Expect strict security at Heathrow. Ensure all liquids are in one bag to avoid delays during manual screenings.
Round-trip from | $680 (SWISS) |
---|---|
One-way from | $403 (Booking.com) |
Popular in | December |
Cheapest in | May |
Average price | $1,138 |
Good round-trip deal | $657 or less |
Good one-way deal | $390 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonBangkok
LGW - BKK
LGWBKK
London Gatwick
jue. 11/6
10:30 am-12:20 pm
1 stop18h 50m
Bangkok Suvarnabhumi
vie. 11/28
1:35 pm-2:00 pm
1 stop31h 25m
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
dom. 8/24
6:00 am-9:45 am
1 stop21h 45m
Bangkok Suvarnabhumi
mié. 9/17
12:35 pm-7:55 am
1 stop25h 20m
LondonBangkok
LGW - BKK
LGWBKK
London Gatwick
mar. 12/2
4:00 pm-10:25 am
Nonstop11h 25m
Bangkok Suvarnabhumi
jue. 12/18
12:25 pm-6:20 pm
Nonstop12h 55m
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
jue. 8/21
6:00 am-2:50 pm
1 stop26h 50m
Bangkok Suvarnabhumi
lun. 9/22
11:40 pm-9:40 pm
1 stop28h 00m
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
vie. 10/24
10:05 pm-6:30 pm
1 stop38h 25m
Bangkok Suvarnabhumi
dom. 11/2
12:10 pm-7:10 pm
1 stop38h 00m
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
jue. 9/11
8:50 pm-5:45 pm
1 stop14h 55m
Bangkok Suvarnabhumi
dom. 9/21
7:10 pm-7:10 pm
1 stop30h 00m
LondonBangkok
LGW - BKK
LGWBKK
London Gatwick
mié. 9/17
6:25 pm-6:05 pm
1 stop17h 40m
Bangkok Suvarnabhumi
sáb. 10/11
2:10 am-4:00 pm
1 stop19h 50m
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
lun. 8/25
10:05 pm-6:30 pm
1 stop38h 25m
Bangkok Suvarnabhumi
vie. 8/29
6:05 pm-7:00 pm
1 stop30h 55m
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
jue. 12/25
9:35 pm-4:40 pm
1 stop36h 05m
Bangkok Suvarnabhumi
mié. 1/14
5:55 pm-7:40 pm
1 stop32h 45m
LondonBangkok
LGW - BKK
LGWBKK
London Gatwick
lun. 11/24
11:40 am-12:40 am
1 stop30h 00m
Bangkok Suvarnabhumi
lun. 12/1
1:40 am-6:55 am
1 stop36h 15m
To ensure you get the cheapest price possible for a flight from London to Bangkok Suvarnabhumi Airport, you should look to book at least 62 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.
Currently, September is the cheapest month in which you can book a flight from London to Bangkok Suvarnabhumi Airport (average of $946). Flying from London to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,563). 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.
One of the essential ways to save on airfare from London to Bangkok Suvarnabhumi Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 31% on airfare.
Travelers seeking maximum savings on their London to Bangkok Suvarnabhumi Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from LON to BKK are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).
Dubai (DXB) – chosen by Cheapflights users on 21% of 1-stop itineraries from London to Bangkok Suvarnabhumi Airport on Cheapflights.
Beijing (PEK) is the most affordable 1-stop option, with an average round-trip price of $626.
Flights via Vienna (VIE) have the shortest average one-way travel time for 1-stop routes: 13h 15m.
Flights via Vienna (VIE) offer the fastest connection on this route, with an average layover time of 0h 58m.
Overall
Crew
Food
Boarding
Comfort
Entertainment
Reviews
Dominik,Jun 2025
VIE - VNO
Overall
Crew
Food
Boarding
Comfort
Entertainment
Reviews
Dominik,Jun 2025
VIE - VNO
Overall
Crew
Food
Boarding
Comfort
Entertainment
Reviews
Dominik,Jun 2025
VIE - VNO
Overall
Crew
Food
Boarding
Comfort
Entertainment
Reviews
Dominik,Jun 2025
VIE - VNO
Overall
Crew
Food
Boarding
Comfort
Entertainment
Reviews
Dominik,Jun 2025
VIE - VNO
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$370 | Average$700 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$407 | Average$810 | FlexibilityNo cancel fee | On-time86% | |
Cheapest$461 | Average$575 | FlexibilityNo cancel fee | On-time67% | |
Cheapest$537 | Average$565 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$539 | Average$650 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$560 | Average$636 | FlexibilityNo cancel fee | On-time61% | |
Cheapest$577 | Average$653 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$590 | Average$832 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$626 | Average$692 | FlexibilityNo cancel fee | On-time67% | |
Cheapest$673 | Average$1,152 | FlexibilityNo cancel fee | On-time78% |