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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
£479
iDiscover the best prices by selecting your travel dates.

Etihad
EY 68
→ Outbound · 19 Jan
LHR
London Heathrow
CMB
Sri Lanka
8:55 PM
19 Jan
17h 50m
8:15 PM
20 Jan
← Return · 29 Jan
CMB
Colombo
LHR
London Heathrow
4:00 AM
29 Jan
13h 35m
12:05 PM
29 Jan
from
£573
Return · per adult

Qatar Airways
QR 330
→ Outbound · 13 Apr
LGW
London Gatwick
CMB
Sri Lanka
9:00 AM
13 Apr
13h 35m
3:05 AM
14 Apr
← Return · 23 Apr
CMB
Colombo
LGW
London Gatwick
4:35 AM
23 Apr
13h 20m
1:25 PM
23 Apr
from
£599
Return · per adult

Air India
AI 2016
→ Outbound · 2 Mar
LHR
London Heathrow
CMB
Sri Lanka
10:00 PM
2 Mar
24h 40m
4:10 AM
4 Mar
← Return · 12 Mar
CMB
Colombo
LHR
London Heathrow
5:10 AM
12 Mar
20h 50m
8:30 PM
12 Mar
from
£603
Return · per adult

British Airways
BA 2291
→ Outbound · 8 Dec
LHR
London Heathrow
CMB
Sri Lanka
9:25 AM
8 Dec
28h 25m
7:20 PM
9 Dec
← Return · 18 Dec
CMB
Colombo
LHR
London Heathrow
7:30 PM
18 Dec
17h 20m
7:20 AM
19 Dec
from
£622
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.