Cheap Flights to Chicago from £328 Return in 2025

Q: How long is the flight to Chicago?

The average flight time to Chicago is 8 hours and 54 minutes. We've calculated this based on journeys from London.

Q: How many airports are there in Chicago?

There are 4 airports in Chicago: Chicago Midway, Chicago O'Hare International, Chicago Dupage County, and Chicago Rockford.

Q: Which airlines offer direct flights to Chicago?

Finnair, Alaska Airlines, American Airlines, British Airways, Iberia, Air Canada, Lufthansa and United all fly direct to Chicago.

Q: When is the cheapest time to fly to Chicago?

The cheapest month to fly to Chicago is usually May.

Q: How can I find the best flight deal to Chicago?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

Q: Can I get a direct flight to Chicago?

Yes – you can fly direct to Chicago O'Hare International Airport and the average flight time is 8 hours and 42 minutes.

Q: How much are return flights to Chicago?

The best price we found for a return flight to Chicago is £328. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Q: Which is the cheapest airport in Chicago?

The cheapest airport near Chicago is Chicago O'Hare International – which is 15.8 miles away from the centre of Chicago. We've found flights into this airport from £328 .

Q: Which upcoming date is cheapest to fly to Chicago on?

After crunching the numbers on our flight calendar, we found that the cheapest date to fly to Chicago is Thursday, 8 May 2025 .

Q: When is the best time to book flights to Chicago?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.

Compare Chicago flights across hundreds of providers

Find the cheapest month or even day of the year to fly to Chicago

Book the best Chicago fare with no extra fees

Cheapest month Other top airlines FAQs Route info Tips and advice

Find the cheapest time to fly to Chicago

Flexible on travel dates? Find the cheapest month – or even day – to fly to Chicago.

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Direct flights to Chicago

Frequently asked questions

How long is the flight to Chicago?

How many airports are there in Chicago?

Which airlines offer direct flights to Chicago?

When is the cheapest time to fly to Chicago?

How can I find the best flight deal to Chicago?

Can I get a direct flight to Chicago?

How much are return flights to Chicago?

Which is the cheapest airport in Chicago?

Which upcoming date is cheapest to fly to Chicago on?

When is the best time to book flights to Chicago?

What’s the weather like in Chicago?

Which is the cheapest airline to fly to Chicago with?

Flying to Chicago

The things to know before you go.

Average flight time	8 hrs, 42 mins
Most popular airline	Finnair
Average flights per week	485

Discover Chicago

How to find cheap flights to Chicago

Finding cheap flights to Chicago is a breeze with Skyscanner. Flight prices often change, and your fare depends on travel dates, seat availability, and booking time. We've compared airfares from all top online travel agents and airlines flying to Chicago to find you the most affordable flights. With Skyscanner, there are no hidden fees – the price you see is the price you pay.

Best time to visit Chicago

The best time to visit Chicago is usually from June to August. During this time, you can expect warm weather with average temperatures ranging from 20°C to 29°C. If you prefer fewer crowds or want to save some money, consider coming during the winter season, from December to February. Keep in mind that it can get quite cold, with temperatures often dropping below freezing, and snowfall is common.

Best time to book flights to Chicago

Looking for a cheap flight to Chicago from the UK? We recommend booking your tickets 1-2 months in advance – this is usually the best time to find cheap tickets. When you use our Price Alert feature, we’ll monitor ticket prices for you and alert you to any changes so you can make the most of your travel budget.

Airports in Chicago

Chicago is connected to one major airport, Chicago O'Hare International Airport, about 27km northwest of the city centre. Despite being the only travel hub, O'Hare is large enough to manage all domestic and international flights, serving as the main port of entry to the city.

Top things to see and do in Chicago

Chicago has a blend of towering skyscrapers and serene parks. Willis Tower provides a panoramic view of the city, while Millennium Park is popular for strolls. Make your way to Wicker Park for unique boutiques and local creations, or wander along Navy Pier to delve into the culinary scene. If architecture interests you, the structures in the Loop are worth visiting. After touring the Art Institute and Grant Park, unwind at a diner and savour a Chicago-style hot dog or deep-dish pizza.