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Cheap flights from Illinois to Oslo from $310

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Oslo departing on 11/23. 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 Illinois to Oslo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
8:20 pm - 2:05 pmORD-TRF
11h 45m1 stop
Scandinavian Airlines Logo
3:05 pm - 4:10 pmTRF-ORD
32h 05m1 stop
$499Scandinavian Airlines
Find Deal
Wed, Mar 18 - Sun, Mar 29
Scandinavian Airlines Logo
8:20 pm - 2:05 pmORD-TRF
11h 45m1 stop
Scandinavian Airlines Logo
3:05 pm - 4:10 pmTRF-ORD
32h 05m1 stop
$663Scandinavian Airlines
Find Deal
Wed, Mar 18 - Sun, Mar 29
Scandinavian Airlines Logo
7:20 pm - 2:05 pmORD-TRF
11h 45m1 stop
Scandinavian Airlines Logo
2:35 pm - 5:45 pmTRF-ORD
33h 10m1 stop
$664Scandinavian Airlines
Find Deal
Sun, Mar 1 - Sun, Mar 8
Multiple Airlines Logo
3:50 pm - 6:40 pmORD-TRF
19h 50m2 stops
Multiple Airlines Logo
6:00 am - 11:06 pmTRF-ORD
24h 06m3 stops
$889Multiple Airlines
Find Deal
Sat, Nov 8 - Thu, Nov 13
Multiple Airlines Logo
9:40 pm - 9:20 amORD-TRF
28h 40m3 stops
Multiple Airlines Logo
4:05 pm - 1:10 pmTRF-ORD
28h 05m2 stops
$910Multiple Airlines
Find Deal
Sat, Oct 18 - Sun, Nov 2
Lufthansa Logo
3:20 pm - 2:55 pmORD-TRF
16h 35m2 stops
Lufthansa Logo
9:00 am - 8:05 pmTRF-ORD
18h 05m2 stops
$1,365Lufthansa
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Thu, Dec 18 - Fri, Dec 26
KLM Logo
5:10 pm - 6:25 pmORD-TRF
18h 15m2 stops
KLM Logo
9:00 am - 3:20 pmTRF-ORD
37h 20m2 stops
$1,478KLM
Find Deal
Fri, Oct 17 - Sat, Oct 25
Lufthansa Logo
3:05 pm - 3:05 pmORD-TRF
17h 00m2 stops
Lufthansa Logo
9:00 am - 6:15 pmTRF-ORD
16h 15m2 stops
$1,645Lufthansa
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Fri, Oct 17 - Sat, Oct 25
Air France Logo
4:32 pm - 2:05 pmSTL-TRF
38h 33m2 stops
Air France Logo
2:35 pm - 4:35 pmTRF-STL
57h 00m2 stops
$22,356Air France
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Wed, Dec 3 - Sun, Dec 7
Air France Logo
4:32 pm - 2:05 pmSTL-TRF
38h 33m2 stops
Air France Logo
2:35 pm - 4:35 pmTRF-STL
57h 00m2 stops
$22,357Air France
Find Deal
Wed, Dec 3 - Sun, Dec 7

Scandinavian Airlines flights from Illinois to Oslo Sandefjord Airport

Our best Scandinavian Airlines deals on Illinois to Oslo Sandefjord Airport flight tickets
Scandinavian Airlines
Mar 18
ORD8:20 pmChicago O'Hare Intl
11h 45m
1 stop
TRF2:05 pmOslo Sandefjord
Mar 29
TRF3:05 pmOslo Sandefjord
32h 05m
1 stop
ORD4:10 pmChicago O'Hare Intl
$499
Find similar
Scandinavian Airlines
Mar 18
ORD8:20 pmChicago O'Hare Intl
11h 45m
1 stop
TRF2:05 pmOslo Sandefjord
Mar 29
TRF3:05 pmOslo Sandefjord
32h 05m
1 stop
ORD4:10 pmChicago O'Hare Intl
$663
Find similar
Scandinavian Airlines
Mar 1
ORD7:20 pmChicago O'Hare Intl
11h 45m
1 stop
TRF2:05 pmOslo Sandefjord
Mar 8
TRF2:35 pmOslo Sandefjord
33h 10m
1 stop
ORD5:45 pmChicago O'Hare Intl
$664
Find similar

