What is the cheapest airline that flies from Chicago to Oslo Gardermoen?

Delta, SWISS, and American Airlines are the most popular carriers operating from Chicago to Oslo Gardermoen

How often are flights from Chicago to Oslo delayed?

Historically, on average around 35% of flights between Chicago and Oslo have experienced a delay on any given week. The average delay length over the past 12 months has been 242 minutes.

Which airline has the best punctuality record on Chicago to Oslo flights?

According to our data, Atlas Air have had the least number of delays on this route over the last 12 months; with about 41% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Chicago and Oslo Gardermoen Airport?

Reykjavik (KEF) was the most common stop: 63% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Chicago to Oslo Gardermoen Airport?

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $514.

Which layover airport has the shortest connection time from Chicago to Oslo Gardermoen Airport?

Helsinki (HEL) has the shortest average layover time for this route: 1h 33m.

What is the most punctual flight time for Chicago to Oslo flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Which layover airport has the shortest travel time from Chicago to Oslo Gardermoen Airport?

Flights connecting via Copenhagen (CPH) have the shortest average one-way travel time: 11h 02m.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

What airlines fly to Oslo Gardermoen Airport?

Icelandair, Scandinavian Airlines and United Airlines are the top three most popular airlines that fly to Oslo Gardermoen Airport from Chicago 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 Gardermoen Airport. Keep in mind that there are 9 different airlines that fly to Oslo Gardermoen Airport on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Chicago to Oslo Gardermoen Airport?

Prices for flights from Chicago to Oslo Gardermoen Airport refresh daily.

How many operators does momondo search for flights from Chicago to Oslo Gardermoen Airport?

As of April 2026, there are 9 operators available to choose from for flights from Chicago to Oslo Gardermoen Airport.

How old do you have to be to fly from Chicago to Oslo Gardermoen Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Oslo Gardermoen Airport.

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

The travel and health documents required for your trip to Oslo Gardermoen Airport 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 Gardermoen Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$358 Cheap Flights from Chicago to Oslo Gardermoen Airport in 2026

Q: What is the typical price of a round-trip flight between Chicago and Oslo Gardermoen Airport?

Prices are currently low for flights on this route. Typical prices usually range from $812 to $575. The lowest price recently found on this route was $675.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Chicago to Oslo

