$347+ Cheap flights from Keflavik Intl (KEF) to Illinois
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — ORD
Mar 15 — Mar 221
1 adult, Economy
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Cheapest flights from Keflavik Intl to IllinoisExplore the most affordable flight options available from Keflavik Intl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
Explore the most affordable flight options available from Keflavik Intl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
This Ticket deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/24:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Wed 4/87:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Deal found 2/11![Icelandair logo]()
$558
This Rumbo deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:45 pm
KEF
- ORD
Nonstop6h 40m
Icelandair
Mon 7/67:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Deal found 2/11![Icelandair logo]()
$583
This Icelandair deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/144:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Fri 7/310:25 pm
ORD
- KEF
Nonstop6h 05m
Icelandair
Deal found 2/11![Icelandair logo]()
$598
This Icelandair deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/137:45 pm
KEF
- ORD
Nonstop6h 40m
Icelandair
Mon 7/67:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Deal found 2/11![Icelandair logo]()
$635
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/184:30 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Mon 2/236:30 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Deal found 2/11![Icelandair logo]()
$654
This Icelandair deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Thu 5/147:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Deal found 2/10![Icelandair logo]()
$663
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/94:30 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Tue 3/177:30 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Deal found 2/11![Icelandair logo]()
$686
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/124:30 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Tue 3/177:30 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Deal found 2/11![Icelandair logo]()
$696
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/184:30 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Sun 3/16:30 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Deal found 2/11![Icelandair logo]()
$712
This lol.travel deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:30 pm
KEF
- ORD
Nonstop6h 50m
Multiple Airlines
Wed 3/1811:00 am
ORD
- KEF
1 stop29h 45m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$728
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/74:30 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Tue 3/177:30 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Deal found 2/11![Icelandair logo]()
$730
This Icelandair deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:00 pm
KEF
- MDW
1 stop19h 45m
Multiple Airlines
Wed 3/183:35 pm
MDW
- KEF
1 stop9h 55m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$831
Best flights from Keflavik Intl to IllinoisDiscover carefully curated flight deals from Keflavik Intl to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
Discover carefully curated flight deals from Keflavik Intl to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
This Icelandair deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:45 pm
KEF
- ORD
Nonstop6h 40m
Icelandair
Thu 7/97:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Deal found 2/11![Icelandair logo]()
$598
This Priceline deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/297:55 pm
KEF
- ORD
1 stop26h 29m
Multiple Airlines
Sun 4/510:25 pm
ORD
- KEF
Nonstop6h 05m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$785
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:20 am
KEF
- ORD
1 stop24h 35m
Lufthansa
Thu 4/1610:30 pm
ORD
- KEF
1 stop20h 00m
Lufthansa
Deal found 2/12![Lufthansa logo]()
$799
This Travelocity deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:00 am
KEF
- STL
2 stops31h 11m
Air Canada
Wed 7/158:55 am
STL
- KEF
1 stop18h 50m
Air Canada
Deal found 2/10![Air Canada logo]()
$831
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:00 pm
KEF
- STL
2 stops15h 37m
United Airlines
Wed 7/151:13 pm
STL
- KEF
2 stops12h 47m
United Airlines
Deal found 2/10![United Airlines logo]()
$839
This Billigflug deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:25 am
KEF
- STL
2 stops14h 49m
Virgin Atlantic
Wed 5/131:50 pm
STL
- KEF
2 stops14h 40m
Virgin Atlantic
Deal found 2/10![Virgin Atlantic logo]()
$841
This KLM deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:25 am
KEF
- MDW
2 stops16h 03m
KLM
Thu 5/141:22 pm
MDW
- KEF
1 stop11h 58m
KLM
Deal found 2/10![KLM logo]()
$857
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:25 am
KEF
- MDW
2 stops16h 03m
Delta
Thu 5/141:22 pm
MDW
- KEF
2 stops15h 08m
Delta
Deal found 2/10![Delta logo]()
$858
This Air France deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/211:25 am
KEF
- MDW
2 stops35h 29m
Air France
Wed 4/86:34 pm
MDW
- KEF
2 stops33h 56m
Air France
Deal found 2/11![Air France logo]()
$953
This Icelandair deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Thu 5/147:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Deal found 2/10![Icelandair logo]()
$663
This Flighttix deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/25:10 pm
KEF
- ORD
1 stop19h 55m
Multiple Airlines
Wed 4/810:00 am
ORD
- KEF
1 stop15h 05m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$795
This Cheapflightsfares deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/64:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Sat 6/610:25 pm
ORD
- KEF
Nonstop6h 05m
Icelandair
Deal found 2/9![Icelandair logo]()
$757
This Mytrip deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:00 pm
KEF
- ORD
1 stop12h 22m
Multiple Airlines
Thu 4/167:06 am
ORD
- KEF
2 stops18h 09m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$808
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/211:25 am
KEF
- MDW
2 stops27h 31m
Delta
Wed 4/86:34 pm
MDW
- KEF
2 stops33h 56m
Delta
Deal found 2/10![Delta logo]()
$896
This Ticket deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/211:25 am
KEF
- MDW
2 stops34h 57m
Virgin Atlantic
Wed 4/89:35 am
MDW
- KEF
2 stops18h 55m
Virgin Atlantic
Deal found 2/11![Virgin Atlantic logo]()
$899
This KLM deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:30 am
KEF
- MDW
1 stop13h 35m
KLM
Sun 7/51:00 pm
MDW
- KEF
1 stop12h 20m
KLM
Deal found 2/11![KLM logo]()
$965
This Icelandair deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/124:30 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Wed 3/1811:00 am
