Cheapest return flights from London to Keflavik in July from 433€

Best time to book flights for London (LCY) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from London (LCY) to Keflavik (KEF) in July 2025 (see full year).

Return flights

04 Jul - 15 Jul SWISS
30 Jul - 01 Aug SWISS
30 Jul - 14 Aug SWISS
04 Jul - 08 Jul SWISS
30 Jul - 02 Aug SWISS
01 Jul - 11 Jul KLM
17 Jul - 25 Jul SWISS
02 Jul - 16 Jul KLM
30 Jul - 03 Aug SWISS
27 Jul - 19 Aug Lufthansa
02 Jul - 13 Jul KLM
01 Jul - 04 Jul KLM
09 Jul - 17 Jul Lufthansa
27 Jul - 10 Aug Lufthansa
09 Jul - 20 Jul KLM
04 Jul - 09 Jul British Airways
29 Jul - 07 Aug KLM
25 Jul - 01 Aug British Airways
27 Jul - 12 Aug Lufthansa
27 Jul - 11 Aug KLM

Also check the deals for one-way flights from London to Keflavik in July.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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