$383+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
Jun 4 — Jun 111
Round-trip
1 adult, Economy
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Find cheap flights from London to Southeast Asia with Cheapflights
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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 May 5, 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 May 5, 2026.
This Mytrip deal was found by Cheapflights users on 5/1. 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 9/1410:40 pm
LHR
- HAN
1 stop31h 15m
Air China
Thu 12/31:20 pm
HAN
- LHR
1 stop33h 35m
Air China
Deal found 5/1![Air China logo]()
$554
This Gotogate deal was found by Cheapflights users on 5/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:25 pm
LHR
- HAN
1 stop33h 30m
Air China
Sun 10/111:25 pm
HAN
- LHR
1 stop37h 00m
Air China
Deal found 5/2![Air China logo]()
$555
This FlightHub deal was found by Cheapflights users on 5/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:25 pm
LHR
- HAN
1 stop33h 30m
Air China
Sun 10/111:25 pm
HAN
- LHR
1 stop34h 15m
Air China
Deal found 5/1![Air China logo]()
$566
This FlightHub deal was found by Cheapflights users on 5/4. 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.
Tue 6/910:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Sat 6/203:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 5/4![SAUDIA logo]()
$588
This China Eastern deal was found by Cheapflights users on 5/4. 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 9/86:00 pm
LGW
- BKK
1 stop18h 05m
China Eastern
Tue 10/271:35 pm
BKK
- LGW
1 stop31h 25m
China Eastern
Deal found 5/4![China Eastern logo]()
$590
This China Eastern deal was found by Cheapflights users on 4/30. 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 9/611:35 am
LGW
- BKK
1 stop22h 15m
China Eastern
Tue 10/271:35 pm
BKK
- LGW
1 stop31h 25m
China Eastern
Deal found 4/30![China Eastern logo]()
$591
This China Eastern deal was found by Cheapflights users on 5/4. 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 9/1311:35 am
LGW
- BKK
1 stop22h 15m
China Eastern
Tue 10/271:55 am
BKK
- LGW
1 stop19h 05m
China Eastern
Deal found 5/4![China Eastern logo]()
$592
This Justfly.com deal was found by Cheapflights users on 5/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:15 pm
LHR
- BKK
1 stop15h 30m
SAUDIA
Sun 6/285:45 am
BKK
- LHR
1 stop20h 45m
SAUDIA
Deal found 5/1![SAUDIA logo]()
$593
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Tue 6/210:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Tue 6/163:25 pm
BKK
- LHR
1 stop29h 25m
SAUDIA
Deal found 4/30![SAUDIA logo]()
$594
This China Eastern deal was found by Cheapflights users on 4/30. 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 11/185:00 pm
LGW
- BKK
1 stop36h 20m
China Eastern
Fri 11/209:05 pm
BKK
- LGW
2 stops40h 25m
China Eastern
Deal found 4/30![China Eastern logo]()
$595
This Gotogate deal was found by Cheapflights users on 5/5. 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.
Tue 6/210:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Tue 6/93:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 5/5![SAUDIA logo]()
$595
This China Eastern deal was found by Cheapflights users on 4/30. 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 9/2011:35 am
LGW
- BKK
3 stops26h 15m
China Eastern
Mon 10/1211:50 am
BKK
- LGW
1 stop33h 10m
China Eastern
Deal found 4/30![China Eastern logo]()
$596
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 May 5, 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 May 5, 2026.
This Condor deal was found by Cheapflights users on 4/30. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:35 pm
LGW
- BKK
1 stop15h 00m
Condor
Thu 7/210:35 pm
BKK
- LGW
1 stop22h 10m
Condor
Deal found 4/30![Condor logo]()
$640
This Etihad Airways deal was found by Cheapflights users on 5/1. 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.
Sun 5/249:30 am
LHR
- BKK
1 stop15h 15m
Etihad Airways
Fri 7/38:45 pm
BKK
- LHR
1 stop22h 00m
Etihad Airways
Deal found 5/1![Etihad Airways logo]()
$791
This China Eastern deal was found by Cheapflights users on 5/4. 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
- HKT
2 stops62h 40m
China Eastern
Thu 6/116:55 pm
HKT
- LHR
2 stops29h 45m
China Eastern
Deal found 5/4![China Eastern logo]()
$810
This Qatar Airways deal was found by Cheapflights users on 5/1. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/263:35 pm
LHR
- HKT
1 stop16h 40m
Qatar Airways
Sun 5/319:00 pm
HKT
- LHR
1 stop17h 00m
Qatar Airways
Deal found 5/1![Qatar Airways logo]()
$821
This Emirates deal was found by Cheapflights users on 4/30. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:45 pm
LGW
- BKK
1 stop14h 35m
Emirates
Mon 6/13:40 am
BKK
- LGW
1 stop14h 55m
Emirates
Deal found 4/30![Emirates logo]()
$932
This Oman Air deal was found by Cheapflights users on 5/2. 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.