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 pm - 10:00 am

ORD

OSL

30h 50m

1 stop

11:55 am - 11:05 am

OSL

ORD

29h 10m

1 stop

$675Turkish Airlines

Thu, Oct 15 - Wed, Oct 28

11:25 am - 10:50 am

ORD

OSL

16h 25m

1 stop

7:15 am - 9:40 am

OSL

ORD

33h 25m

1 stop

$679Turkish Airlines

Thu, Sep 17 - Fri, Oct 2

7:05 pm - 12:10 am

ORD

OSL

22h 05m

1 stop

5:35 am - 12:35 pm

OSL

ORD

14h 00m

1 stop

$690SWISS

Thu, Aug 13 - Mon, Aug 24

11:25 am - 10:50 am

ORD

OSL

16h 25m

1 stop

12:15 pm - 9:40 am

OSL

ORD

28h 25m

1 stop

$691Turkish Airlines

Thu, Sep 17 - Fri, Oct 2

7:05 pm - 12:10 am

ORD

OSL

22h 05m

1 stop

5:35 am - 12:35 pm

OSL

ORD

14h 00m

1 stop

$706SWISS

Fri, Aug 14 - Mon, Aug 24

7:25 pm - 12:35 pm

ORD

OSL

10h 10m

1 stop

1:50 pm - 6:15 pm

OSL

ORD

11h 25m

1 stop

$708Icelandair

Fri, Oct 9 - Sun, Oct 18

7:05 pm - 12:10 am

ORD

OSL

22h 05m

1 stop

9:55 am - 9:00 am

OSL

ORD

30h 05m

2 stops

$720Multiple Airlines

Fri, Aug 14 - Mon, Aug 24

7:05 pm - 11:25 pm

ORD

OSL

21h 20m

1 stop

8:35 am - 5:50 pm

OSL

ORD

16h 15m

1 stop

$722Multiple Airlines

Mon, Aug 24 - Fri, Sep 4

5:59 pm - 4:40 pm

MDW

OSL

15h 41m

2 stops

6:30 am - 4:27 pm

OSL

MDW

16h 57m

2 stops

$750Delta

Fri, Aug 14 - Mon, Aug 24

5:59 pm - 4:40 pm

MDW

OSL

15h 41m

2 stops

6:30 am - 6:31 pm

OSL

MDW

19h 01m

2 stops

$751Delta

Fri, Aug 14 - Mon, Aug 24

Lufthansa flights from Chicago to Oslo Gardermoen Airport

Our best Lufthansa deals on Chicago to Oslo Gardermoen Airport flight tickets

Lufthansa

May 4

ORD9:40 pmChicago O'Hare Intl

13h 15m

1 stop

OSL5:55 pmOslo Gardermoen

May 11

OSL1:05 pmOslo Gardermoen

13h 50m

1 stop

ORD7:55 pmChicago O'Hare Intl

$707

Lufthansa

May 11

ORD3:35 pmChicago O'Hare Intl

12h 20m

1 stop

OSL10:55 amOslo Gardermoen

May 18

OSL6:45 amOslo Gardermoen

13h 10m

1 stop

ORD12:55 pmChicago O'Hare Intl

$739

Lufthansa

Aug 21

ORD10:30 pmChicago O'Hare Intl

18h 25m

1 stop

OSL11:55 pmOslo Gardermoen

Sep 4

OSL6:25 amOslo Gardermoen

13h 30m

1 stop

ORD12:55 pmChicago O'Hare Intl

$752

Finnair flights from Chicago to Oslo Gardermoen Airport

Our best Finnair deals on Chicago to Oslo Gardermoen Airport flight tickets

Finnair

Aug 24

ORD5:30 pmChicago O'Hare Intl

19h 15m

2 stops

OSL7:45 pmOslo Gardermoen

Sep 4

OSL12:50 pmOslo Gardermoen

12h 00m

1 stop

ORD5:50 pmChicago O'Hare Intl

$737

Finnair

Sep 3

ORD9:30 pmChicago O'Hare Intl

15h 15m

1 stop

OSL7:45 pmOslo Gardermoen

Sep 10

OSL8:35 amOslo Gardermoen

16h 15m

1 stop

ORD5:50 pmChicago O'Hare Intl

$770

momondo Fare Finder

Use the filters below to find and compare flights from Chicago to Oslo Gardermoen Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 10/15

8:10 pm-10:00 am

1 stop30h 50m

Oslo Gardermoen

Wed 10/28

11:55 am-11:05 am

1 stop29h 10m

$675

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 9/17

11:25 am-10:50 am

1 stop16h 25m

Oslo Gardermoen

Fri 10/2

7:15 am-9:40 am

1 stop33h 25m

$679

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 8/13

7:05 pm-12:10 am

1 stop22h 05m

Oslo Gardermoen

Mon 8/24

5:35 am-12:35 pm

1 stop14h 00m

$690

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 9/17

11:25 am-10:50 am

1 stop16h 25m

Oslo Gardermoen

Fri 10/2

12:15 pm-9:40 am

1 stop28h 25m

$691

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 8/14

7:05 pm-12:10 am

1 stop22h 05m

Oslo Gardermoen

Mon 8/24

5:35 am-12:35 pm

1 stop14h 00m

$706

Quickest round-trip

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 10/9

7:25 pm-12:35 pm

1 stop10h 10m

Oslo Gardermoen

Sun 10/18

1:50 pm-6:15 pm

1 stop11h 25m

$708

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 8/14

7:05 pm-12:10 am

1 stop22h 05m

Oslo Gardermoen

Mon 8/24

9:55 am-9:00 am

2 stops30h 05m

$720

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 8/24

7:05 pm-11:25 pm

1 stop21h 20m

Oslo Gardermoen

Fri 9/4

8:35 am-5:50 pm

1 stop16h 15m

$722

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

Fri 8/14

5:59 pm-4:40 pm

2 stops15h 41m

Oslo Gardermoen

Mon 8/24

6:30 am-4:27 pm

2 stops16h 57m

$750

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

Fri 8/14

5:59 pm-4:40 pm

2 stops15h 41m

Oslo Gardermoen

Mon 8/24

6:30 am-6:31 pm

2 stops19h 01m

$751

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 Chicago to Oslo Gardermoen Airport

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

Delays

Layovers

What is the typical price of a round-trip flight between Chicago and Oslo Gardermoen Airport?

What is the cheapest month to fly to Oslo Gardermoen Airport?

The cheapest month to fly to Oslo Gardermoen Airport from Chicago is in September. Flight prices, which tend to average around $225, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Oslo Gardermoen Airport from Chicago during March instead. Flights to Oslo Gardermoen Airport in March, while not as cheap as those in September, still average around $236.

How far in advance should I book a flight from Chicago to Oslo Gardermoen Airport?

You are more likely to see cheaper flights to Oslo Gardermoen Airport from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo Gardermoen Airport for around $596 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oslo Gardermoen Airport from Chicago for as low as $509 on momondo.

Can stopping save me money on Chicago to Oslo Gardermoen Airport flights?

You could potentially save up to 85% on your flight if you consider stops on a Chicago to Oslo Gardermoen Airport flight.

How have Chicago to Oslo Gardermoen Airport flight prices changed over time?

As of April 2026, prices for Chicago to Oslo Gardermoen Airport flights are approximately 36% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Oslo Gardermoen Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Oslo Gardermoen Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Oslo Gardermoen Airport (CHI to OSL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Oslo Gardermoen Airport

Fastest flight time	12h 15m
Direct flights	None

The fastest flight from Chicago to Oslo Gardermoen Airport takes 12h 15m

There are no direct flights from Chicago to Oslo Gardermoen Airport. There are no popular flight routes from Chicago to Oslo Gardermoen Airport.

