Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from London to Southeast Asia from €305

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Southeast Asia departing on 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
'This year, momondo is the #1 place for airfares on the internet.'
Voted the Winner of Europe's Best Travel App 2023
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from London to Southeast Asia

Cheap return flights

These are some of the best return flight deals from London to Southeast Asia that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London to Southeast Asia.

Cheap last-minute flights

Planning a quick getaway from London to Southeast Asia? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Southeast Asia, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London to Southeast Asia

Find recent round-trip train or bus tickets from London to Southeast Asia.

All round-trip flight deals to Southeast Asia

The cheapest plane tickets to Southeast Asia found on KAYAK recently.
21:10 - 02:05LHR-BKK
21h 55m1 stop
03:05 - 19:10BKK-LHR
23h 05m1 stop
€514Shenzhen Airlines
Find Deal
Sun, 19 Jan - Sun, 2 Feb
21:10 - 02:05LHR-BKK
21h 55m1 stop
19:30 - 19:10BKK-LHR
30h 40m1 stop
€516Shenzhen Airlines
Find Deal
Wed, 26 Feb - Tue, 11 Mar
21:10 - 11:10LHR-BKK
31h 00m1 stop
19:30 - 19:00BKK-LHR
30h 30m1 stop
€517Shenzhen Airlines
Find Deal
Sat, 15 Mar - Sat, 29 Mar
17:40 - 00:10LHR-BKK
23h 30m1 stop
18:20 - 20:15BKK-LHR
31h 55m1 stop
€536Air China
Find Deal
Wed, 19 Mar - Wed, 2 Apr
20:25 - 21:30LHR-BKK
18h 05m1 stop
01:30 - 17:50BKK-LHR
23h 20m1 stop
€558Air China
Find Deal
Wed, 26 Feb - Mon, 10 Mar
22:00 - 10:10LHR-BKK
29h 10m1 stop
18:55 - 18:15BKK-LHR
30h 20m1 stop
€571China Southern
Find Deal
Thu, 16 Jan - Thu, 13 Mar
22:00 - 17:05LHR-BKK
36h 05m1 stop
19:15 - 17:55BKK-LHR
53h 40m2 stops
€667China Southern
Find Deal
Thu, 16 Jan - Thu, 13 Mar
17:50 - 04:05LHR-BKK
27h 15m1 stop
01:55 - 17:30BKK-LHR
22h 35m1 stop
€681China Eastern
Find Deal
Thu, 16 Jan - Wed, 12 Mar
14:15 - 00:35LHR-KUL
26h 20m1 stop
17:35 - 13:15KUL-LHR
26h 40m1 stop
€770SAUDIA
Find Deal
Sat, 29 Mar - Mon, 28 Apr
18:50 - 23:35LHR-BKK
21h 45m2 stops
15:20 - 12:15BKK-LHR
27h 55m1 stop
€779SAUDIA
Find Deal
Tue, 11 Feb - Fri, 21 Mar
05:30 - 13:25LGW-DPS
24h 55m2 stops
€305
Find Deal
Mon, 5 May
14:25 - 07:50LGW-SIN
34h 25m1 stop
€305
Find Deal
Tue, 20 May
09:25 - 06:15LGW-SIN
12h 50mdirect
€381Singapore Airlines
Find Deal
Sun, 16 Mar
09:25 - 06:15LGW-SIN
12h 50mdirect
€386Singapore Airlines
Find Deal
Fri, 14 Mar
21:10 - 03:30LHR-KUL
22h 20m1 stop
€401Shenzhen Airlines
Find Deal
Mon, 3 Mar
21:10 - 19:30LHR-KUL
38h 20m1 stop
€402Shenzhen Airlines
Find Deal
Mon, 10 Feb
18:35 - 17:05LGW-SIN
15h 30m1 stop
€492SWISS
Find Deal
Fri, 9 May
18:40 - 17:55LGW-SIN
15h 15m1 stop
€520SWISS
Find Deal
Thu, 13 Feb
16:15 - 23:35LHR-BKK
24h 20m2 stops
€544SAUDIA
Find Deal
Tue, 25 Feb
18:50 - 23:35LHR-BKK
21h 45m2 stops
€545SAUDIA
Find Deal
Tue, 11 Feb
20:05 - 06:45LHR-BKK
27h 40m1 stop
20:05 - 18:25BKK-LHR
