In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 40.0 - 80.0 inches per month. January is typically the wettest month, when rainfall can reach 80.0 mm. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 11.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

What are the most reliable airlines from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?

Before booking your flight to Reykjavik Keflavik Intl Airport from Chicago O'Hare Intl Airport, check out the most reliable airlines to get you to your destination on time: Icelandair (79%), Air Canada (71%), Austrian Airlines( 71%).

Can I find deals for flights from O'Hare Intl to Keflavik Intl that include hotel bookings?

Yes. In addition to deals on O'Hare Intl to Keflavik Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from O'Hare Intl to Keflavik Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Keflavik Intl.

Can I find deals for business class flights from O'Hare Intl to Keflavik Intl?

Yes. Cheapflights offers flight deals from O'Hare Intl to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£347+ Cheap Flights from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport

Cheap flight deals from O'Hare Intl to Keflavik Intl

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from O'Hare Intl to Keflavik Intl
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 6 November 2026.

Wed 2/1218:30 -

Nonstop6h 15m

Sat 12/1216:30 -

Nonstop6h 50m

Deal found 4/11£347

Wed 2/1218:30 -

Nonstop6h 15m

Thu 10/1216:30 -

Nonstop6h 50m

Deal found 4/11£347

Fri 4/1221:45 -

Nonstop6h 15m

Mon 7/1212:00 -

Nonstop6h 55m

Deal found 3/11£354

Fri 4/1221:45 -

Nonstop6h 15m

Thu 10/1212:00 -

Nonstop6h 55m

Deal found 4/11£355

Tue 1/1218:30 -

Nonstop6h 15m

Sat 12/1216:30 -

Nonstop6h 50m

Deal found 4/11£376

Tue 1/1218:30 -

Nonstop6h 15m

Sat 5/1216:30 -

Nonstop6h 50m

Deal found 4/11£377

Fri 27/1121:45 -

Nonstop6h 15m

Thu 3/1215:10 -

1 stop33h 15m

Deal found 3/11£379

Wed 2/1218:10 -

1 stop14h 15m

Mon 7/1212:00 -

Nonstop6h 55m

Deal found 2/11£387

Mon 16/1116:20 -

1 stop16h 05m

Mon 23/1112:00 -

Nonstop6h 55m

Deal found 6/11£387

Fri 27/1121:45 -

Nonstop6h 15m

Sun 6/1215:20 -

1 stop27h 50m

Deal found 3/11£402

Sun 29/1121:45 -

Nonstop6h 15m

Sun 6/1215:20 -

1 stop27h 50m

Deal found 6/11£402

Tue 1/1218:30 -

Nonstop6h 15m

Fri 11/1216:30 -

Nonstop6h 50m

Deal found 4/11£405

Find flight deals from O'Hare Intl to Keflavik Intl

Round-trip from	£347
Popular in	June
Cheapest in	April
Average price	£385

Icelandair
6/12-10/12
Nonstop
13h 05m total
Chicago to Reykjavik

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£64 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Cheapflights Fare Finder

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

Price

Cheapest return flight

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Fri 4/12

21:45-10:00

Nonstop6h 15m

Reykjavik Keflavik Intl

Mon 7/12

12:00-12:55

Nonstop6h 55m

£354

Fastest return journey

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Sun 13/12

18:30-06:45

Nonstop6h 15m

Reykjavik Keflavik Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£360

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Fri 4/12

21:45-10:00

Nonstop6h 15m

Reykjavik Keflavik Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£406

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Wed 18/11

21:45-10:00

Nonstop6h 15m

Reykjavik Keflavik Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£433

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Tue 15/12

18:30-06:45

Nonstop6h 15m

Reykjavik Keflavik Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£466

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Wed 28/4

17:45-00:55

1 stop26h 10m

Reykjavik Keflavik Intl

Sat 8/5

01:45-16:00

1 stop19h 15m

£470

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Sun 3/1

21:45-10:00

Nonstop6h 15m

Reykjavik Keflavik Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£505

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Sun 14/3

19:30-06:45

Nonstop6h 15m

Reykjavik Keflavik Intl

Wed 24/3

19:45-21:25

Nonstop6h 40m

£513

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Thu 3/12

18:10-14:25

1 stop14h 15m

Reykjavik Keflavik Intl

Thu 10/12

15:10-18:25

1 stop33h 15m

£534

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Wed 16/12

21:45-10:00

Nonstop6h 15m

Reykjavik Keflavik Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£543

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 23 resultsSorted by cheapest first

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 return 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

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 38 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 £383). Flying from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of £619). 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?

When flying from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?

Airfare is below average for this route at the moment.

Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport flights typically cost between £376 and £583 in December.
The cheapest return price found within the last 5 days was £347 on Icelandair (2 Dec–12 Dec).

