$342+ Cheap flights from O'Hare Intl (ORD) to Keflavik Intl (KEF)
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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KEF
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl to Keflavik Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Chicago O'Hare Intl to Reykjavik Keflavik Intl are usually found in April or January, booked 40 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday
Cheap flight deals from O'Hare Intl to Keflavik Intl
Cheapest
Best
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Cheapest flights from O'Hare Intl to Keflavik IntlExplore the most affordable flight options available from O'Hare Intl to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
Explore the most affordable flight options available from O'Hare Intl to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
This oojo deal was found by Cheapflights users on 6/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:56 am
ORD
- KEF
1 stop14h 09m
Icelandair
Wed 9/97:45 pm
KEF
- ORD
Nonstop6h 40m
Icelandair
Deal found 6/7![Icelandair logo]()
$691
This Icelandair deal was found by Cheapflights users on 6/7. 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 9/17:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Sun 9/64:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Deal found 6/7![Icelandair logo]()
$694
This oojo deal was found by Cheapflights users on 6/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:56 am
ORD
- KEF
1 stop16h 14m
Icelandair
Wed 9/27:55 pm
KEF
- ORD
1 stop19h 11m
Icelandair
Deal found 6/7![Icelandair logo]()
$695
This oojo deal was found by Cheapflights users on 6/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:56 am
ORD
- KEF
1 stop16h 14m
Icelandair
Tue 9/17:55 pm
KEF
- ORD
1 stop19h 11m
Icelandair
Deal found 6/7![Icelandair logo]()
$696
This Cheapflightsfares deal was found by Cheapflights users on 6/6. 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.
Wed 9/210:25 pm
ORD
- KEF
Nonstop6h 05m
Icelandair
Sun 9/64:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Deal found 6/6![Icelandair logo]()
$698
This Cheapflightsfares deal was found by Cheapflights users on 6/6. 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 10/87:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Mon 10/124:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Deal found 6/6![Icelandair logo]()
$699
This Icelandair deal was found by Cheapflights users on 6/5. 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.
Mon 9/217:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Sun 10/117:45 pm
KEF
- ORD
Nonstop6h 40m
Icelandair
Deal found 6/5![Icelandair logo]()
$701
This Gotogate deal was found by Cheapflights users on 6/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/267:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Mon 8/34:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Deal found 6/8![Icelandair logo]()
$702
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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.
Fri 9/1810:25 pm
ORD
- KEF
Nonstop6h 05m
Icelandair
Mon 9/284:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Deal found 6/8![Icelandair logo]()
$703
This FlightHub deal was found by Cheapflights users on 6/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:56 am
ORD
- KEF
1 stop14h 09m
Icelandair
Tue 9/87:45 pm
KEF
- ORD
Nonstop6h 40m
Icelandair
Deal found 6/6![Icelandair logo]()
$704
This Cheapflightsfares deal was found by Cheapflights users on 6/6. 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.
Mon 9/142:15 pm
ORD
- KEF
1 stop12h 55m
Icelandair
Wed 9/307:45 pm
KEF
- ORD
Nonstop6h 40m
Icelandair
Deal found 6/6![Icelandair logo]()
$705
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 12/211:25 am
ORD
- KEF
1 stop12h 40m
Icelandair
Sun 12/64:30 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Deal found 6/6![Icelandair logo]()
$706
Best flights from O'Hare Intl to Keflavik IntlDiscover carefully curated flight deals from O'Hare Intl to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
Discover carefully curated flight deals from O'Hare Intl to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
This Icelandair deal was found by Cheapflights users on 6/5. 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.
Fri 9/251:00 pm
ORD
- KEF
1 stop14h 55m
Multiple Airlines
Tue 9/297:50 pm
KEF
- ORD
1 stop20h 57m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$739
This Scandinavian Airlines deal was found by Cheapflights users on 6/5. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:15 pm
ORD
- KEF
2 stops33h 35m
Scandinavian Airlines
Sat 11/215:05 pm
KEF
- ORD
2 stops29h 40m
Scandinavian Airlines
Deal found 6/5![Scandinavian Airlines logo]()
$810
This Icelandair deal was found by Cheapflights users on 6/7. 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.
