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

To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $363. SWISS flights start at $404 while deals on Austrian Airlines start at $417 one-way.

Currently, November is the cheapest month in which you can book a flight from Illinois to Oslo (average of $564). Flying from Illinois to Oslo in June is currently the most expensive (average of $1,260). 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 recently were the Illinois to Oslo flight deals updated?

The Illinois to Oslo flight deals you see on this page were last updated on 4/26.

What are the most popular airlines that fly from Illinois to Oslo?

American Airlines, Finnair and British Airways are the most popular airlines when flying from Illinois to Oslo.

What are the most popular routes from Illinois to Oslo?

When deciding which route to take from Illinois 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 flights from Illinois to Oslo for under $500 on Cheapflights?

Yes, there are multiple flights from Illinois to Oslo for under $500. The cheapest flight booked recently is on Multiple Airlines for just $413, but on average you can expect to pay $505.

Are there last-minute flights available from Illinois to Oslo for under $600?

There are currently 20+ open flights from Illinois to Oslo within the next 7 days for less than $600.

What does ORD to OSL mean?

Chicago O'Hare Intl Airport is ORD and Oslo Gardermoen Airport is OSL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Ready for more IATA code knowledge? These are related airports for your current travel destination: Oslo Sandefjord Airport (TRF), Fagernes Valdres Airport (VDB).

Can I find deals for flights from Illinois to Oslo that include extra baggage allowance?

The amount of baggage you can bring on your Illinois to Oslo flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Can I find deals on flights from Illinois to Oslo with specific airlines?

Yes, Cheapflights allows you to browse and filter Illinois to Oslo flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

How can I find direct flights from Illinois to Oslo?

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

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

Yes. Cheapflights offers flight deals from Illinois 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.

Can I find deals for flights from Illinois to Oslo that allow pets onboard?

Many airlines flying from Illinois to Oslo offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Can I find deals on last-minute flights from Illinois to Oslo?

Yes, you can often find last-minute deals on Illinois to Oslo flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Cheap Flights from Illinois (IL) to Oslo, Norway from $245 - Find Tickets & Airfare Deals at Cheapflights.com

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

To save on the cost of your flight from Illinois to Oslo, book at least 27 days before your planned departure. Booking around this time can save you about 26% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $438 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $752.

What is the cheapest month to fly from Illinois to Oslo?

February is one of the best times of the year to fly to Oslo from Illinois. Prices for February average $678 per person but you can even find prices for as low as $398. The most expensive prices can be found in the month of June. Opting for a February flight can save you 53% on your journey compared to booking in June

When is the cheapest time to fly from Illinois to Oslo (IL - OSL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Oslo as you normally would.

Cheap SWISS flights from Illinois to Oslo

Take a look at some of the lowest-priced SWISS flights heading from Illinois to Oslo. Make sure to check back often as deals are often changing.

Thu 8/227:15 pmORD - OSL

1 stop21h 20mSWISS

Thu 8/296:25 amOSL - ORD

1 stop16h 30mSWISS

Deal found 4/25$550

Fri 5/37:15 pmORD - OSL

1 stop21h 20mSWISS

Fri 5/106:25 amOSL - ORD

1 stop16h 40mSWISS

Deal found 4/26$559

Sun 8/182:20 pmORD - OSL

1 stop26h 15mSWISS

Tue 8/2710:10 amOSL - ORD

1 stop33h 00mSWISS

Deal found 4/25$560

Sat 8/242:20 pmORD - OSL

1 stop12h 00mSWISS

Sun 9/110:00 amOSL - ORD

1 stop33h 10mSWISS

Deal found 4/25$635

Sat 8/102:20 pmORD - OSL

1 stop12h 00mSWISS

Mon 8/192:00 pmOSL - ORD

1 stop29h 10mSWISS

Deal found 4/25$780

Cheap Air France flights from Illinois to Oslo

Have a look at some of the cheapest available Air France flights departing from Illinois and landing in Oslo. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.

