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 48% 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.

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 12h on average. On the other hand, flying from Moline to Oslo Gardermoen Airport takes 27h 25m 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 is the cheapest airline that flies from Illinois to Oslo?

Icelandair, KLM, and Delta 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 August 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.

$245 Cheap Flights from Illinois to Oslo in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Oslo

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 pm - 11:35 amORD Chicago O'Hare Intl-OSL Oslo Gardermoen

10h 05m1 stop Reykjavik Keflavik Intl

1:10 pm - 5:20 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

11h 10m1 stop Reykjavik Keflavik Intl

$508Icelandair

Tue, Dec 1 - Sat, Dec 5

6:30 pm - 8:35 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

19h 05m1 stop Reykjavik Keflavik Intl

1:10 pm - 5:20 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

11h 10m1 stop Reykjavik Keflavik Intl

$510Icelandair

Sat, Dec 5 - Thu, Dec 10

7:15 pm - 10:30 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

20h 15m1 stop Kastrup Copenhagen

12:10 pm - 4:45 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

11h 35m1 stop Kastrup Copenhagen

$515Scandinavian Airlines

Mon, Feb 1 - Thu, Feb 11

7:15 pm - 5:20 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

15h 05m1 stop Kastrup Copenhagen

10:00 am - 4:45 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

13h 45m1 stop Kastrup Copenhagen

$515Scandinavian Airlines

Mon, Feb 8 - Mon, Feb 15

5:10 pm - 1:35 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

13h 25m1 stop London Heathrow

11:50 am - 6:45 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

13h 55m1 stop London Heathrow

$635British Airways

Sat, Dec 5 - Tue, Dec 8

7:25 pm - 12:35 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

10h 10m1 stop Reykjavik Keflavik Intl

11:40 am - 5:50 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

37h 10m2 stops Vilnius Helsinki-Vantaa

$662Multiple Airlines

Fri, Oct 2 - Sat, Oct 17

3:30 pm - 1:50 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

16h 20m2 stops Minneapolis St Paul London Heathrow

12:35 pm - 2:25 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

32h 50m1 stop Amsterdam Schiphol

$731Delta

Tue, Oct 27 - Tue, Nov 17

3:40 pm - 1:50 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

16h 10m2 stops Atlanta Hartsfield-Jackson London Heathrow

6:05 am - 2:25 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

15h 20m1 stop Amsterdam Schiphol

$731Delta

Tue, Oct 27 - Thu, Nov 12

7:15 pm - 7:25 pmORD Chicago O'Hare Intl-TRF Oslo Sandefjord

17h 10m2 stops Kastrup Copenhagen Riga Intl

7:50 pm - 4:10 pmTRF Oslo Sandefjord-ORD Chicago O'Hare Intl

27h 20m2 stops Riga Intl Kastrup Copenhagen

$740Multiple Airlines

Mon, Sep 14 - Tue, Sep 29

1:25 pm - 11:30 pmSTL Lambert-St Louis-OSL Oslo Gardermoen

27h 05m2 stops Philadelphia London Heathrow

5:05 pm - 9:44 pmOSL Oslo Gardermoen-STL Lambert-St Louis

35h 39m2 stops London Heathrow Philadelphia

$1,777British Airways

Sat, Sep 19 - Mon, Sep 28

Cheap last minute flights

Enter your travel dates to find the best prices.

