Reykjavik (Keflavik) (KEF) to Chicago (ORD) flight deal from $559 USD in economy class – flightdeals.net

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Icelandair

Round Trip•Economy

Keflavík International Airport

Reykjavik (Keflavik), Iceland

O'Hare International Airport

Chicago, United States

$689 USD

-19%$559 USD

Verified Nov 17, 2025 at 6:35 AM

December 2025

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Sun

1 2$957 3$711 4$589 5$605 6$621 7$660 8$605 9$605 10$605 11$589 12$605 13$758 14$758 15$621 16$579 17$589 18$605 19$605 20$579 21$605 22$605 23$605 24$589 25$579 26$595 27$570 28$570 29$570 30$803 31$748 1 2 3 4

Great Availability

63% of dates checked are available within 10% of the lowest price

Monday, December 1st, 2025

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