$352+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BKK
Sep 6 — Sep 131
Round-trip
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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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 August 7, 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 August 7, 2026.
This Air China deal was found by Cheapflights users on 8/6. 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.
Sat 11/149:35 pm -
1 stop31h 55m
Mon 11/301:30 am -
1 stop21h 25m
Deal found 8/6![Air China logo]()
$618
This Super.com deal was found by Cheapflights users on 8/6. 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.
Fri 8/2811:00 am -
1 stop17h 20m
Sat 9/57:00 pm -
1 stop17h 30m
Deal found 8/6![China Southern logo]()
$619
This Trip.com deal was found by Cheapflights users on 8/6. 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.
Wed 9/3011:15 am -
1 stop31h 10m
Fri 10/167:35 pm -
1 stop17h 00m
Deal found 8/6![Multiple Airlines logo]()
$620
This Justfly.com deal was found by Cheapflights users on 8/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:10 pm -
1 stop36h 45m
Sat 11/285:55 pm -
1 stop32h 15m
Deal found 8/5![Shenzhen Airlines logo]()
$620
This Trip.com deal was found by Cheapflights users on 8/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:20 am -
1 stop20h 15m
Thu 10/2911:00 pm -
1 stop22h 35m
Deal found 8/4![Condor logo]()
$621
This Booking.com deal was found by Cheapflights users on 8/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:40 pm -
1 stop19h 30m
Sun 9/271:30 am -
1 stop24h 55m
Deal found 8/5![Air China logo]()
$621
This CheapOair deal was found by Cheapflights users on 8/6. 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.
Tue 11/1710:30 am -
1 stop31h 25m
Thu 12/32:50 pm -
Nonstop13h 15m
Deal found 8/6![Multiple Airlines logo]()
$622
This Air China deal was found by Cheapflights users on 8/3. 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.
Thu 8/2710:40 pm -
1 stop32h 55m
Tue 9/81:30 am -
1 stop22h 10m
Deal found 8/3![Air China logo]()
$622
This FlightHub deal was found by Cheapflights users on 8/4. 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 11/139:10 pm -
1 stop36h 45m
Sun 11/2212:10 pm -
1 stop38h 00m
Deal found 8/4![Shenzhen Airlines logo]()
$623
This Trip.com deal was found by Cheapflights users on 8/6. 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.
Sat 10/319:50 am -
1 stop17h 20m
Tue 11/103:45 pm -
1 stop21h 45m
Deal found 8/6![China Southern logo]()
$624
This FlightHub deal was found by Cheapflights users on 8/4. 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.
Sat 8/2910:05 pm -
1 stop31h 05m
Sun 9/137:15 pm -
1 stop30h 35m
Deal found 8/4![Shenzhen Airlines logo]()
$624
This FlightHub deal was found by Cheapflights users on 8/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:20 am -
1 stop20h 15m
Thu 10/1510:35 pm -
1 stop22h 10m
Deal found 8/5![Condor logo]()
$625
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 August 7, 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 August 7, 2026.
This China Eastern deal was found by Cheapflights users on 8/2. 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 11/49:00 pm -
1 stop18h 25m
Wed 11/183:55 pm -
2 stops32h 35m
Deal found 8/2![China Eastern logo]()
$636
This Norse Atlantic Airways deal was found by Cheapflights users on 8/3. 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 Norse Atlantic Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:40 pm -
Nonstop11h 40m
Wed 12/29:20 am -
Nonstop13h 15m
Deal found 8/3![Norse Atlantic UK logo]()
$691
This Shenzhen Airlines deal was found by Cheapflights users on 8/2. 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 Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:00 pm -
1 stop38h 15m
Wed 10/213:15 am -
1 stop22h 35m
Deal found 8/2![Shenzhen Airlines logo]()
$693
This Finnair deal was found by Cheapflights users on 8/4. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:20 am -
1 stop25h 10m
Tue 9/229:35 pm -
1 stop30h 05m
Deal found 8/4![Finnair logo]()
$768
This British Airways deal was found by Cheapflights users on 8/4. 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.
