A spacious airport terminal with high ceilings, check-in counters, and a Starbucks coffee shop.

£364 Cheap Flights from Reykjavik (KEF) to Chicago (ORD)

View £364 flight on Mon, 5 Oct 2026Opens in a new window

Popular airlines from Keflavik International Airport (KEF) to Chicago O'Hare International Airport (ORD)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at £364 for one-way flights and £465 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Fri, 21 Aug - Sun, 23 Aug
KEF
Reykjavik
ORD
Chicago
£465 Return, found 2 days ago
£465
Return
found 2 days ago
Select Icelandair flight, departing Fri, 21 Aug from Reykjavik to Chicago, returning Sun, 23 Aug, priced at £465 found 2 days ago
Icelandair
Sat, 22 Aug - Sun, 23 Aug
KEF
Reykjavik
ORD
Chicago
£473 Return, found 2 days ago
£473
Return
found 2 days ago
Select Icelandair flight, departing Sat, 22 Aug from Reykjavik to Chicago, returning Sun, 23 Aug, priced at £473 found 2 days ago
Icelandair
Sun, 11 Oct - Sun, 18 Oct
KEF
Reykjavik
ORD
Chicago
£476 Return, found 2 days ago
£476
Return
found 2 days ago
Select Icelandair flight, departing Sun, 11 Oct from Reykjavik to Chicago, returning Sun, 18 Oct, priced at £476 found 2 days ago
Icelandair
Sun, 11 Oct - Sun, 18 Oct
KEF
Reykjavik
ORD
Chicago
£476 Return, found 2 days ago
£476
Return
found 2 days ago
Select Icelandair flight, departing Sun, 11 Oct from Reykjavik to Chicago, returning Sun, 18 Oct, priced at £476 found 2 days ago
Icelandair
Thu, 1 Oct - Thu, 15 Oct
KEF
Reykjavik
ORD
Chicago
£480 Return, found 3 days ago
£480
Return
found 3 days ago
Select Icelandair flight, departing Thu, 1 Oct from Reykjavik to Chicago, returning Thu, 15 Oct, priced at £480 found 3 days ago
Icelandair
Mon, 31 Aug - Sat, 12 Dec
KEF
Reykjavik
ORD
Chicago
£481 Return, found 1 day ago
£481
Return
found 1 day ago
Select Icelandair flight, departing Mon, 31 Aug from Reykjavik to Chicago, returning Sat, 12 Dec, priced at £481 found 1 day ago
United
Mon, 27 Jul - Tue, 28 Jul
KEF
Reykjavik
ORD
Chicago
£589 Return, found 2 days ago
£589
Return
found 2 days ago
Select United flight, departing Mon, 27 Jul from Reykjavik to Chicago, returning Tue, 28 Jul, priced at £589 found 2 days ago
Air France
Tue, 1 Sept - Mon, 7 Sept
KEF
Reykjavik
ORD
Chicago
£623 Return, found 4 days ago
£623
Return
found 4 days ago
Select Air France flight, departing Tue, 1 Sept from Reykjavik to Chicago, returning Mon, 7 Sept, priced at £623 found 4 days ago
KLM
Tue, 1 Sept - Mon, 7 Sept
KEF
Reykjavik
ORD
Chicago
£623 Return, found 4 days ago
£623
Return
found 4 days ago
Select KLM flight, departing Tue, 1 Sept from Reykjavik to Chicago, returning Mon, 7 Sept, priced at £623 found 4 days ago
Air Canada
Fri, 9 Oct - Sat, 17 Oct
KEF
Reykjavik
ORD
Chicago
£644 Return, found 2 days ago
£644
Return
found 2 days ago
Select Air Canada flight, departing Fri, 9 Oct from Reykjavik to Chicago, returning Sat, 17 Oct, priced at £644 found 2 days ago

Alternative airports near Chicago

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Midway Intl. MDW. Closest option available. Average driving time to city centre is 16 minutes. Flights from £794
MDW
Midway Intl.
Closest
Average driving time to city centre16 min
Flights from £794

Find the cheapest month to fly from Reykjavik (KEF) to Chicago (ORD)

March is typically the cheapest month to fly

From £353 - £646 per traveller.

