Question 1

How many flights depart from London Heathrow Airport to Southeast Asia on average per day?

Accepted Answer

37 flights are operational daily from London Heathrow Airport to Southeast Asia as of July 2025. The most popular departure time for this route is 20:00, with 66% of flights per day taking off in the evening.

Question 2

How many flights depart from London Heathrow Airport to Southeast Asia on average per week?

Accepted Answer

As of July 2025, 262 flights take off from London Heathrow Airport and land in Southeast Asia each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.

Question 3

What is the cheapest airline that flies from London Heathrow to Southeast Asia?

Accepted Answer

Shenzhen Airlines, SWISS, and Lufthansa are the most popular carriers operating from London Heathrow to Southeast Asia

Question 4

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

Accepted Answer

The cheapest day to depart from London Heathrow Airport to Southeast Asia is on a Thursday. Travellers who choose to depart for Southeast Asia on a Thursday will often find tickets for as low as ₹ 84,279. The most expensive day to fly to Southeast Asia is Wednesday, with ticket prices averaging around ₹ 129,881.

Question 5

What is the cheapest month to fly to Southeast Asia?

Accepted Answer

In general, May is the cheapest month to fly from London Heathrow Airport to Southeast Asia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 72,217. If you aren’t able to travel during the month of May, then book flights to Southeast Asia from London Heathrow Airport during June instead. Flights to Southeast Asia in June, while not as cheap as those in May, still average around ₹ 72,742.

Question 6

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

Accepted Answer

According to our data, the cheapest time of day to fly to Southeast Asia is in the afternoon. momondo users have found flights departing from London Heathrow Airport to Southeast Asia in the afternoon for as low as ₹ 69,550. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are ₹ 113,289 on average. Flights to Southeast Asia from London Heathrow Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 7

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

Accepted Answer

There are 3 cabin classes available to choose from on London Heathrow to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 8

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

Accepted Answer

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Southeast Asia.

Question 9

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

Accepted Answer

You are more likely to see cheaper flights to Southeast Asia from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around ₹ 82,585 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from London Heathrow Airport for as low as ₹ 76,239 on momondo.

Question 10

What is the cheapest London Heathrow to Southeast Asia flight route?

Accepted Answer

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

Question 11

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

Accepted Answer

Prices for flights from London Heathrow Airport to Southeast Asia are refreshed on a daily basis.

Question 12

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

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Southeast Asia.

Question 13

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

Accepted Answer

The travel and health documents required for your trip to Southeast Asia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southeast Asia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best price found	₹ 31,650
Fastest flight time	13h 05m
Direct flights	Every day
Airports in Southeast Asia	1 airport

Airline	Rating	Free Cancellation	Price
Etihad Airways	PriceFrom ₹ 64,721	Free Cancellation	Rating 7.4 1,230 reviews		Search Etihad Airways flights
EVA Air	PriceFrom ₹ 74,783	Free Cancellation	Rating 8.4 1,220 reviews		Search EVA Air flights

Cheap flights from London Heathrow Airport to Southeast Asia from ₹ 31,650

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Lufthansa flights from London Heathrow Airport to Southeast Asia

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Oman Air flights from London Heathrow Airport to Southeast Asia

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How to get the cheapest flight ticket from London Heathrow Airport 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?

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

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

What is the cheapest London Heathrow to Southeast Asia flight route?

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

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

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

There are 3 cabin classes available to choose from on London Heathrow 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 Heathrow Airport to Southeast Asia flights?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Southeast Asia.

What is the cheapest airline that flies from London Heathrow to Southeast Asia?

Shenzhen Airlines, SWISS, and Lufthansa are the most popular carriers operating from London Heathrow to Southeast Asia

How many flights depart from London Heathrow Airport to Southeast Asia on average per day?

37 flights are operational daily from London Heathrow Airport to Southeast Asia as of July 2025. The most popular departure time for this route is 20:00, with 66% of flights per day taking off in the evening.

How many flights depart from London Heathrow Airport to Southeast Asia on average per week?

As of July 2025, 262 flights take off from London Heathrow Airport and land in Southeast Asia each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.

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

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

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

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