Question 1

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Friday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Question 2

What is the most punctual flight time for Bangkok to London flights?

Accepted Answer

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Question 3

How often are flights from Bangkok to London delayed?

Accepted Answer

About 11% of weekly flights between Bangkok and London have experienced delays in the past year, with the average delay time being 97 minutes.

Question 4

Which airline has the best punctuality record on Bangkok to London flights?

Accepted Answer

Over the past year, Thai Airways have had the lowest number of delays on this route, with just 10% of flights being delayed.

Question 5

What are the cheapest airlines flying from Bangkok to London Heathrow Airport round-trip?

Accepted Answer

Cheapflights users have booked flights from Bangkok to London Heathrow Airport return from ฿9,857. Other airlines that can offer you cheap pricing are Finnair, from ฿19,051, and โอมานแอร์, from ฿21,998. เอทิฮัดแอร์เวย์ is currently priced 72% below the average price you’ll pay for this route.

Question 6

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

Accepted Answer

The cheapet airlines for a one-way flight from Bangkok to London Heathrow Airport are สแกนดอเนเวียนแอร์ไลน์ (฿6,512), เอทิฮัดแอร์เวย์ (฿6,924), and ไห่หนานแอร์ไลน์ (฿7,553).

Question 7

How far ahead should I book a flight from Bangkok to London Heathrow Airport?

Accepted Answer

The price you pay for your flight from Bangkok to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 79 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 8

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

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from Bangkok to London Heathrow Airport (average of ฿29,807). Flying from Bangkok to London Heathrow Airport in August is currently the most expensive (average of ฿38,490). 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.

Question 9

Weekly flight availability from Bangkok to London Heathrow Airport

Accepted Answer

The most flights from TH1 to LHR are scheduled on a Friday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Question 10

E

Accepted Answer

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Question 11

E

Accepted Answer

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 12

What are the cheapest flights from Bangkok to London Heathrow Airport?

Accepted Answer

On average you can expect to pay ฿32,155 for a flight from Bangkok to London Heathrow Airport. The cheapest flight overall is ฿16,690 while the most popular route, (Bangkok Suvarnabhumi - London Heathrow) is currently priced at ฿20,218.

Question 13

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

Accepted Answer

Before booking your flight to London Heathrow Airport from Bangkok, have a look at the most reliable airlines to get you to your destination on time: แอร์แคนาดา (75%), TAP ปอร์ตูกัล (75%), Thai Airways( 70%).

Question 14

What are the most popular airlines that fly from Bangkok to London Heathrow Airport?

Accepted Answer

Consider EVA Air, Thai Airways or เอทิฮัดแอร์เวย์ when booking your flight. These represent the most popular airlines when flying from Bangkok to London Heathrow Airport.

Question 15

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

Accepted Answer

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

Question 16

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

Accepted Answer

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

Question 17

How can I find direct flights from Bangkok to Heathrow?

Accepted Answer

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

Question 18

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

Accepted Answer

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

Question 19

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

Accepted Answer

When you search for this flight from Bangkok to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Question 20

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

Accepted Answer

Cheapflights helps you find that perfect flight to Heathrow from Bangkok by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 21

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

Accepted Answer

Certainly. Search results for flights to Heathrow from Bangkok shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 22

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

Accepted Answer

Yes, Cheapflights offers price alerts on Bangkok to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Popular in	August
Cheapest in	February
Average price	฿33,897

Airline	Cheapest	Average	Flexibility	On-time
เอทิฮัดแอร์เวย์	Cheapest฿9,857	Average฿28,445	FlexibilityNo cancel fee	On-time75%	Search เอทิฮัดแอร์เวย์ flights
Finnair	Cheapest฿19,051	Average฿29,773	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
โอมานแอร์	Cheapest฿21,998	Average฿26,969	FlexibilityNo cancel fee	On-time76%	Search โอมานแอร์ flights
Qatar Airways	Cheapest฿28,828	Average฿32,364	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
บริติชแอร์เวย์	Cheapest฿29,321	Average฿36,788	FlexibilityNo cancel fee	On-time70%	Search บริติชแอร์เวย์ flights
Emirates	Cheapest฿30,239	Average฿33,423	FlexibilityNo cancel fee	On-time75%	Search Emirates flights
EVA Air	Cheapest฿32,803	Average฿38,235	FlexibilityNo cancel fee	On-time74%	Search EVA Air flights
Thai Airways	Cheapest฿35,455	Average฿42,522	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

Cheap flights from Bangkok to London Heathrow Airport

Find flight deals from Bangkok to Heathrow

Popular in

Cheapest in

Average price

Best time to book a flight from Bangkok to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Bangkok with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from Bangkok to London Heathrow Airport?

The price you pay for your flight from Bangkok to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 79 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

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

When flying from Bangkok to London Heathrow Airport, 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 Bangkok to London Heathrow Airport

The most flights from TH1 to LHR are scheduled on a Friday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

How often are flights from Bangkok to London delayed?

About 11% of weekly flights between Bangkok and London have experienced delays in the past year, with the average delay time being 97 minutes.

What is the most punctual flight time for Bangkok to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Bangkok to London flights?

Over the past year, Thai Airways have had the lowest number of delays on this route, with just 10% of flights being delayed.

Reviews of airlines servicing Heathrow

Get a feel of what it's like to fly with EVA Air,Emirates, andโอมานแอร์ from Bangkok to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What are the cheapest airlines flying from Bangkok to London Heathrow Airport round-trip?

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

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

What are the cheapest flights from Bangkok to London Heathrow Airport?

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

How can I find direct flights from Bangkok to Heathrow?

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

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

Travelling to a place near London Heathrow Airport?

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.

Alternative routes for Bangkok to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Heathrow by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Bangkok to Heathrow by cabin class

Find flights from Bangkok to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 10 October 2026.

Bangkok and Heathrow flights

Browse other Bangkok and Heathrow flight options. Last updated on 10 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 8 airlines flying from Bangkok to Heathrow

Fly with Cheapflights

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

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

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

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

100% Free

Book With Flexibility

Travel Smart