Sun 5/318:50 pm
LHR
- HAN
2 stops30h 45m
Oman Air
Sun 6/710:35 am
HAN
- LHR
2 stops25h 55m
Oman Air
Deal found 5/2![Oman Air logo]()
$941
This Turkish Airlines deal was found by Cheapflights users on 5/4. 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.
Thu 6/46:00 pm
LHR
- SIN
1 stop31h 45m
Turkish Airlines
Mon 6/811:05 pm
SIN
- LHR
1 stop23h 05m
Turkish Airlines
Deal found 5/4![Turkish Airlines logo]()
$947
This Vietnam Airlines deal was found by Cheapflights users on 5/2. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:55 pm
LHR
- HAN
Nonstop11h 55m
Vietnam Airlines
Wed 6/1710:55 pm
HAN
- LHR
1 stop24h 00m
Vietnam Airlines
Deal found 5/2![Vietnam Airlines logo]()
$973
This Singapore Airlines deal was found by Cheapflights users on 5/5. 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.
Tue 9/299:25 am
LHR
- SIN
Nonstop13h 20m
Singapore Airlines
Sun 12/612:45 pm
SIN
- LHR
Nonstop14h 25m
Singapore Airlines
Deal found 5/5![Singapore Airlines logo]()
$983
This British Airways deal was found by Cheapflights users on 5/4. 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.
Sun 10/47:25 pm
LHR
- SIN
Nonstop13h 40m
British Airways
Thu 10/1511:20 pm
SIN
- LHR
Nonstop14h 15m
British Airways
Deal found 5/4![British Airways logo]()
$1,005
This Gulf Air deal was found by Cheapflights users on 5/1. 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 5/2610:00 am
LHR
- HKT
2 stops22h 05m
Gulf Air
Tue 6/912:55 pm
HKT
- LHR
2 stops32h 25m
Gulf Air
Deal found 5/1![Gulf Air logo]()
$1,044
This KLM deal was found by Cheapflights users on 4/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:30 am
LHR
- MNL
2 stops29h 00m
Multiple Airlines
Tue 11/1010:00 pm
MNL
- LHR
1 stop26h 35m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,073
This SWISS deal was found by Cheapflights users on 5/4. 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 6/38:05 pm
LHR
- MNL
2 stops43h 50m
SWISS
Wed 6/176:35 pm
MNL
- LHR
3 stops25h 25m
SWISS
Deal found 5/4![SWISS logo]()
$1,124
This Condor deal was found by Cheapflights users on 5/1. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:35 pm
LGW
- BKK
1 stop15h 00m
Condor
Thu 7/210:35 pm
BKK
- LGW
1 stop22h 10m
Condor
Deal found 5/1![Condor logo]()
$641
This Finnair deal was found by Cheapflights users on 5/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2510:20 am
LHR
- BKK
2 stops31h 50m
Finnair
Thu 6/47:05 am
BKK
- LHR
1 stop32h 05m
Finnair
Deal found 5/3![Finnair logo]()
$1,386
This China Airlines deal was found by Cheapflights users on 5/3. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:30 am
LHR
- MNL
2 stops20h 05m
China Airlines
Sun 11/84:55 pm
MNL
- LHR
2 stops25h 50m
China Airlines
Deal found 5/3![China Airlines logo]()
$1,432
This Etihad Airways deal was found by Cheapflights users on 5/1. 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.
Sun 6/142:45 pm
LHR
- KUL
1 stop22h 00m
Etihad Airways
Sun 8/29:50 am
KUL
- LHR
1 stop36h 15m
Etihad Airways
Deal found 5/1![Etihad Airways logo]()
$807
This Qatar Airways deal was found by Cheapflights users on 5/3. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:25 pm
LHR
- HKT
1 stop17h 25m
Qatar Airways
Fri 7/179:20 am
HKT
- LHR
1 stop27h 05m
Qatar Airways
Deal found 5/3![Qatar Airways logo]()
$838
This China Eastern deal was found by Cheapflights users on 5/2. 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 8/3111:35 am
LGW
- BKK
1 stop27h 20m
China Eastern
Sat 9/129:55 pm
BKK
- LGW
1 stop38h 45m
China Eastern
Deal found 5/2![China Eastern logo]()
$919
This Oman Air deal was found by Cheapflights users on 5/5. 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.
