Cheapest return flights from Jacksonville to Keflavik in March from $954

Best time to book flights for Jacksonville (JAX) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Jacksonville (JAX) to Keflavik (KEF) in March 2025 (see full year).

Return flights

31 Mar - 04 Apr jetBlue

Also check the deals for one-way flights from Jacksonville to Keflavik in March.

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