Cheapest return flights from Burlington to Keflavik in September from $603

Best time to book flights for Burlington (BTV) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Burlington (BTV) to Keflavik (KEF) in September 2025 (see full year).

Return flights

08 Sep - 23 Sep United

Also check the deals for one-way flights from Burlington 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.

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