AirHint found the following cheapest return flights from Chicago (ORD) to Keflavik (KEF)
in July 2025 (see full year ).
Return flights
04 Jul
- 15 Jul
United
609 €
14 Jul
- 22 Jul
Air France
610 €
28 Jul
- 05 Aug
United
614 €
31 Jul
- 07 Aug
Icelandair
617 €
direct
14 Jul
- 20 Jul
Air France
618 €
24 Jul
- 04 Aug
jetBlue
631 €
12 Jul
- 23 Jul
jetBlue
648 €
15 Jul
- 26 Jul
jetBlue
650 €
30 Jul
- 10 Aug
Icelandair
653 €
direct
28 Jul
- 08 Aug
Icelandair
653 €
direct
28 Jul
- 05 Aug
Icelandair
653 €
direct
02 Jul
- 12 Jul
jetBlue
655 €
08 Jul
- 13 Jul
Icelandair
656 €
direct
09 Jul
- 17 Jul
Icelandair
657 €
direct
14 Jul
- 20 Jul
Icelandair
657 €
direct
04 Jul
- 15 Jul
Icelandair
662 €
direct
23 Jul
- 03 Aug
Icelandair
662 €
direct
24 Jul
- 04 Aug
Icelandair
662 €
direct
26 Jul
- 06 Aug
Icelandair
662 €
direct
21 Jul
- 01 Aug
Icelandair
662 €
direct
Also check the deals for one-way flights from Chicago to Keflavik in July .
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.