Lufthansa flights from Illinois to Oslo Sandefjord Airport

Our best Lufthansa deals on Illinois to Oslo Sandefjord Airport flight tickets
Lufthansa
Dec 18
ORD3:20 pmChicago O'Hare Intl
16h 35m
2 stops
TRF2:55 pmOslo Sandefjord
Dec 26
TRF9:00 amOslo Sandefjord
18h 05m
2 stops
ORD8:05 pmChicago O'Hare Intl
$1,365
Find similar
Lufthansa
Oct 17
ORD3:05 pmChicago O'Hare Intl
17h 00m
2 stops
TRF3:05 pmOslo Sandefjord
Oct 25
TRF9:00 amOslo Sandefjord
16h 15m
2 stops
ORD6:15 pmChicago O'Hare Intl
$1,645
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Oslo Sandefjord 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 October 2, 2025.
Use the filters below to find and compare flights from Illinois to Oslo Sandefjord Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoOslo

ORD - TRF

ORDTRF

Chicago O'Hare Intl

Wed 3/18

8:20 pm-2:05 pm

1 stop11h 45m

Oslo Sandefjord

Sun 3/29

3:05 pm-4:10 pm

1 stop32h 05m

$499

ChicagoOslo

ORD - TRF

ORDTRF

Chicago O'Hare Intl

Wed 3/18

8:20 pm-2:05 pm

1 stop11h 45m

Oslo Sandefjord

Sun 3/29

3:05 pm-4:10 pm

1 stop32h 05m

$663

ChicagoOslo

ORD - TRF

ORDTRF

Chicago O'Hare Intl

Sun 3/1

7:20 pm-2:05 pm

1 stop11h 45m

Oslo Sandefjord

Sun 3/8

2:35 pm-5:45 pm

1 stop33h 10m

$664

ChicagoOslo

ORD - TRF

ORDTRF

Chicago O'Hare Intl

Sat 11/8

3:50 pm-6:40 pm

2 stops19h 50m

Oslo Sandefjord

Thu 11/13

6:00 am-11:06 pm

3 stops24h 06m

$889

ChicagoOslo

ORD - TRF

ORDTRF

Chicago O'Hare Intl

Sat 10/18

9:40 pm-9:20 am

3 stops28h 40m

Oslo Sandefjord

Sun 11/2

4:05 pm-1:10 pm

2 stops28h 05m

$910

ChicagoOslo

ORD - TRF

ORDTRF

Chicago O'Hare Intl

Thu 12/18

3:20 pm-2:55 pm

2 stops16h 35m

Oslo Sandefjord

Fri 12/26

9:00 am-8:05 pm

2 stops18h 05m

$1,365

ChicagoOslo

ORD - TRF

ORDTRF

Chicago O'Hare Intl

Fri 10/17

5:10 pm-6:25 pm

2 stops18h 15m

Oslo Sandefjord

Sat 10/25

9:00 am-3:20 pm

2 stops37h 20m

$1,478

ChicagoOslo

ORD - TRF

ORDTRF

Chicago O'Hare Intl

Fri 10/17

3:05 pm-3:05 pm

2 stops17h 00m

Oslo Sandefjord

Sat 10/25

9:00 am-6:15 pm

2 stops16h 15m

$1,645

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

Wed 12/3

4:32 pm-2:05 pm

2 stops38h 33m

Oslo Sandefjord

Sun 12/7

2:35 pm-4:35 pm

2 stops57h 00m

$22,356

St. LouisOslo

STL - TRF

STLTRF

Lambert-St Louis

Wed 12/3

4:32 pm-2:05 pm

2 stops38h 33m

Oslo Sandefjord

Sun 12/7

2:35 pm-4:35 pm

2 stops57h 00m

$22,357

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 Illinois to Oslo Sandefjord 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 day to depart on your flight to Oslo Sandefjord Airport?

According to our data, Thursday is the cheapest day to fly to Oslo Sandefjord Airport from Illinois. The lowest ticket price found for a Thursday departure recently was $535. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $577.

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

Our data shows that the cheapest Illinois to Oslo Sandefjord Airport flights are usually those with departure times in the afternoon. Our users have found flights to Oslo Sandefjord Airport in the afternoon for as low as $523. Try not to purchase tickets in the evening because they tend to be around $562. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Illinois to Oslo Sandefjord Airport flight deals and tips

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

Direct flights

None
There are no direct flights from Illinois to Oslo Sandefjord Airport. There are no popular flight routes from Illinois to Oslo Sandefjord Airport.
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  • When did momondo last update prices for flights from Illinois to Oslo Sandefjord Airport?

    Prices for flights from Illinois to Oslo Sandefjord Airport are updated daily.

  • How old do you have to be to fly from Illinois to Oslo Sandefjord Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Oslo Sandefjord Airport.

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

    The required travel and health documents for your Oslo Sandefjord Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Oslo Sandefjord Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Oslo?

Book flights to Oslo if you plan to visit one of these locations
Sandefjord

Why use momondo?

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

Finding the right flight to Oslo from Illinois 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 Oslo quick and easy, saving you time and money.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Oslo.

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

If you are not ready to book a flight from Illinois 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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