Cheapest one-way flights from Riga to Keflavik in September from $127

Best time to book flights for Riga (RIX) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest one-way flights from Riga (RIX) to Keflavik (KEF) in September 2025 (see full year).

One-Way flights

03 Sep Ryanair
05 Sep airBaltic direct
03 Sep airBaltic direct
18 Sep Finnair

Also check the deals for return flights from Riga to Keflavik in September.

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik