How do most travelers feel about Thai Airways?

When planning your BKK-LHR trip, keep in mind that Thai Airways is typically rated 7.9/10. This rating comes from 405 reviews by Cheapflights users who have traveled with Thai Airways.

What is the cheapest month to book a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport with Thai Airways?

Currently, the most affordable month to book a Thai Airways flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport in February, with an average price of ฿36,005. Conversely, traveling with Thai Airways from Bangkok Suvarnabhumi Airport to London Heathrow Airport in January will be the most expensive, with an average cost of ฿51,380. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly Thai Airways flight availability from Bangkok Suvarnabhumi Airport to London Heathrow Airport

The most Thai Airways flights from BKK to LHR are scheduled on a Monday (3 on average). You will have fewer Thai Airways flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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.

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).

฿16,779+ Thai Airways flights from Suvarnabhumi to Heathrow

Q: How far ahead should I book a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport with Thai Airways?

Booking with Thai Airways 14 days in advance of your planned departure date is, on average, the best time to get cheap flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Cheapflights users flying from Bangkok to London on Thai Airways typically fly into London Heathrow and depart from Bangkok Suvarnabhumi. Select your dates above for pricing.

Find Thai Airways flight deals from Suvarnabhumi to Heathrow

Enter your travel dates to find the best prices.

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Best

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One-way

Cheapest Thai Airways flights from Suvarnabhumi to Heathrow
Explore the most affordable Thai Airways flight options available from Suvarnabhumi to Heathrow. Find the lowest fares with prices last updated on 7 June 2026.

Sun 21/612:45

BKK

LHR

Nonstop12h 30m

Thai Airways

Sat 3/1012:30

LHR

BKK

Nonstop11h 30m

Thai Airways

Deal found 7/6฿42,077

Sat 4/712:45

BKK

LHR

Nonstop12h 30m

Thai Airways

Fri 25/921:25

LHR

BKK

Nonstop11h 35m

Thai Airways

Deal found 5/6฿42,175

Thu 2/712:45

BKK

LHR

Nonstop12h 30m

Thai Airways

Fri 4/912:30

LHR

BKK

Nonstop11h 30m

Thai Airways

Deal found 7/6฿43,350

How do most travelers feel about Thai Airways?
When planning your BKK-LHR trip, keep in mind that Thai Airways is typically rated 7.9/10. This rating comes from 405 reviews by Cheapflights users who have traveled with Thai Airways.
Can I get a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport on Thai Airways for under ฿32,643?
11 Thai Airways flights from BKK to LHR have recently been found on Cheapflights for under ฿32,643. Click here to find the best deals to London Heathrow Airport for your desired dates.

Thai Airways flights from Suvarnabhumi to Heathrow in 2026

One-way from	฿16,779
Return from	฿35,124
Popular in	August
Cheapest in	November
Average price (all airlines)	฿32,317

Thai Airways
3/10
Nonstop
12h 40m total
Bangkok to London

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Thai Airways
6/10-19/10
Nonstop
24h 10m total
Bangkok to London

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Highest demand for flights from Bangkok Suvarnabhumi to London Heathrow; 2% potential price increase.

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Best time to find cheap flights from Bangkok Suvarnabhumi to London Heathrow; 0% potential price drop.

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Average price for all Bangkok Suvarnabhumi to London Heathrow flights (one-way and round-trip).

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When is the best time to book a flight to London Heathrow Airport with Thai Airways?

The best time to book a flight to London Heathrow Airport with Thai Airways is 14 days before departure. On average, fares are higher if you book 1 day before departure.

Which month is the cheapest to fly Economy class from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

For Economy class flights, the cheapest month to fly this route is February. The most expensive months are January and August.

Best time to book a flight from Suvarnabhumi to Heathrow

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

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405 reviews

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Thai Airways flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport (BKK - LHR)

Cheapflights users flying from Bangkok to London on Thai Airways typically fly into London Heathrow and depart from Bangkok Suvarnabhumi. Select your dates above for pricing.

Find Thai Airways flight deals from Suvarnabhumi to Heathrow

Cheapest Thai Airways flights from Suvarnabhumi to HeathrowExplore the most affordable Thai Airways flight options available from Suvarnabhumi to Heathrow. Find the lowest fares with prices last updated on 7 June 2026.