ORD
- KEF
1 stop14h 05m
Icelandair
Deal found 2/11![Icelandair logo]()
$824
This Icelandair deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:00 pm
KEF
- MDW
1 stop19h 45m
Multiple Airlines
Wed 3/183:35 pm
MDW
- KEF
1 stop9h 55m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$831
This KLM deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:50 am
KEF
- MDW
1 stop14h 41m
KLM
Mon 7/69:30 am
MDW
- KEF
1 stop15h 50m
KLM
Deal found 2/11![KLM logo]()
$965
This Icelandair deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:30 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Wed 3/1811:00 am
ORD
- KEF
1 stop14h 05m
Icelandair
Deal found 2/11![Icelandair logo]()
$841
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/84:50 pm
KEF
- STL
1 stop31h 22m
Multiple Airlines
Wed 5/138:13 pm
STL
- KEF
2 stops28h 47m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$850
This Icelandair deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/25:00 pm
KEF
- MDW
1 stop11h 35m
Multiple Airlines
Wed 4/81:00 pm
MDW
- KEF
1 stop12h 25m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$905
This Air France deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:30 am
KEF
- MDW
1 stop13h 35m
Multiple Airlines
Mon 7/69:30 am
MDW
- KEF
1 stop15h 50m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$965
This Air Canada deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:00 am
KEF
- STL
3 stops17h 44m
Multiple Airlines
Wed 7/151:13 pm
STL
- KEF
2 stops13h 42m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,245
Last-minute flights from Keflavik Intl to IllinoisDiscover last-minute flight deals from Keflavik Intl to Illinois. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Keflavik Intl to Illinois. Data last updated February 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/184:30 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Tue 2/246:30 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Deal found 2/11![Icelandair logo]()
$654
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/184:30 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Sun 3/16:30 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Deal found 2/11![Icelandair logo]()
$712
This lol.travel deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/194:30 pm
KEF
- ORD
Nonstop6h 50m
Multiple Airlines
Thu 2/2610:00 am
ORD
- KEF
1 stop14h 05m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$742
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/74:30 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Tue 3/177:30 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Deal found 2/11![Icelandair logo]()
$730
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/94:30 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Tue 3/177:30 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Deal found 2/11![Icelandair logo]()
$686
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/94:30 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Wed 3/187:30 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Deal found 2/11![Icelandair logo]()
$740
This lol.travel deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:30 pm
KEF
- ORD
Nonstop6h 50m
Multiple Airlines
Wed 3/1811:00 am
ORD
- KEF
1 stop29h 45m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$728
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:35 pm
KEF
- ORD
1 stop29h 10m
Scandinavian Airlines
Mon 3/168:20 pm
ORD
- KEF
1 stop33h 25m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$746
This Icelandair deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:00 pm
KEF
- MDW
1 stop19h 45m
Multiple Airlines
Wed 3/183:35 pm
MDW
- KEF
1 stop9h 55m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$831
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/124:30 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Tue 3/177:30 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Deal found 2/11![Icelandair logo]()
$696
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/124:30 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Wed 3/187:30 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Deal found 2/11![Icelandair logo]()
$749
This Icelandair deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/285:00 pm
KEF
- MDW
1 stop11h 00m
Multiple Airlines
Sat 4/46:25 pm
MDW
- KEF
1 stop9h 45m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$989
One-way flights from Keflavik Intl to IllinoisSearch for one-way flight options from Keflavik Intl to Illinois. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
Search for one-way flight options from Keflavik Intl to Illinois. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:00 am
KEF
- ORD
1 stop12h 40m
WestJet
Deal found 2/10![WestJet logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:00 am
KEF
- ORD
3 stops34h 15m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$436
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:15 am
KEF
- ORD
3 stops35h 35m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$445
This Flightnetwork deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/264:30 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Deal found 2/10![Icelandair logo]()
$458
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/194:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Deal found 2/10![Icelandair logo]()
$464
This Cheapflightsfares deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/114:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Deal found 2/11![Icelandair logo]()
$472
This Cheapflightsfares deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Deal found 2/10![Icelandair logo]()
$473
This Cheapflightsfares deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/244:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Deal found 2/12![Icelandair logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/810:05 am
KEF
- ORD
2 stops42h 33m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$479
This Trip.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/75:00 pm
KEF
- ORD
1 stop13h 40m
Multiple Airlines
Deal found 2/13![Multiple Airlines logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:15 am
KEF
- MDW
3 stops54h 45m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$498
This Trip.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:00 pm
KEF
- ORD
1 stop12h 22m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$500
Find flight deals from Keflavik Intl to Illinois
Keep the following information in mind while searching for Keflavik Intl to Illinois flight deals. Data was last updated February 13, 2026.
