Flights from Delhi to London Heathrow

Our cheapest offers for flights from Delhi to London Heathrow

Here you can compare cheap flights from Delhi (DEL) 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
Delhi
London Heathrow
Outbound
16/07/25
1 Stopover (HEL)
AY0122, AY1335
36h 00min
Return
02/08/25
1 Stopover (HEL)
AY1338, AY0121
30h 40min
Finnair
£420
Best option
Delhi
London Heathrow
Outbound
12/05/25
direct
BA0142
09h 35min
Return
08/06/25
direct
BA0257
08h 40min
British Airways
£779
Delhi
London Heathrow
Outbound
12/05/25
1 Stopover (WAW)
LO0072, LO0281
30h 00min
Return
08/06/25
1 Stopover (WAW)
LO0286, LO0071
16h 00min
Polskie Linie Lotnicze LOT
£485
Delhi
London Heathrow
Outbound
16/07/25
1 Stopover (HEL)
AY0122, AY1335
36h 00min
Return
02/08/25
1 Stopover (HEL)
AY1338, AY0121
30h 40min
Finnair
£421
Delhi
London Heathrow
Outbound
16/07/25
1 Stopover (HEL)
AY0122, AY1335
36h 00min
Return
02/08/25
1 Stopover (HEL)
AY1338, AY0121
30h 40min
Finnair
£444
Delhi
London Heathrow
Outbound
09/06/25
1 Stopover (HEL)
AY0122, AY1335
36h 00min
Return
04/07/25
1 Stopover (HEL)
AY1344, AY0121
11h 50min
Finnair
£471
Delhi
London Heathrow
Outbound
12/05/25
1 Stopover (WAW)
LO0072, LO0285
18h 40min
Return
08/06/25
1 Stopover (WAW)
LO0286, LO0071
16h 00min
Polskie Linie Lotnicze LOT
£487
Delhi
London Heathrow
Outbound
12/05/25
1 Stopover (WAW)
LO0072, LO0285
18h 40min
Return
08/06/25
1 Stopover (WAW)
LO0286, LO0071
16h 00min
Polskie Linie Lotnicze LOT
£488
Delhi
London Heathrow
Outbound
12/05/25
1 Stopover (WAW)
LO0072, LO0279
14h 00min
Return
08/06/25
1 Stopover (WAW)
LO0282, LO0071
12h 15min
Polskie Linie Lotnicze LOT
£510
Delhi
London Heathrow
Outbound
12/05/25
1 Stopover (WAW)
LO0072, LO0279
14h 00min
Return
08/06/25
1 Stopover (WAW)
LO0286, LO0071
16h 00min
Polskie Linie Lotnicze LOT
£515
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Delhi to London Heathrow

Favourite airline: Swiss
Flight tickets on the route Delhi – London Heathrow are most frequently booked with Swiss.
Swiss
44 %
Air Astana
28 %
Finnair
6 %
Favourite connection: via Zurich
When booking flights from Delhi to London Heathrow 57 % of travellers prefer to fly via Zurich.
Route
bookings
1 stopover Zurich (Zürich)-Kloten
21h 35min, from £547
57 %
1 stopover Almaty
30h 35min, from £591
36 %
1 stopover Helsinki-Vantaa
36h 55min, from £611
7 %

Important flight information

Flight information: Delhi - London Heathrow

Outbound and return from £419.29
Flight duration min. 09:25 / max. 09:45
Return flight duration min. 08:10/ max. 08:45
Distance 6739 km
Flights per week 48
Departure airport Airport Delhi Indira Gandhi (DEL)
Departure country Flights from India
Arrival airport Airport London Heathrow (LHR)
Destination country Flights to United Kingdom
Alternative routes to United Kingdom
Alternative flights to London Heathrow
Popular destinations for onward travel
Flight destinations with a similar price