Cheap flights from Illinois to Oslo from $415
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 7/20. 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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How to get the cheapest flight ticket from Illinois 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 November is, on average, the cheapest month to fly to Oslo from Illinois, with most prices found around $515. If you’re not able to fly to Oslo in November, then February is your next best option. Flight prices from Illinois to Oslo during February average around $545.
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 Illinois to Oslo for around $755.
What is the cheapest time of day to depart on your flight to Oslo?
Flying to Oslo from Illinois 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 Illinois when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Oslo for around $644 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oslo from Illinois for as low as $631 on momondo.
What is the cheapest airline that flies from Illinois to Oslo?
TAP AIR PORTUGAL, British Airways, and SWISS are the most popular carriers operating from Illinois to Oslo
What airlines fly to Oslo?
Icelandair, Scandinavian Airlines and British Airways are the top three most popular airlines that fly to Oslo from Illinois according to our data. Icelandair is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Oslo. Keep in mind that there are 9 different airlines that fly to Oslo on a routine basis, so you have a few additional options to choose from.
Cheap Illinois to Oslo flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Oslo
When did momondo last update prices for flights from Illinois to Oslo?
Prices for flights from Illinois to Oslo refresh daily.
How many operators does momondo search for flights from Illinois to Oslo?
As of April 2025, there are 10 operators available to choose from for flights from Illinois to Oslo.
How old do you have to be to fly from Illinois to Oslo?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Oslo.
What documentation or ID do you need to fly to Oslo?
The travel and health documents required for your trip to Oslo can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Oslo. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Illinois to Oslo
Compare and see reviews for airlines that fly from Illinois to Oslo with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $402 | Free Cancellation | Rating 7.0 481 reviews | |||
| PriceFrom $444 | Free Cancellation | Rating 7.3 1,335 reviews | |||
| PriceFrom $503 | Free Cancellation | Rating 6.6 6,771 reviews | |||
| PriceFrom $520 | Free Cancellation | Rating 7.6 1,269 reviews | |||
| PriceFrom $532 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $533 | Free Cancellation | Rating 6.7 7,011 reviews | |||
| PriceFrom $546 | Free Cancellation | Rating 7.8 1,327 reviews | |||
| PriceFrom $549 | Free Cancellation | Rating 7.4 8,667 reviews | |||
| PriceFrom $582 | Free Cancellation | Rating 8.0 7,916 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Illinois to Oslo?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Oslo from Illinois.
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?
Once all potential Illinois to Oslo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Illinois to Oslo right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Illinois to Oslo flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.