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Cheap flights from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport to Oslo departing on 10/15. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Oslo

Cheap round-trip flights

Scandinavian Airlines Logo
7:20 pm - 3:20 pmORD-OSL
13h 00m1 stop
Scandinavian Airlines Logo
11:00 am - 4:45 pmOSL-ORD
12h 45m1 stop
$376Scandinavian Airlines
Find Deal
Thu, Nov 6 - Wed, Nov 12
Icelandair Logo
10:15 pm - 12:35 pmORD-OSL
31h 20m1 stop
Icelandair Logo
1:50 pm - 6:15 pmOSL-ORD
11h 25m1 stop
$406Icelandair
Find Deal
Fri, Oct 17 - Sat, Oct 25
Icelandair Logo
7:25 pm - 9:35 pmORD-OSL
19h 10m1 stop
Icelandair Logo
10:30 pm - 6:15 pmOSL-ORD
26h 45m1 stop
$420Icelandair
Find Deal
Sat, Oct 4 - Sun, Oct 12
Iberia Logo
4:45 pm - 2:20 pmORD-OSL
14h 35m1 stop
Iberia Logo
3:00 pm - 2:30 pmOSL-ORD
30h 30m1 stop
$425Iberia
Find Deal
Wed, Dec 10 - Mon, Dec 15
Lufthansa Logo
9:50 pm - 5:40 pmORD-OSL
12h 50m1 stop
Lufthansa Logo
11:50 am - 6:25 pmOSL-ORD
13h 35m1 stop
$427Lufthansa
Find Deal
Wed, Dec 10 - Wed, Dec 17
Scandinavian Airlines Logo
7:15 pm - 10:35 pmORD-OSL
20h 20m1 stop
Scandinavian Airlines Logo
9:50 pm - 4:10 pmOSL-ORD
25h 20m2 stops
$432Scandinavian Airlines
Find Deal
Mon, Oct 20 - Wed, Oct 22
United Airlines Logo
2:30 pm - 5:10 pmORD-OSL
19h 40m2 stops
United Airlines Logo
11:50 am - 6:25 pmOSL-ORD
13h 35m1 stop
$437United Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 17
United Airlines Logo
2:30 pm - 5:10 pmORD-OSL
19h 40m2 stops
United Airlines Logo
11:50 am - 2:10 pmOSL-ORD
33h 20m1 stop
$447United Airlines
Find Deal
Wed, Dec 10 - Tue, Dec 16
British Airways Logo
8:40 pm - 7:15 pmORD-OSL
15h 35m1 stop
British Airways Logo
2:40 pm - 4:15 pmOSL-ORD
31h 35m1 stop
$487British Airways
Find Deal
Wed, Oct 22 - Mon, Oct 27
British Airways Logo
1:43 pm - 10:40 amORD-OSL
13h 57m2 stops
British Airways Logo
11:35 am - 5:00 pmOSL-ORD
12h 25m1 stop
$491British Airways
Find Deal
Wed, Oct 15 - Wed, Oct 22

Icelandair flights from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport

Our best Icelandair deals on Chicago O'Hare Intl Airport to Oslo Gardermoen Airport flight tickets
Icelandair
Oct 17
ORD10:15 pmChicago O'Hare Intl
31h 20m
1 stop
OSL12:35 pmOslo Gardermoen
Oct 25
OSL1:50 pmOslo Gardermoen
11h 25m
1 stop
ORD6:15 pmChicago O'Hare Intl
$406
Find similar
Icelandair
Oct 4
ORD7:25 pmChicago O'Hare Intl
19h 10m
1 stop
OSL9:35 pmOslo Gardermoen
Oct 12
OSL10:30 pmOslo Gardermoen
26h 45m
1 stop
ORD6:15 pmChicago O'Hare Intl
$420
Find similar
Icelandair
Aug 26
ORD10:15 pmChicago O'Hare Intl
10h 10m
1 stop
OSL3:25 pmOslo Gardermoen
Sep 3
OSL1:50 pmOslo Gardermoen
14h 25m
1 stop
ORD9:15 pmChicago O'Hare Intl
$422
Find similar

Scandinavian Airlines flights from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport

Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to Oslo Gardermoen Airport flight tickets
Scandinavian Airlines
Nov 6
ORD7:20 pmChicago O'Hare Intl
13h 00m
1 stop
OSL3:20 pmOslo Gardermoen
Nov 12
OSL11:00 amOslo Gardermoen
12h 45m
1 stop
ORD4:45 pmChicago O'Hare Intl
$376
Find similar
Scandinavian Airlines
Oct 20
ORD7:15 pmChicago O'Hare Intl
20h 20m
1 stop
OSL10:35 pmOslo Gardermoen
Oct 22
OSL9:50 pmOslo Gardermoen
25h 20m
2 stops
ORD4:10 pmChicago O'Hare Intl
$432
Find similar
Scandinavian Airlines
Nov 27
ORD7:20 pmChicago O'Hare Intl
15h 55m
1 stop
OSL6:15 pmOslo Gardermoen
Dec 1
OSL5:55 amOslo Gardermoen
17h 50m
1 stop
ORD4:45 pmChicago O'Hare Intl
$452
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport 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, momondo users made 832,500 searches. Data last updated August 20, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 11/6

