Boston (BOS) to Reykjavik (Keflavik) (KEF) cheap flight deal from $379 USD in economy class

FIIcelandair

Round Trip•Economy

BOS

Logan International Airport

Boston, United States

KEF

Keflavík International Airport

Reykjavik (Keflavik), Iceland

$478 USD

-21%$379 USD

Verified Sep 22, 2025 at 3:33 PM

October 2025

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29$379 30$379 1$484 2$484 3$532 4$379 5$379 6$379 7$379 8$484 9$939 10$939 11$504 12$379 13$379 14$379 15$379 16$379 17$379 18$379 19$379 20$379 21$379 22$379 23$379 24$379 25$379 26$379 27$379 28$379 29$389 30$379 31$379 1 2

Limited Availability

19% of dates checked are available within 10% of the lowest price

Sunday, October 5th, 2025

10 round-trip options

Returning

Fri, Oct 10, 2025•5 Day Trip

$379 USD

Google Flights

Returning

Sat, Oct 11, 2025•6 Day Trip

$409 USD

Google Flights

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Sun, Oct 12, 2025•7 Day Trip

$379 USD

Google Flights

Returning

Mon, Oct 13, 2025•8 Day Trip

$839 USD

Google Flights

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Tue, Oct 14, 2025•9 Day Trip

$504 USD

Google Flights

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Wed, Oct 15, 2025•10 Day Trip

$379 USD

Google Flights

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Thu, Oct 16, 2025•11 Day Trip

$379 USD

Google Flights

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Fri, Oct 17, 2025•12 Day Trip

$379 USD

Google Flights

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Sat, Oct 18, 2025•13 Day Trip

$469 USD

Google Flights

Returning

Sun, Oct 19, 2025•14 Day Trip

$399 USD

Google Flights