Cheap Flights from Billings Airport to Illinois from £199 Return

Flight deals from Billings Airport to Illinois

Looking for a cheap last-minute deal or the best return flight from Billings Airport to Illinois? If you want to travel next month, return fares start from £264. Find the lowest prices on one-way and return tickets right here.

Chicago.£199 per passenger.Departing Sat, 1 Aug, returning Sat, 15 Aug.Return flight with United.Outbound indirect flight with United, departs from Billings on Sat, 1 Aug, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Sat, 15 Aug, arriving in Billings.Price includes taxes and charges.From £199, select.

Moline.£431 per passenger.Departing Sat, 20 Jun, returning Fri, 26 Jun.Return flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departs from Billings on Sat, 20 Jun, arriving in Moline.Inbound indirect flight with Allegiant Air, departs from Moline on Fri, 26 Jun, arriving in Billings.Price includes taxes and charges.From £431, select.

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Flying from Billings Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	£199
Cheapest month to fly	August
Average flight time	3 hrs, 1 min
Average flights per week	30
Most popular airline	Envoy Air

How to find cheap flights from Billings Airport to Illinois

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Billings Airport to Illinois. Other savvy travellers recently found return flights from £199 and one-way tickets from £106. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in August

The cheapest time to fly from Billings Airport to Illinois is currently August.

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 Billings 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 Billings 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 Billings Airport to Illinois?

Yes - direct flights currently operate from Billings Airport to Chicago O'Hare International Airport in Illinois.

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

We looked at all of the upcoming return flights from Billings Airport to Illinois we could find over the next 12 months. It looks like £199 is the best price. This is good, compared to the average Illinois ticket price of £315.

What is the cheapest month to fly from Billings Airport to Illinois?

The cheapest month to fly from Billings Airport to Moline Airport is currently June.
The cheapest month to fly from Billings Airport to Chicago O'Hare International Airport is usually August.

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Billings Airport to Illinois on Saturday, 1 August 2026.

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

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