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Oslo

$208+ Cheap flights from Chicago (CHI) to Oslo

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — OSL
fev 26 — mar 51
qui 2/26
qui 3/5
1 adult, Economy
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Cheap flight deals from Chicago to Oslo

Cheapest flights from Chicago to Oslo
Explore the most affordable flight options available from Chicago to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janeiro 27, 2026.

This Ticket deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 2/146:30 pm
ORD
-
OSL
1 stop19h 05m
Icelandair
dom 3/19:30 pm
OSL
-
ORD
1 stop26h 50m
Icelandair
Deal found 1/25$371
This oojo deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 11/47:20 pm
ORD
-
OSL
1 stop10h 50m
Scandinavian Airlines
qua 11/185:55 am
OSL
-
ORD
1 stop17h 50m
Scandinavian Airlines
Deal found 1/25$395
This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 4/176:00 pm
ORD
-
OSL
1 stop35h 00m
TAP AIR PORTUGAL
sex 4/246:50 pm
OSL
-
ORD
1 stop28h 25m
TAP AIR PORTUGAL
Deal found 1/26$397
This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 4/256:15 pm
ORD
-
OSL
1 stop34h 45m
TAP AIR PORTUGAL
sáb 5/21:00 pm
OSL
-
ORD
1 stop34h 00m
TAP AIR PORTUGAL
Deal found 1/26$404
This Kiwi.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 5/96:15 pm
ORD
-
OSL
1 stop16h 35m
TAP AIR PORTUGAL
ter 5/196:50 pm
OSL
-
ORD
1 stop28h 10m
TAP AIR PORTUGAL
Deal found 1/25$423
This oojo deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 2/278:15 pm
ORD
-
OSL
1 stop32h 55m
TAP AIR PORTUGAL
ter 3/106:45 pm
OSL
-
ORD
1 stop27h 15m
TAP AIR PORTUGAL
Deal found 1/24$429
This oojo deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 2/117:10 pm
ORD
-
OSL
1 stop15h 55m
TAP AIR PORTUGAL
ter 2/176:45 pm
OSL
-
ORD
1 stop27h 15m
TAP AIR PORTUGAL
Deal found 1/25$434
This oojo deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 3/98:20 pm
ORD
-
OSL
1 stop11h 55m
Scandinavian Airlines
sex 3/138:00 am
OSL
-
ORD
1 stop15h 55m
Scandinavian Airlines
Deal found 1/27$435
This FlightHub deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 4/227:15 pm
ORD
-
OSL
1 stop29h 55m
Scandinavian Airlines
ter 4/285:15 pm
OSL
-
ORD
1 stop29h 55m
Scandinavian Airlines
Deal found 1/25$436
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 4/271:23 pm
MDW
-
OSL
2 stops17h 22m
Delta
seg 5/46:30 am
OSL
-
MDW
2 stops19h 06m
Delta
Deal found 1/26$519
This FlightHub deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 4/186:10 pm
ORD
-
TRF
2 stops37h 20m
Scandinavian Airlines
dom 4/263:05 pm
TRF
-
ORD
1 stop32h 05m
Scandinavian Airlines
Deal found 1/26$524
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 8/121:05 pm
MDW
-
OSL
2 stops17h 40m
Delta
qui 8/206:30 am
OSL
-
MDW
2 stops19h 01m
Delta
Deal found 1/25$526

Find flight deals from Chicago to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Oslo (OS1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated janeiro 27, 2026.

Round-trip from

$366
(Ticket)

One-way from

$208
(oojo)

Popular in

June

Cheapest in

November

Average price

$504
From Chicago (CHI) to Oslo
Search Deals
One-way flight from Chicago (CHI) to Oslo
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($145 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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, Cheapflights users made 2,558,603 searches. Data last updated janeiro 27, 2026.
Use the filters below to find and compare flights from Chicago to Oslo that are best for you.