Fri 8/165:15 pmORD - OSL

1 stop11h 35mAir France

Fri 8/236:30 amOSL - ORD

1 stop15h 30mAir France

Deal found 4/25$568

Fri 5/35:15 pmORD - OSL

1 stop15h 40mAir France

Mon 5/1312:45 pmOSL - ORD

2 stops15h 10mAir France

Deal found 4/25$578

Sat 8/175:15 pmORD - OSL

1 stop15h 40mAir France

Sat 8/246:30 amOSL - ORD

1 stop15h 30mAir France

Deal found 4/25$614

Sun 8/115:15 pmORD - OSL

1 stop15h 40mAir France

Tue 8/206:30 amOSL - ORD

2 stops19h 31mAir France

Deal found 4/25$624

Fri 8/95:15 pmORD - OSL

1 stop11h 35mAir France

Sun 8/1812:45 pmOSL - ORD

2 stops36h 50mAir France

Deal found 4/26$782

Cheap Illinois to Oslo flights in April & May 2024

Check out some of the best flight deals from Illinois to Oslo in 2024. Check back soon for alternative fares.

Mon 5/138:20 amORD - OSL

1 stop19h 05mBritish Airways

Tue 5/2111:15 amOSL - ORD

1 stop13h 05mBritish Airways

Deal found 4/26$559

Thu 5/167:00 amORD - OSL

2 stops22h 30mMultiple Airlines

Tue 5/2111:45 amOSL - ORD

1 stop25h 15mMultiple Airlines

Deal found 4/24$562

Wed 5/14:00 pmORD - OSL

1 stop13h 20mLufthansa

Tue 5/76:35 amOSL - ORD

1 stop13h 20mLufthansa

Deal found 4/26$564

Fri 5/176:00 pmORD - OSL

1 stop14h 55mBritish Airways

Mon 5/205:05 pmOSL - ORD

1 stop24h 40mBritish Airways

Deal found 4/26$565

Tue 5/74:20 pmORD - OSL

1 stop14h 55mAustrian Airlines

Sat 5/183:00 pmOSL - ORD

1 stop29h 20mAustrian Airlines

Deal found 4/26$566

Wed 5/16:05 pmORD - OSL

2 stops16h 55mUnited Airlines

Tue 5/77:25 amOSL - ORD

1 stop13h 30mUnited Airlines

Deal found 4/25$568

Tue 5/75:15 pmORD - OSL

1 stop23h 05mAir France

Sat 5/186:30 amOSL - ORD

1 stop15h 30mAir France

Deal found 4/25$570

Fri 5/176:00 pmORD - OSL

1 stop14h 55mBritish Airways

Fri 5/247:45 amOSL - ORD

1 stop13h 00mBritish Airways

Deal found 4/26$571

Mon 4/291:05 pmORD - OSL

2 stops18h 40mUnited Airlines

Mon 5/66:45 amOSL - ORD

1 stop12h 15mUnited Airlines

Deal found 4/25$573

Illinois to Oslo 2024 flight deals

Check out some of the best flight deals from Illinois to Oslo in 2024. Check back soon for alternative fares.

