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Cheap flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport from C$ 459

BKK — LHR
17 Oct — 24 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Suvarnabhumi to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Suvarnabhumi to Heathrow

Wed 30/93:15 a.m. -
1 stop22h 35m
Tue 3/1110:30 p.m. -
1 stop19h 50m
Deal found 17/9C$ 1,114
Wed 30/97:15 p.m. -
1 stop30h 35m
Sun 1/119:10 p.m. -
1 stop21h 10m
Deal found 17/9C$ 1,117
Sat 26/99:00 a.m. -
1 stop16h 10m
Fri 30/108:25 a.m. -
1 stop15h 20m
Deal found 17/9C$ 1,118
Fri 2/107:15 p.m. -
1 stop30h 35m
Wed 28/109:10 p.m. -
1 stop21h 10m
Deal found 16/9C$ 1,120
Wed 11/115:55 p.m. -
1 stop33h 35m
Sun 15/119:10 p.m. -
1 stop21h 10m
Deal found 15/9C$ 1,123
Mon 14/97:10 p.m. -
1 stop30h 00m
Mon 5/108:50 p.m. -
1 stop28h 05m
Deal found 14/9C$ 1,125
Wed 16/97:10 p.m. -
1 stop30h 00m
Wed 7/108:50 p.m. -
1 stop28h 05m
Deal found 14/9C$ 1,128
Sat 21/112:20 a.m. -
1 stop23h 50m
Tue 1/1210:30 p.m. -
1 stop19h 50m
Deal found 14/9C$ 1,132
Fri 25/99:00 a.m. -
1 stop16h 10m
Tue 3/118:05 p.m. -
1 stop27h 40m
Deal found 17/9C$ 1,171
Wed 2/127:10 p.m. -
1 stop17h 45m
Fri 5/28:25 a.m. -
1 stop15h 20m
Deal found 16/9C$ 1,176

Find flight deals from Suvarnabhumi to Heathrow

Round-trip from

C$ 1,117

One-way from

C$ 459

Popular in

August

Cheapest in

November

Average price

C$ 1,489
Shenzhen Airlines
  • Shenzhen Airlines
  • 11/11-15/11
  • 2 total stops
  • 54h 45m total
  • Bangkok to London
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Shenzhen Airlines
  • Shenzhen Airlines
  • 13/11-31/12
  • 1 total stop
  • 23h 50m total
  • Bangkok to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 119 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease (C$ 20 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Fri 4/12

7:10 p.m.-6:25 p.m.

1 stop30h 15m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 531

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Fri 4/12

12:35 p.m.-9:20 a.m.

1 stop27h 45m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 568

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Sat 12/12

12:35 p.m.-2:35 p.m.

2 stops33h 00m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 575

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Tue 8/12

12:35 p.m.-12:55 p.m.

2 stops31h 20m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 576

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Sun 18/10

5:00 p.m.-7:05 a.m.

2 stops44h 05m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 803
Quickest round-trip

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Sat 12/12

12:40 p.m.-7:05 p.m.

Nonstop13h 25m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 820

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Sun 27/9

5:35 p.m.-6:45 p.m.

2 stops31h 10m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 827

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Tue 29/9

5:35 p.m.-3:05 p.m.

2 stops27h 30m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 853

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Tue 9/3

12:40 p.m.-7:10 a.m.

2 stops25h 30m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 856

BangkokLondon

BKK Bangkok Suvarnabhumi - LHR London Heathrow

BKKLHR

Bangkok Suvarnabhumi

Tue 5/1

2:45 p.m.-6:35 a.m.

2 stops22h 50m

London Heathrow

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 987

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 23 resultsSorted by cheapest first
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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.
Estimated round-trip price

Cheapflights Insights

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

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

The best time to book flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport (average of C$ 1,268). Flying from Bangkok Suvarnabhumi Airport to London Heathrow Airport in August is currently the most expensive (average of C$ 1,601). 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 BKK to LHR?

When flying from Bangkok Suvarnabhumi Airport 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.

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

Airfare is below average for this route at the moment.

Bangkok Suvarnabhumi Airport to London Heathrow Airport flights typically cost between C$ 1,307 and C$ 1,614 in September.
The cheapest round-trip price found within the last 5 days was C$ 1,114 on Shenzhen Airlines (30 Sep-31 Oct).

Related info for your journey

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

    For as low as C$ 1,625, Shenzhen Airlines can have you in London Heathrow Airport from Bangkok Suvarnabhumi Airport in 20h 55m. Bangkok Suvarnabhumi Airport and London Heathrow Airport are separated by a distance of 9571 km. This flight may include one or multiple stops.

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

    Before booking your flight to London Heathrow Airport from Bangkok Suvarnabhumi Airport, check out the most reliable airlines to get you to your destination on time: Air Canada (90%), TAP AIR PORTUGAL (90%), Thai Airways( 85%).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Suvarnabhumi 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.

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

    Currently, November is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport (average of C$ 1,268). Flying from Bangkok Suvarnabhumi Airport to London Heathrow Airport in August is currently the most expensive (average of C$ 1,601). 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

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Deals for Suvarnabhumi to Heathrow 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.

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

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

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