Wed 11/119:00 pm -
Nonstop13h 25m
Sun 11/1511:15 pm -
Nonstop14h 30m
Deal found 8/4![British Airways logo]()
$808
This Turkish Airlines deal was found by Cheapflights users on 8/2. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:05 am -
1 stop18h 40m
Thu 10/810:25 am -
1 stop19h 05m
Deal found 8/2![Turkish Airlines logo]()
$825
This Scandinavian Airlines deal was found by Cheapflights users on 8/6. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:20 am -
1 stop17h 15m
Sat 11/2812:35 pm -
2 stops27h 20m
Deal found 8/6![Scandinavian Airlines logo]()
$843
This Oman Air deal was found by Cheapflights users on 8/2. 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.
Thu 10/228:50 pm -
1 stop30h 20m
Sun 10/259:10 am -
1 stop16h 15m
Deal found 8/2![Oman Air logo]()
$902
This Malaysia Airlines deal was found by Cheapflights users on 8/7. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:35 pm -
Nonstop13h 15m
Wed 9/3011:20 pm -
Nonstop13h 35m
Deal found 8/7![Malaysia Airlines logo]()
$942
This Expedia deal was found by Cheapflights users on 8/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:50 am -
2 stops20h 15m
Fri 11/136:25 pm -
2 stops20h 15m
Deal found 8/5![Multiple Airlines logo]()
$942
This Singapore Airlines deal was found by Cheapflights users on 8/6. 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 9/151:15 pm -
Nonstop13h 20m
Mon 9/212:30 am -
Nonstop14h 00m
Deal found 8/6![Singapore Airlines logo]()
$973
This Etihad Airways deal was found by Cheapflights users on 8/2. 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 10/232:45 pm -
1 stop33h 55m
Wed 10/282:40 am -
1 stop16h 25m
Deal found 8/2![Etihad Airways logo]()
$987
This SWISS deal was found by Cheapflights users on 8/4. 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.
Mon 9/148:55 am -
2 stops18h 55m
Tue 9/226:30 pm -
2 stops19h 25m
Deal found 8/4![SWISS logo]()
$1,033
This Qatar Airways deal was found by Cheapflights users on 8/5. 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.
Wed 9/239:00 am -
1 stop23h 45m
Sun 10/47:40 pm -
1 stop18h 00m
Deal found 8/5![Qatar Airways logo]()
$1,038
This Vietnam Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 10/2911:00 am -
Nonstop12h 10m
Mon 11/1612:20 am -
Nonstop13h 55m
Deal found 8/6![Vietnam Airlines logo]()
$1,076
This Emirates deal was found by Cheapflights users on 8/5. 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.
Wed 9/1610:05 am -
2 stops18h 25m
Thu 9/2410:35 am -
1 stop16h 10m
Deal found 8/5![Emirates logo]()
$1,084
This China Airlines deal was found by Cheapflights users on 8/6. 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.
Tue 12/299:15 pm -
1 stop35h 50m
Thu 1/1410:55 am -
1 stop38h 00m
Deal found 8/6![China Airlines logo]()
$1,273
This Norse Atlantic Airways deal was found by Cheapflights users on 8/5. 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 Norse Atlantic Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/16:20 am -
Nonstop11h 40m
Thu 1/212:50 pm -
Nonstop13h 15m
Deal found 8/5![Norse Atlantic UK logo]()
$730
This Shenzhen Airlines deal was found by Cheapflights users on 8/5. 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 Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:05 pm -
1 stop22h 10m
Thu 10/295:55 pm -
1 stop32h 15m
Deal found 8/5![Shenzhen Airlines logo]()
$748
This China Eastern deal was found by Cheapflights users on 8/2. 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 10/149:20 pm -
1 stop24h 45m
Fri 10/163:55 pm -
2 stops32h 45m
Deal found 8/2![China Eastern logo]()
$770
This British Airways deal was found by Cheapflights users on 8/4. 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.
