The Sigiriya rock fortress rising above the forest in Sri Lanka

Cheap flights from London Heathrow to Sri Lanka

Return fares from £501 in the next 12 months. Pick a day in the calendar to see the fare.

Cheapest return: £501
Typical return: £584.50
Cheapest one way: –
Cheapest month: April

Price calendar

Cheapest return fare by departure day, 5–30 nights, direct or with one stop. Green days are the cheapest of the month.

Cheapest return fare per departure day, November 2026
Mon	Tue	Wed	Thu	Fri	Sat	Sun
						1
2	3–	4–	5–	6–	7–	8–
9£586 return, back 24 Nov	10–	11–	12–	13–	14–	15–
16–	17–	18–	19–	20–	21–	22–
23–	24–	25–	26–	27–	28–	29–
30–

Cheapest dates

Tue 6 Apr – Mon 26 Apr · 20 nights
GF · 1 stop
£501Check price ↗
Wed 3 Mar – Sun 14 Mar · 11 nights
EY · 1 stop
£552Check price ↗
Wed 13 Jan – Thu 21 Jan · 8 nights
EY · 1 stop
£572Check price ↗
Mon 11 Jan – Fri 29 Jan · 18 nights
EY · 1 stop
£577Check price ↗
Tue 2 Mar – Sun 14 Mar · 12 nights
GF · 1 stop
£583Check price ↗
Mon 9 Nov – Tue 24 Nov · 15 nights
GF · 1 stop
£586Check price ↗
Fri 22 Jan – Sat 6 Feb · 15 nights
AI · 1 stop
£616Check price ↗
Sat 13 Mar – Sun 28 Mar · 15 nights
AI · 1 stop
£665Check price ↗

London Heathrow to Sri Lanka: questions

How much is a flight from London Heathrow to Sri Lanka?: In the fares we found for the next 12 months, return flights start at £501 and the median is £584.50 (10 fares, 5–30 nights, 1 adult).
What is the cheapest month to fly from London Heathrow to Sri Lanka?: April 2027, from £501 return, of the months we have fares for.
Are there direct flights from London Heathrow to Sri Lanka?: Not in the fares we found: they all have a stop.
Which airlines fly from London Heathrow to Sri Lanka?: In our fares: GF, EY, AI, WY.

Sri Lanka from other UK airports

From London Gatwickfrom £521

More flights from London Heathrow

Prices are return fares for one adult, found in searches in the last few days and cached; they can change at any time, and the final price and availability are shown when you book. Checked bags are extra unless the airline includes them.