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Cheap flights from London to Bangkok Suvarnabhumi Airport from C$ 535

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
18 May — 25 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Suvarnabhumi

Enter your travel dates to find the best prices.

Cheapest flights from London to Suvarnabhumi
Explore the most affordable flight options available from London to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2026.

Thu 23/411:35 a.m.
LGW
-
BKK
1 stop18h 55m
China Eastern
Mon 4/53:00 a.m.
BKK
-
LGW
2 stops33h 40m
China Eastern
Deal found 14/4C$ 799
Mon 27/46:00 p.m.
LGW
-
BKK
1 stop24h 40m
China Eastern
Mon 4/53:00 a.m.
BKK
-
LGW
2 stops33h 40m
China Eastern
Deal found 13/4C$ 800
Sat 26/911:35 a.m.
LGW
-
BKK
1 stop18h 55m
China Eastern
Sat 10/109:55 p.m.
BKK
-
LGW
1 stop38h 45m
China Eastern
Deal found 14/4C$ 804
Sat 5/96:00 p.m.
LGW
-
BKK
1 stop21h 55m
China Eastern
Sat 24/102:10 a.m.
BKK
-
LGW
1 stop18h 50m
China Eastern
Deal found 13/4C$ 807
Tue 21/411:35 a.m.
LGW
-
BKK
2 stops31h 40m
China Eastern
Mon 4/53:00 a.m.
BKK
-
LGW
2 stops33h 40m
China Eastern
Deal found 14/4C$ 809
Wed 10/64:15 p.m.
LHR
-
BKK
1 stop15h 30m
SAUDIA
Wed 17/63:20 p.m.
BKK
-
LHR
1 stop27h 20m
SAUDIA
Deal found 16/4C$ 811
Tue 9/610:10 p.m.
LHR
-
BKK
1 stop19h 55m
SAUDIA
Wed 17/63:20 p.m.
BKK
-
LHR
1 stop27h 20m
SAUDIA
Deal found 16/4C$ 813
Mon 8/64:15 p.m.
LHR
-
BKK
1 stop15h 30m
SAUDIA
Wed 17/63:20 p.m.
BKK
-
LHR
1 stop27h 20m
SAUDIA
Deal found 16/4C$ 814
Wed 9/96:00 p.m.
LGW
-
BKK
1 stop20h 55m
China Eastern
Wed 11/119:05 p.m.
BKK
-
LGW
2 stops40h 25m
China Eastern
Deal found 14/4C$ 815
Fri 8/510:00 a.m.
LHR
-
BKK
1 stop21h 45m
SAUDIA
Mon 11/51:50 a.m.
BKK
-
LHR
1 stop16h 50m
SAUDIA
Deal found 14/4C$ 815
Tue 8/96:00 p.m.
LGW
-
BKK
1 stop18h 05m
China Eastern
Wed 4/119:05 p.m.
BKK
-
LGW
2 stops40h 25m
China Eastern
Deal found 17/4C$ 817
Fri 12/64:15 p.m.
LHR
-
BKK
1 stop15h 30m
SAUDIA
Thu 18/63:25 p.m.
BKK
-
LHR
1 stop22h 05m
SAUDIA
Deal found 16/4C$ 817

Find flight deals from London to Suvarnabhumi

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Suvarnabhumi (BKK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 April 2026.

Round-trip from

C$ 799

One-way from

C$ 535

Popular in

July

Cheapest in

May

Average price

C$ 1,130

Good round-trip deal

C$ 1,493 or less

Good one-way deal

C$ 1,197 or less
China Eastern
  • China Eastern
  • 27/4-4/5
  • 3 total stops
  • 52h 35m total
  • London to Bangkok
Search Deals
China Eastern
  • China Eastern
  • 12/5
  • 2 total stops
  • 28h 40m total
  • London to Bangkok
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 175 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Bangkok Suvarnabhumi.
Search Deals
Price to beat on a one-way flight from London (LON) to Bangkok Suvarnabhumi.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Suvarnabhumi that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 April 2026.
Use the filters below to find and compare flights from London to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Thu 30/4

10:10 p.m.-12:05 a.m.

1 stop19h 55m

Bangkok Suvarnabhumi

Wed 13/5

3:20 p.m.-12:40 p.m.

1 stop75h 20m

C$ 955

LondonBangkok

LHR - BKK

LHRBKK

London Heathrow

Fri 12/6

2:45 p.m.-7:00 p.m.

1 stop22h 15m

Bangkok Suvarnabhumi

Sun 14/6

3:15 a.m.-12:45 p.m.

1 stop15h 30m

C$ 1,058

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Mon 1/6

9:15 a.m.-6:50 a.m.

1 stop15h 35m

Bangkok Suvarnabhumi

Sun 5/7

9:05 p.m.-6:40 a.m.

1 stop15h 35m

C$ 1,101

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 27/9

10:40 a.m.-9:45 a.m.

1 stop17h 05m

Bangkok Suvarnabhumi

Thu 8/10

8:15 p.m.-6:55 a.m.

1 stop16h 40m

C$ 1,121

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Thu 11/6

9:15 a.m.-6:50 a.m.

1 stop15h 35m

Bangkok Suvarnabhumi

Fri 19/6

9:55 a.m.-6:40 a.m.

1 stop26h 45m

C$ 1,122

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Wed 10/6

11:35 a.m.-12:30 p.m.

1 stop18h 55m

Bangkok Suvarnabhumi

Fri 19/6

9:55 p.m.-3:00 p.m.

1 stop23h 05m

C$ 1,125

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Fri 5/6

10:40 a.m.-9:45 a.m.

1 stop17h 05m

Bangkok Suvarnabhumi

Sat 4/7

8:15 p.m.-6:55 a.m.

