$455 Cheap Flights from Reykjavik (KEF) to Chicago (ORD)

View $455 flight on Wed, Apr 30, 2025Opens in a new window

Popular airlines from Reykjavik–Keflavik Intl. Airport (KEF) to Chicago O'Hare Intl. Airport (ORD)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

Cheap Flights from Reykjavik to Chicago (KEF-ORD)

Prices were available within the past 7 days and start at $455 for one-way flights and $563 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Wed, Oct 15 - Wed, Nov 5
KEF
Reykjavik
ORD
Chicago
$563 Roundtrip, just found
$563
Roundtrip
just found
Select Icelandair flight, departing Wed, Oct 15 from Reykjavik to Chicago, returning Wed, Nov 5, priced at $563 just found
Icelandair
Mon, Dec 29 - Sat, Jan 3
KEF
Reykjavik
ORD
Chicago
$564 Roundtrip, found 1 day ago
$564
Roundtrip
found 1 day ago
Select Icelandair flight, departing Mon, Dec 29 from Reykjavik to Chicago, returning Sat, Jan 3, priced at $564 found 1 day ago
Icelandair
Wed, Jul 9 - Wed, Jul 23
KEF
Reykjavik
ORD
Chicago
$575 Roundtrip, found 7 hours ago
$575
Roundtrip
found 7 hours ago
Select Icelandair flight, departing Wed, Jul 9 from Reykjavik to Chicago, returning Wed, Jul 23, priced at $575 found 7 hours ago
Icelandair
Sun, Aug 17 - Sun, Aug 24
KEF
Reykjavik
ORD
Chicago
$577 Roundtrip, found 23 hours ago
$577
Roundtrip
found 23 hours ago
Select Icelandair flight, departing Sun, Aug 17 from Reykjavik to Chicago, returning Sun, Aug 24, priced at $577 found 23 hours ago
Icelandair
Fri, Jul 18 - Sat, Jul 26
KEF
Reykjavik
ORD
Chicago
$580 Roundtrip, found 3 days ago
$580
Roundtrip
found 3 days ago
Select Icelandair flight, departing Fri, Jul 18 from Reykjavik to Chicago, returning Sat, Jul 26, priced at $580 found 3 days ago
Icelandair
Mon, Jun 9 - Thu, Jun 19
KEF
Reykjavik
ORD
Chicago
$581 Roundtrip, found 2 days ago
$581
Roundtrip
found 2 days ago
Select Icelandair flight, departing Mon, Jun 9 from Reykjavik to Chicago, returning Thu, Jun 19, priced at $581 found 2 days ago
Scandinavian Airlines
Sat, Sep 13 - Sat, Sep 20
KEF
Reykjavik
ORD
Chicago
$600 Roundtrip, found 2 days ago
$600
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Sat, Sep 13 from Reykjavik to Chicago, returning Sat, Sep 20, priced at $600 found 2 days ago
Lufthansa
Wed, Oct 1 - Tue, Oct 7
KEF
Reykjavik
ORD
Chicago
$747 Roundtrip, found 6 days ago
$747
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Oct 1 from Reykjavik to Chicago, returning Tue, Oct 7, priced at $747 found 6 days ago
Delta
Fri, Oct 3 - Sat, Oct 11
KEF
Reykjavik
ORD
Chicago
$775 Roundtrip, found 3 days ago
$775
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Oct 3 from Reykjavik to Chicago, returning Sat, Oct 11, priced at $775 found 3 days ago
Virgin Atlantic
Fri, Oct 3 - Sat, Oct 11
KEF
Reykjavik
ORD
Chicago
$775 Roundtrip, found 3 days ago
$775
Roundtrip
found 3 days ago
Select Virgin Atlantic flight, departing Fri, Oct 3 from Reykjavik to Chicago, returning Sat, Oct 11, priced at $775 found 3 days ago

Frequently asked questions

How much does a flight from Keflavik Intl. Airport (KEF) to O'Hare Intl. Airport (ORD) cost?
Cheap round-trip flights from Keflavik Intl. Airport (KEF) to O’Hare Intl. Airport (ORD) start from $580. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Icelandair flight leaving KEF on April 28 2025 and touching down at ORD. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from KEF to ORD?
The cheapest flights from KEF to ORD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Keflavik Intl. Airport (KEF) to O'Hare Intl. Airport (ORD)?
When jetting out of Keflavik Intl. Airport (KEF), you can hop on a direct flight to O’Hare Intl. Airport (ORD) with Icelandair.
What is the cheapest airline that flies from KEF to ORD?
Right now, the cheapest carrier offering one-way flights from KEF to ORD is Icelandair. You can take off on this route from $451. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from KEF on April 30 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Keflavik Intl. Airport (KEF) to O'Hare Intl. Airport (ORD)?
On average, Keflavik Intl. Airport (KEF) only offers 1 nonstop flight to O’Hare Intl. Airport (ORD) daily. For more choices, try our easy-to-use filters. Simply enter your dates of travel, then select “1 Stop” or “2+ Stops” to discover flights with layovers.
What are the most popular departure times for flights from Keflavik Intl. Airport (KEF) to O'Hare Intl. Airport (ORD)?
The 4 PM departures from KEF to ORD are the top choice for many travelers. Prices can be higher for these popular slots. If you want to save on your trip, choose a less crowded time to fly.
What day of the week has the most flights from KEF to ORD?
Depart on a Friday if you’re searching for the best selection of flights from Keflavik Intl. Airport (KEF) to O’Hare Intl. Airport (ORD).
What is the earliest flight from Keflavik Intl. Airport (KEF) to O'Hare Intl. Airport (ORD)?
Keflavik Intl. Airport (KEF)’s earliest flight to O’Hare Intl. Airport (ORD) is at approximately 4:45PM UTC+0. With a total journey time of 6h 35m, you’ll land at around 5:20PM UTC-6.
How long does it take to fly from Keflavik Intl. Airport (KEF) to O'Hare Intl. Airport (ORD)?
The average flight time from KEF to ORD is 6 hours and 35 minutes, covering a distance of 2,900 mi.
What airline has the least delays from KEF to ORD?
Icelandair has the strongest track record for on-time direct flights from Keflavik Intl. Airport (KEF) to O’Hare Intl. Airport (ORD), with an on-time rating of 84%. Use the Expedia App to check your flight status before you jet off and get real-time updates about any changes.
What is the best time to fly from Keflavik Intl. Airport (KEF) to O'Hare Intl. Airport (ORD)?
To avoid potential delays on the Keflavik Intl. Airport (KEF) to O’Hare Intl. Airport (ORD) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Chicago from Keflavik Intl. Airport (KEF)?
O’Hare Intl. Airport (ORD) is the only airport in Chicago with direct flights from Keflavik Intl. Airport (KEF). Compare the options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Keflavik Intl. Airport (KEF) to O'Hare Intl. Airport (ORD) last-minute?
Holding off until right before your break to book your flight from KEF to ORD often results in higher prices. Although you may find some last-minute discounts, they aren’t always guaranteed. Be flexible with your travel plans to boost your chances of scoring a bargain.
Is it cheaper to book a KEF to ORD flight and hotel package?
Compared with arranging hotels and flights separately, booking a KEF to ORD flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the stress out of travel planning. Just secure your flights and choose from our extensive range of hotels, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Keflavik Intl. Airport (KEF) to O'Hare Intl. Airport (ORD)?
Typically, you can reschedule or cancel your KEF to ORD flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Check your itinerary for the airline’s fees and policies on flight changes, or if you want more details, head to our Customer Service portal.
*Available to One Key members.