Mon 5/138:20 amORD - OSL

1 stop19h 05mBritish Airways

Tue 5/2111:15 amOSL - ORD

1 stop13h 05mBritish Airways

Deal found 4/26$559

Sun 8/187:15 pmORD - OSL

1 stop21h 20mSWISS

Sun 8/2510:00 amOSL - ORD

1 stop33h 10mSWISS

Deal found 4/25$560

Fri 10/186:05 pmORD - OSL

1 stop13h 40mMultiple Airlines

Mon 10/288:40 amOSL - ORD

1 stop14h 30mMultiple Airlines

Deal found 4/26$561

Thu 5/167:00 amORD - OSL

2 stops22h 30mMultiple Airlines

Tue 5/2111:45 amOSL - ORD

1 stop25h 15mMultiple Airlines

Deal found 4/24$562

Thu 10/243:35 pmORD - OSL

1 stop19h 25mUnited Airlines

Thu 10/3111:25 amOSL - ORD

2 stops54h 34mUnited Airlines

Deal found 4/25$563

Wed 5/14:00 pmORD - OSL

1 stop13h 20mLufthansa

Tue 5/76:35 amOSL - ORD

1 stop13h 20mLufthansa

Deal found 4/26$564

Fri 11/16:45 pmMDW - OSL

2 stops15h 30mDelta

Sat 11/166:20 amOSL - MDW

2 stops18h 45mDelta

Deal found 4/25$565

Fri 5/176:00 pmORD - OSL

1 stop14h 55mBritish Airways

Mon 5/205:05 pmOSL - ORD

1 stop24h 40mBritish Airways

Deal found 4/26$565

Tue 5/74:20 pmORD - OSL

1 stop14h 55mAustrian Airlines

Sat 5/183:00 pmOSL - ORD

1 stop29h 20mAustrian Airlines

Deal found 4/26$566

Illinois to Oslo flights leaving soon

Have a look at some of the flights available from Illinois to Oslo departing last-minute. Users should examine the flight details to ensure there are no surprises.

Fri 5/37:15 pmORD - OSL

1 stop21h 20mSWISS

Fri 5/106:25 amOSL - ORD

1 stop16h 40mSWISS

Deal found 4/26$559

Wed 5/14:00 pmORD - OSL

1 stop13h 20mLufthansa

Tue 5/76:35 amOSL - ORD

1 stop13h 20mLufthansa

Deal found 4/26$564

Wed 5/16:05 pmORD - OSL

2 stops16h 55mUnited Airlines

Tue 5/77:25 amOSL - ORD

1 stop13h 30mUnited Airlines

Deal found 4/25$568

Sun 5/56:25 pmORD - OSL

2 stops22h 10mAmerican Airlines

Wed 5/2211:45 amOSL - ORD

1 stop12h 35mAmerican Airlines

Deal found 4/26$574

Fri 5/35:15 pmORD - OSL

1 stop15h 40mAir France

Mon 5/1312:45 pmOSL - ORD

2 stops15h 10mAir France

Deal found 4/25$578

Fri 5/39:25 pmORD - OSL

1 stop17h 40mUnited Airlines

Fri 5/106:45 amOSL - ORD

2 stops20h 38mUnited Airlines

Deal found 4/26$579

Wed 5/16:05 pmORD - OSL

2 stops16h 55mUnited Airlines

Tue 5/76:45 amOSL - ORD

2 stops22h 07mUnited Airlines

Deal found 4/25$583

Sun 5/56:25 pmORD - OSL

2 stops22h 10mAmerican Airlines

Wed 5/2211:45 amOSL - ORD

2 stops19h 12mAmerican Airlines

Deal found 4/26$587

Fri 5/32:55 pmORD - OSL

2 stops14h 25mUnited Airlines

Mon 5/136:45 amOSL - ORD

1 stop12h 15mUnited Airlines

Deal found 4/26$588

One-way flights to Oslo from Illinois

If you're seeking multiple options on one-way flights from Illinois to Oslo, be sure to check out these deals, which are updated often. Those seeking round-trip flights from Illinois to Oslo should utilize the search form at the the top of the page.

