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Discover lush tea plantations, golden beaches, and ancient temples with cheap flights to Sri Lanka, featuring dependable connections from London to Sri Lanka starting at only £390. Seven Zones Travel makes booking effortless by comparing top international carriers operating out of major British hubs. Secure your Colombo airfares early to guarantee optimal rates for your upcoming trip.
Flights from
£549
iDiscover the best prices by selecting your travel dates.

British Airways
BA 2045
→ Outbound · 26 Oct
LGW
London Gatwick
CMB
Sri Lanka
4:40 PM
26 Oct
10h 25m
Direct
8:35 AM
27 Oct
← Return · 5 Nov
CMB
Colombo
LGW
London Gatwick
11:00 AM
5 Nov
11h 30m
Direct
5:00 PM
5 Nov
from
£504
Return · per adult

Gulf Air
GF 6
→ Outbound · 18 Jan
LHR
London Heathrow
CMB
Sri Lanka
9:40 PM
18 Jan
30h 35m
9:45 AM
20 Jan
← Return · 28 Jan
CMB
Colombo
LHR
London Heathrow
5:00 PM
28 Jan
27h 15m
2:45 PM
29 Jan
from
£587
Return · per adult

Etihad
EY 66
→ Outbound · 7 Dec
LHR
London Heathrow
CMB
Sri Lanka
7:20 PM
7 Dec
19h 25m
8:15 PM
8 Dec
← Return · 17 Dec
CMB
Colombo
LHR
London Heathrow
4:00 AM
17 Dec
16h 00m
2:30 PM
17 Dec
from
£631
Return · per adult

Air India
AI 162
→ Outbound · 1 Mar
LHR
London Heathrow
CMB
Sri Lanka
8:45 AM
1 Mar
25h 50m
4:05 PM
2 Mar
← Return · 11 Mar
CMB
Colombo
LHR
London Heathrow
5:10 AM
11 Mar
19h 40m
7:20 PM
11 Mar
from
£633
Return · per adult

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Sri Lanka packs astonishing variety into one tropical island — golden beaches, misty tea plantations, ancient temples, wildlife safaris and warm hospitality. Popular with UK holidaymakers and those visiting family alike, it's an easy country to fall for. Comparing every fare in one place makes finding the right flight quick and simple.
Sri Lanka has two monsoons, so the best weather depends on where you're heading: the west and south coasts and the hill country are driest from December to March, while the east coast is best from May to September. This means there's good weather somewhere most of the year. Fares peak around Christmas and New Year, so travelling either side helps. Check the price charts on this page for the cheapest dates.
The main gateway is Colombo Bandaranaike International Airport (CMB), near the capital, with Mattala (HRI) in the south occasionally used.
SriLankan Airlines flies direct from London to Colombo in around 11 hours. For connecting options — often better value — Emirates, Qatar Airways, Etihad Airways and Turkish Airlines all serve Colombo via their hubs. Comparing carriers for your exact dates is the surest way to secure the lowest fare.
Your allowance to Sri Lanka depends on the airline and the fare you book. The table below shows typical long-haul allowances so you know roughly what to expect — always confirm the exact limits with your airline before you fly.
| Fare type | Hand baggage | Checked baggage |
|---|---|---|
| Basic / Light economy | 1 small under-seat bag | Usually none — add for a fee |
| Standard economy | 1 cabin bag + 1 personal item | Typically 1 × 23 kg |
| Premium economy | 1–2 cabin bags + personal item | Typically 2 × 23 kg |
| Business / First | 2 cabin bags + personal item | Typically 2 × 32 kg |
Indicative only. Allowances vary by airline, route and fare — always check your airline's baggage policy.