$359+ Cheap flights from London (LON) to Southeast Asia
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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
Mar 5 — Mar 121
1 adult, Economy
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Find cheap flights from London to Southeast Asia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from London to Southeast AsiaExplore the most affordable flight options available from London to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from London to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:45 pm
LHR
- HAN
1 stop19h 25m
Hainan Airlines
Sun 3/1511:15 pm
HAN
- LHR
2 stops25h 40m
Hainan Airlines
Deal found 2/1![Hainan Airlines logo]()
$518
This Gotogate deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2510:00 pm
LHR
- BKK
2 stops30h 00m
Hainan Airlines
Sun 6/217:20 pm
BKK
- LHR
2 stops30h 10m
Hainan Airlines
Deal found 2/1![Hainan Airlines logo]()
$547
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/510:00 pm
LHR
- BKK
2 stops30h 00m
Hainan Airlines
Thu 7/27:20 pm
BKK
- LHR
2 stops30h 10m
Hainan Airlines
Deal found 2/2![Hainan Airlines logo]()
$549
This Trip.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/135:40 pm
LHR
- BKK
1 stop17h 25m
Air China
Mon 3/301:30 am
BKK
- LHR
1 stop24h 55m
Air China
Deal found 2/3![Air China logo]()
$550
This China Eastern deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1211:35 am
LGW
- BKK
2 stops21h 20m
China Eastern
Sun 5/38:50 pm
BKK
- LGW
2 stops39h 50m
China Eastern
Deal found 2/2![China Eastern logo]()
$551
This Mytrip deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:00 pm
LHR
- BKK
2 stops30h 00m
Hainan Airlines
Tue 5/511:05 am
BKK
- LHR
1 stop38h 25m
Hainan Airlines
Deal found 1/31![Hainan Airlines logo]()
$551
This China Eastern deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:00 pm
LGW
- BKK
1 stop24h 55m
China Eastern
Mon 11/27:50 am
BKK
- LGW
3 stops29h 40m
China Eastern
Deal found 2/1![China Eastern logo]()
$554
This Booking.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:25 pm
LHR
- BKK
1 stop21h 45m
Air China
Sat 6/67:35 pm
BKK
- LHR
1 stop30h 50m
Air China
Deal found 2/1![Air China logo]()
$554
This Air China deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:25 pm
LHR
- BKK
1 stop21h 45m
Air China
Mon 6/81:30 am
BKK
- LHR
1 stop24h 55m
Air China
Deal found 2/3![Air China logo]()
$555
This China Eastern deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/77:00 pm
LGW
- BKK
1 stop17h 05m
China Eastern
Mon 6/88:50 pm
BKK
- LGW
2 stops48h 10m
China Eastern
Deal found 2/3![China Eastern logo]()
$556
This SmartFares deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1512:35 pm
LGW
- BKK
1 stop23h 45m
Air China
Tue 7/77:35 pm
BKK
- LGW
1 stop17h 00m
Air China
Deal found 2/1![Air China logo]()
$557
This Gotogate deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:00 pm
LHR
- BKK
1 stop30h 00m
Hainan Airlines
Thu 4/307:20 pm
BKK
- LHR
2 stops30h 10m
Hainan Airlines
Deal found 2/3![Hainan Airlines logo]()
$557
Best flights from London to Southeast AsiaDiscover carefully curated flight deals from London to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from London to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This China Eastern deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/89:00 pm
LHR
- HAN
1 stop34h 10m
China Eastern
Mon 3/163:10 pm
HAN
- LHR
1 stop33h 20m
China Eastern
Deal found 2/2![China Eastern logo]()
$561
This Shenzhen Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:05 pm
LHR
- BKK
1 stop22h 10m
Shenzhen Airlines
Sat 5/167:30 pm
BKK
- LHR
1 stop30h 30m
Shenzhen Airlines
Deal found 2/3![Shenzhen Airlines logo]()
$634
This Air India deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air India is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:15 pm