Wed 5/158:09 pmORD - OSL

1 stop33h 21mMultiple Airlines

Deal found 4/26$245

Tue 5/215:36 pmORD - OSL

2 stops36h 29mMultiple Airlines

Deal found 4/25$255

Wed 5/157:17 pmMDW - OSL

1 stop34h 13mMultiple Airlines

Deal found 4/26$259

Mon 5/2010:03 amORD - OSL

1 stop15h 27mMultiple Airlines

Deal found 4/24$259

Mon 6/310:03 amORD - OSL

1 stop15h 27mMultiple Airlines

Deal found 4/25$287

Wed 5/159:25 pmORD - OSL

2 stops32h 05mMultiple Airlines

Deal found 4/26$321

Tue 5/145:51 pmORD - OSL

2 stops47h 04mMultiple Airlines

Deal found 4/26$341

Sat 5/1810:01 pmMDW - OSL

2 stops51h 29mMultiple Airlines

Deal found 4/26$343

Fri 6/77:05 amORD - OSL

2 stops23h 00mMultiple Airlines

Deal found 4/25$347

Find flights from Illinois to Oslo within your budget

Fly from

Fly to

Budget

$413 - $569

Route

Depart

Return

Price

Chicago O'Hare IntlOslo Gardermoen

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Wed 5/15

1 stop32h 15m

Oslo Gardermoen

Mon 5/20

1 stop28h 30m

$413

Chicago O'Hare IntlOslo Gardermoen

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 9/16

1 stop16h 50m

Oslo Gardermoen

Tue 9/24

1 stop28h 25m

$472

Chicago O'Hare IntlOslo Gardermoen

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Sun 9/1

1 stop10h 10m

Oslo Gardermoen

Sun 9/8

1 stop26h 50m

$508

Chicago O'Hare IntlOslo Gardermoen

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Thu 8/22

1 stop21h 20m

Oslo Gardermoen

Thu 8/29

1 stop16h 30m

$550

Chicago O'Hare IntlOslo Gardermoen

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 5/13

1 stop19h 05m

Oslo Gardermoen

Tue 5/21

1 stop13h 05m

$559

Chicago O'Hare IntlOslo Gardermoen

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 10/21

1 stop10h 55m

Oslo Gardermoen

Sat 10/26

1 stop29h 10m

$564

Chicago O'Hare IntlOslo Gardermoen

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Tue 5/7

1 stop14h 55m

Oslo Gardermoen

Sat 5/18

1 stop29h 20m

$566

Chicago O'Hare IntlOslo Gardermoen

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Fri 8/16

1 stop11h 35m

Oslo Gardermoen

Fri 8/23

1 stop15h 30m

$568

Chicago O'Hare IntlOslo Gardermoen

ORD - OSL

ORDOSL

Chicago O'Hare Intl

Mon 9/16

1 stop21h 00m

Oslo Gardermoen

Tue 9/24

1 stop12h 20m

$569

Flights are sorted by cheapest first

Deals found on 4/25

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Oslo

To help decide which airline to fly from Illinois to Oslo, see what other customers have to say about SWISS, Air France and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.1

