How long does it take to fly to Oslo?

Flight times vary depending on what airport in Illinois you fly out of and what airport in Oslo you fly into. For example, flying from Chicago to Oslo Gardermoen Airport takes 11h 16m on average. On the other hand, flying from Peoria to Oslo Gardermoen Airport takes 17h 52m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What airlines fly to Oslo?

Icelandair, Scandinavian Airlines and United Airlines are the top three most popular airlines that fly to Oslo from Illinois according to our data. Icelandair is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Oslo. Keep in mind that there are 7 different airlines that fly to Oslo on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Illinois to Oslo?

British Airways, Delta, and United Airlines are the most popular carriers operating from Illinois to Oslo

When did momondo last update prices for flights from Illinois to Oslo?

Prices for flights from Illinois to Oslo refresh daily.

How many operators does momondo search for flights from Illinois to Oslo?

As of May 2026, there are 8 operators available to choose from for flights from Illinois to Oslo.

How old do you have to be to fly from Illinois to Oslo?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Oslo.

What documentation or ID do you need to fly to Oslo?

The travel and health documents required for your trip to Oslo can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Oslo. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$267 Cheap Flights from Illinois to Oslo in 2026

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Find the cheapest flights from Illinois to Oslo

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 pm - 11:35 am

ORD

OSL

10h 05m

1 stop

11:20 am - 6:45 pm

OSL

ORD

14h 25m

1 stop

$676Multiple Airlines

Sun, Nov 1 - Sat, Nov 14

6:30 pm - 11:35 am

ORD

OSL

10h 05m

1 stop

7:10 am - 5:38 pm

OSL

ORD

17h 28m

2 stops

$686Multiple Airlines

Sun, Nov 1 - Sat, Nov 14

8:10 pm - 10:00 am

ORD

OSL

30h 50m

1 stop

6:50 pm - 9:40 am

OSL

ORD

21h 50m

1 stop

$692Turkish Airlines

Tue, Sep 29 - Thu, Oct 8

7:25 pm - 3:25 pm

ORD

OSL

13h 00m

1 stop

1:10 pm - 6:20 pm

OSL

ORD

11h 10m

1 stop

$700Icelandair

Fri, Oct 16 - Sun, Oct 25

11:25 am - 10:50 am

ORD

OSL

16h 25m

1 stop

7:30 am - 11:05 am

OSL

ORD

33h 35m

1 stop

$705Turkish Airlines

Thu, Oct 15 - Wed, Oct 28

2:20 pm - 5:20 pm

ORD

OSL

20h 00m

1 stop

5:35 am - 12:35 pm

OSL

ORD

14h 00m

1 stop

$706SWISS

Thu, Aug 13 - Mon, Aug 24

7:50 pm - 5:50 pm

ORD

OSL

15h 00m

1 stop

12:50 pm - 4:00 pm

OSL

ORD

34h 10m

1 stop

$708TAP AIR PORTUGAL

Thu, Aug 20 - Thu, Aug 27

7:50 pm - 5:50 pm

ORD

OSL

15h 00m

1 stop

12:50 pm - 4:00 pm

OSL

ORD

34h 10m

1 stop

$709TAP AIR PORTUGAL

Thu, Aug 20 - Thu, Sep 3

11:25 am - 10:50 am

ORD

OSL

16h 25m

1 stop

10:55 am - 9:40 am

OSL

ORD

29h 45m

1 stop

$714Turkish Airlines

Thu, Sep 3 - Thu, Sep 10

2:20 pm - 12:10 am

ORD

OSL

26h 50m

1 stop

5:35 am - 4:57 pm

OSL

ORD

18h 22m

2 stops

$718Multiple Airlines

Sun, Aug 16 - Sat, Aug 22

Lufthansa flights from Illinois to Oslo

Our best Lufthansa deals on Illinois to Oslo flight tickets

Lufthansa

Aug 12

ORD9:40 pmChicago O'Hare Intl

17h 25m

1 stop

OSL10:05 pmOslo Gardermoen

Aug 20

OSL6:45 amOslo Gardermoen

20h 10m

1 stop

ORD7:55 pmChicago O'Hare Intl

$728

Lufthansa

Aug 16

ORD9:40 pmChicago O'Hare Intl

17h 25m

1 stop

OSL10:05 pmOslo Gardermoen

Aug 22

OSL7:15 amOslo Gardermoen

18h 00m

1 stop

ORD6:15 pmChicago O'Hare Intl

$731

Lufthansa

Aug 5

ORD10:30 pmChicago O'Hare Intl

12h 55m

1 stop

OSL6:25 pmOslo Gardermoen

Aug 19

OSL6:35 amOslo Gardermoen

20h 20m

1 stop

ORD7:55 pmChicago O'Hare Intl

$733

United Airlines flights from Illinois to Oslo

Our best United Airlines deals on Illinois to Oslo flight tickets

United Airlines

Aug 5

ORD6:00 pmChicago O'Hare Intl

16h 15m

1 stop

OSL5:15 pmOslo Gardermoen

Aug 19

OSL6:35 amOslo Gardermoen

20h 30m

2 stops

ORD8:05 pmChicago O'Hare Intl

$742

United Airlines

Aug 5

ORD6:00 pmChicago O'Hare Intl

16h 15m

1 stop

OSL5:15 pmOslo Gardermoen

Aug 19

OSL6:35 amOslo Gardermoen

20h 30m

2 stops

ORD8:05 pmChicago O'Hare Intl

$743

United Airlines

Aug 14

ORD6:00 pmChicago O'Hare Intl

21h 05m

1 stop

OSL10:05 pmOslo Gardermoen

Aug 24

OSL6:45 amOslo Gardermoen

17h 12m

2 stops

ORD4:57 pmChicago O'Hare Intl

$747

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sun 11/1

6:30 pm-11:35 am

1 stop10h 05m

Oslo Gardermoen

Sat 11/14

11:20 am-6:45 pm

1 stop14h 25m

$676

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sun 11/1

6:30 pm-11:35 am

1 stop10h 05m

Oslo Gardermoen

Sat 11/14

7:10 am-5:38 pm

2 stops17h 28m

$686

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 9/29

8:10 pm-10:00 am

1 stop30h 50m

Oslo Gardermoen

Thu 10/8

6:50 pm-9:40 am

1 stop21h 50m

$692

Quickest round-trip

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 10/16

7:25 pm-3:25 pm

1 stop13h 00m

Oslo Gardermoen