LHR
- BKK
1 stop21h 40m
Air India
Thu 4/238:20 pm
BKK
- LHR
1 stop19h 55m
Air India
Deal found 2/2![Air India logo]()
$691
This Lufthansa deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/164:25 pm
LHR
- SIN
1 stop17h 10m
Lufthansa
Wed 6/1711:40 pm
SIN
- LHR
1 stop16h 00m
Lufthansa
Deal found 2/3![Lufthansa logo]()
$705
This Gulf Air deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gulf Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/109:30 am
LHR
- SIN
1 stop19h 20m
Gulf Air
Tue 4/218:00 pm
SIN
- LHR
1 stop26h 20m
Gulf Air
Deal found 2/1![Gulf Air logo]()
$708
This Singapore Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2111:20 am
LHR
- SIN
Nonstop13h 10m
Singapore Airlines
Sat 7/412:35 pm
SIN
- LHR
Nonstop13h 55m
Singapore Airlines
Deal found 2/1![Singapore Airlines logo]()
$796
This Cathay Pacific deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/1510:05 pm
LHR
- BKK
1 stop34h 50m
Cathay Pacific
Sun 3/221:05 pm
BKK
- LHR
1 stop32h 55m
Cathay Pacific
Deal found 2/2![Cathay Pacific logo]()
$807
This Etihad Airways deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:45 pm
LHR
- KUL
1 stop15h 00m
Etihad Airways
Sat 5/169:50 am
KUL
- LHR
1 stop28h 10m
Etihad Airways
Deal found 1/31![Etihad Airways logo]()
$811
This Oman Air deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Oman Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/48:25 am
LHR
- BKK
1 stop22h 20m
Oman Air
Sat 7/187:10 pm
BKK
- LHR
1 stop30h 00m
Oman Air
Deal found 2/2![Oman Air logo]()
$832
This Turkish Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:05 pm
LGW
- SIN
1 stop31h 40m
Turkish Airlines
Fri 3/611:40 am
SIN
- LGW
1 stop36h 30m
Turkish Airlines
Deal found 2/3![Turkish Airlines logo]()
$834
This SWISS deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/182:25 pm
LHR
- SIN
2 stops19h 35m
SWISS
Tue 3/2412:05 am
SIN
- LHR
2 stops21h 35m
SWISS
Deal found 2/1![SWISS logo]()
$850
This Qantas Airways deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/118:10 pm
LHR
- SIN
Nonstop13h 30m
Qantas Airways
Sun 3/1511:35 pm
SIN
- LHR
Nonstop14h 40m
Qantas Airways
Deal found 1/31![Qantas Airways logo]()
$865
This British Airways deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:30 pm
LHR
- KUL
Nonstop13h 20m
British Airways
Wed 4/299:30 am
KUL
- LHR
1 stop17h 55m
British Airways
Deal found 2/1![British Airways logo]()
$898
This Turkish Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:25 pm
LHR
- MNL
2 stops22h 25m
Multiple Airlines
Sat 5/95:15 am
MNL
- LHR
2 stops24h 10m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,011
This China Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/299:10 pm
LHR
- MNL
1 stop29h 25m
China Airlines
Thu 8/134:50 pm
MNL
- LHR
1 stop30h 40m
China Airlines
Deal found 2/1![China Airlines logo]()
$1,017
This China Eastern deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:30 am
LGW
- BKK
1 stop22h 25m
China Eastern
Sat 3/141:35 pm
BKK
- LGW
1 stop31h 25m
China Eastern
Deal found 1/31![China Eastern logo]()
$566
This China Eastern deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:00 pm
LHR
- HKT
1 stop18h 45m
China Eastern
Sun 3/157:45 pm
HKT
- LHR
3 stops52h 45m
China Eastern
Deal found 2/3![China Eastern logo]()
$570
This Shenzhen Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/119:10 pm
LHR
- SIN
1 stop20h 50m
Shenzhen Airlines
Sun 3/156:40 pm
SIN
- LHR
1 stop32h 30m
Shenzhen Airlines
Deal found 1/31![Shenzhen Airlines logo]()
$675
This China Eastern deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:20 pm
LHR
- HAN
1 stop38h 25m
China Eastern
Wed 6/33:00 pm
HAN
- LHR
1 stop33h 40m
China Eastern
Deal found 2/3![China Eastern logo]()
$580