Related info for your journey

How long is the flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?
Departing from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport will take you 6h 15m. Airlines will cover a distance of 2934 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most reliable airlines from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?
Before booking your flight to Reykjavik Keflavik Intl Airport from Chicago O'Hare Intl Airport, check out the most reliable airlines to get you to your destination on time: Icelandair (79%), Air Canada (71%), Austrian Airlines( 71%).
Can I find deals for flights from O'Hare Intl to Keflavik Intl that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Keflavik Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Keflavik Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Keflavik Intl.
Can I find deals for business class flights from O'Hare Intl to Keflavik Intl?
Yes. Cheapflights offers flight deals from O'Hare Intl to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
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 £383). Flying from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of £619). 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.

See more FAQs

Kopavogur

Keflavik

Hveragerdi

Browse thousands of different options on Cheapflights for your next trip

Complete your trip

Direct flights to Iceland

Flights by cabin class

Keflavik Intl flight routes

Other flight options

Other flights from O'Hare Intl

Popular flights

Complete your trip

London car hire

Orlando car hire

Johannesburg car hire

Fly with Cheapflights

How does Cheapflights help users find flights from O'Hare Intl to Keflavik Intl?

When you search for this flight from O'Hare Intl to Keflavik Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Keflavik Intl?

Cheapflights simply makes it quick and affordable to book flights from O'Hare Intl to Keflavik Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from O'Hare Intl to Keflavik Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from O'Hare Intl to Keflavik Intl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Keflavik Intl become cheaper?

Yes! Start tracking prices for O'Hare Intl to Keflavik Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport from £347

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from O'Hare Intl to Keflavik Intl

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 6 November 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 6 November 2026.

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 stopovers in mind to ensure you get the best travel experience. Data last updated 6 November 2026.

Discover carefully curated flight deals from O'Hare Intl to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 November 2026.

Direct flights from O'Hare Intl to Keflavik IntlExplore direct flight options from O'Hare Intl to Keflavik Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 6 November 2026.

Explore direct flight options from O'Hare Intl to Keflavik Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 6 November 2026.

Last-minute flights from O'Hare Intl to Keflavik IntlDiscover last-minute flight deals from O'Hare Intl to Keflavik Intl. Data last updated 6 November 2026 and is based on user searches.

Discover last-minute flight deals from O'Hare Intl to Keflavik Intl. Data last updated 6 November 2026 and is based on user searches.

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 6 November 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 6 November 2026.

Find flight deals from O'Hare Intl to Keflavik Intl

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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.

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.

Cheapflights Insights

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?

What is the cheapest time of day to fly from ORD to KEF?

When flying from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?

Airfare is below average for this route at the moment.

Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport flights typically cost between £376 and £583 in December.The cheapest return price found within the last 5 days was £347 on Icelandair (2 Dec–12 Dec).

Related info for your journey

How long is the flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?

What are the most reliable airlines from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?

Can I find deals for flights from O'Hare Intl to Keflavik Intl that include hotel bookings?

How can I find direct flights from O'Hare Intl to Keflavik Intl?

Can I find deals for business class flights from O'Hare Intl to Keflavik Intl?

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?

Travelling to a place near Reykjavik Keflavik Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Keflavik Intl by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Iceland

Book a non-stop flight to one of these other cities located in Iceland.

Search flights from O'Hare Intl to Keflavik Intl by cabin class

Find flights from O'Hare Intl to Keflavik Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Keflavik Intl

Explore flights to Keflavik Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 6 November 2026.

O'Hare Intl and Keflavik Intl flights

Browse other O'Hare Intl and Keflavik Intl flight options. Last updated on 6 November 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 6 November 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

How does Cheapflights help users find flights from O'Hare Intl to Keflavik Intl?

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Keflavik Intl?

Can Cheapflights find flights from O'Hare Intl to Keflavik Intl with no change fees?

Can Cheapflights notify me if prices for flights from O'Hare Intl to Keflavik Intl become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from O'Hare Intl to Keflavik Intl
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 6 November 2026.

Best flights from O'Hare Intl to Keflavik Intl
Discover carefully curated flight deals from O'Hare Intl to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 November 2026.

Direct flights from O'Hare Intl to Keflavik Intl
Explore direct flight options from O'Hare Intl to Keflavik Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 6 November 2026.

Last-minute flights from O'Hare Intl to Keflavik Intl
Discover last-minute flight deals from O'Hare Intl to Keflavik Intl. Data last updated 6 November 2026 and is based on user searches.

One-way flights from O'Hare Intl to Keflavik Intl
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 6 November 2026.

Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport flights typically cost between £376 and £583 in December.
The cheapest return price found within the last 5 days was £347 on Icelandair (2 Dec–12 Dec).