Tue 9/157:25 pm -
Nonstop13h 45m
Tue 9/2211:25 pm -
Nonstop14h 10m
Deal found 8/4![British Airways logo]()
$808
This Scandinavian Airlines deal was found by Cheapflights users on 8/6. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:20 am -
1 stop17h 15m
Sun 11/812:35 pm -
2 stops28h 00m
Deal found 8/6![Scandinavian Airlines logo]()
$858
This China Eastern deal was found by Cheapflights users on 8/3. 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 9/79:20 pm -
2 stops21h 50m
Mon 9/143:15 am -
1 stop21h 25m
Deal found 8/3![China Eastern logo]()
$811
This British Airways deal was found by Cheapflights users on 8/4. 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.
Thu 8/2710:15 pm -
Nonstop11h 50m
Wed 9/98:00 pm -
1 stop16h 40m
Deal found 8/4![British Airways logo]()
$815
This Oman Air deal was found by Cheapflights users on 8/6. 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.
Mon 10/58:25 am -
2 stops28h 40m
Mon 10/1910:05 am -
2 stops39h 05m
Deal found 8/6![Oman Air logo]()
$905
This KLM deal was found by Cheapflights users on 8/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:40 am -
2 stops18h 35m
Wed 9/2312:05 pm -
2 stops25h 50m
Deal found 8/4![Multiple Airlines logo]()
$966
This Scandinavian Airlines deal was found by Cheapflights users on 8/2. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:35 pm -
2 stops37h 00m
Sat 11/712:35 pm -
1 stop27h 45m
Deal found 8/2![Scandinavian Airlines logo]()
$882
This Etihad Airways deal was found by Cheapflights users on 8/7. 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.
Mon 9/282:45 pm -
2 stops26h 15m
Sat 10/103:20 am -
1 stop15h 25m
Deal found 8/7![Etihad Airways logo]()
$991
This Oman Air deal was found by Cheapflights users on 8/4. 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 Oman Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/18:25 am -
2 stops42h 35m
Wed 3/34:40 pm -
2 stops32h 45m
Deal found 8/4![Oman Air logo]()
$911
This China Eastern deal was found by Cheapflights users on 8/5. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:30 am -
1 stop22h 25m
Mon 1/119:05 pm -
3 stops40h 25m
Deal found 8/5![China Eastern logo]()
$836
Last-minute flights from London to Southeast AsiaDiscover last-minute flight deals from London to Southeast Asia. Data last updated August 7, 2026 and is based on user searches.
Discover last-minute flight deals from London to Southeast Asia. Data last updated August 7, 2026 and is based on user searches.
This Condor deal was found by Cheapflights users on 8/4. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:20 am -
1 stop20h 15m
Fri 10/910:35 pm -
1 stop22h 05m
Deal found 8/4![Condor logo]()
$635
This Booking.com deal was found by Cheapflights users on 8/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:40 pm -
1 stop19h 30m
Sun 9/271:30 am -
1 stop24h 55m
Deal found 8/5![Air China logo]()
$621
This Air China deal was found by Cheapflights users on 8/3. 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.
Thu 8/2710:40 pm -
1 stop32h 55m
Tue 9/81:30 am -
1 stop22h 10m
Deal found 8/3![Air China logo]()
$622
This Gotogate deal was found by Cheapflights users on 8/6. 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.
Fri 8/2810:10 pm -
1 stop32h 40m
Sat 9/53:10 pm -
1 stop34h 10m
Deal found 8/6![China Southern logo]()
$634
This FlightHub deal was found by Cheapflights users on 8/4. 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.
Sat 8/2910:05 pm -
1 stop31h 05m
Sun 9/137:15 pm -
1 stop30h 35m
Deal found 8/4![Shenzhen Airlines logo]()
$624
This Booking.com deal was found by Cheapflights users on 8/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:00 pm -
2 stops30h 00m
Thu 9/1011:05 am -
2 stops38h 25m
Deal found 8/4![Hainan Airlines logo]()
$632
This FlightHub deal was found by Cheapflights users on 8/3. 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.
Sun 9/2010:05 pm -
1 stop22h 10m
Sun 10/47:15 pm -
1 stop30h 35m
Deal found 8/3![Shenzhen Airlines logo]()
$626
This China Eastern deal was found by Cheapflights users on 8/4. 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.