Round-trip from | $558 (Ticket) |
|---|---|
One-way from | $347 (Kiwi.com) |
Good one-way deal | $453 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Keflavik Intl to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Illinois that are best for you.
Fly from
Keflavik Intl
Fly to
Illinois
Route
Depart
Return
Price
ReykjavikChicago
KEF - ORD
KEFORD
Reykjavik Keflavik Intl
Wed 6/17
7:45 pm-9:25 pm
Nonstop6h 40m
Chicago O'Hare Intl
Thu 7/9
7:25 pm-6:40 am
Nonstop6h 15m
$598
ReykjavikChicago
KEF - ORD
KEFORD
Reykjavik Keflavik Intl
Thu 4/30
4:25 pm-6:15 pm
Nonstop6h 50m
Chicago O'Hare Intl
Thu 5/14
7:25 pm-6:40 am
Nonstop6h 15m
$663
ReykjavikChicago
KEF - ORD
KEFORD
Reykjavik Keflavik Intl
Sat 6/6
4:25 pm-6:15 pm
Nonstop6h 50m
Chicago O'Hare Intl
Sat 6/6
10:25 pm-9:30 am
Nonstop6h 05m
$757
ReykjavikChicago
KEF - ORD
KEFORD
Reykjavik Keflavik Intl
Sun 3/29
7:55 pm-5:24 pm
1 stop26h 29m
Chicago O'Hare Intl
Sun 4/5
10:25 pm-9:30 am
Nonstop6h 05m
$785
ReykjavikChicago
KEF - ORD
KEFORD
Reykjavik Keflavik Intl
Thu 4/2
5:10 pm-8:05 am
1 stop19h 55m
Chicago O'Hare Intl
Wed 4/8
10:00 am-6:05 am
1 stop15h 05m
$795
ReykjavikChicago
KEF - ORD
KEFORD
Reykjavik Keflavik Intl
Wed 4/8
12:20 am-7:55 pm
1 stop24h 35m
Chicago O'Hare Intl
Thu 4/16
10:30 pm-11:30 pm
1 stop20h 00m
$799
ReykjavikChicago
KEF - ORD
KEFORD
Reykjavik Keflavik Intl
Thu 4/9
5:00 pm-12:22 am
1 stop12h 22m
Chicago O'Hare Intl
Thu 4/16
7:06 am-6:15 am
2 stops18h 09m
$808
ReykjavikChicago
KEF - ORD
KEFORD
Reykjavik Keflavik Intl
Thu 3/12
4:30 pm-6:20 pm
Nonstop6h 50m
Chicago O'Hare Intl
Wed 3/18
11:00 am-6:05 am
1 stop14h 05m
$824
ReykjavikSt. Louis
KEF - STL
KEFSTL
Reykjavik Keflavik Intl
Wed 7/1
10:00 am-12:11 pm
2 stops31h 11m
Lambert-St Louis
Wed 7/15
8:55 am-8:45 am
1 stop18h 50m
$831
ReykjavikChicago
KEF - MDW
KEFMDW
Reykjavik Keflavik Intl
Tue 3/10
5:00 pm-7:45 am
1 stop19h 45m
Chicago Midway
Wed 3/18
3:35 pm-6:30 am
1 stop9h 55m
$831
Showing 1-10 of 46 results
Best time to book a flight from Keflavik Intl to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Keflavik Intl with our price prediction graph.
KEF-ORD
KEF-MDW
KEF-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Reykjavik Keflavik Intl Airport to Illinois
KEF-USIL
KEF-ORD
KEF-MDW
KEF-STL
What is the cheapest time of day to fly from KEF to IL?
Find hourly flight availability from Keflavik Intl to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 13, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Reykjavik Keflavik Intl Airport to Illinois as you normally would.
Related info for your journey
Find useful and relevant information for your journey from Keflavik Intl to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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