₩582,700 Cheap Flights from London (LHR) to Bangkok (BKK)

View ₩582,700 flight on Thu, May 7, 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Suvarnabhumi Intl. Airport (BKK)

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Cheap Flights from London to Bangkok (LHR-BKK)

Prices were available within the past 7 days and start at ₩582,700 for one-way flights and ₩879,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Wed, Apr 29 - Wed, May 13
LHR
London
BKK
Bangkok
₩879,900 Roundtrip, found 2 days ago
₩879,900
Roundtrip
found 2 days ago
Select Air India flight, departing Wed, Apr 29 from London to Bangkok, returning Wed, May 13, priced at ₩879,900 found 2 days ago
IndiGo
Sun, Mar 1 - Tue, Mar 17
LHR
London
BKK
Bangkok
₩1,056,118 Roundtrip, found 2 days ago
₩1,056,118
Roundtrip
found 2 days ago
Select IndiGo flight, departing Sun, Mar 1 from London to Bangkok, returning Tue, Mar 17, priced at ₩1,056,118 found 2 days ago
Saudia
Sun, Mar 1 - Tue, Mar 17
LHR
London
BKK
Bangkok
₩1,078,800 Roundtrip, found 2 days ago
₩1,078,800
Roundtrip
found 2 days ago
Select Saudia flight, departing Sun, Mar 1 from London to Bangkok, returning Tue, Mar 17, priced at ₩1,078,800 found 2 days ago
Etihad Airways
Wed, Oct 14 - Wed, Oct 21
LHR
London
BKK
Bangkok
₩1,081,000 Roundtrip, found 1 day ago
₩1,081,000
Roundtrip
found 1 day ago
Select Etihad Airways flight, departing Wed, Oct 14 from London to Bangkok, returning Wed, Oct 21, priced at ₩1,081,000 found 1 day ago
Kuwait Airways
Wed, Apr 29 - Wed, May 13
LHR
London
BKK
Bangkok
₩1,127,000 Roundtrip, found 2 days ago
₩1,127,000
Roundtrip
found 2 days ago
Select Kuwait Airways flight, departing Wed, Apr 29 from London to Bangkok, returning Wed, May 13, priced at ₩1,127,000 found 2 days ago
Qatar Airways
Wed, Oct 14 - Wed, Oct 21
LHR
London
BKK
Bangkok
₩1,169,100 Roundtrip, found 1 day ago
₩1,169,100
Roundtrip
found 1 day ago
Select Qatar Airways flight, departing Wed, Oct 14 from London to Bangkok, returning Wed, Oct 21, priced at ₩1,169,100 found 1 day ago
British Airways
Wed, Oct 14 - Wed, Oct 21
LHR
London
BKK
Bangkok
₩1,210,200 Roundtrip, found 1 day ago
₩1,210,200
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Oct 14 from London to Bangkok, returning Wed, Oct 21, priced at ₩1,210,200 found 1 day ago
Malaysia Airlines
Sun, Mar 1 - Tue, Mar 17
LHR
London
BKK
Bangkok
₩1,242,800 Roundtrip, found 2 days ago
₩1,242,800
Roundtrip
found 2 days ago
Select Malaysia Airlines flight, departing Sun, Mar 1 from London to Bangkok, returning Tue, Mar 17, priced at ₩1,242,800 found 2 days ago
Oman Air
Sun, Mar 1 - Tue, Mar 17
LHR
London
BKK
Bangkok
₩1,274,700 Roundtrip, found 2 days ago
₩1,274,700
Roundtrip
found 2 days ago
Select Oman Air flight, departing Sun, Mar 1 from London to Bangkok, returning Tue, Mar 17, priced at ₩1,274,700 found 2 days ago
Singapore Airlines
Wed, Apr 29 - Wed, May 13
LHR
London
BKK
Bangkok
₩1,333,800 Roundtrip, found 2 days ago
₩1,333,800
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Wed, Apr 29 from London to Bangkok, returning Wed, May 13, priced at ₩1,333,800 found 2 days ago

Find the cheapest month to fly from London (LHR) to Bangkok (BKK)

May is typically the cheapest month to fly

From ₩727,836 - ₩1,050,292 per traveler.

Frequently asked questions

How much is a flight from Heathrow Airport to Suvarnabhumi Intl. Airport (BKK)?
Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Heathrow Airport and Suvarnabhumi Intl. Airport (BKK) start from ₩879,900. Book now to score the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from London Heathrow to Suvarnabhumi Airport?
The majority of flights can be canceled online, but each airline has a different set of terms and conditions. If you do have to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from LHR to Suvarnabhumi Intl. Airport (BKK) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport (LHR) to BKK flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Heathrow Airport (LHR) to Suvarnabhumi Airport?
Hounslow to Bang Phli is around 9,600 kilometers, so be prepared to spend quite a while in the air. Make sure you pack all the essentials, from your earplugs to your eye mask. Throw in a few snacks to nibble on throughout your journey too.
Which airlines fly direct from LHR to Bangkok Airport?
Many people opt to fly with Thai Airways International (TG) from Heathrow Airport to BKK. This top airline offers 60 flights every month, so you can easily find a flight time that's right for you. You could also have a look at the airfares with EVA Air (BR). This carrier operates 30 monthly flights between Hounslow and Bang Phli.
Are LHR to Suvarnabhumi Intl. Airport (BKK) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Heathrow Airport to Suvarnabhumi Intl. Airport (BKK) at the last minute could be your ticket to a fantastic deal. However, you might miss out on a flight altogether! If you'd rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated on Expedia all the time.

Travel information

Origin airport
Heathrow
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air Astana, Air France, Air India, Austrian Airlines, British Airways, Cathay Pacific, China Eastern Airlines, EVA Airways, Ethiopian Airlines, Etihad Airways, Finnair, IndiGo, KLM, Korean Air, Lufthansa, Qatar Airways, Saudia, Singapore Airlines, Turkish Airlines, Vietnam Airlines
Roundtrip price
₩879,900
Distance
9520 km
Average flight time
18 hours 30 mins

Book with confidence

London to Bangkok Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from London to Bangkok will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Bangkok.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with LHR to BKK flights that won’t make your bank account wince. Ready to temporarily leave behind London for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to BKK with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

London to Bangkok Flights
*Available to Expedia members.