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Cheap flights from Oslo Gardermoen Airport to Chicago from $374

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oslo Gardermoen Airport to Chicago departing on 9/21. 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 Oslo Gardermoen Airport to Chicago

Cheap round-trip flights

Icelandair Logo
1:50 pm - 6:15 pmOSL-ORD
11h 25m1 stop
Icelandair Logo
7:25 pm - 3:40 pmORD-OSL
13h 15m1 stop
$390Icelandair
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Thu, Sep 25 - Thu, Oct 9
Icelandair Logo
4:30 pm - 6:15 pmOSL-ORD
32h 45m1 stop
Icelandair Logo
7:25 pm - 12:35 pmORD-OSL
10h 10m1 stop
$400Icelandair
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Sun, Sep 7 - Mon, Sep 22
SWISS Logo
5:40 am - 12:50 pmOSL-ORD
14h 10m1 stop
SWISS Logo
3:45 pm - 1:05 pmORD-OSL
14h 20m1 stop
$425SWISS
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Mon, Aug 18 - Wed, Sep 3
KLM Logo
9:20 am - 2:40 pmOSL-ORD
12h 20m1 stop
KLM Logo
4:15 pm - 4:20 pmORD-OSL
17h 05m1 stop
$435KLM
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Mon, Sep 1 - Sun, Sep 14
SWISS Logo
5:40 am - 12:50 pmOSL-ORD
14h 10m1 stop
SWISS Logo
7:05 pm - 11:55 pmORD-OSL
21h 50m1 stop
$436SWISS
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Sat, Aug 23 - Mon, Sep 15
Logo
7:15 pm - 2:10 pmOSL-ORD
25h 55m1 stop
Logo
5:10 pm - 4:40 pmORD-OSL
16h 30m1 stop
$443
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Sat, Aug 23 - Mon, Sep 15
Air Canada Logo
9:50 am - 9:51 amOSL-ORD
55h 01m2 stops
Air Canada Logo
10:40 am - 12:15 pmORD-OSL
18h 35m2 stops
$446Air Canada
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Sun, Sep 7 - Mon, Sep 22
Logo
6:35 am - 5:10 pmOSL-ORD
17h 35m2 stops
Logo
10:30 pm - 6:00 pmORD-OSL
12h 30m1 stop
$485
Find Deal
Mon, Sep 1 - Sun, Sep 14
Air Canada Logo
6:45 am - 3:04 pmOSL-ORD
15h 19m2 stops
Air Canada Logo
3:50 pm - 3:40 pmORD-OSL
16h 50m2 stops
$554Air Canada
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Thu, Sep 25 - Thu, Oct 9
KLM Logo
6:30 am - 2:10 pmOSL-ORD
14h 40m1 stop
KLM Logo
4:15 pm - 2:30 pmORD-OSL
15h 15m1 stop
$606KLM
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Fri, Aug 22 - Sat, Aug 30

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

Our best SWISS deals on Oslo Gardermoen Airport to Chicago O'Hare Intl Airport flight tickets
SWISS
Aug 18
OSL5:40 amOslo Gardermoen
14h 10m
1 stop
ORD12:50 pmChicago O'Hare Intl
Sep 3
ORD3:45 pmChicago O'Hare Intl
14h 20m
1 stop
OSL1:05 pmOslo Gardermoen
$425
Find similar
SWISS
Aug 23
OSL5:40 amOslo Gardermoen
14h 10m
1 stop
ORD12:50 pmChicago O'Hare Intl
Sep 15
ORD7:05 pmChicago O'Hare Intl
21h 50m
1 stop
OSL11:55 pmOslo Gardermoen
$436
Find similar
SWISS
Aug 9
OSL5:40 amOslo Gardermoen
14h 10m
1 stop
ORD12:50 pmChicago O'Hare Intl
Aug 30
ORD3:55 pmChicago O'Hare Intl
14h 10m
1 stop
OSL1:05 pmOslo Gardermoen
$612
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KLM flights from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport

Our best KLM deals on Oslo Gardermoen Airport to Chicago O'Hare Intl Airport flight tickets
KLM
Sep 1
OSL9:20 amOslo Gardermoen
12h 20m
1 stop
ORD2:40 pmChicago O'Hare Intl
Sep 14
ORD4:15 pmChicago O'Hare Intl
17h 05m
1 stop
OSL4:20 pmOslo Gardermoen
$435
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KLM
Aug 22
OSL6:30 amOslo Gardermoen
14h 40m
1 stop
ORD2:10 pmChicago O'Hare Intl
Aug 30
ORD4:15 pmChicago O'Hare Intl
15h 15m
1 stop
OSL2:30 pmOslo Gardermoen
$606
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momondo Fare Finder