Mon 9/219:20 pm -
1 stop18h 35m
Tue 10/133:00 am -
2 stops21h 40m
Deal found 8/4![China Eastern logo]()
$633
This China Eastern deal was found by Cheapflights users on 8/5. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:20 pm -
1 stop17h 35m
Tue 11/107:55 pm -
1 stop28h 35m
Deal found 8/5![China Eastern logo]()
$625
This Shenzhen Airlines deal was found by Cheapflights users on 8/5. 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 Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:05 pm -
1 stop31h 05m
Sun 10/1112:10 pm -
1 stop37h 40m
Deal found 8/5![Shenzhen Airlines logo]()
$627
This Shenzhen Airlines deal was found by Cheapflights users on 8/7. 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 9/2510:05 pm -
1 stop22h 10m
Thu 10/83:15 am -
1 stop22h 45m
Deal found 8/7![Shenzhen Airlines logo]()
$629
This Shenzhen Airlines deal was found by Cheapflights users on 8/7. 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.
Tue 9/2910:00 pm -
1 stop22h 15m
Fri 10/163:15 am -
1 stop22h 35m
Deal found 8/7![Shenzhen Airlines logo]()
$628
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 August 7, 2026.
Search for one-way flight options from London to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:50 pm -
2 stops42h 50m
Deal found 8/3![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 8/4. 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.
Wed 8/268:50 pm -
2 stops43h 10m
Deal found 8/4![Multiple Airlines logo]()
$362
This Mytrip deal was found by Cheapflights users on 8/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:40 pm -
1 stop37h 05m
Deal found 8/3![Air China logo]()
$374
This Gotogate deal was found by Cheapflights users on 8/6. 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 9/210:40 pm -
1 stop19h 30m
Deal found 8/6![Air China logo]()
$374
This Booking.com deal was found by Cheapflights users on 8/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:40 pm -
1 stop37h 05m
Deal found 8/3![Air China logo]()
$375
This Mytrip deal was found by Cheapflights users on 8/6. 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 8/1910:10 pm -
1 stop31h 30m
Deal found 8/6![China Southern logo]()
$375
This Mytrip deal was found by Cheapflights users on 8/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:25 pm -
1 stop39h 20m
Deal found 8/4![Air China logo]()
$376
This FlightHub deal was found by Cheapflights users on 8/7. 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 11/47:45 pm -
1 stop31h 20m
Deal found 8/7![Hainan Airlines logo]()
$376
This FlightHub deal was found by Cheapflights users on 8/6. 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.
Mon 8/2410:10 pm -
1 stop30h 10m
Deal found 8/6![China Southern logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 9/27:10 am -
2 stops24h 25m
Deal found 8/6![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 11/510:30 am -
1 stop18h 50m
Deal found 8/7![China Eastern logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:55 am -
3 stops44h 35m
Deal found 8/5![Multiple Airlines logo]()
$380
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 August 7, 2026.
Round-trip from | $618 (Air China) |
|---|---|
One-way from | $352 (Kiwi.com) |
Popular in | December |
Cheapest in | November |
Average price | $1,102 |
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 August 7, 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
LHR London Heathrow - BKK Bangkok Suvarnabhumi
LHRBKK
London Heathrow
Wed 11/4
9:00 pm-10:25 pm
1 stop18h 25m
Bangkok Suvarnabhumi
Wed 11/18
3:55 pm-5:30 pm
2 stops32h 35m
$636
Quickest round-trip
LondonBangkok
LGW London Gatwick - BKK Bangkok Suvarnabhumi
LGWBKK
London Gatwick
Wed 11/4
5:40 pm-12:20 pm
Nonstop11h 40m
Bangkok Suvarnabhumi
Wed 12/2
9:20 am-3:35 pm
Nonstop13h 15m
$691
LondonBangkok
LHR London Heathrow - BKK Bangkok Suvarnabhumi
LHRBKK
London Heathrow
Thu 10/8
10:00 pm-6:15 pm
1 stop38h 15m
Bangkok Suvarnabhumi
Wed 10/21
3:15 am-7:50 pm
1 stop22h 35m
$693
LondonBangkok
LGW London Gatwick - BKK Bangkok Suvarnabhumi
LGWBKK
London Gatwick
Fri 1/1
6:20 am-1:00 am
Nonstop11h 40m
Bangkok Suvarnabhumi
Thu 1/21
2:50 pm-9:05 pm
Nonstop13h 15m
$730
LondonBangkok
