Cheap flights from London to Southeast Asia

London (LHR) serves 25 destinations in Southeast Asia. Recent fares have started from €322 to Chiang Mai. Open the interactive map to see all Southeast Asian routes plotted visually, or browse the price table below.

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About this region

Best for: beachesfoodbudget travelculture
Typical trip: 10-21 days
Typical value months(EU departures): MaySeptemberOctober

Trip lengths and value months reflect typical patterns for EU-origin departures - individual routes vary.

Popular destinations in Southeast Asia from London

The most popular destinations in Southeast Asia from London include Chiang Mai, Bangkok, Phuket, Ho Chi Minh City and Hanoi. Prices vary by season, airline, and how far in advance you book. The table below lists all available routes sorted by current fare.

Cheapest destinations from London

Fly from London to a specific country in Southeast Asia

Flights to Southeast Asia from nearby airports

Dublin to Southeast Asia

Other regions from London

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Frequently asked questions

How many destinations in Southeast Asia can I fly to from London?

SkyHopp currently tracks 25 destinations in Southeast Asia from London (LHR). Prices are refreshed regularly as our flight partners publish new fares. The full list is in the price table above, sorted by cheapest current fare.

What is the cheapest flight from London to Southeast Asia?

Recent fares from London to Southeast Asia have started from €322 to Chiang Mai. Prices change frequently — check the table above for the latest available fares. Booking 4-8 weeks in advance and travelling mid-week typically unlocks the lowest prices on long-haul routes.

Which cities in Southeast Asia are cheapest to fly to from London?

The price table above shows all destinations sorted cheapest first. Prices shift daily, but the top destinations by fare from London have recently included Chiang Mai. Clicking through to a destination page shows a 12-month price calendar so you can identify the cheapest month to fly.

When is the best time to fly from London to Southeast Asia?

Shoulder-season months and mid-week departures typically offer the lowest fares on routes from London. For Southeast Asia, the best value windows vary by destination — check the individual route pages for month-by-month price calendars. Booking further in advance is particularly important on long-haul routes, where last-minute fares tend to be significantly higher.