Cheap Flights from Oslo Gardermoen Airport to Illinois from £427 Return

Flight deals from Oslo Gardermoen Airport to Illinois

Looking for a cheap last-minute deal or the best return flight from Oslo Gardermoen Airport to Illinois? If you want to travel next month, return fares start from £450. Find the lowest prices on one-way and return tickets right here.

Chicago.£427 per passenger.Departing Sat, 27 Feb, returning Fri, 5 Mar.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Oslo Gardermoen on Sat, 27 Feb, arriving in Chicago O'Hare International.Inbound indirect flight with TAP Air Portugal, departs from Chicago O'Hare International on Fri, 5 Mar, arriving in Oslo Gardermoen.Price includes taxes and charges.From £427, select.

Peoria.£945 per passenger.Departing Tue, 23 Jun, returning Mon, 29 Jun.Return flight with Norwegian and Allegiant Air.Outbound indirect flight with Norwegian, departs from Oslo Gardermoen on Tue, 23 Jun, arriving in Greater Peoria.Inbound indirect flight with Allegiant Air, departs from Greater Peoria on Mon, 29 Jun, arriving in Oslo Gardermoen.Price includes taxes and charges.From £945, select.

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Flying from Oslo Gardermoen Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	£427
Cheapest month to fly	February

How to find cheap flights from Oslo Gardermoen Airport to Illinois

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Oslo Gardermoen Airport to Illinois. Other savvy travellers recently found return flights from £427 and one-way tickets from £262. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in February

The cheapest time to fly from Oslo Gardermoen Airport to Illinois is currently February.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Oslo Gardermoen Airport to anywhere you choose in Illinois.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Oslo Gardermoen Airport to your chosen airport in Illinois go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Illinois Airport to Illinois flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from Oslo Gardermoen Airport to Illinois?

There are currently no direct flights from Oslo Gardermoen Airport to Illinois, but we've found some other routes to United States – check them out now.

What is the average price of a flight from Oslo Gardermoen Airport to Illinois?

We looked at all of the upcoming return flights from Oslo Gardermoen Airport to Illinois we could find over the next 12 months. It looks like £427 is the best price. This is good, compared to the average Illinois ticket price of £686.

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

The cheapest month to fly from Oslo Gardermoen Airport to Chicago O'Hare International Airport is currently February.
The cheapest month to fly from Oslo Gardermoen Airport to Greater Peoria Airport is usually June.

Which upcoming date is cheapest to fly from Oslo Gardermoen Airport to Illinois on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Oslo Gardermoen Airport to Illinois on Saturday, 27 February 2027.

If I'm flying from Oslo Gardermoen Airport, where in Illinois is cheapest to fly into?

If you're flying from Oslo Gardermoen, the cheapest city in Illinois to fly into is Chicago. The cheapest airport serving Chicago at the moment is Chicago O'Hare International.