AirHint found the following cheapest return flights from Prague (PRG) to Keflavik (KEF) in January 2026 (see full year).

Return flights

30 Jan - 07 Feb	easyJet
12 Jan - 15 Jan	Wizz Air UK
19 Jan - 25 Jan	easyJet
26 Jan - 31 Jan	easyJet
12 Jan - 18 Jan	easyJet
16 Jan - 22 Jan	easyJet
10 Jan - 15 Jan	Wizz Air UK
21 Jan - 30 Jan	Wizz Air UK
21 Jan - 25 Jan	Wizz Air UK
10 Jan - 17 Jan	SWISS
20 Jan - 25 Jan	Transavia France
28 Jan - 04 Feb	Wizz Air UK
31 Jan - 05 Feb	Wizz Air UK
31 Jan - 04 Feb	Wizz Air UK
31 Jan - 08 Feb	Wizz Air UK
30 Jan - 01 Feb	easyJet
30 Jan - 09 Feb	easyJet
29 Jan - 03 Feb	LOT
30 Jan - 02 Feb	Ryanair
31 Jan - 03 Feb	LOT

Also check the deals for one-way flights from Prague to Keflavik in January.

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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Cheapest return flights from Prague to Keflavik in January from 125€

Return flights