momondo to find a flight deal from Bangkok to London?
It is quick and easy to find Bangkok to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.
Can I find flights from Bangkok to London with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Bangkok to London flights to just show those with flexible booking policies.
How can momondo help me find flights from Bangkok to London?
Once you have performed a search for Bangkok to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Bangkok to London right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Bangkok to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.
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