Tue 6/98:50 pm
LHR
- SGN
2 stops40h 15m
Oman Air
Tue 7/2110:05 am
SGN
- LHR
2 stops39h 05m
Oman Air
Deal found 5/5![Oman Air logo]()
$961
This Emirates deal was found by Cheapflights users on 5/5. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2210:05 am
LGW
- BKK
1 stop15h 30m
Emirates
Sat 5/303:15 am
BKK
- LGW
1 stop15h 20m
Emirates
Deal found 5/5![Emirates logo]()
$1,004
This Etihad Airways deal was found by Cheapflights users on 5/2. 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.
Fri 7/32:45 pm
LHR
- HKT
1 stop26h 55m
Etihad Airways
Mon 8/32:25 am
HKT
- LHR
1 stop18h 40m
Etihad Airways
Deal found 5/2![Etihad Airways logo]()
$917
This Qatar Airways deal was found by Cheapflights users on 5/5. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/193:35 pm
LHR
- HAN
1 stop16h 20m
Qatar Airways
Thu 6/41:55 am
HAN
- LHR
1 stop18h 10m
Qatar Airways
Deal found 5/5![Qatar Airways logo]()
$921
This China Eastern deal was found by Cheapflights users on 5/2. 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 6/96:00 pm
LGW
- BKK
2 stops38h 55m
China Eastern
Tue 7/74:50 pm
BKK
- LGW
1 stop28h 10m
China Eastern
Deal found 5/2![China Eastern logo]()
$933
This British Airways deal was found by Cheapflights users on 5/1. 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 9/307:25 pm
LHR
- SIN
Nonstop13h 40m
British Airways
Wed 10/217:15 pm
SIN
- LHR
1 stop17h 10m
British Airways
Deal found 5/1![British Airways logo]()
$1,047
This Oman Air deal was found by Cheapflights users on 5/2. 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 5/308:25 am
LHR
- HAN
2 stops43h 10m
Oman Air
Sat 6/610:35 am
HAN
- LHR
2 stops38h 35m
Oman Air
Deal found 5/2![Oman Air logo]()
$966
This Turkish Airlines deal was found by Cheapflights users on 4/30. 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.
Sun 7/56:30 am
LHR
- LGK
2 stops23h 35m
Turkish Airlines
Fri 7/178:25 pm
LGK
- LHR
2 stops31h 45m
Turkish Airlines
Deal found 4/30![Turkish Airlines logo]()
$1,074
This Singapore Airlines deal was found by Cheapflights users on 5/3. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:05 am
LGW
- SIN
Nonstop13h 20m
Singapore Airlines
Tue 9/2211:55 pm
SIN
- LGW
Nonstop14h 00m
Singapore Airlines
Deal found 5/3![Singapore Airlines logo]()
$1,078
This Vietnam Airlines deal was found by Cheapflights users on 5/1. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:50 pm
LHR
- HAN
Nonstop11h 55m
Vietnam Airlines
Sun 6/2810:50 am
HAN
- LHR
Nonstop13h 00m
Vietnam Airlines
Deal found 5/1![Vietnam Airlines logo]()
$1,106
This China Eastern deal was found by Cheapflights users on 5/2. 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 6/111:35 am
LGW
- BKK
1 stop18h 55m
China Eastern
Mon 6/228:50 pm
BKK
- LGW
3 stops39h 50m
China Eastern
Deal found 5/2![China Eastern logo]()
$933
Last-minute flights from London to Southeast AsiaDiscover last-minute flight deals from London to Southeast Asia. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from London to Southeast Asia. Data last updated May 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/123:35 pm
LGW
- BKK
1 stop15h 00m
Condor
Tue 7/710:35 pm
BKK
- LGW
1 stop16h 25m
Condor
Deal found 4/30![Condor logo]()
$597
This SAUDIA deal was found by Cheapflights users on 5/4. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2610:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Sat 6/133:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 5/4![SAUDIA logo]()
$602
This SAUDIA deal was found by Cheapflights users on 4/30. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Sat 6/133:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 4/30![SAUDIA logo]()
$598
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/3110:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Tue 6/163:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 4/30![SAUDIA logo]()
$596
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Tue 6/210:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Tue 6/163:25 pm
BKK
- LHR
1 stop29h 25m
SAUDIA
Deal found 4/30![SAUDIA logo]()
$594
This Gotogate deal was found by Cheapflights users on 5/5. 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.
Tue 6/210:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Tue 6/93:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 5/5![SAUDIA logo]()
$595
This Gotogate deal was found by Cheapflights users on 5/4. 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.
