Flights from Colombo to London Heathrow

Our cheapest offers for flights from Colombo to London Heathrow

Here you can compare cheap flights from Colombo (CMB) to London Heathrow (LHR) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to London Heathrow. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Colombo
London Heathrow
Outbound
25/02/26
2 Stopovers (SHJ, IST)
G90503, G90321, BA0679
20h 45min
Return
-
Air Arabia, British Airways
£290
Colombo
London Heathrow
Outbound
31/01/26
1 Stopover (AUH)
EY0393, EY0061
26h 20min
Return
03/02/26
1 Stopover (AUH)
EY0062, EY0396
30h 00min
Etihad Airways
£515
Colombo
London Heathrow
Outbound
22/12/25
1 Stopover (BOM)
AI6223, AI0129
23h 30min
Return
10/01/26
1 Stopover (BOM)
AI0128, AI6222
34h 35min
Air India
£522
Best option
Colombo
London Heathrow
Outbound
20/03/26
1 Stopover (BOM)
AI6221, AI0129
16h 55min
Return
17/04/26
1 Stopover (BOM)
AI0128, AI6222
12h 40min
Air India
£593
Colombo
London Heathrow
Outbound
22/12/25
1 Stopover (BOM)
AI6223, AI0131
31h 20min
Return
10/01/26
1 Stopover (BOM)
AI0128, AI6224
28h 15min
Air India
£547
Colombo
London Heathrow
Outbound
31/01/26
1 Stopover (AUH)
EY0393, EY0061
26h 20min
Return
03/02/26
1 Stopover (AUH)
EY0066, EY0396
19h 30min
Etihad Airways ?
£560
Colombo
London Heathrow
Outbound
22/12/25
1 Stopover (BOM)
AI6223, AI0129
23h 30min
Return
10/01/26
1 Stopover (BOM)
AI0128, AI2276
20h 00min
Air India
£563
Colombo
London Heathrow
Outbound
31/01/26
1 Stopover (AUH)
EY0393, EY0061
26h 20min
Return
03/02/26
1 Stopover (AUH)
EY0066, EY0396
19h 30min
Etihad Airways ?
£565
Colombo
London Heathrow
Outbound
22/12/25
1 Stopover (BOM)
AI6223, AI0129
23h 30min
Return
10/01/26
1 Stopover (BOM)
AI0128, AI6222
34h 35min
Air India
£574
Colombo
London Heathrow
Outbound
31/01/26
1 Stopover (DEL)
AI0278, AI2015
32h 55min
Return
03/02/26
1 Stopover (DEL)
AI0162, AI0277
17h 05min
Air India
£598
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Colombo to London Heathrow

Favourite airline: China Eastern
Flight tickets on the route Colombo – London Heathrow are most frequently booked with China Eastern.
China Eastern
30 %
Air India
26 %
Vistara
17 %
Favourite connection: via Shanghai Pudong
Stopover flights on this route are especially popular via Shanghai Pudong, making up 58 % of bookings.
Route
bookings
1 stopover Shanghai Pudong
26h 40min, from 695 GBP
58 %
2 stopovers Mumbai (Bombay) Zurich (Zürich)-Kloten
28h 50min, from 872 GBP
33 %
1 stopover Mumbai (Bombay)
32h 30min, from 749 GBP
8 %

Important flight information

Flight information: Colombo - London Heathrow

Cheapest outbound flight from 289,30 GBP
Outbound and return from 514,70 GBP
Flight duration min. 11:50
Return flight duration min. 10:30
Distance 8725 km
Flights per week 10
Departure airport Airport Colombo (CMB)
Departure country Flights from Sri Lanka
Arrival airport Airport London Heathrow (LHR)
Destination country Flights to United Kingdom
Alternative routes to United Kingdom
Popular destinations for onward travel