10:25 pm - 3:25 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

10h 00m1 stop Reykjavik Keflavik Intl

1:50 pm - 9:25 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

14h 35m1 stop Reykjavik Keflavik Intl

$643Icelandair

Tue, Aug 18 - Tue, Sep 1

10:25 pm - 3:25 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

10h 00m1 stop Reykjavik Keflavik Intl

4:30 pm - 9:25 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

11h 55m1 stop Reykjavik Keflavik Intl

$643Icelandair

Tue, Aug 18 - Mon, Aug 31

7:50 pm - 5:50 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

15h 00m1 stop Lisbon Humberto Delgado

12:50 pm - 4:00 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

34h 10m1 stop Lisbon Humberto Delgado

$757TAP AIR PORTUGAL

Thu, Aug 20 - Thu, Aug 27

2:20 pm - 5:20 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

20h 00m1 stop Zurich

5:35 am - 12:35 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

14h 00m1 stop Zurich

$761SWISS

Thu, Aug 20 - Sun, Aug 30

6:00 pm - 5:55 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

16h 55m1 stop Munich Franz Josef Strauss

9:55 am - 7:55 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

17h 00m1 stop Frankfurt am Main

$767United Airlines

Fri, Aug 21 - Tue, Sep 1

6:00 pm - 5:55 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

16h 55m1 stop Munich Franz Josef Strauss

9:55 am - 7:55 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

17h 00m1 stop Frankfurt am Main

$767United Airlines

Fri, Aug 21 - Fri, Aug 28

5:20 pm - 4:30 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

16h 10m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

2:10 pm - 11:57 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

16h 47m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$779Delta

Tue, Aug 18 - Tue, Sep 1

4:05 pm - 3:45 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

16h 40m1 stop Frankfurt am Main

1:10 pm - 7:55 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

13h 45m1 stop Frankfurt am Main

$779Lufthansa

Tue, Aug 18 - Tue, Sep 1

10:30 pm - 6:15 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

12h 45m1 stop Frankfurt am Main

7:05 pm - 12:55 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

24h 50m1 stop Frankfurt am Main

$798Lufthansa

Thu, Aug 20 - Mon, Aug 31

3:19 pm - 1:40 pmORD Chicago O'Hare Intl-OSL Oslo Gardermoen

15h 21m2 stops Boston Logan Intl Amsterdam Schiphol

9:20 am - 2:15 pmOSL Oslo Gardermoen-ORD Chicago O'Hare Intl

11h 55m1 stop Amsterdam Schiphol

$823Delta

Fri, Aug 21 - Thu, Aug 27

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KLM flights from Illinois to Oslo

