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$416+ Cheap flights from Keflavik Intl (KEF) to Illinois

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — ORD
dic. 3 — dic. 101
mié. 12/3
mié. 12/10
1 adult, Economy
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Cheap flight deals from Keflavik Intl to Illinois

Keep the following information in mind while searching for Keflavik Intl to Illinois flight deals. Data was last updated noviembre 3, 2025.

Round-trip from

$544
(Gotogate)

One-way from

$416
(Kiwi.com)

Good one-way deal

$543 or less
From Reykjavik Keflavik Intl to Illinois
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One-way flight from Reykjavik Keflavik Intl to Illinois
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Price to beat on a one-way flight from Reykjavik Keflavik Intl to Illinois.
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Find flight deals from Keflavik Intl to Illinois

Cheapest flights from Keflavik Intl to Illinois
Explore the most affordable flight options available from Keflavik Intl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 3, 2025.

This Gotogate deal was found by Cheapflights users on 11/3. 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.
sáb. 12/274:30 pmKEF - ORD
Nonstop6h 50mIcelandair
vie. 1/26:30 pmORD - KEF
Nonstop6h 15mIcelandair
Deal found 11/3$544
This Mytrip deal was found by Cheapflights users on 11/2. 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.
mié. 12/174:30 pmKEF - ORD
Nonstop6h 50mIcelandair
sáb. 1/106:30 pmORD - KEF
Nonstop6h 15mIcelandair
Deal found 11/2$571
This FlightHub deal was found by Cheapflights users on 11/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/174:30 pmKEF - ORD
Nonstop6h 50mIcelandair
lun. 1/56:30 pmORD - KEF
Nonstop6h 15mIcelandair
Deal found 11/3$590
This FlightHub deal was found by Cheapflights users on 11/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/174:30 pmKEF - ORD
Nonstop6h 50mIcelandair
dom. 1/46:30 pmORD - KEF
Nonstop6h 15mIcelandair
Deal found 11/3$615
This Gotogate deal was found by Cheapflights users on 11/3. 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.
mar. 11/184:30 pmKEF - ORD
Nonstop6h 50mIcelandair
mar. 11/256:30 pmORD - KEF
Nonstop6h 15mIcelandair
Deal found 11/3$639
This FlightHub deal was found by Cheapflights users on 11/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/174:45 pmKEF - ORD
1 stop23h 59mMultiple Airlines
sáb. 1/106:30 pmORD - KEF
Nonstop6h 15mMultiple Airlines
Deal found 11/2$736
This FlightHub deal was found by Cheapflights users on 11/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/174:45 pmKEF - ORD
1 stop23h 59mMultiple Airlines
lun. 1/56:30 pmORD - KEF
Nonstop6h 15mMultiple Airlines
Deal found 11/2$746
This oojo deal was found by Cheapflights users on 11/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1711:30 amKEF - ORD
1 stop35h 15mScandinavian Airlines
sáb. 1/107:20 pmORD - KEF
1 stop15h 30mScandinavian Airlines
Deal found 11/2$751
This Trip.com deal was found by Cheapflights users on 11/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/274:30 pmKEF - ORD
Nonstop6h 50mMultiple Airlines
vie. 1/211:51 amORD - KEF
1 stop12h 44mMultiple Airlines
Deal found 11/2$764
This FlightHub deal was found by Cheapflights users on 11/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/175:35 pmKEF - ORD
1 stop29h 10mScandinavian Airlines
lun. 1/57:20 pmORD - KEF
2 stops57h 25mScandinavian Airlines
Deal found 11/3$788
This Icelandair deal was found by Cheapflights users on 11/2. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/174:45 pmKEF - MDW
1 stop20h 05mMultiple Airlines
sáb. 1/1012:50 pmMDW - KEF
2 stops11h 40mMultiple Airlines
Deal found 11/2$923
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/25:00 pmKEF - MDW
1 stop12h 55mMultiple Airlines
jue. 11/66:26 pmMDW - KEF
2 stops56h 49mMultiple Airlines
Deal found 11/2$1,130

Cheapflights Fare Finder

 
Customize your flight search to find flights from Keflavik Intl to Illinois 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 noviembre 3, 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Illinois that are best for you.

