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Cheap flights from London to Southeast Asia from €259

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 13/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London to Southeast Asia

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London to Southeast Asia.
SWISS Logo
13:45 - 09:45LHR-BKK
14h 00m1 stop
SWISS Logo
12:50 - 07:55BKK-LHR
25h 05m1 stop
€423SWISS
Find Deal
Mon, 16 Jun - Tue, 24 Jun
Hainan Airlines Logo
22:00 - 10:00LHR-BKK
30h 00m2 stops
Hainan Airlines Logo
01:30 - 19:30BKK-LHR
24h 00m2 stops
€454Hainan Airlines
Find Deal
Fri, 13 Jun - Sun, 15 Jun
Shenzhen Airlines Logo
22:05 - 02:15LHR-BKK
22h 10m1 stop
Shenzhen Airlines Logo
03:15 - 19:50BKK-LHR
22h 35m1 stop
€487Shenzhen Airlines
Find Deal
Fri, 13 Jun - Sun, 15 Jun
Shenzhen Airlines Logo
22:05 - 02:15LHR-BKK
22h 10m1 stop
Shenzhen Airlines Logo
19:30 - 19:50BKK-LHR
30h 20m1 stop
€521Shenzhen Airlines
Find Deal
Sun, 28 Sep - Sun, 12 Oct
Air India Logo
21:05 - 19:35LHR-BKK
16h 30m1 stop
Air India Logo
08:40 - 19:00BKK-LHR
16h 20m1 stop
€554Air India
Find Deal
Fri, 13 Jun - Mon, 16 Jun
Air China Logo
22:40 - 00:05LHR-BKK
19h 25m1 stop
Air China Logo
18:20 - 20:15BKK-LHR
31h 55m1 stop
€562Air China
Find Deal
Fri, 9 May - Mon, 12 May
SAUDIA Logo
10:00 - 13:45LHR-BKK
21h 45m1 stop
SAUDIA Logo
15:25 - 07:30BKK-LHR
22h 05m1 stop
€567SAUDIA
Find Deal
Sat, 17 May - Thu, 3 Jul
SAUDIA Logo
10:00 - 13:45LHR-BKK
21h 45m1 stop
SAUDIA Logo
15:25 - 20:30BKK-LHR
35h 05m2 stops
€571SAUDIA
Find Deal
Sat, 17 May - Thu, 5 Jun
Air India Logo
09:45 - 07:40LHR-BKK
15h 55m1 stop
Air India Logo
20:50 - 10:15BKK-LHR
19h 25m1 stop
€603Air India
Find Deal
Sun, 25 May - Mon, 26 May
Air China Logo
11:25 - 16:00LGW-SIN
21h 35m1 stop
Air China Logo
23:25 - 06:35SIN-LGW
38h 10m1 stop
€656Air China
Find Deal
Sun, 1 Jun - Sat, 28 Jun

SWISS flights from London to Southeast Asia

Our best SWISS deals on London to Southeast Asia flight tickets
SWISS
16 Jun
LHR13:45London Heathrow
14h 00m
1 stop
BKK09:45Bangkok Suvarnabhumi
24 Jun
BKK12:50Bangkok Suvarnabhumi
25h 05m
1 stop
LHR07:55London Heathrow
SWISS
1 Oct
LHR17:10London Heathrow
23h 55m
2 stops
DPS00:05Denpasar Bali Ngurah Rai
29 Oct
DPS10:25Denpasar Bali Ngurah Rai
29h 40m
2 stops
LHR08:05London Heathrow
SWISS
9 Sept
LGW18:35London Gatwick
22h 30m
2 stops
DPS00:05Denpasar Bali Ngurah Rai
29 Oct
DPS13:00Denpasar Bali Ngurah Rai
36h 50m
2 stops
LGW17:50London Gatwick

Shenzhen Airlines flights from London to Southeast Asia

Our best Shenzhen Airlines deals on London to Southeast Asia flight tickets
Shenzhen Airlines
13 Jun
LHR22:05London Heathrow
22h 10m
1 stop
BKK02:15Bangkok Suvarnabhumi
15 Jun
BKK03:15Bangkok Suvarnabhumi
22h 35m
1 stop
LHR19:50London Heathrow
Shenzhen Airlines
28 Sept
LHR22:05London Heathrow
22h 10m
1 stop
BKK02:15Bangkok Suvarnabhumi
12 Oct
BKK19:30Bangkok Suvarnabhumi
30h 20m
1 stop
LHR19:50London Heathrow
Shenzhen Airlines
9 Jun
LHR22:05London Heathrow
31h 05m
1 stop
BKK11:10Bangkok Suvarnabhumi
15 Jun
BKK03:15Bangkok Suvarnabhumi
22h 35m
1 stop
LHR19:50London 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 €496, 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 €656.

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 Sunday because tickets tend to average around €1,480. 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 €1,211. 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?

You are more likely to see cheaper flights to Southeast Asia from London when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around €820 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from London for as low as €751 on momondo.

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.

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

€259

Fastest flight time

11h 30m

Direct flights

Every day

Airports in Southeast Asia

3 airports
The best one-way flight to Southeast Asia from London in the past 72 hours is €259. The best return flight deal from London to Southeast Asia found on momondo in the last 72 hours is €423.
The fastest flight from London to Southeast Asia takes 11h 30m
Direct flights go from London to Southeast Asia every day.
There are 3 airports near Southeast Asia: Bangkok Suvarnabhumi (BKK), 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
Air ChinaPriceFrom €477Free CancellationRating
7.2
87 reviews
Search Air China 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.


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