Sun 10/25

1:10 pm-6:20 pm

1 stop11h 10m

$700

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 10/15

11:25 am-10:50 am

1 stop16h 25m

Oslo Gardermoen

Wed 10/28

7:30 am-11:05 am

1 stop33h 35m

$705

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 8/13

2:20 pm-5:20 pm

1 stop20h 00m

Oslo Gardermoen

Mon 8/24

5:35 am-12:35 pm

1 stop14h 00m

$706

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 8/20

7:50 pm-5:50 pm

1 stop15h 00m

Oslo Gardermoen

Thu 8/27

12:50 pm-4:00 pm

1 stop34h 10m

$708

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 8/20

7:50 pm-5:50 pm

1 stop15h 00m

Oslo Gardermoen

Thu 9/3

12:50 pm-4:00 pm

1 stop34h 10m

$709

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 9/3

11:25 am-10:50 am

1 stop16h 25m

Oslo Gardermoen

Thu 9/10

10:55 am-9:40 am

1 stop29h 45m

$714

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sun 8/16

2:20 pm-12:10 am

1 stop26h 50m

Oslo Gardermoen

Sat 8/22

5:35 am-4:57 pm

2 stops18h 22m

$718

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Oslo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Oslo?

The month of September is, on average, the cheapest month to fly to Oslo from Illinois, with most prices found around $225. If you’re not able to fly to Oslo in September, then March is your next best option. Flight prices from Illinois to Oslo during March average around $236.

How far in advance should I book a flight from Illinois to Oslo?

You are more likely to see cheaper flights to Oslo from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo for around $599 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oslo from Illinois for as low as $494 on momondo.

Cheap Illinois to Oslo flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Oslo

Fastest flight time	10h 10m
Direct flights	None

The fastest flight from Illinois to Oslo takes 10h 10m

There are no direct flights from Illinois to Oslo. There are no popular flight routes from Illinois to Oslo.

Search flight deals

Frequently asked questions about flying from Illinois to Oslo

When did momondo last update prices for flights from Illinois to Oslo?
Prices for flights from Illinois to Oslo refresh daily.
How many operators does momondo search for flights from Illinois to Oslo?
As of May 2026, there are 8 operators available to choose from for flights from Illinois to Oslo.
How old do you have to be to fly from Illinois to Oslo?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Oslo.
What documentation or ID do you need to fly to Oslo?
The travel and health documents required for your trip to Oslo can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Oslo. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Illinois to Oslo

Compare and see reviews for airlines that fly from Illinois to Oslo with momondo

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $384	Free Cancellation	Rating 7.4 1,775 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $397	Free Cancellation	Rating 7.0 654 reviews	Search Icelandair flights
Lufthansa	PriceFrom $494	Free Cancellation	Rating 6.8 7,993 reviews	Search Lufthansa flights
American Airlines	PriceFrom $505	Free Cancellation	Rating 7.1 11,663 reviews	Search American Airlines flights
Delta	PriceFrom $513	Free Cancellation	Rating 7.9 8,452 reviews	Search Delta flights
United Airlines	PriceFrom $527	Free Cancellation	Rating 7.4 9,706 reviews	Search United Airlines flights
KLM	PriceFrom $544	Free Cancellation	Rating 7.8 1,517 reviews	Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Oslo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Oslo from Illinois.

Can I find flights from Illinois to Oslo with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Oslo flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Oslo?

Once all potential Illinois to Oslo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Illinois to Oslo right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Illinois to Oslo flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Illinois to Oslo from $267

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Oslo departing on 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Illinois to Oslo

What is the cheapest month to fly to Oslo?

How far in advance should I book a flight from Illinois to Oslo?

What is the cheapest airline that flies from Illinois to Oslo?

What airlines fly to Oslo?

How long does it take to fly to Oslo?

Cheap Illinois to Oslo flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Oslo

Fastest flight time

Direct flights

Frequently asked questions about flying from Illinois to Oslo

Best airlines flying from Illinois to Oslo

Compare and see reviews for airlines that fly from Illinois to Oslo with momondo

Why use momondo?

An easier way to manage your Oslo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Norway

Fly into one of these airports located in Oslo

Airports listed have a maximum distance of 53.1 mi from Oslo

Fly your favorite airline to Oslo

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