29h 20m1 stop
€744Oman Air
Find Deal
Sat, 28 Dec - Thu, 6 Mar
20:05 - 06:45LHR-BKK
27h 40m1 stop
01:55 - 13:55BKK-LHR
19h 00m1 stop
€823
Find Deal
Sat, 28 Dec - Wed, 5 Mar
20:05 - 06:45LHR-BKK
27h 40m1 stop
17:55 - 17:50BKK-LHR
30h 55m2 stops
€897
Find Deal
Sat, 28 Dec - Thu, 6 Mar
17:50 - 12:20LHR-BKK
35h 30m1 stop
01:55 - 13:55BKK-LHR
19h 00m1 stop
€899China Eastern
Find Deal
Tue, 31 Dec - Wed, 5 Mar
17:50 - 12:20LHR-BKK
35h 30m1 stop
01:55 - 13:55BKK-LHR
19h 00m1 stop
€907China Eastern
Find Deal
Tue, 31 Dec - Tue, 4 Mar
19:20 - 18:00LHR-BKK
15h 40m1 stop
02:15 - 12:05BKK-LHR
16h 50m1 stop
€921Etihad Airways
Find Deal
Tue, 31 Dec - Wed, 15 Jan
20:25 - 00:10LHR-BKK
20h 45m1 stop
01:30 - 15:55BKK-LHR
21h 25m1 stop
€1,151Air China
Find Deal
Sun, 29 Dec - Mon, 3 Mar
20:55 - 18:00LHR-BKK
14h 05m1 stop
02:15 - 12:05BKK-LHR
16h 50m1 stop
€1,177Etihad Airways
Find Deal
Tue, 31 Dec - Fri, 14 Mar
19:10 - 23:35LHR-BKK
21h 25m1 stop
15:20 - 14:15BKK-LHR
29h 55m2 stops
€1,178SAUDIA
Find Deal
Sun, 29 Dec - Fri, 28 Mar
19:10 - 23:35LHR-BKK
21h 25m1 stop
15:20 - 07:30BKK-LHR
23h 10m2 stops
€1,181SAUDIA
Find Deal
Sun, 29 Dec - Fri, 7 Mar
10:15 - 06:20LGW-SIN
13h 05mdirect
23:55 - 06:25SIN-LGW
13h 30mdirect
€675Singapore Airlines
Find Deal
Mon, 28 Apr - Mon, 12 May
10:15 - 06:20LGW-SIN
13h 05mdirect
23:55 - 06:25SIN-LGW
13h 30mdirect
€676Singapore Airlines
Find Deal
Thu, 1 May - Mon, 19 May
21:10 - 17:20LHR-KUL
13h 10mdirect
22:50 - 05:25KUL-LHR
13h 35mdirect
€708British Airways
Find Deal
Fri, 9 May - Mon, 19 May
21:10 - 17:20LHR-KUL
13h 10mdirect
22:50 - 05:25KUL-LHR
13h 35mdirect
€709British Airways
Find Deal
Mon, 5 May - Wed, 21 May
21:20 - 15:45LHR-BKK
11h 25mdirect
12:40 - 19:20BKK-LHR
13h 40mdirect
€865EVA Air
Find Deal
Sat, 25 Jan - Mon, 17 Feb
21:20 - 15:45LHR-BKK
11h 25mdirect
12:50 - 19:25BKK-LHR
12h 35mdirect
€866EVA Air
Find Deal
Sun, 23 Feb - Mon, 8 Sep
21:35 - 16:00LHR-BKK
11h 25mdirect
00:55 - 07:15BKK-LHR
12h 20mdirect
€971Thai Airways
Find Deal
Wed, 19 Mar - Tue, 1 Apr
10:25 - 07:15LHR-KUL
12h 50mdirect
09:50 - 16:35KUL-LHR
13h 45mdirect
€984Malaysia Airlines
Find Deal
Wed, 15 Jan - Fri, 11 Apr
21:35 - 17:50LHR-KUL
13h 15mdirect
09:50 - 16:35KUL-LHR
13h 45mdirect
€984Malaysia Airlines
Find Deal
Sun, 30 Mar - Thu, 1 May
21:35 - 16:00LHR-BKK
11h 25mdirect
00:05 - 06:40BKK-LHR
13h 35mdirect
€1,089Thai Airways
Find Deal
Sat, 15 Mar - Fri, 28 Mar

Shenzhen Airlines flights from London to Southeast Asia

Our best Shenzhen Airlines deals on London to Southeast Asia flight tickets
Shenzhen Airlines
19 Jan
LHR21:10London Heathrow
21h 55m
1 stop
BKK02:05Bangkok Suvarnabhumi
2 Feb
BKK03:05Bangkok Suvarnabhumi
23h 05m
1 stop
LHR19:10London Heathrow
Shenzhen Airlines
26 Feb
LHR21:10London Heathrow
21h 55m
1 stop
BKK02:05Bangkok Suvarnabhumi
11 Mar
BKK19:30Bangkok Suvarnabhumi
30h 40m
1 stop
LHR19:10London Heathrow
Shenzhen Airlines
15 Mar
LHR21:10London Heathrow
31h 00m
1 stop
BKK11:10Bangkok Suvarnabhumi
29 Mar
BKK19:30Bangkok Suvarnabhumi
30h 30m
1 stop
LHR19:00London Heathrow

