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O'Hare Intl

$255+ Cheap flights from Keflavik Intl (KEF) to O'Hare Intl (ORD)

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Keflavik Intl to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to O'Hare Intl (ORD). 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 12, 2025.

Round-trip from

$494
(Gotogate)

One-way from

$255
(Kiwi.com)

Good round-trip deal

$745 or less

Good one-way deal

$459 or less
From Reykjavik Keflavik Intl to Chicago O'Hare Intl
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One-way flight from Reykjavik Keflavik Intl to Chicago O'Hare Intl
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Price to beat on a round-trip flight from Reykjavik Keflavik Intl to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Reykjavik Keflavik Intl to Chicago O'Hare Intl.
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Find flight deals from Keflavik Intl to O'Hare Intl

Cheapest flights from Keflavik Intl to O'Hare Intl
Explore the most affordable flight options available from Keflavik Intl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/11. 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 10/1510:20 amKEF - ORD
1 stop34h 50mScandinavian Airlines
Mon 10/207:15 pmORD - KEF
1 stop33h 15mScandinavian Airlines
Deal found 6/11$494
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/37:35 pmKEF - ORD
Nonstop6h 40mIcelandair
Sat 8/910:15 pmORD - KEF
Nonstop6h 05mIcelandair
Deal found 6/10$542
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/179:35 amKEF - ORD
2 stops29h 17mMultiple Airlines
Tue 6/2410:43 amORD - KEF
3 stops37h 02mMultiple Airlines
Deal found 6/12$657
This lol.travel deal was found by Cheapflights users on 6/12. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/312:00 pmKEF - ORD
Nonstop6h 50mUnited Airlines
Sat 8/95:58 pmORD - KEF
1 stop9h 12mUnited Airlines
Deal found 6/12$728
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/199:50 amKEF - ORD
1 stop28h 19mAir Canada
Fri 8/299:55 amORD - KEF
1 stop17h 20mAir Canada
Deal found 6/12$740
This Lufthansa deal was found by Cheapflights users on 6/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2512:25 amKEF - ORD
1 stop19h 30mLufthansa
Wed 7/29:40 pmORD - KEF
1 stop21h 30mLufthansa
Deal found 6/11$750
This Austrian Airlines 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2312:10 amKEF - ORD
2 stops40h 55mAustrian Airlines
Wed 10/13:45 pmORD - KEF
2 stops50h 35mAustrian Airlines
Deal found 6/10$869
This Virgin Atlantic deal was found by Cheapflights users on 6/12. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/1511:25 amKEF - ORD
2 stops14h 59mVirgin Atlantic
Sun 6/227:00 amORD - KEF
1 stop21h 30mVirgin Atlantic
Deal found 6/12$967
This Gotogate deal was found by Cheapflights users on 6/12. 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 8/1812:25 amKEF - ORD
2 stops38h 15mTurkish Airlines
Fri 8/2911:25 amORD - KEF
2 stops25h 35mTurkish Airlines
Deal found 6/12$1,083
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/212:40 amKEF - ORD
1 stop16h 30mSWISS
Sat 8/92:20 pmORD - KEF
1 stop28h 35mSWISS
Deal found 6/10$1,116
This Expedia deal was found by Cheapflights users on 6/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/38:50 amKEF - ORD
1 stop12h 23mAir France
Sat 8/99:50 amORD - KEF
2 stops15h 30mAir France
Deal found 6/12$1,138

Cheapflights Fare Finder

Customize your flight search to find flights from Keflavik Intl to O'Hare 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 12, 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Keflavik Intl