1 stop16h 40m

C$ 1,196

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sat 6/6

11:35 a.m.-12:30 p.m.

1 stop18h 55m

Bangkok Suvarnabhumi

Sun 5/7

4:50 p.m.-3:00 p.m.

1 stop28h 10m

C$ 1,229

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 7/6

11:35 a.m.-3:50 p.m.

1 stop22h 15m

Bangkok Suvarnabhumi

Wed 17/6

7:10 p.m.-3:00 p.m.

1 stop25h 50m

C$ 1,245

LondonBangkok

LGW - BKK

LGWBKK

London Gatwick

Sun 31/5

11:35 a.m.-12:30 p.m.

1 stop18h 55m

Bangkok Suvarnabhumi

Sun 21/6

2:10 a.m.-3:00 p.m.

1 stop18h 50m

C$ 1,259

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/4

Showing 1-10 of 44 resultsSorted by cheapest first
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Best time to book a flight from London to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from London with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Bangkok Suvarnabhumi Airport

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

Use this chart to determine the optimal time to book a round-trip flight from London to Suvarnabhumi. Price data was last updated on 10 April 2026.

To ensure you get the cheapest price possible for a flight from London to Bangkok Suvarnabhumi Airport, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from London to Bangkok Suvarnabhumi Airport (average of C$ 1,036). Flying from London to Bangkok Suvarnabhumi Airport in July is currently the most expensive (average of C$ 1,619). 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.

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

Find hourly flight availability from London to Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 April 2026.

When flying from London to Bangkok Suvarnabhumi 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 London to Bangkok Suvarnabhumi Airport

Explore weekly flight availability from London to Suvarnabhumi. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 April 2026.

The most flights from LON to BKK are scheduled on a Tuesday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost to fly round-trip from London to Bangkok Suvarnabhumi Airport?

What’s the top layover airport for flights from London to Bangkok Suvarnabhumi Airport?

Share of one-stop round-trip flights from London to Bangkok Suvarnabhumi Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Abu Dhabi (AUH) – chosen by Cheapflights users on 33% of one-stop itineraries from London to Bangkok Suvarnabhumi Airport on Cheapflights.

What’s the cheapest layover airport for flights from London to Bangkok Suvarnabhumi Airport?

Average round-trip fare for 1-stop flights from London to Bangkok Suvarnabhumi Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Beijing (PEK) is the most affordable 1-stop option, with an average round-trip price of C$ 620.

What’s the fastest layover option from London to Bangkok Suvarnabhumi Airport?

Shortest average travel time for 1-stop one-way flights from London to Bangkok Suvarnabhumi Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Vienna (VIE) have the shortest average one-way travel time for 1-stop routes: 13h 05m.

Which airport typically offers the quickest layover for flights from London to Bangkok Suvarnabhumi Airport?

Average layover duration for 1-stop one-way flights from London to Bangkok Suvarnabhumi Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Vienna (VIE) offer the fastest connection on this route, with an average layover time of 1h 00m.

How often are flights from London to Bangkok delayed?

About 16% of weekly flights between London and Bangkok have experienced delays in the past year, with the average delay time being 96 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

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

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

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

Over the past year, EVA Air has had the lowest number of delays on this route, with just 8% of flights being delayed.

Reviews of airlines servicing Suvarnabhumi

Get insights into the airlines that provide service to Suvarnabhumi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Suvarnabhumi. Reviews last updated 18 April 2026.
Read through reviews of airlines operating flights from London to Bangkok Suvarnabhumi Airport, such as EVA Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very good
1,418 reviews
Check prices

Comfort

8.3

Overall

8.5

Crew

8.7

Food

8.1

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
EVA Air
8.5
Very good
1,418 reviews
EVA Air
8.5
Very good
1,418 reviews
Check prices

Comfort

8.3

Overall

8.5

Crew

8.7

Food

8.1

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Related info for your journey

Find useful and relevant information for your journey from London to Suvarnabhumi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to Bangkok Suvarnabhumi Airport?

    Departing from London to Bangkok Suvarnabhumi Airport will take you 15h 35m. The distance between London and Bangkok Suvarnabhumi Airport is about 9563 km. This flight may include one or multiple stops.

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

    The top 3 most reliable airlines when flying from London to Bangkok Suvarnabhumi Airport are Thai Airways (77%), Air Canada (74%) and EVA Air (71%).

  • What are the cheapest flights from London to Bangkok Suvarnabhumi Airport?

    On average you can expect to pay C$ 1,461 for a flight from London to Bangkok Suvarnabhumi Airport. The cheapest flight overall is C$ 1,137 while the most popular route, (London Gatwick - Bangkok Suvarnabhumi) is currently priced at C$ 1,783.

  • Can I find deals for flights from London to Suvarnabhumi that include hotel bookings?

    Yes. In addition to deals on London to Suvarnabhumi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Suvarnabhumi?

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

  • Can I find deals for business class flights from London to Suvarnabhumi?

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

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

    Currently, May is the cheapest month in which you can book a flight from London to Bangkok Suvarnabhumi Airport (average of C$ 1,036). Flying from London to Bangkok Suvarnabhumi Airport in July is currently the most expensive (average of C$ 1,619). 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.

See more FAQs

Travelling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Ko Lan
Cha-am

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Suvarnabhumi

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Suvarnabhumi flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Suvarnabhumi?

Deals for London to Suvarnabhumi flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Suvarnabhumi?

Cheapflights simply makes it quick and affordable to book flights from London to Suvarnabhumi by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London to Suvarnabhumi with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Suvarnabhumi, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London to Suvarnabhumi become cheaper?

Of course! You can now track prices for flights from London to Suvarnabhumi and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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