LHR London Heathrow - BKK Bangkok Suvarnabhumi
LHRBKK
London Heathrow
Sun 8/30
10:05 pm-2:15 am
1 stop22h 10m
Bangkok Suvarnabhumi
Thu 10/29
5:55 pm-7:10 pm
1 stop32h 15m
$748
LondonSingapore
LHR London Heathrow - SIN Singapore Changi
LHRSIN
London Heathrow
Tue 9/15
10:20 am-6:30 pm
1 stop25h 10m
Singapore Changi
Tue 9/22
9:35 pm-8:40 pm
1 stop30h 05m
$768
LondonBangkok
LHR London Heathrow - BKK Bangkok Suvarnabhumi
LHRBKK
London Heathrow
Wed 10/14
9:20 pm-4:05 am
1 stop24h 45m
Bangkok Suvarnabhumi
Fri 10/16
3:55 pm-6:40 pm
2 stops32h 45m
$770
LondonSingapore
LHR London Heathrow - SIN Singapore Changi
LHRSIN
London Heathrow
Wed 11/11
9:00 pm-6:25 pm
Nonstop13h 25m
Singapore Changi
Sun 11/15
11:15 pm-5:45 am
Nonstop14h 30m
$808
LondonSingapore
LHR London Heathrow - SIN Singapore Changi
LHRSIN
London Heathrow
Tue 9/15
7:25 pm-4:10 pm
Nonstop13h 45m
Singapore Changi
Tue 9/22
11:25 pm-6:35 am
Nonstop14h 10m
$808
LondonBangkok
LHR London Heathrow - BKK Bangkok Suvarnabhumi
LHRBKK
London Heathrow
Mon 9/7
9:20 pm-1:10 am
2 stops21h 50m
Bangkok Suvarnabhumi
Mon 9/14
3:15 am-6:40 pm
1 stop21h 25m
$811
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-SIN
LGW-SIN
LHR-HKT
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-SIN
LGW-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 $818). Flying from London to Southeast Asia in December is currently the most expensive (average of $1,363). 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 August 7, 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 26% 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 August 7, 2026.
The most flights from LON to zzYJX are scheduled on a Tuesday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).
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 82 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 day to fly from London to Southeast Asia?
Use this chart to determine the cheapest time to fly round-trip from London to Southeast Asia. Price data was last updated on August 1, 2026.
Travelers seeking maximum savings on their London to Southeast Asia flight should consider departing on Friday mornings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 August 7, 2026.
Read through reviews of airlines operating flights from London to Southeast Asia, such as Singapore Airlines,Qatar Airways, andAir China. 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
Food
7.8
Comfort
8.0
Crew
8.6
Entertainment
8.1
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Jul 2025
DAD - SIN
Overall
8.2
Food
7.8
Comfort
8.0
Crew
8.6
Entertainment
8.1
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Jul 2025
DAD - SIN
Overall
8.2
Food
7.8
Comfort
8.0
Crew
8.6
Entertainment
8.1
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Jul 2025
DAD - SIN
Overall
8.2
Food
7.8
Comfort
8.0
Crew
8.6
Entertainment
8.1
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Jul 2025
DAD - SIN
Overall
8.2
Food
7.8
Comfort
8.0
Crew
8.6
Entertainment
8.1
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Jul 2025
DAD - SIN
Overall
8.2
Food
7.8
Comfort
8.0
Crew
8.6
Entertainment
8.1
Boarding
8.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Jul 2025
DAD - 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.
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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 August 7, 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 August 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$462 | Average$890 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$466 | Average$675 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$472 | Average$801 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$494 | Average$601 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$544 | Average$848 | FlexibilityNo cancel fee | On-time86% | |
| Cheapest$545 | Average$788 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$562 | Average$756 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$570 | Average$706 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$640 | Average$902 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$643 | Average$885 | FlexibilityNo cancel fee | On-time78% |