Our best KLM deals on Illinois to Oslo flight tickets

KLM

Oct 15

MDW1:27 pmChicago Midway

12h 18m

2 stops

OSL8:45 amOslo Gardermoen

Nov 3

OSL7:45 amOslo Gardermoen

17h 15m

2 stops

MDW6:00 pmChicago Midway

$787

KLM

Oct 28

MDW1:27 pmChicago Midway

13h 18m

2 stops

OSL8:45 amOslo Gardermoen

Nov 14

OSL9:30 amOslo Gardermoen

15h 34m

2 stops

MDW6:04 pmChicago Midway

$803

KLM

Oct 29

MDW1:27 pmChicago Midway

13h 18m

2 stops

OSL8:45 amOslo Gardermoen

Nov 14

OSL9:30 amOslo Gardermoen

15h 34m

2 stops

MDW6:04 pmChicago Midway

$853

Air Canada flights from Illinois to Oslo

Our best Air Canada deals on Illinois to Oslo flight tickets

Air Canada

Aug 26

ORD8:40 amChicago O'Hare Intl

25h 35m

2 stops

OSL5:15 pmOslo Gardermoen

Sep 11

OSL7:15 amOslo Gardermoen

31h 45m

2 stops

ORD8:00 amChicago O'Hare Intl

$780

Air Canada

Aug 26

ORD8:40 amChicago O'Hare Intl

25h 35m

2 stops

OSL5:15 pmOslo Gardermoen

Sep 14

OSL6:05 pmOslo Gardermoen

32h 43m

2 stops

ORD7:48 pmChicago O'Hare Intl

$792

Air Canada

Aug 30

ORD11:05 amChicago O'Hare Intl

23h 10m

2 stops

OSL5:15 pmOslo Gardermoen

Sep 10

OSL9:55 amOslo Gardermoen

16h 53m

2 stops

ORD7:48 pmChicago O'Hare Intl

$809

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoOslo

ORD Chicago O'Hare Intl - OSL Oslo Gardermoen

ORDOSL

Chicago O'Hare Intl

Tue 12/1

6:30 pm-11:35 am

1 stop10h 05m

Oslo Gardermoen

Sat 12/5

1:10 pm-5:20 pm

1 stop11h 10m

$508

ChicagoOslo

ORD Chicago O'Hare Intl - OSL Oslo Gardermoen

ORDOSL

Chicago O'Hare Intl

Sat 12/5

6:30 pm-8:35 pm

1 stop19h 05m

Oslo Gardermoen

Thu 12/10

1:10 pm-5:20 pm

1 stop11h 10m

$510

ChicagoOslo

ORD Chicago O'Hare Intl - OSL Oslo Gardermoen

ORDOSL

Chicago O'Hare Intl

Mon 2/1

7:15 pm-10:30 pm

1 stop20h 15m

Oslo Gardermoen

Thu 2/11

12:10 pm-4:45 pm

1 stop11h 35m

$515

ChicagoOslo

ORD Chicago O'Hare Intl - OSL Oslo Gardermoen

ORDOSL

Chicago O'Hare Intl

Mon 2/8

7:15 pm-5:20 pm

1 stop15h 05m

Oslo Gardermoen

Mon 2/15

10:00 am-4:45 pm

1 stop13h 45m

$515

ChicagoOslo

ORD Chicago O'Hare Intl - OSL Oslo Gardermoen

ORDOSL

Chicago O'Hare Intl

Sat 12/5

5:10 pm-1:35 pm

1 stop13h 25m

Oslo Gardermoen

Tue 12/8

11:50 am-6:45 pm

1 stop13h 55m

$635

ChicagoOslo

ORD Chicago O'Hare Intl - OSL Oslo Gardermoen

ORDOSL

Chicago O'Hare Intl

Fri 10/2

7:25 pm-12:35 pm

1 stop10h 10m

Oslo Gardermoen

Sat 10/17

11:40 am-5:50 pm

2 stops37h 10m

$662

ChicagoOslo

ORD Chicago O'Hare Intl - OSL Oslo Gardermoen

ORDOSL

Chicago O'Hare Intl

Tue 10/27

3:30 pm-1:50 pm

2 stops16h 20m

Oslo Gardermoen

Tue 11/17

12:35 pm-2:25 pm

1 stop32h 50m

$731

ChicagoOslo

ORD Chicago O'Hare Intl - OSL Oslo Gardermoen

ORDOSL

Chicago O'Hare Intl

Tue 10/27

3:40 pm-1:50 pm

2 stops16h 10m

Oslo Gardermoen

Thu 11/12

6:05 am-2:25 pm

1 stop15h 20m

$731

ChicagoOslo

ORD Chicago O'Hare Intl - TRF Oslo Sandefjord

ORDTRF

Chicago O'Hare Intl

Mon 9/14

7:15 pm-7:25 pm

2 stops17h 10m

Oslo Sandefjord

Tue 9/29

7:50 pm-4:10 pm

2 stops27h 20m

$740

St. LouisOslo

STL Lambert-St Louis - OSL Oslo Gardermoen

STLOSL

Lambert-St Louis

Sat 9/19

1:25 pm-11:30 pm

2 stops27h 05m

Oslo Gardermoen

Mon 9/28

5:05 pm-9:44 pm

2 stops35h 39m

$1,777

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 January is, on average, the cheapest month to fly to Oslo from Illinois, with most prices found around $437. If you’re not able to fly to Oslo in January, then February is your next best option. Flight prices from Illinois to Oslo during February average around $468.

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 $629 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 $580 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 05m
Direct flights	None

The fastest flight from Illinois to Oslo takes 10h 05m

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 August 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 $388	Free Cancellation	Rating 7.4 1,952 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $394	Free Cancellation	Rating 6.9 732 reviews	Search Icelandair flights
American Airlines	PriceFrom $505	Free Cancellation	Rating 7.1 11,948 reviews	Search American Airlines flights
Delta	PriceFrom $510	Free Cancellation	Rating 7.8 8,504 reviews	Search Delta flights
KLM	PriceFrom $516	Free Cancellation	Rating 7.8 1,558 reviews	Search KLM flights
Lufthansa	PriceFrom $524	Free Cancellation	Rating 6.8 8,196 reviews	Search Lufthansa flights
United Airlines	PriceFrom $527	Free Cancellation	Rating 7.4 10,107 reviews	Search United Airlines 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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Fly into one of these airports located in Oslo

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Cheap flights from Illinois to Oslo from $245

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 8/24. 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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KLM flights from Illinois to Oslo

Our best KLM deals on Illinois to Oslo flight tickets

Air Canada flights from Illinois to Oslo

Our best Air Canada deals on Illinois to Oslo flight tickets

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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

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

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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Popular flights according to clicks in the last 7 days on momondo

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