Frequently asked questions

How much does a flight from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.) cost?
You can find cheap one-way flights from £364 and cheap return flights from £465 KEF to ORD with Expedia. One-way flights typically cost between £524 and £2371. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when KEF to ORD ticket fares go up or down.
What is the cheapest month to fly from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The cheapest months to fly from KEF to ORD are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
There are 2 airlines offering direct flights from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.):
  • Icelandair operates 12 direct flights from KEF to ORD every week.
  • United operates 7 direct flights from KEF to ORD every week.
What is the cheapest airline that flies from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
United is one of the cheapest airlines offering nonstop return flights from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.), with tickets starting from around £660 for flights that can be booked for departure within the next year. United also offers one of the cheapest connecting return flights on this route, with tickets starting from around £663. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
To find a cheap flight from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The best airline to fly with from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.) will differ from traveler to traveler. If you like to fly early, Icelandair offers early morning flights. If price is the most important factor, Icelandair typically offers the lowest fares. Delta offers the most daily flights from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
You'll find around 3 nonstop flights per day from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.). For even more choices, look at flights that include layovers, as there are approximately 23 connecting flights per day. Some common connection points include Pearson Intl. (YYZ), Heathrow (LHR), and Pierre Elliott Trudeau Intl. (YUL).
What is the earliest flight from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The earliest flight from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.) typically departs around 12:10 AM local time. This service is operated by Austrian Airlines and is seasonal, active in June, September, and October. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
You'll typically find the most flights from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.) on a Thursday, with around 22 flights available. This gives you a good selection of options for your journey. Major airlines on this route include Delta, Icelandair, and British Airways. Flight options are notably more plentiful on Thursdays compared to other days of the week.
What are the most popular departure times for flights from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The most popular departure times for flights from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.) are in the morning, from 9am to 12pm. Many major carriers, including Delta, Air Canada and British Airways, offer flights during this window. Many travellers prefer this timing as it allows for an early start to their journey, getting them to their destination with plenty of time left in the day.
How long does it take to fly from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
When flying from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.), you'll find that nonstop flights typically take around 6 hours 48 minutes. This route covers a distance of approximately 4,725 kilometers. If you opt for a flight with one stop, your travel time will be longer, usually around 14 hours 18 minutes. Flights with two or more stops can take even longer, with a typical duration of about 13 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some flexibility in your travel plans.
Can you fly business or first class from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
Yes, you can fly business class or first class between KEF and ORD. Airlines that offer business class service on this route include:
  • British Airways
  • Delta
  • Lufthansa
  • United
  • Icelandair
  • Discover Airlines
  • SAS
  • Edelweiss Air
  • Finnair
First class cabins are available on Alaska Airlines.
How do I earn miles on a Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight with Expedia?
It's easy to earn miles on a Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Chicago, IL (ORD) from Reykjavik (KEF)?
If you're planning to travel to Chicago from Keflavik Intl. (KEF), you can fly directly into O'Hare Intl. (ORD). Some flights may connect through major hubs like Heathrow (LHR), Seattle - Tacoma Intl. (SEA), or Frankfurt Intl. (FRA) before reaching Chicago. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.) at the last minute?
Typically, booking a last minute flight from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package?
Securing a Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
If you booked your Reykjavik (KEF-Keflavik Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Keflavik Intl.
Destination airport
O'Hare Intl.
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, Icelandair, KLM, Lufthansa, Scandinavian Airlines, United, Virgin Atlantic
Return price
£464
Distance
4696 km
Average flight time
1 hour 46 mins

Book with confidence

Compare flights from Reykjavik to Chicago easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Reykjavik to Chicago. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to O'Hare Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Keflavik Intl. to O'Hare Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Keflavik Intl. (KEF) to O'Hare Intl. (ORD)

The easiest way to view the best deals on flights from Reykjavik to Chicago today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Keflavik Intl. to O'Hare Intl. start at just £465 and range up to £697.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Reykjavik and Chicago
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Reykjavik to Chicago flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Keflavik Intl. to O'Hare Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Reykjavik to Chicago easily and book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.