Tue 6/210:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Mon 6/221:50 am
BKK
- LHR
1 stop16h 50m
SAUDIA
Deal found 5/4![SAUDIA logo]()
$600
This Justfly.com deal was found by Cheapflights users on 5/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:15 pm
LHR
- BKK
1 stop15h 30m
SAUDIA
Sun 6/285:45 am
BKK
- LHR
1 stop20h 45m
SAUDIA
Deal found 5/1![SAUDIA logo]()
$593
This SAUDIA deal was found by Cheapflights users on 4/30. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/610:00 am
LHR
- BKK
1 stop21h 45m
SAUDIA
Sun 6/143:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 4/30![SAUDIA logo]()
$597
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Sat 6/64:15 pm
LHR
- BKK
1 stop15h 30m
SAUDIA
Sat 6/133:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 4/30![SAUDIA logo]()
$604
This FlightHub deal was found by Cheapflights users on 5/4. 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.
Tue 6/910:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Sat 6/203:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 5/4![SAUDIA logo]()
$588
This SAUDIA deal was found by Cheapflights users on 5/5. 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 SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:00 am
LHR
- BKK
1 stop21h 45m
SAUDIA
Thu 6/183:25 pm
BKK
- LHR
1 stop22h 05m
SAUDIA
Deal found 5/5![SAUDIA logo]()
$601
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 May 5, 2026.
Search for one-way flight options from London to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/1710:05 pm
LHR
- SGN
1 stop21h 45m
Shenzhen Airlines
Deal found 4/30![Shenzhen Airlines logo]()
$383
This Mytrip deal was found by Cheapflights users on 5/2. 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 6/166:00 pm
LGW
- BKK
1 stop36h 30m
China Eastern
Deal found 5/2![China Eastern logo]()
$383
This Expedia deal was found by Cheapflights users on 5/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:35 am
LGW
- BKK
1 stop18h 55m
China Eastern
Deal found 5/1![China Eastern logo]()
$384
This Mytrip deal was found by Cheapflights users on 4/30. 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 6/104:15 pm
LHR
- BKK
1 stop15h 30m
SAUDIA
Deal found 4/30![SAUDIA logo]()
$384
This FlightHub deal was found by Cheapflights users on 5/4. 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.
Fri 9/1110:40 pm
LHR
- BKK
1 stop37h 40m
Air China
Deal found 5/4![Air China logo]()
$385
This China Eastern deal was found by Cheapflights users on 5/2. 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.
Thu 9/311:35 am
LGW
- BKK
1 stop34h 30m
China Eastern
Deal found 5/2![China Eastern logo]()
$387
This Super.com deal was found by Cheapflights users on 5/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Deal found 5/3![SAUDIA logo]()
$390
This China Eastern deal was found by Cheapflights users on 5/4. 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.
Thu 6/411:35 am
LGW
- BKK
3 stops26h 15m
China Eastern
Deal found 5/4![China Eastern logo]()
$392
This CheapOair deal was found by Cheapflights users on 5/4. 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.
Fri 9/1111:35 am
LGW
- BKK
3 stops26h 15m
China Eastern
Deal found 5/4![China Eastern logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 5/91:35 pm
LGW
- BKK
2 stops41h 15m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$399
This FlightHub deal was found by Cheapflights users on 5/4. 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.
Tue 5/2610:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Deal found 5/4![SAUDIA logo]()
$399
This Trip.com deal was found by Cheapflights users on 5/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:10 pm
LHR
- BKK
1 stop19h 55m
SAUDIA
Deal found 5/2![SAUDIA logo]()
$406
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 May 5, 2026.
Round-trip from | $554 (Mytrip) |
|---|---|
One-way from | $383 (Kiwi.com) |
Popular in | December |
Cheapest in | November |
Average price | $825 |
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 May 5, 2026.