Search flight deals

Frequently asked questions about flying from Chicago to Oslo Gardermoen Airport

How far is Chicago to Oslo Gardermoen by plane?
There are 4036.6 mi between Chicago and Oslo Gardermoen. 12h 15m is a normal flight duration for this route.
When did momondo last update prices for flights from Chicago to Oslo Gardermoen Airport?
Prices for flights from Chicago to Oslo Gardermoen Airport refresh daily.
How many operators does momondo search for flights from Chicago to Oslo Gardermoen Airport?
As of April 2026, there are 9 operators available to choose from for flights from Chicago to Oslo Gardermoen Airport.
How old do you have to be to fly from Chicago to Oslo Gardermoen Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Oslo Gardermoen Airport.
What documentation or ID do you need to fly to Oslo Gardermoen Airport?
The travel and health documents required for your trip to Oslo Gardermoen Airport 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 Gardermoen Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Chicago to Oslo Gardermoen Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago to Oslo Gardermoen Airport is Icelandair (42% of total bookings). The next most popular airlines are Scandinavian Airlines (28%), United Airlines (10%), and KLM (7%).

Best airlines flying from Chicago to Oslo Gardermoen Airport

Compare and see reviews for airlines that fly from Chicago to Oslo Gardermoen Airport with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $236	Free Cancellation	Rating 6.7 7,931 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $384	Free Cancellation	Rating 7.4 1,762 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $397	Free Cancellation	Rating 7.0 646 reviews	Search Icelandair flights
Lufthansa	PriceFrom $494	Free Cancellation	Rating 6.8 7,960 reviews	Search Lufthansa flights
American Airlines	PriceFrom $505	Free Cancellation	Rating 7.1 11,678 reviews	Search American Airlines flights
Delta	PriceFrom $513	Free Cancellation	Rating 7.9 8,465 reviews	Search Delta flights
SWISS	PriceFrom $513	Free Cancellation	Rating 7.5 1,924 reviews	Search SWISS flights
United Airlines	PriceFrom $527	Free Cancellation	Rating 7.4 9,680 reviews	Search United Airlines flights
KLM	PriceFrom $544	Free Cancellation	Rating 7.8 1,510 reviews	Search KLM flights

Gardermoen

Fredrikstad

Lillehammer

Drammen

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Oslo. momondo saves you time and could save you money on your trip.

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

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

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

momondo provides multiple filters to help you find the best flight to Oslo from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Oslo from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Oslo Gardermoen Airport 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Fri 5/29

Fri 6/5

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Oslo

Popular cities

Other flights from Chicago

Other flights to Oslo

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Norway

Flights to Oslo Sandefjord Airportfrom $555

Cheap flights from Chicago to Oslo from $332

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Oslo departing on 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Chicago to Oslo

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Lufthansa flights from Chicago to Oslo Gardermoen Airport

Our best Lufthansa deals on Chicago to Oslo Gardermoen Airport flight tickets

Finnair flights from Chicago to Oslo Gardermoen Airport

Our best Finnair deals on Chicago to Oslo Gardermoen Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Chicago to Oslo Gardermoen Airport that are best for you.

See travel insights to Oslo from

How to get the cheapest flight ticket from Chicago to Oslo Gardermoen Airport

What is the typical price of a round-trip flight between Chicago and Oslo Gardermoen Airport?

What is the cheapest month to fly to Oslo Gardermoen Airport?

How far in advance should I book a flight from Chicago to Oslo Gardermoen Airport?

Can stopping save me money on Chicago to Oslo Gardermoen Airport flights?

How have Chicago to Oslo Gardermoen Airport flight prices changed over time?

What is the cheapest airline that flies from Chicago to Oslo Gardermoen?

What airlines fly to Oslo Gardermoen Airport?

How often are flights from Chicago to Oslo delayed?

What is the most punctual flight time for Chicago to Oslo flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Chicago to Oslo flights?

Which airport is the most popular layover for flights between Chicago and Oslo Gardermoen Airport?

Which layover airport offers the lowest fares from Chicago to Oslo Gardermoen Airport?

Which layover airport has the shortest travel time from Chicago to Oslo Gardermoen Airport?

Which layover airport has the shortest connection time from Chicago to Oslo Gardermoen Airport?

When to book flights from Chicago to Oslo Gardermoen Airport

Cheap Chicago to Oslo Gardermoen Airport (CHI to OSL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Oslo Gardermoen Airport

Fastest flight time

Direct flights

Frequently asked questions about flying from Chicago to Oslo Gardermoen Airport

Best airlines flying from Chicago to Oslo Gardermoen Airport

Compare and see reviews for airlines that fly from Chicago to Oslo Gardermoen Airport with momondo

Traveling to a place near Oslo?

Why use momondo?

An easier way to manage your Oslo Gardermoen Airport 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 Oslo

Popular cities in Norway

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

Chicago flight routes

According to popular flight searches on momondo this year

Oslo Gardermoen Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Oslo

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

Cabin classes currently available on flights to Oslo

List of cabin classes available on flights landing in Oslo. Availability may vary depending on flight origin and airline.

Complete your trip to Oslo

Explore popular destinations other users love

According to popular flight searches on momondo this year