Air China flights from London to Southeast Asia

Our best Air China deals on London to Southeast Asia flight tickets
Air China
19 Mar
LHR17:40London Heathrow
23h 30m
1 stop
BKK00:10Bangkok Suvarnabhumi
2 Apr
BKK18:20Bangkok Suvarnabhumi
31h 55m
1 stop
LHR20:15London Heathrow
Air China
26 Feb
LHR20:25London Heathrow
18h 05m
1 stop
BKK21:30Bangkok Suvarnabhumi
10 Mar
BKK01:30Bangkok Suvarnabhumi
23h 20m
1 stop
LHR17:50London Heathrow
Air China
9 Feb
LHR17:40London Heathrow
20h 50m
1 stop
BKK21:30Bangkok Suvarnabhumi
15 Feb
BKK01:30Bangkok Suvarnabhumi
23h 20m
1 stop
LHR17:50London Heathrow

See travel insights to Southeast Asia from

How to get the cheapest flight ticket from London to Southeast Asia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Southeast Asia?

The cheapest month to fly to Southeast Asia from London is in May. Flight prices, which tend to average around €793, are often lower during this time because this is during the off-season. If you’re not able to fly to Southeast Asia in May, then September is your next best option. Flight prices from London to Southeast Asia during September average around €797.

What is the cheapest day to depart on your flight to Southeast Asia?

The cheapest day to depart from London to Southeast Asia is on a Monday. Travellers who choose to depart for Southeast Asia on a Monday will often find tickets for as low as €0. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around €1,072. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southeast Asia.

What is the cheapest time of day to depart on your flight to Southeast Asia?

Our most recent data shows that the best time of day to fly to Southeast Asia is at midday. Flights from London to Southeast Asia during this time can be as low as €0. Flights to Southeast Asia are more costly in the morning, with an average ticket price of €1,070. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London to Southeast Asia flight route?

Fly from London Gatwick to Singapore Changi for the best London - Southeast Asia flight prices

How far in advance should I book a flight to Southeast Asia?

We recommend purchasing flights from London to Southeast Asia 50 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Southeast Asia for €894. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as €795.

What cabin class options are available on London to Southeast Asia flights?

There are 2 cabin classes available to choose from on London to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to Southeast Asia flights?

You could potentially save up to 16% on your flight if you consider stops on a London to Southeast Asia flight.

Cheap London to Southeast Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Southeast Asia

Best price found

€305

Fastest flight time

11h 25m

Direct flights

Every day

Airports in Southeast Asia

5 airports
The best one-way flight to Southeast Asia from London in the past 72 hours is €305. The best return flight deal from London to Southeast Asia found on momondo in the last 72 hours is €514.
The fastest flight from London to Southeast Asia takes 11h 25m
Direct flights go from London to Southeast Asia every day.
There are 5 airports near Southeast Asia: Phuket City (HKT), Bangkok Suvarnabhumi (BKK), Kuala Lumpur Intl (KUL), Denpasar Bali Ngurah Rai (DPS), Singapore Changi (SIN)

  • When did momondo last update prices for flights from London to Southeast Asia?

    Prices for flights from London to Southeast Asia refresh daily.

  • How old do you have to be to fly from London to Southeast Asia?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Southeast Asia.

  • What documentation or ID do you need to fly to Southeast Asia?

    The travel and health documents you'll need for your trip to Southeast Asia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Southeast Asia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to Southeast Asia?


Best airlines flying from London to Southeast Asia

Compare and see reviews for airlines that fly from London to Southeast Asia with momondo
Airline
Rating
Free Cancellation
Price
Vietnam AirlinesPriceFrom €954Free CancellationRating
7.6
216 reviews
Search Vietnam Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Southeast Asia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Southeast Asia . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Southeast Asia with flexible booking policies on momondo?

All flight searches from London to Southeast Asia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Southeast Asia?

momondo provides multiple filters to help you find the best flight to Southeast Asia from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Southeast Asia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Southeast Asia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


An easier way to manage your Southeast Asia trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Wed 1/1
Wed 8/1
Email me momondo's favourite deals

Find better results for your trip to Southeast Asia

Popular Cities in Southeast Asia

Popular flights according to clicks in the last 7 days on momondo