Fly to

O'Hare Intl

Route

Depart

Return

Price

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Wed 10/15

10:20 am-4:10 pm

1 stop34h 50m

Chicago O'Hare Intl

Mon 10/20

7:15 pm-9:30 am

1 stop33h 15m

$494

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sun 8/3

7:35 pm-9:15 pm

Nonstop6h 40m

Chicago O'Hare Intl

Sat 8/9

10:15 pm-9:20 am

Nonstop6h 05m

$542

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sun 8/3

3:45 pm-8:55 am

2 stops22h 10m

Chicago O'Hare Intl

Sat 8/9

4:37 pm-4:55 am

2 stops31h 18m

$705

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sun 8/3

12:00 pm-1:50 pm

Nonstop6h 50m

Chicago O'Hare Intl

Sat 8/9

5:58 pm-8:10 am

1 stop9h 12m

$728

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Tue 8/19

9:50 am-9:09 am

1 stop28h 19m

Chicago O'Hare Intl

Fri 8/29

9:55 am-8:15 am

1 stop17h 20m

$740

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Wed 6/25

12:25 am-2:55 pm

1 stop19h 30m

Chicago O'Hare Intl

Wed 7/2

9:40 pm-12:10 am

1 stop21h 30m

$750

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Tue 9/23

12:10 am-12:05 pm

2 stops40h 55m

Chicago O'Hare Intl

Wed 10/1

3:45 pm-11:20 pm

2 stops50h 35m

$869

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Mon 8/18

12:25 am-9:40 am

2 stops38h 15m

Chicago O'Hare Intl

Fri 8/29

11:25 am-6:00 pm

2 stops25h 35m

$1,083

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sat 8/2

12:40 am-12:10 pm

1 stop16h 30m

Chicago O'Hare Intl

Sat 8/9

2:20 pm-11:55 pm

1 stop28h 35m

$1,116

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sun 8/3

8:50 am-4:13 pm

1 stop12h 23m

Chicago O'Hare Intl

Sat 8/9

9:50 am-6:20 am

2 stops15h 30m

$1,138

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 21 results
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Best time to book a flight from Keflavik Intl to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Keflavik Intl with our price prediction graph.
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 Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport

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

Find hourly flight availability from Keflavik Intl to O'Hare 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 12, 2025.

One of the essential ways to save on airfare from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 38% on airfare.

Weekly flight availability from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport

Explore weekly flight availability from Keflavik Intl to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from KEF to ORD are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare 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 O'Hare Intl. Reviews last updated June 12, 2025.
See what other customers who have flown with Austrian Airlines, Finnair and Air France from Reykjavik to Chicago have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
802 reviews

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.3

Boarding

7.6

Food

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Austrian Airlines
7.6
Good
802 reviews
Austrian Airlines
7.6
Good
802 reviews

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.3

Boarding

7.6

Food

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Finnair
7.6
Good
1,290 reviews
Austrian Airlines
7.6
Good
802 reviews

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.3

Boarding

7.6

Food

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Air France
7.5
Good
1,463 reviews
Austrian Airlines
7.6
Good
802 reviews

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.3

Boarding

7.6

Food

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
SWISS
7.5
Good
1,623 reviews
Austrian Airlines
7.6
Good
802 reviews

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.3

Boarding

7.6

Food

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
United Airlines
7.4
Good
8,790 reviews
Austrian Airlines
7.6
Good
802 reviews

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.3

Boarding

7.6

Food

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well

Related info for your journey

Find useful and relevant information for your journey from Keflavik Intl to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport round-trip?

    Our cheapest airline available from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $494 on this airline. Additional options worth looking into are Icelandair and United Airlines, starting at $542 and $728 round-trip.

  • What are the cheapest airlines to fly from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport one-way?

    The cheapest airlines for a one-way flight from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport are WestJet ($255), Icelandair ($441), and Scandinavian Airlines ($605).

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport on time: Icelandair (86%), Air Canada (85%), Austrian Airlines (85%).

  • What are the cheapest flights from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport?

    While on average a flight from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport is generally $1,762, our data shows the cheapest flight currently is $430. When looking at the most popular route, (Reykjavik Keflavik Intl - Chicago O'Hare Intl), you can expect to pay $494 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Keflavik Intl to O'Hare 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 Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport (average of $245). Flying from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Schaumburg
Hoffman Estates
Rosemont
Beloit
Elgin
Racine
Skokie
Arlington Heights
Rockford
Naperville
Orland Park
Elk Grove Village
Tinley Park
Northbrook
Joliet
Merrillville
Bridgeview
Glenview
Des Plaines
Lake Geneva

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Keflavik Intl to O'Hare Intl

Discover the top airline that operate flights from Keflavik Intl to O'Hare 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$483Average$664FlexibilityNo cancel feeOn-time76%

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