Cheapest one-way flights from Boston (BOS) to Keflavik (KEF), October

10 dates in October, from $ 301. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
18 Oct jetBlue
23 Oct Icelandair
Direct Flight
12 Oct Icelandair
Direct Flight
18 Oct Icelandair
Direct Flight
13 Oct Icelandair
Direct Flight
17 Oct Icelandair
Direct Flight
14 Oct Icelandair
Direct Flight
15 Oct Air France
16 Oct Air Canada
16 Oct Icelandair
Direct Flight
Powered by

Cheapest deals for the full year

Deals for return flights from Boston to Keflavik in October.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik International Airport

Updated Oct 11, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

Feel free to contact us with any feedback or request another flight research.