 
Customize your flight search to find flights from Oslo Gardermoen Airport to Chicago O'Hare Intl 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 2, 2025.
Use the filters below to find and compare flights from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 9/25

1:50 pm-6:15 pm

1 stop11h 25m

Chicago O'Hare Intl

Thu 10/9

7:25 pm-3:40 pm

1 stop13h 15m

$390

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sun 9/7

4:30 pm-6:15 pm

1 stop32h 45m

Chicago O'Hare Intl

Mon 9/22

7:25 pm-12:35 pm

1 stop10h 10m

$400

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Mon 8/18

5:40 am-12:50 pm

1 stop14h 10m

Chicago O'Hare Intl

Wed 9/3

3:45 pm-1:05 pm

1 stop14h 20m

$425

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Mon 9/1

9:20 am-2:40 pm

1 stop12h 20m

Chicago O'Hare Intl

Sun 9/14

4:15 pm-4:20 pm

1 stop17h 05m

$435

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 8/23

5:40 am-12:50 pm

1 stop14h 10m

Chicago O'Hare Intl

Mon 9/15

7:05 pm-11:55 pm

1 stop21h 50m

$436

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sat 8/23

7:15 pm-2:10 pm

1 stop25h 55m

Chicago O'Hare Intl

Mon 9/15

5:10 pm-4:40 pm

1 stop16h 30m

$443

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Sun 9/7

9:50 am-9:51 am

2 stops55h 01m

Chicago O'Hare Intl

Mon 9/22

10:40 am-12:15 pm

2 stops18h 35m

$446

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Mon 9/1

6:35 am-5:10 pm

2 stops17h 35m

Chicago O'Hare Intl

Sun 9/14

10:30 pm-6:00 pm

1 stop12h 30m

$485

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Thu 9/25

6:45 am-3:04 pm

2 stops15h 19m

Chicago O'Hare Intl

Thu 10/9

3:50 pm-3:40 pm

2 stops16h 50m

$554

OsloChicago

OSL - ORD

OSLORD

Oslo Gardermoen

Fri 8/22

6:30 am-2:10 pm

1 stop14h 40m

Chicago O'Hare Intl

Sat 8/30

4:15 pm-2:30 pm

1 stop15h 15m

$606

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 Chicago from

How to get the cheapest flight ticket from Oslo Gardermoen Airport to Chicago O'Hare Intl 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 typical price of a round-trip flight between Oslo Gardermoen Airport and Chicago O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Oslo Gardermoen Airport averaging around $470.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $423. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Oslo Gardermoen Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $616.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Oslo Gardermoen Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $542 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $664. 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 Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Oslo Gardermoen Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $570 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Oslo Gardermoen Airport for as low as $448 on momondo.

Can stopping save me money on Oslo Gardermoen Airport to Chicago O'Hare Intl Airport flights?

You could potentially save up to 4% on your flight if you consider stops on a Oslo Gardermoen Airport to Chicago O'Hare Intl Airport flight.

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

As of August 2025, prices for Oslo Gardermoen Airport to Chicago O'Hare Intl Airport flights are approximately 2% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Oslo Gardermoen Airport to Chicago O'Hare Intl Airport (OSL to ORD) flight deals and tips

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

Best Price Found

$374

Fastest flight time

11h 15m

Direct flights

None
The best one-way flight to Chicago O'Hare Intl Airport from Oslo Gardermoen Airport in the past 72 hours is $374. The best round-trip flight deal from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $390.
The fastest flight from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport takes 11h 15m
There are no direct flights from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport. Popular non-direct route for this connection is Oslo Gardermoen Airport - Chicago O'Hare Intl Airport.
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  • How far is Oslo Gardermoen to Chicago O'Hare Intl by plane?

    The distance between Oslo Gardermoen and Chicago O'Hare Intl is about 4038.9 mi. 11h 15m is a normal flight duration for this route.

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

    Prices for flights from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport were last updated today.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Oslo Gardermoen Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

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

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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Elgin
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Benton Harbor

Why use momondo?

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

Finding the right flight to Chicago from Oslo is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Chicago from Oslo with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Oslo.

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

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Oslo and alert you when they change.

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