Cheap Flights from London Heathrow Airport to Southeast from £386 Return

Flight deals from London Heathrow Airport to Southeast

Looking for cheap tickets from London Heathrow Airport to Southeast, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Ho Chi Minh City.£386 per passenger.Departing Thu, 12 Mar, returning Thu, 2 Apr.Return flight with China Eastern.Outbound indirect flight with China Eastern, departs from London Heathrow on Thu, 12 Mar, arriving in Ho Chi Minh City.Inbound indirect flight with China Eastern, departs from Ho Chi Minh City on Thu, 2 Apr, arriving in London Heathrow.Price includes taxes and charges.From £386, select.

Con Dao.£639 per passenger.Departing Mon, 2 Mar, returning Mon, 9 Mar.Return flight with Shenzhen Airlines and Vietnam Airlines.Outbound indirect flight with Shenzhen Airlines, departs from London Heathrow on Mon, 2 Mar, arriving in Con Dao.Inbound indirect flight with Vietnam Airlines, departs from Con Dao on Mon, 9 Mar, arriving in London Heathrow.Price includes taxes and charges.From £639, select.

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Flying from London Heathrow Airport to Southeast

Arm yourself with these facts on the fly.

Cheapest flight found	£386
Cheapest month to fly	March
Average flight time	12 hrs, 20 mins
Average flights per week	4
Most popular airline	Air Cambodia

How to find cheap flights from London Heathrow Airport to Southeast

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from London Heathrow Airport to Southeast. Other savvy travellers recently found return flights from £386 and one-way tickets from £268. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in March

The cheapest time to fly from London Heathrow Airport to Southeast is currently March.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from London Heathrow Airport to anywhere you choose in Southeast.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from London Heathrow Airport to your chosen airport in Southeast go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Southeast Airport to Southeast flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from London Heathrow Airport to Southeast?

Yes - direct flights currently operate from London Heathrow Airport to Ho Chi Minh City Airport in Southeast.

What is the average price of a flight from London Heathrow Airport to Southeast?

We looked at all of the upcoming return flights from London Heathrow Airport to Southeast we could find over the next 12 months. It looks like £386 is the best price. This is good, compared to the average Southeast ticket price of £513.

What is the cheapest month to fly from London Heathrow Airport to Southeast?

The cheapest month to fly from London Heathrow Airport to Ho Chi Minh City Airport is currently March.
The cheapest month to fly from London Heathrow Airport to Con Dao Airport is usually March.

Which upcoming date is cheapest to fly from London Heathrow Airport to Southeast on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London Heathrow Airport to Southeast on Thursday, 12 March 2026.

If I'm flying from London Heathrow Airport, where in Southeast is cheapest to fly into?

If you're flying from London Heathrow, the cheapest city in Southeast to fly into is Ho Chi Minh City. The cheapest airport serving Ho Chi Minh City at the moment is Ho Chi Minh City.