This Air India deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air India is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/109:45 am
LHR
- MNL
1 stop29h 05m
Air India
Thu 4/3010:55 pm
MNL
- LHR
1 stop19h 35m
Air India
Deal found 2/1![Air India logo]()
$727
This China Eastern deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:20 pm
LHR
- HAN
1 stop22h 00m
China Eastern
Tue 6/26:45 pm
HAN
- LHR
1 stop29h 55m
China Eastern
Deal found 2/3![China Eastern logo]()
$580
This Etihad Airways deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:50 am
LHR
- KUL
1 stop26h 45m
Etihad Airways
Tue 5/264:25 pm
KUL
- LHR
2 stops45h 35m
Etihad Airways
Deal found 2/2![Etihad Airways logo]()
$827
This Oman Air deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Oman Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/218:25 am
LHR
- SIN
2 stops26h 10m
Oman Air
Wed 3/259:20 pm
SIN
- LHR
2 stops40h 35m
Oman Air
Deal found 2/2![Oman Air logo]()
$847
This China Eastern deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:20 pm
LHR
- HAN
1 stop22h 00m
China Eastern
Wed 6/32:20 am
HAN
- LHR
1 stop22h 20m
China Eastern
Deal found 2/3![China Eastern logo]()
$580
This Lufthansa deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:30 pm
LHR
- MNL
2 stops21h 05m
Lufthansa
Tue 11/245:05 pm
MNL
- LHR
2 stops23h 00m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$870
This British Airways deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:30 pm
LHR
- KUL
Nonstop13h 20m
British Airways
Tue 6/97:00 pm
KUL
- LHR
1 stop18h 30m
British Airways
Deal found 2/1![British Airways logo]()
$901
This SWISS deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:25 pm
LHR
- MNL
3 stops24h 25m
SWISS
Tue 11/247:00 pm
MNL
- LHR
2 stops21h 05m
SWISS
Deal found 2/1![SWISS logo]()
$920
This Etihad Airways deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:30 am
LHR
- LGK
2 stops45h 30m
Etihad Airways
Thu 4/233:00 pm
LGK
- LHR
2 stops55h 05m
Etihad Airways
Deal found 2/1![Etihad Airways logo]()
$838
This China Eastern deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:20 pm
LHR
- HAN
1 stop38h 25m
China Eastern
Mon 6/13:00 pm
HAN
- LHR
1 stop33h 40m
China Eastern
Deal found 2/3![China Eastern logo]()
$580
This Shenzhen Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1110:05 pm
LHR
- BKK
1 stop22h 10m
Shenzhen Airlines
Thu 4/233:15 am
BKK
- LHR
1 stop22h 45m
Shenzhen Airlines
Deal found 2/3![Shenzhen Airlines logo]()
$854
Last-minute flights from London to Southeast AsiaDiscover last-minute flight deals from London to Southeast Asia. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from London to Southeast Asia. Data last updated February 3, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/179:00 pm
LHR
- BKK
1 stop18h 25m
China Eastern
Tue 3/177:55 pm
BKK
- LHR
1 stop28h 35m
China Eastern
Deal found 2/2![China Eastern logo]()
$559
This China Eastern deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/179:00 pm
LHR
- BKK
1 stop20h 55m
China Eastern
Thu 3/55:05 am
BKK
- LHR
1 stop19h 25m
China Eastern
Deal found 2/3![China Eastern logo]()
$563
This China Eastern deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/179:00 pm
LHR
- HAN
1 stop21h 45m
China Eastern
Thu 3/52:35 am
HAN
- LHR
2 stops21h 55m
China Eastern
Deal found 2/2![China Eastern logo]()
$568
This China Eastern deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/189:00 pm
LHR
- BKK
1 stop19h 55m
China Eastern
Fri 3/135:45 am
BKK
- LHR
1 stop18h 45m
China Eastern
Deal found 2/2![China Eastern logo]()
$562
This CheapOair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/29:00 pm
LHR
- BKK
2 stops30h 05m
Hainan Airlines
Thu 5/287:20 pm
BKK
- LHR
2 stops30h 10m
Hainan Airlines
Deal found 2/2![Hainan Airlines logo]()
$566