Use the filters below to find and compare flights from London to Southeast Asia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LondonBangkok
LGW - BKK
LGWBKK
London Gatwick
Mon 6/1
3:35 pm-12:35 pm
1 stop15h 00m
Bangkok Suvarnabhumi
Thu 7/2
10:35 pm-2:45 pm
1 stop22h 10m
$640
LondonBangkok
LGW - BKK
LGWBKK
London Gatwick
Wed 5/27
3:35 pm-12:35 pm
1 stop15h 00m
Bangkok Suvarnabhumi
Thu 7/2
10:35 pm-2:45 pm
1 stop22h 10m
$641
LondonBangkok
LHR - BKK
LHRBKK
London Heathrow
Sun 5/24
9:30 am-6:45 am
1 stop15h 15m
Bangkok Suvarnabhumi
Fri 7/3
8:45 pm-12:45 pm
1 stop22h 00m
$791
LondonKuala Lumpur
LHR - KUL
LHRKUL
London Heathrow
Sun 6/14
2:45 pm-7:45 pm
1 stop22h 00m
Kuala Lumpur Intl
Sun 8/2
9:50 am-3:05 pm
1 stop36h 15m
$807
LondonPhuket City
LHR - HKT
LHRHKT
London Heathrow
Wed 5/27
9:20 pm-6:00 pm
2 stops62h 40m
Phuket City
Thu 6/11
6:55 pm-6:40 pm
2 stops29h 45m
$810
LondonPhuket City
LHR - HKT
LHRHKT
London Heathrow
Tue 5/26
3:35 pm-2:15 pm
1 stop16h 40m
Phuket City
Sun 5/31
9:00 pm-8:00 am
1 stop17h 00m
$821
LondonPhuket City
LHR - HKT
LHRHKT
London Heathrow
Tue 6/30
7:25 pm-6:50 pm
1 stop17h 25m
Phuket City
Fri 7/17
9:20 am-6:25 am
1 stop27h 05m
$838
LondonPhuket City
LHR - HKT
LHRHKT
London Heathrow
Fri 7/3
2:45 pm-11:40 pm
1 stop26h 55m
Phuket City
Mon 8/3
2:25 am-3:05 pm
1 stop18h 40m
$917
LondonBangkok
LGW - BKK
LGWBKK
London Gatwick
Mon 8/31
11:35 am-8:55 pm
1 stop27h 20m
Bangkok Suvarnabhumi
Sat 9/12
9:55 pm-6:40 am
1 stop38h 45m
$919
LondonHanoi
LHR - HAN
LHRHAN
London Heathrow
Tue 5/19
3:35 pm-1:55 pm
1 stop16h 20m
Hanoi Noibai
Thu 6/4
1:55 am-2:05 pm
1 stop18h 10m
$921
Showing 1-10 of 60 resultsSorted by cheapest first
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-HKT
LHR-MNL
LHR-HAN
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-HKT
LHR-MNL
How far ahead should I book a flight from London to Southeast Asia?
To ensure you get the cheapest price possible for a flight from London to Southeast Asia, you should look to book at least 6 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 Southeast Asia?
Currently, November is the cheapest month in which you can book a flight from London to Southeast Asia (average of $810). Flying from London to Southeast Asia in December is currently the most expensive (average of $1,375). 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 May 5, 2026.
A simple way to save on the total cost of your ticket is to fly from London to Southeast Asia in the afternoon. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight at noon.
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 May 5, 2026.
The most flights from LON to zzYJX are scheduled on a Tuesday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 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 May 5, 2026.
Read through reviews of airlines operating flights from London to Southeast Asia, such as Singapore Airlines,Qatar Airways, andEtihad Airways. 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.
Overall
8.2
Crew
8.6
Entertainment
8.0
Boarding
8.3
Comfort
8.0
Food
7.8
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Overall
8.2
Crew
8.6
Entertainment
8.0
Boarding
8.3
Comfort
8.0
Food
7.8
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Overall
8.2
Crew
8.6
Entertainment
8.0
Boarding
8.3
Comfort
8.0
Food
7.8
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Overall
8.2
Crew
8.6
Entertainment
8.0
Boarding
8.3
Comfort
8.0
Food
7.8
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Overall
8.2
Crew
8.6
Entertainment
8.0
Boarding
8.3
Comfort
8.0
Food
7.8
Reviews
1 / 20
10.0
ExcellentJuliet,Oct 2025
PUS - SIN
Overall
8.2
Crew
8.6
Entertainment
8.0
Boarding
8.3
Comfort
8.0
Food
7.8
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.
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Alternative routes for London to Southeast Asia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Southeast Asia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from London to Southeast Asia by cabin class
Find flights from London to Southeast Asia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
London and Southeast Asia flights
Browse other London and Southeast Asia flight options. Last updated on May 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
London to Southeast Asia flights
Consider these flights traveling from London to Southeast Asia.
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 May 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$472 | Average$790 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$490 | Average$702 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$494 | Average$583 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$533 | Average$717 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$535 | Average$698 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$544 | Average$844 | FlexibilityNo cancel fee | On-time86% | |
| Cheapest$625 | Average$822 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$641 | Average$876 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$657 | Average$841 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$662 | Average$980 | FlexibilityNo cancel fee | On-time70% |