Fri 7/247:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Fri 7/314:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Deal found 6/7![Icelandair logo]()
$824
This KLM deal was found by Cheapflights users on 6/5. 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 8/1312:29 pm
ORD
- KEF
1 stop13h 31m
KLM
Tue 8/188:45 am
KEF
- ORD
2 stops13h 06m
KLM
Deal found 6/5![KLM logo]()
$859
This KLM deal was found by Cheapflights users on 6/5. 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 8/2612:29 pm
ORD
- KEF
1 stop13h 31m
Multiple Airlines
Wed 9/29:30 am
KEF
- ORD
2 stops17h 22m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$809
This Scandinavian Airlines deal was found by Cheapflights users on 6/8. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:15 pm
ORD
- KEF
1 stop33h 35m
Scandinavian Airlines
Wed 11/411:30 am
KEF
- ORD
2 stops35h 15m
Scandinavian Airlines
Deal found 6/8![Scandinavian Airlines logo]()
$820
This Icelandair deal was found by Cheapflights users on 6/7. 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 9/57:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Sun 9/67:45 pm
KEF
- ORD
Nonstop6h 40m
Icelandair
Deal found 6/7![Icelandair logo]()
$854
This Scandinavian Airlines deal was found by Cheapflights users on 6/9. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:15 pm
ORD
- KEF
2 stops34h 10m
Scandinavian Airlines
Sat 9/196:35 pm
KEF
- ORD
2 stops26h 35m
Scandinavian Airlines
Deal found 6/9![Scandinavian Airlines logo]()
$863
This Icelandair deal was found by Cheapflights users on 6/10. 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.
Sun 7/510:25 pm
ORD
- KEF
Nonstop6h 05m
Icelandair
Fri 7/104:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Deal found 6/10![Icelandair logo]()
$892
This Scandinavian Airlines deal was found by Cheapflights users on 6/6. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:15 pm
ORD
- KEF
1 stop16h 00m
Scandinavian Airlines
Sat 9/196:35 pm
KEF
- ORD
2 stops26h 35m
Scandinavian Airlines
Deal found 6/6![Scandinavian Airlines logo]()
$899
This Icelandair deal was found by Cheapflights users on 6/5. 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.
Fri 7/37:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Mon 7/207:55 pm
KEF
- ORD
1 stop19h 11m
Icelandair
Deal found 6/5![Icelandair logo]()
$920
This Icelandair deal was found by Cheapflights users on 6/5. 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 7/27:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Tue 7/217:55 pm
KEF
- ORD
1 stop19h 11m
Icelandair
Deal found 6/5![Icelandair logo]()
$920
Last-minute flights from O'Hare Intl to Keflavik IntlDiscover last-minute flight deals from O'Hare Intl to Keflavik Intl. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Keflavik Intl. Data last updated June 10, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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.
Mon 7/610:25 pm
ORD
- KEF
Nonstop6h 05m
Icelandair
Mon 7/207:45 pm
KEF
- ORD
Nonstop6h 40m
Icelandair
Deal found 6/8![Icelandair logo]()
$717
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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.
Mon 7/1310:25 pm
ORD
- KEF
Nonstop6h 05m
Icelandair
Tue 7/217:45 pm
KEF
- ORD
Nonstop6h 40m
Icelandair
Deal found 6/8![Icelandair logo]()
$708
This oojo deal was found by Cheapflights users on 6/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Fri 7/314:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Deal found 6/9![Icelandair logo]()
$722
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Tue 7/284:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Deal found 6/10![Icelandair logo]()
$725
This Gotogate deal was found by Cheapflights users on 6/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/267:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Mon 8/34:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Deal found 6/8![Icelandair logo]()
$702
This Gotogate deal was found by Cheapflights users on 6/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Wed 8/57:45 pm
KEF
- ORD
Nonstop6h 40m
Icelandair
Deal found 6/7![Icelandair logo]()
$711
This FlightHub deal was found by Cheapflights users on 6/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Mon 8/34:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Deal found 6/9![Icelandair logo]()
$718
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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.
Tue 7/287:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Sun 8/27:45 pm
KEF
- ORD
Nonstop6h 40m
Icelandair
Deal found 6/9![Icelandair logo]()
$727
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Tue 7/287:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Wed 8/57:45 pm
KEF
- ORD
Nonstop6h 40m
Icelandair
Deal found 6/10![Icelandair logo]()
$728
This Gotogate deal was found by Cheapflights users on 6/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:25 pm
ORD
- KEF
Nonstop6h 15m
Icelandair
Mon 8/34:25 pm
KEF
- ORD
Nonstop6h 50m
Icelandair
Deal found 6/6![Icelandair logo]()
$713
One-way flights from O'Hare Intl to Keflavik IntlSearch for one-way flight options from O'Hare Intl to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
Search for one-way flight options from O'Hare Intl to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This oojo deal was found by Cheapflights users on 6/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:56 am
ORD
- KEF
1 stop16h 14m
Icelandair