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:45 pm
LHR
- HAN
1 stop19h 25m
Hainan Airlines
Sun 3/1511:15 pm
HAN
- LHR
2 stops25h 40m
Hainan Airlines
Deal found 2/1![Hainan Airlines logo]()
$518
This China Eastern deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:30 am
LGW
- BKK
1 stop32h 25m
China Eastern
Sat 3/141:35 pm
BKK
- LGW
1 stop31h 25m
China Eastern
Deal found 1/31![China Eastern logo]()
$560
This FlightHub deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:45 pm
LHR
- BKK
1 stop31h 20m
Hainan Airlines
Thu 5/711:05 am
BKK
- LHR
2 stops38h 25m
Hainan Airlines
Deal found 2/3![Hainan Airlines logo]()
$561
This Trip.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/135:40 pm
LHR
- BKK
1 stop17h 25m
Air China
Mon 3/301:30 am
BKK
- LHR
1 stop24h 55m
Air China
Deal found 2/3![Air China logo]()
$550
This China Eastern deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/149:00 pm
LHR
- HAN
1 stop21h 45m
China Eastern
Sat 3/286:45 pm
HAN
- LHR
1 stop29h 55m
China Eastern
Deal found 2/2![China Eastern logo]()
$561
This China Eastern deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1610:30 am
LGW
- BKK
1 stop18h 50m
China Eastern
Thu 3/197:05 pm
BKK
- LGW
1 stop18h 25m
China Eastern
Deal found 2/2![China Eastern logo]()
$561
This China Eastern deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1610:30 am
LGW
- BKK
1 stop18h 50m
China Eastern
Thu 12/247:50 am
BKK
- LGW
3 stops37h 10m
China Eastern
Deal found 2/2![China Eastern logo]()
$568
One-way flights from London to Southeast AsiaSearch for one-way flight options from London to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from London to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/69:00 pm
LHR
- BKK
2 stops30h 05m
Hainan Airlines
Deal found 2/2![Hainan Airlines logo]()
$359
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:35 pm
LGW
- BKK
1 stop29h 35m
Air China
Deal found 2/2![Air China logo]()
$360
This Mytrip deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:00 pm
LHR
- BKK
2 stops38h 05m
Hainan Airlines
Deal found 2/1![Hainan Airlines logo]()
$360
This Mytrip deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:35 am
LGW
- BKK
3 stops26h 15m
China Eastern
Deal found 2/2![China Eastern logo]()
$361
This FlightHub deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:15 am
LGW
- BKK
1 stop32h 05m
Air China
Deal found 2/2![Air China logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2310:15 pm
LHR
- BKK
2 stops27h 50m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/169:00 pm
LHR
- BKK
2 stops30h 05m
Hainan Airlines
Deal found 2/1![Hainan Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/251:20 pm
LHR
- BKK
3 stops42h 10m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1411:35 am
LGW
- BKK
2 stops21h 20m
China Eastern
Deal found 2/2![China Eastern logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:35 pm
LGW
- BKK
3 stops35h 05m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1211:35 am
LGW
- BKK
2 stops21h 20m
China Eastern
Deal found 2/1![China Eastern logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/181:35 pm
LGW
- BKK
3 stops35h 05m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$370
Find flight deals from London to Southeast Asia
Keep the following information in mind while searching for London to Southeast Asia flight deals. Data was last updated February 3, 2026.
Round-trip from | $518 (Kiwi.com) |
|---|---|
One-way from | $359 (Mytrip) |
Popular in | December |
Cheapest in | May |
Average price | $838 |
Cheapflights Fare Finder
Customize your flight search to find flights from London to Southeast Asia 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 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from London to Southeast Asia that are best for you.