Fly from

Chicago

Fly to

Oslo

Route

Depart

Return

Price

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

sáb 3/28

5:25 pm-7:55 pm

1 stop20h 30m

Oslo Gardermoen

seg 4/6

8:00 am-2:30 pm

1 stop13h 30m

$518

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

qua 4/29

1:23 pm-1:45 pm

2 stops17h 22m

Oslo Gardermoen

sex 5/8

6:30 am-6:05 pm

2 stops18h 35m

$519

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

seg 4/27

1:23 pm-1:45 pm

2 stops17h 22m

Oslo Gardermoen

seg 5/4

6:30 am-6:36 pm

2 stops19h 06m

$519

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

seg 4/27

1:36 pm-1:45 pm

2 stops17h 09m

Oslo Gardermoen

seg 5/4

6:30 am-6:52 pm

2 stops19h 22m

$519

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

sex 4/17

1:36 pm-1:45 pm

2 stops17h 09m

Oslo Gardermoen

sex 4/24

6:30 am-6:13 pm

2 stops18h 43m

$519

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

qua 3/11

1:06 pm-5:10 pm

2 stops22h 04m

Oslo Gardermoen

seg 3/16

2:05 pm-9:05 pm

1 stop13h 00m

$520

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

qua 2/11

1:00 pm-5:10 pm

2 stops21h 10m

Oslo Gardermoen

ter 2/17

11:50 am-6:25 pm

1 stop13h 35m

$522

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

sex 2/6

8:15 pm-5:55 pm

1 stop14h 40m

Oslo Gardermoen

ter 2/10

6:45 pm-3:00 pm

1 stop27h 15m

$523

ChicagoOslo

ORD - OSL

ORDOSL

Chicago O'Hare Intl

qui 3/5

12:00 pm-11:00 am

2 stops16h 00m

Oslo Gardermoen

ter 3/10

1:45 pm-9:13 am

2 stops25h 28m

$527

ChicagoOslo

MDW - OSL

MDWOSL

Chicago Midway

dom 4/26

9:31 am-8:45 am

2 stops16h 14m

Oslo Gardermoen

dom 5/3

9:20 am-6:36 pm

2 stops16h 16m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 53 results
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Best time to book a flight from Chicago to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Oslo

How far ahead should I book a flight from Chicago to Oslo?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Oslo. Price data was last updated on January 23, 2026.

Booking 26 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Oslo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Chicago to Oslo?

Currently, December is the cheapest month in which you can book a flight from Chicago to Oslo (average of $378). Flying from Chicago to Oslo in June is currently the most expensive (average of $635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Chicago to Oslo?

How often are flights from Chicago to Oslo delayed?

About 44% of weekly flights between Chicago and Oslo have experienced delays in the past year, with the average delay time being 257 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

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

Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

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

Over the last year, Atlas Air have had the lowest number of delays on this route, with just 54% of flights being delayed.

Reviews of airlines servicing Oslo

Get insights into the airlines that provide service to Oslo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oslo. Reviews last updated janeiro 27, 2026.
Read through reviews of airlines operating flights from Chicago to Oslo, such as KLM, United Airlines, and Scandinavian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,443 reviews

Boarding

7.8

Crew

8.4

Food

7.3

Comfort

7.6

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,443 reviews
KLM
7.7
Good
1,443 reviews

Boarding

7.8

Crew

8.4

Food

7.3

Comfort

7.6

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,205 reviews
KLM
7.7
Good
1,443 reviews

Boarding

7.8

Crew

8.4

Food

7.3

Comfort

7.6

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Scandinavian Airlines
7.3
Good
1,669 reviews
KLM
7.7
Good
1,443 reviews

Boarding

7.8

Crew

8.4

Food

7.3

Comfort

7.6

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Icelandair
7.1
Good
603 reviews
KLM
7.7
Good
1,443 reviews

Boarding

7.8

Crew

8.4

Food

7.3

Comfort

7.6

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,702 reviews
KLM
7.7
Good
1,443 reviews

Boarding

7.8

Crew

8.4

Food

7.3

Comfort

7.6

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Oslo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chicago to Oslo?

    There are many flights that can get you from Chicago to Oslo in 17h 22m. Fly via KLM, Delta, or Scandinavian Airlines to get the fastest option. Chicago and Oslo are separated by a distance of 4045 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Chicago to Oslo round-trip?

    Scandinavian Airlines, at $388, was found to be the cheapest airline from Chicago to Oslo.Alternate airlines to your destination round-trip include Icelandair and American Airlines. You may be able to fly from Chicago to Oslo for 36% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Chicago to Oslo one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $241. Users have also found prices from $361 and $409 on SWISS and Lufthansa, respectively.

  • What are the most popular routes from Chicago to Oslo?

    When deciding which route to take from Chicago to Oslo consider Chicago O'Hare Intl - Oslo Gardermoen, Chicago O'Hare Intl - Oslo Sandefjord or Chicago Midway - Oslo Gardermoen as they are the most popular.

  • Can I find deals for flights from Chicago to Oslo that include hotel bookings?

    Yes. In addition to deals on Chicago to Oslo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Oslo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Oslo.

  • Can I find deals for business class flights from Chicago to Oslo?

    Yes. Cheapflights offers flight deals from Chicago to Oslo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Oslo?

    Currently, December is the cheapest month in which you can book a flight from Chicago to Oslo (average of $378). Flying from Chicago to Oslo in June is currently the most expensive (average of $635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 9 airlines flying from Chicago to Oslo

Discover the top 9 airlines that operate flights from Chicago to Oslo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated janeiro 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$388Average$789FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$397Average$603FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$505Average$617FlexibilityNo cancel feeOn-time71%
DeltaCheapest$513Average$772FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$513Average$634FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$515Average$614FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$517Average$690FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$532Average$641FlexibilityNo cancel feeOn-time69%
KLMCheapest$544Average$770FlexibilityNo cancel feeOn-time75%

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