Fly from

Keflavik Intl

Fly to

Illinois

Route

Depart

Return

Price

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

vie. 4/3

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

dom. 4/5

10:40 pm-9:45 am

Nonstop6h 05m

$570

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

mié. 12/17

4:45 pm-10:44 am

1 stop23h 59m

Chicago O'Hare Intl

lun. 1/5

6:30 pm-6:45 am

Nonstop6h 15m

$746

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

mié. 12/17

11:30 am-4:45 pm

1 stop35h 15m

Chicago O'Hare Intl

sáb. 1/10

7:20 pm-4:50 pm

1 stop15h 30m

$751

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

sáb. 12/27

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

vie. 1/2

11:51 am-6:35 am

1 stop12h 44m

$764

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

mié. 12/17

11:50 am-4:45 pm

2 stops34h 55m

Chicago O'Hare Intl

dom. 1/4

7:20 pm-10:00 am

2 stops32h 40m

$808

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

mar. 11/18

5:00 pm-10:35 am

1 stop23h 35m

Chicago O'Hare Intl

mar. 11/25

6:30 pm-6:45 am

Nonstop6h 15m

$808

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

mié. 12/17

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

dom. 1/4

6:45 am-4:40 am

1 stop15h 55m

$824

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

mié. 12/17

4:45 pm-6:50 am

1 stop20h 05m

Chicago Midway

sáb. 1/10

12:50 pm-6:30 am

2 stops11h 40m

$923

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

vie. 2/13

6:10 pm-6:03 pm

2 stops29h 53m

Lambert-St Louis

mar. 2/17

6:43 pm-10:55 am

2 stops58h 12m

$948

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

vie. 4/3

11:25 am-12:35 pm

2 stops30h 10m

Chicago Midway

dom. 4/5

1:00 pm-9:30 am

2 stops39h 30m

$952

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 24 results
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Best time to book a flight from Keflavik Intl to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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 Illinois

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

Find hourly flight availability from Keflavik Intl to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Reykjavik Keflavik Intl Airport to Illinois as you normally would.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated noviembre 3, 2025.
Read through reviews of airlines operating flights from Reykjavik Keflavik Intl Airport to Illinois, such as Icelandair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.1
Good
568 reviews

Crew

8.1

Entertainment

7.0

Boarding

7.2

Comfort

7.0

Food

6.2

Overall

7.1

Reviews

1 / 20
8.0
Excellent

Dmitry,Oct 2025

KEF - EWR

It was a nice experience, the plane was clean and the crew was friendly. The boarding process went smoothly and there were no delays.
Icelandair
7.1
Good
568 reviews
Icelandair
7.1
Good
568 reviews

Crew

8.1

Entertainment

7.0

Boarding

7.2

Comfort

7.0

Food

6.2

Overall

7.1

Reviews

1 / 20
8.0
Excellent

Dmitry,Oct 2025

KEF - EWR

It was a nice experience, the plane was clean and the crew was friendly. The boarding process went smoothly and there were no delays.

Related info for your journey

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

  • How long is the flight from Reykjavik Keflavik Intl Airport to Illinois?

    Departing from Reykjavik Keflavik Intl Airport to Illinois will take you 6h 50m. The distance between Reykjavik Keflavik Intl Airport and Illinois is about 2934 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Reykjavik Keflavik Intl Airport to Illinois?

    The most popular route from Reykjavik Keflavik Intl Airport to Illinois is Reykjavik Keflavik Intl - Chicago O'Hare Intl. You may also consider Reykjavik Keflavik Intl - Chicago Midway or Reykjavik Keflavik Intl - Lambert-St Louis.

  • What are the most reliable airlines from Reykjavik Keflavik Intl Airport to Illinois?

    No one likes to see their flight delayed. When booking a flight from Reykjavik Keflavik Intl Airport to Illinois consider choosing Air Canada (96%), Austrian Airlines (96%) or Brussels Airlines (96%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Reykjavik Keflavik Intl Airport to Illinois?

    The cheapest flight price from Reykjavik Keflavik Intl Airport to Illinois is $486. On average you can expect to pay $548. The most popular route, (Reykjavik Keflavik Intl - Chicago O'Hare Intl), can usually be booked for $380.

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

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

  • How can I find direct flights from Keflavik Intl to Illinois?

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

  • Can I find deals for business class flights from Keflavik Intl to Illinois?

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

See more FAQs

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Top airline flying from Keflavik Intl to Illinois

Discover the top airline that operate flights from Keflavik Intl to Illinois. 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 noviembre 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$483Average$591FlexibilityNo cancel feeOn-time76%

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