Fly from
London
Fly to
Southeast Asia
Route
Depart
Return
Price
LondonHanoi
LHR - HAN
LHRHAN
London Heathrow
Sun 3/8
9:00 pm-2:10 pm
1 stop34h 10m
Hanoi Noibai
Mon 3/16
3:10 pm-5:30 pm
1 stop33h 20m
$561
LondonBangkok
LGW - BKK
LGWBKK
London Gatwick
Wed 3/11
10:30 am-3:55 pm
1 stop22h 25m
Bangkok Suvarnabhumi
Sat 3/14
1:35 pm-2:00 pm
1 stop31h 25m
$566
LondonPhuket City
LHR - HKT
LHRHKT
London Heathrow
Mon 3/9
9:00 pm-10:45 pm
1 stop18h 45m
Phuket City
Sun 3/15
7:45 pm-5:30 pm
3 stops52h 45m
$570
LondonHanoi
LHR - HAN
LHRHAN
London Heathrow
Tue 5/26
9:20 pm-5:45 pm
1 stop38h 25m
Hanoi Noibai
Wed 6/3
3:00 pm-6:40 pm
1 stop33h 40m
$580
LondonHanoi
LHR - HAN
LHRHAN
London Heathrow
Wed 5/27
9:20 pm-1:20 am
1 stop22h 00m
Hanoi Noibai
Tue 6/2
6:45 pm-6:40 pm
1 stop29h 55m
$580
LondonHanoi
LHR - HAN
LHRHAN
London Heathrow
Tue 5/26
9:20 pm-1:20 am
1 stop22h 00m
Hanoi Noibai
Wed 6/3
2:20 am-6:40 pm
1 stop22h 20m
$580
LondonHanoi
LHR - HAN
LHRHAN
London Heathrow
Tue 5/26
9:20 pm-5:45 pm
1 stop38h 25m
Hanoi Noibai
Mon 6/1
3:00 pm-6:40 pm
1 stop33h 40m
$580
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
Fri 5/1
10:05 pm-2:15 am
1 stop22h 10m
Bangkok Suvarnabhumi
Sat 5/16
7:30 pm-8:00 pm
1 stop30h 30m
$634
LondonSingapore
LHR - SIN
LHRSIN
London Heathrow
Wed 3/11
9:10 pm-2:00 am
1 stop20h 50m
Singapore Changi
Sun 3/15
6:40 pm-7:10 pm
1 stop32h 30m
$675
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
Mon 4/20
1:15 pm-4:55 pm
1 stop21h 40m
Bangkok Suvarnabhumi
Thu 4/23
8:20 pm-10:15 am
1 stop19h 55m
$691
Showing 1-10 of 60 results
Best time to book a flight from London to Southeast Asia
Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from London with our price prediction graph.
LHR-BKK
LGW-BKK
LHR-HAN
LHR-SIN
LHR-KUL
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 Southeast Asia
LON-zzYJX
LHR-BKK
LGW-BKK
LHR-HAN
LHR-SIN
What is the cheapest month to book a flight from London to Southeast Asia?
Currently, November is the cheapest month in which you can book a flight from London to Southeast Asia (average of $437). Flying from London to Southeast Asia in July is currently the most expensive (average of $671). 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 YJX?
Find hourly flight availability from London to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 3, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Southeast Asia as you normally would.
Weekly flight availability from London to Southeast Asia
Explore weekly flight availability from London to Southeast Asia. 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 February 3, 2026.
The most flights from LON to zzYJX are scheduled on a Tuesday (10 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 on average).
Reviews of airlines servicing Southeast Asia
Get insights into the airlines that provide service to Southeast Asia. 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 Southeast Asia. Reviews last updated February 3, 2026.
Read through reviews of airlines operating flights from London to Southeast Asia, such as Singapore Airlines, Qatar Airways, and China Southern. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.3
Crew
8.6
Food
7.8
Overall
8.2
Comfort
8.0
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Boarding
8.3
Crew
8.6
Food
7.8
Overall
8.2
Comfort
8.0
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Boarding
8.3
Crew
8.6
Food
7.8
Overall
8.2
Comfort
8.0
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Boarding
8.3
Crew
8.6
Food
7.8
Overall
8.2
Comfort
8.0
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Boarding
8.3
Crew
8.6
Food
7.8
Overall
8.2
Comfort
8.0
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Boarding
8.3
Crew
8.6
Food
7.8
Overall
8.2
Comfort
8.0
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Related info for your journey
Find useful and relevant information for your journey from London to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
Alternative routes for London to Southeast Asia
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from London to Southeast Asia
Discover the top 10 airlines that operate flights from London to Southeast Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$407 | Average$816 | FlexibilityNo cancel fee | On-time86% | |
| Cheapest$434 | Average$709 | FlexibilityNo cancel fee | On-time61% | |
| Cheapest$472 | Average$816 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$490 | Average$658 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$494 | Average$581 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$533 | Average$732 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$540 | Average$680 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$608 | Average$978 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$641 | Average$925 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$645 | Average$823 | FlexibilityNo cancel fee | On-time67% |