Find flights
Deals
When to book
FAQs

Cheap flights from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport from £321

ORD — KEF
12 Oct — 19 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from O'Hare Intl to Keflavik Intl

Enter your travel dates to find the best prices.

Cheapest flights from O'Hare Intl to Keflavik Intl

Sun 18/1022:25 -
Nonstop6h 05m
Tue 27/1016:30 -
Nonstop6h 50m
Deal found 8/9£321
Sun 4/1022:25 -
Nonstop6h 05m
Thu 22/1016:25 -
Nonstop6h 50m
Deal found 10/9£346
Wed 16/1218:30 -
Nonstop6h 15m
Thu 31/1216:30 -
Nonstop6h 50m
Deal found 8/9£350
Sat 12/922:25 -
Nonstop6h 05m
Wed 30/919:45 -
Nonstop6h 40m
Deal found 7/9£356
Fri 16/1021:35 -
Nonstop6h 15m
Mon 19/1012:00 -
Nonstop6h 55m
Deal found 9/9£382
Tue 20/1014:01 -
1 stop12h 54m
Sat 31/1012:00 -
Nonstop6h 55m
Deal found 10/9£385
Fri 11/912:55 -
1 stop14h 35m
Thu 1/1012:00 -
Nonstop6h 55m
Deal found 7/9£385
Sat 26/908:00 -
2 stops18h 55m
Mon 5/1012:00 -
Nonstop6h 55m
Deal found 8/9£388
Sun 18/1021:35 -
Nonstop6h 15m
Thu 22/1010:00 -
1 stop14h 48m
Deal found 10/9£388
Sun 18/1005:59 -
2 stops21h 46m
Mon 26/1012:00 -
Nonstop6h 55m
Deal found 10/9£389
Fri 23/1015:00 -
2 stops12h 45m
Mon 2/1112:00 -
Nonstop6h 55m
Deal found 10/9£391
Sun 13/921:35 -
Nonstop6h 15m
Sat 19/912:00 -
Nonstop6h 55m
Deal found 10/9£392

Find flight deals from O'Hare Intl to Keflavik Intl

Round-trip from

£321

Popular in

June

Cheapest in

April

Average price

£489

Good round-trip deal

£645 or less
Icelandair
  • Icelandair
  • 18/10-27/10
  • Nonstop
  • 12h 55m total
  • Chicago to Reykjavik
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Reykjavik Keflavik Intl.
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

Sat 17/10

07:11-07:55

1 stop19h 44m

Reykjavik Keflavik Intl

Sat 24/10

12:00-13:55

Nonstop6h 55m

£385

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Sun 18/10

14:15-08:45

1 stop13h 30m

Reykjavik Keflavik Intl

Sat 24/10

12:00-13:55

Nonstop6h 55m

£388

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Fri 23/10

15:00-08:45

2 stops12h 45m

Reykjavik Keflavik Intl

Mon 2/11

12:00-12:55

Nonstop6h 55m

£391

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Fri 16/10

15:00-08:45

2 stops12h 45m

Reykjavik Keflavik Intl

Sat 24/10

12:00-13:55

Nonstop6h 55m

£391

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Fri 25/9

11:17-07:00

2 stops14h 43m

Reykjavik Keflavik Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£400

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Wed 30/9

15:55-07:00

1 stop10h 05m

Reykjavik Keflavik Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£400

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Fri 2/10

06:00-07:00

2 stops20h 00m

Reykjavik Keflavik Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£400

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Fri 2/10

08:25-07:00

1 stop17h 35m

Reykjavik Keflavik Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£400

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Thu 1/10

06:00-07:00

2 stops20h 00m

Reykjavik Keflavik Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£400

ChicagoReykjavik

ORD Chicago O'Hare Intl - KEF Reykjavik Keflavik Intl

ORDKEF

Chicago O'Hare Intl

Sun 11/10

09:59-09:30

2 stops18h 31m

Reykjavik Keflavik Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£400

Flights are sorted by cheapest return flights first.

Deals found on 7/9

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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.
Estimated return price

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 57 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 £357). Flying from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of £607). 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 £380 and £583 in October.
The cheapest return price found within the last 5 days was £321 on Icelandair (18 Oct–27 Oct).

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 (61%), Air Canada (52%), Austrian Airlines( 52%).

  • 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 £357). Flying from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of £607). 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

Travelling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Kopavogur
Keflavik
Hveragerdi

Browse thousands of different options on Cheapflights for your next trip

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.