7:20 pm-3:20 pm

1 stop13h 00m

Oslo Gardermoen

Wed 11/12

11:00 am-4:45 pm

1 stop12h 45m

$376

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 10/17

10:15 pm-12:35 pm

1 stop31h 20m

Oslo Gardermoen

Sat 10/25

1:50 pm-6:15 pm

1 stop11h 25m

$406

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sat 10/4

7:25 pm-9:35 pm

1 stop19h 10m

Oslo Gardermoen

Sun 10/12

10:30 pm-6:15 pm

1 stop26h 45m

$420

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 12/10

4:45 pm-2:20 pm

1 stop14h 35m

Oslo Gardermoen

Mon 12/15

3:00 pm-2:30 pm

1 stop30h 30m

$425

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 12/10

9:50 pm-5:40 pm

1 stop12h 50m

Oslo Gardermoen

Wed 12/17

11:50 am-6:25 pm

1 stop13h 35m

$427

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 10/20

7:15 pm-10:35 pm

1 stop20h 20m

Oslo Gardermoen

Wed 10/22

9:50 pm-4:10 pm

2 stops25h 20m

$432

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 12/10

2:30 pm-5:10 pm

2 stops19h 40m

Oslo Gardermoen

Wed 12/17

11:50 am-6:25 pm

1 stop13h 35m

$437

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 12/10

2:30 pm-5:10 pm

2 stops19h 40m

Oslo Gardermoen

Tue 12/16

11:50 am-2:10 pm

1 stop33h 20m

$447

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 10/22

8:40 pm-7:15 pm

1 stop15h 35m

Oslo Gardermoen

Mon 10/27

2:40 pm-4:15 pm

1 stop31h 35m

$487

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 10/15

1:43 pm-10:40 am

2 stops13h 57m

Oslo Gardermoen

Wed 10/22

11:35 am-5:00 pm

1 stop12h 25m

$491

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Oslo from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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

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

The cheapest month to fly to Oslo Gardermoen Airport from Chicago O'Hare Intl Airport is in February. Flight prices, which tend to average around $540, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Oslo Gardermoen Airport from Chicago O'Hare Intl Airport during March instead. Flights to Oslo Gardermoen Airport in March, while not as cheap as those in February, still average around $541.

What is the cheapest day to depart on your flight to Oslo Gardermoen Airport?

According to our data, Sunday is the cheapest day to fly to Oslo Gardermoen Airport from Chicago O'Hare Intl Airport. The lowest ticket price found for a Sunday departure recently was $668. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport for around $755.

What is the cheapest time of day to depart on your flight to Oslo Gardermoen Airport?

Our most recent data shows that the best time of day to fly to Oslo Gardermoen Airport is at noon. Flights from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport during this time can be as low as $587. In contrast, the most expensive time of day to depart to Oslo Gardermoen Airport is in the morning when prices are around $730.

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

You are more likely to see cheaper flights to Oslo Gardermoen Airport from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo Gardermoen Airport for around $640 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 O'Hare Intl Airport for as low as $579 on momondo.

How have Chicago O'Hare Intl Airport to Oslo Gardermoen Airport flight prices changed over time?

As of August 2025, prices for Chicago O'Hare Intl Airport to Oslo Gardermoen Airport flights are approximately 32% cheaper when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Oslo Gardermoen Airport (ORD to OSL) flight deals and tips

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

Direct flights

None
There are no direct flights from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport. There are no popular flight routes from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport.
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  • How far is Chicago O'Hare Intl to Oslo Gardermoen by plane?

    A flight from Chicago O'Hare Intl to Oslo Gardermoen will travel around 4038.9 mi. By plane, this route typically takes 10h 05m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport refresh daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Oslo Gardermoen Airport.

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

    The travel and health documents you'll need for your trip to Oslo Gardermoen Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Oslo Gardermoen Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport?

Best airlines flying from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $409Free CancellationRating
7.0
529 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $432Free CancellationRating
7.4
1,471 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $515Free CancellationRating
6.8
7,337 reviews
Search Lufthansa flights
American AirlinesPriceFrom $532Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $540Free CancellationRating
6.7
7,289 reviews
Search British Airways flights
KLMPriceFrom $550Free CancellationRating
7.8
1,388 reviews
Search KLM flights
United AirlinesPriceFrom $550Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
FinnairPriceFrom $552Free CancellationRating
7.6
1,320 reviews
Search Finnair flights
DeltaPriceFrom $562Free CancellationRating
7.9
7,982 reviews
Search Delta flights

Traveling to a place near Oslo?

Book flights to Oslo if you plan to visit one of these locations
Gardermoen
Fredrikstad
Drammen
Lillehammer

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Oslo. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Oslo from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Chicago and Oslo by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Oslo from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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