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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 - 2:05 pmORD-TRF
11h 45m1 stop
Scandinavian Airlines Logo
2:35 pm - 4:45 pmTRF-ORD
33h 10m1 stop
$375Scandinavian Airlines
Find Deal
Thu, Nov 6 - Wed, Nov 12
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
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
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
Lufthansa Logo
6:35 pm - 3:05 pmORD-TRF
37h 30m2 stops
Lufthansa Logo
9:00 am - 7:55 pmTRF-ORD
17h 55m2 stops
$950Lufthansa
Find Deal
Fri, Oct 17 - Sat, Oct 25

Icelandair flights from Chicago O'Hare Intl Airport to Oslo

Our best Icelandair deals on Chicago O'Hare Intl Airport to Oslo 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

Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to Oslo flight tickets
Scandinavian Airlines
Nov 6
ORD7:20 pmChicago O'Hare Intl
11h 45m
1 stop
TRF2:05 pmOslo Sandefjord
Nov 12
TRF2:35 pmOslo Sandefjord
33h 10m
1 stop
ORD4:45 pmChicago O'Hare Intl
$375
Find similar
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
Dec 3
ORD7:20 pmChicago O'Hare Intl
11h 45m
1 stop
TRF2:05 pmOslo Sandefjord
Dec 7
TRF2:35 pmOslo Sandefjord
33h 10m
1 stop
ORD4:45 pmChicago O'Hare Intl
$409
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Oslo 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 that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoOslo

ORD - TRF

ORDTRF

Chicago O'Hare Intl

Thu 11/6

7:20 pm-2:05 pm

1 stop11h 45m

Oslo Sandefjord

Wed 11/12

2:35 pm-4:45 pm

1 stop33h 10m

$375

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

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

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

ChicagoOslo

ORD - TRF

ORDTRF

Chicago O'Hare Intl

Fri 10/17

6:35 pm-3:05 pm

2 stops37h 30m

Oslo Sandefjord

Sat 10/25

9:00 am-7:55 pm

2 stops17h 55m

$950

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

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?

The month of February is, on average, the cheapest month to fly to Oslo from Chicago O'Hare Intl Airport, with most prices found around $540. If you’re not able to fly to Oslo in February, then March is your next best option. Flight prices from Chicago O'Hare Intl Airport to Oslo during March average around $541.

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

The cheapest day to depart on your flight to Oslo is on a Sunday when prices can be found for as low as $668. This is often the case because there is less demand to fly during this day of the week. 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 for around $755.

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

Flying to Oslo from Chicago O'Hare Intl Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $587 when looking at flights departing at noon. Try not to purchase tickets in the morning because they tend to be around $730. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

Cheap Chicago O'Hare Intl Airport to Oslo flight deals and tips

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

Direct flights

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

    A flight from Chicago O'Hare Intl to Oslo will travel around 4038.4 mi. Typically, this will take 10h 05m by plane in normal conditions.

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

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

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

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

    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.

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

    The travel and health documents you'll need for your trip to Oslo 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Oslo 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

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?

Once you have performed a search for Chicago to Oslo flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Chicago to Oslo now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Oslo and let you know when they change.

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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
Oslo Gardermoen Airport
Oslo Sandefjord Airport