Deal found 6/9![Icelandair logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 8/115:30 pm
ORD
- KEF
1 stop33h 10m
WestJet
Deal found 6/5![WestJet logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 7/215:30 pm
ORD
- KEF
1 stop33h 10m
WestJet
Deal found 6/6![WestJet logo]()
$358
This oojo deal was found by Cheapflights users on 6/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:25 pm
ORD
- KEF
Nonstop6h 05m
Icelandair
Deal found 6/9![Icelandair logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/147:15 am
ORD
- KEF
2 stops20h 45m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 8/319:48 pm
ORD
- KEF
2 stops28h 52m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:48 pm
ORD
- KEF
2 stops28h 52m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 8/135:30 pm
ORD
- KEF
1 stop33h 10m
WestJet
Deal found 6/8![WestJet logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 7/47:20 am
ORD
- KEF
2 stops44h 40m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$407
Find flight deals from O'Hare Intl to Keflavik Intl
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $691 (oojo) |
One-way from | $342 (oojo) |
Popular in | June |
Cheapest in | April |
Average price | $744 |
Good round-trip deal | $737 or less |
Good one-way deal | $375 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Keflavik Intl 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 June 10, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoReykjavik
ORD - KEF
ORDKEF
Chicago O'Hare Intl
Fri 9/25
1:00 pm-8:55 am
1 stop14h 55m
Reykjavik Keflavik Intl
Tue 9/29
7:50 pm-11:47 am
1 stop20h 57m
$739
ChicagoReykjavik
ORD - KEF
ORDKEF
Chicago O'Hare Intl
Wed 8/26
12:29 pm-7:00 am
1 stop13h 31m
Reykjavik Keflavik Intl
Wed 9/2
9:30 am-9:52 pm
2 stops17h 22m
$809
ChicagoReykjavik
ORD - KEF
ORDKEF
Chicago O'Hare Intl
Sat 11/7
7:15 pm-10:50 am
2 stops33h 35m
Reykjavik Keflavik Intl
Sat 11/21
5:05 pm-4:45 pm
2 stops29h 40m
$810
ChicagoReykjavik
ORD - KEF
ORDKEF
Chicago O'Hare Intl
Fri 10/30
8:15 pm-10:50 am
1 stop33h 35m
Reykjavik Keflavik Intl
Wed 11/4
11:30 am-4:45 pm
2 stops35h 15m
$820
ChicagoReykjavik
ORD - KEF
ORDKEF
Chicago O'Hare Intl
Fri 7/24
7:25 pm-6:40 am
Nonstop6h 15m
Reykjavik Keflavik Intl
Fri 7/31
4:25 pm-6:15 pm
Nonstop6h 50m
$824
Quickest round-trip
ChicagoReykjavik
ORD - KEF
ORDKEF
Chicago O'Hare Intl
Sat 9/5
7:25 pm-6:40 am
Nonstop6h 15m
Reykjavik Keflavik Intl
Sun 9/6
7:45 pm-9:25 pm
Nonstop6h 40m
$854
ChicagoReykjavik
ORD - KEF
ORDKEF
Chicago O'Hare Intl
Thu 8/13
12:29 pm-7:00 am
1 stop13h 31m
Reykjavik Keflavik Intl
Tue 8/18
8:45 am-4:51 pm
2 stops13h 06m
$859
ChicagoReykjavik
ORD - KEF
ORDKEF
Chicago O'Hare Intl
Sat 9/12
7:15 pm-10:25 am
2 stops34h 10m
Reykjavik Keflavik Intl
Sat 9/19
6:35 pm-4:10 pm
2 stops26h 35m
$863
ChicagoReykjavik
ORD - KEF
ORDKEF
Chicago O'Hare Intl
Sun 7/5
10:25 pm-9:30 am
Nonstop6h 05m
Reykjavik Keflavik Intl
Fri 7/10
4:25 pm-6:15 pm
Nonstop6h 50m
$892
ChicagoReykjavik
ORD - KEF
ORDKEF
Chicago O'Hare Intl
Sun 9/13
7:15 pm-4:15 pm
1 stop16h 00m
Reykjavik Keflavik Intl
Sat 9/19
6:35 pm-4:10 pm
2 stops26h 35m
$899
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl to Keflavik Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Keflavik Intl in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from O'Hare Intl to Keflavik Intl
Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from O'Hare Intl with our price prediction graph.
ORD-KEF
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 Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport
Prices
Airlines
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?
To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport, you should look to book at least 39 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?
Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport (average of $481). Flying from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $744). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ORD to KEF?
Find hourly flight availability from O'Hare Intl to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 10, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport as you normally would.
Reviews of airlines servicing Keflavik Intl
Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated June 10, 2026.
Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport, such as United Airlines and Icelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Food
6.6
Boarding
7.7
Overall
7.4
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Crew
8.1
Food
6.6
Boarding
7.7
Overall
7.4
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Crew
8.1
Food
6.6
Boarding
7.7
Overall
7.4
Comfort
7.3
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Reykjavik Keflavik Intl Airport?
Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locationsKeflavik
Hveragerdi
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Other flights to Keflavik Intl
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O'Hare Intl and Keflavik Intl flights
Browse other O'Hare Intl and Keflavik Intl flight options. Last updated on June 10, 2026.
Other flights from O'Hare Intl
Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on June 10, 2026.
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Top 2 airlines flying from O'Hare Intl to Keflavik Intl
Discover the top 2 airlines that operate flights from O'Hare Intl to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$348 | Average$626 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$613 | Average$705 | FlexibilityNo cancel fee | On-time69% |