Explore the most affordable Thai Airways flight options available from Suvarnabhumi to Heathrow. Find the lowest fares with prices last updated on 7 June 2026.

Best Thai Airways flights from Suvarnabhumi to HeathrowDiscover carefully curated Thai Airways flight deals from Suvarnabhumi to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 June 2026.

Discover carefully curated Thai Airways flight deals from Suvarnabhumi to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 June 2026.

Direct Thai Airways flights from Suvarnabhumi to HeathrowExplore direct Thai Airways flight options from Suvarnabhumi to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 June 2026.

Explore direct Thai Airways flight options from Suvarnabhumi to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 June 2026.

Last-minute Thai Airways flights from Suvarnabhumi to HeathrowDiscover last-minute Thai Airways flight deals from Suvarnabhumi to Heathrow. Data last updated 7 June 2026 and is based on user searches.

Discover last-minute Thai Airways flight deals from Suvarnabhumi to Heathrow. Data last updated 7 June 2026 and is based on user searches.

One-way Thai Airways flights to HeathrowSearch for one-way Thai Airways flight options to Heathrow. Find affordable one-way fares based on user searches. Data last updated 7 June 2026.

Search for one-way Thai Airways flight options to Heathrow. Find affordable one-way fares based on user searches. Data last updated 7 June 2026.

How do most travelers feel about Thai Airways?

Can I get a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport on Thai Airways for under ฿32,643?

Thai Airways flights from Suvarnabhumi to Heathrow in 2026

Find detailed information about Thai Airways flights from Suvarnabhumi to Heathrow. Explore the options provided by Thai Airways to plan your journey from Suvarnabhumi to Heathrow. Data last updated 7 June 2026.

One-way from

Return from

Popular in

Cheapest in

Average price (all airlines)

When is the best time to book a flight to London Heathrow Airport with Thai Airways?

Which month is the cheapest to fly Economy class from Bangkok Suvarnabhumi Airport to London Heathrow Airport?

Weekly Thai Airways flight availability from Bangkok Suvarnabhumi Airport to London Heathrow Airport

Rainfall in Heathrow by month

Temperature in Heathrow by month

Best time to book a flight from Suvarnabhumi to Heathrow

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

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.

Fly from Suvarnabhumi to Heathrow on another airline

Consider alternative airlines that service the Heathrow area. Flight routes are based on user searches made on Cheapflights and were last updated on 7 June 2026.

Other Thai Airways flights from Suvarnabhumi

Browse through other Thai Airways flights departing from Suvarnabhumi. Flight routes are based on user searches made on Cheapflights and were last updated on 7 June 2026.

Complete your trip

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

Other airlines serving Suvarnabhumi and Heathrow

Choose from other airlines serving Suvarnabhumi and Heathrow.

Other popular destinations in Europe

If Heathrow is not for you, choose from these other destinations located in Europe. Flight routes are based on user searches made on Cheapflights and were last updated on 7 June 2026.

Popular flights with Thai Airways

Browse through some of the most popular routes that Thai Airways offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 7 June 2026.

See what others are saying about Thai Airways

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Cheapest Thai Airways flights from Suvarnabhumi to Heathrow
Explore the most affordable Thai Airways flight options available from Suvarnabhumi to Heathrow. Find the lowest fares with prices last updated on 7 June 2026.

Best Thai Airways flights from Suvarnabhumi to Heathrow
Discover carefully curated Thai Airways flight deals from Suvarnabhumi to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 June 2026.

Direct Thai Airways flights from Suvarnabhumi to Heathrow
Explore direct Thai Airways flight options from Suvarnabhumi to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 June 2026.

Last-minute Thai Airways flights from Suvarnabhumi to Heathrow
Discover last-minute Thai Airways flight deals from Suvarnabhumi to Heathrow. Data last updated 7 June 2026 and is based on user searches.

One-way Thai Airways flights to Heathrow
Search for one-way Thai Airways flight options to Heathrow. Find affordable one-way fares based on user searches. Data last updated 7 June 2026.