Very good

10,966 reviews

Check prices

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta

8.1

Very good

10,966 reviews

Delta

8.1

Very good

10,966 reviews

Check prices

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

KLM

7.9

Good

1,626 reviews

Delta

8.1

Very good

10,966 reviews

Check prices

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

SWISS

7.8

Good

2,061 reviews

Delta

8.1

Very good

10,966 reviews

Check prices

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Finnair

7.8

Good

1,385 reviews

Delta

8.1

Very good

10,966 reviews

Check prices

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Austrian Airlines

7.7

Good

1,085 reviews

Delta

8.1

Very good

10,966 reviews

Check prices

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Can I find flights from Illinois to Oslo for under $500 on Cheapflights?
Yes, there are multiple flights from Illinois to Oslo for under $500. The cheapest flight booked recently is on Multiple Airlines for just $413, but on average you can expect to pay $505.
Are there last-minute flights available from Illinois to Oslo for under $600?
There are currently 20+ open flights from Illinois to Oslo within the next 7 days for less than $600.
What are the cheapest airlines to fly from Illinois to Oslo one-way?
To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $363. SWISS flights start at $404 while deals on Austrian Airlines start at $417 one-way.
What are the most popular routes from Illinois to Oslo?
When deciding which route to take from Illinois 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.
What are the most popular airlines that fly from Illinois to Oslo?
American Airlines, Finnair and British Airways are the most popular airlines when flying from Illinois to Oslo.
What does ORD to OSL mean?
Chicago O'Hare Intl Airport is ORD and Oslo Gardermoen Airport is OSL. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Ready for more IATA code knowledge? These are related airports for your current travel destination: Oslo Sandefjord Airport (TRF), Fagernes Valdres Airport (VDB).
Can I find deals for flights from Illinois to Oslo that include extra baggage allowance?
The amount of baggage you can bring on your Illinois to Oslo flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.
Can I find deals on flights from Illinois to Oslo with specific airlines?
Yes, Cheapflights allows you to browse and filter Illinois to Oslo flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.
Can I find deals for flights from Illinois to Oslo that include hotel bookings?
Yes. In addition to deals on Illinois to Oslo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Oslo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Oslo.
Can I find deals for business class flights from Illinois to Oslo?
Yes. Cheapflights offers flight deals from Illinois 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.
Can I find deals for flights from Illinois to Oslo that allow pets onboard?
Many airlines flying from Illinois to Oslo offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.
Can I find deals on last-minute flights from Illinois to Oslo?
Yes, you can often find last-minute deals on Illinois to Oslo flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.
How recently were the Illinois to Oslo flight deals updated?
The Illinois to Oslo flight deals you see on this page were last updated on 4/26.

See more FAQs

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Alternative routes for Illinois to Oslo
See prices for flight routes from nearby airports that may be better suited for you.

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Top 10 airlines flying from Illinois to Oslo

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest$433	Average$593	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Finnair	Cheapest$454	Average$553	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Icelandair	Cheapest$465	Average$876	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
SWISS	Cheapest$469	Average$595	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Lufthansa	Cheapest$537	Average$996	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
American Airlines	Cheapest$541	Average$743	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
British Airways	Cheapest$548	Average$741	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest$550	Average$596	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
KLM	Cheapest$583	Average$1,065	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Delta	Cheapest$596	Average$884	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights

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Cheap flights from Illinois to Oslo from $245

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 5/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

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

What is the cheapest month to fly from Illinois to Oslo?

When is the cheapest time to fly from Illinois to Oslo (IL - OSL)?

Cheap SWISS flights from Illinois to Oslo

Take a look at some of the lowest-priced SWISS flights heading from Illinois to Oslo. Make sure to check back often as deals are often changing.

Cheap Air France flights from Illinois to Oslo

Have a look at some of the cheapest available Air France flights departing from Illinois and landing in Oslo. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.

Cheap Illinois to Oslo flights in April & May 2024

Find cheap flight options from Illinois to Oslo specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Prices were last updated on April 26, 2024.

Check out some of the best flight deals from Illinois to Oslo in 2024. Check back soon for alternative fares.

Illinois to Oslo 2024 flight deals

Discover exclusive flight deals for travel between Illinois and Oslo in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated April 26, 2024.

Check out some of the best flight deals from Illinois to Oslo in 2024. Check back soon for alternative fares.

Illinois to Oslo flights leaving soon

Have a look at some of the flights available from Illinois to Oslo departing last-minute. Users should examine the flight details to ensure there are no surprises.

One-way flights to Oslo from Illinois

If you're seeking multiple options on one-way flights from Illinois to Oslo, be sure to check out these deals, which are updated often. Those seeking round-trip flights from Illinois to Oslo should utilize the search form at the the top of the page.

Find flights from Illinois to Oslo within your budget

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 April 26, 2024.

To help decide which airline to fly from Illinois to Oslo, see what other customers have to say about SWISS, Air France and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

Can I find flights from Illinois to Oslo for under $500 on Cheapflights?

Are there last-minute flights available from Illinois to Oslo for under $600?

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

What are the most popular routes from Illinois to Oslo?

What are the most popular airlines that fly from Illinois to Oslo?

What does ORD to OSL mean?

Can I find deals for flights from Illinois to Oslo that include extra baggage allowance?

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Alternative routes for Illinois to Oslo
See prices for flight routes from nearby airports that may be better suited for you.