Cheap Flights from London to Chicago

Compare London to Chicago flight deals

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

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Flight deals from London to Chicago

Looking for a cheap last-minute deal or the best return flight from London to Chicago? Find the lowest prices on one-way and return tickets right here.

Chicago.SAR 943 per passenger.Departing Thu, 8 May.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Thu, 8 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From SAR 943, select.

Chicago.SAR 952 per passenger.Departing Wed, 23 Apr.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Wed, 23 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From SAR 952, select.

Chicago.SAR 1,031 per passenger.Departing Thu, 5 Jun.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Thu, 5 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From SAR 1,031, select.

Chicago.SAR 1,143 per passenger.Departing Sat, 20 Sep.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Sat, 20 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From SAR 1,143, select.

Chicago.SAR 1,179 per passenger.Departing Wed, 27 Aug.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Wed, 27 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From SAR 1,179, select.

Chicago.SAR 1,242 per passenger.Departing Mon, 3 Nov.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Luton on Mon, 3 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From SAR 1,242, select.

Chicago.SAR 1,344 per passenger.Departing Wed, 15 Oct.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Wed, 15 Oct, arriving in Chicago O'Hare International.Price includes taxes and charges.From SAR 1,344, select.

Chicago.SAR 1,413 per passenger.Departing Thu, 29 Jan.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Thu, 29 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From SAR 1,413, select.

Find the cheapest month to fly from London to Chicago

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Chicago flights are currently cheapest in May.

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Direct flights from London to Chicago

Alternative London to Chicago routes

Looking for the cheapest, fastest or easiest route from London to Chicago? You could fly into the following airports instead.

London to Chicago: Flight information

The things to know before you go.

Cheapest flight found	SAR 943
Cheapest month to fly	May
Average flight time	8 hrs, 54 mins
Most popular airline	Finnair
Average flights per week	3,141

Finding cheap flights from London to Chicago: Frequently asked questions

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.

How much are return flights from London to Chicago?

The best price we found for a return flight from London to Chicago is SAR 1,142. 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.

How long does it take to fly from London to Chicago?

8 hours and 54 minutes is the average flight time from London to Chicago.

Which airlines fly direct from London to Chicago?

Finnair, Alaska Airlines and American Airlines fly direct from London to Chicago.

How many flights are there a week from London to Chicago?

As of April 2025, there are 1,396 flights per week flying from London to Chicago.

When is the cheapest time to fly from London to Chicago?

The cheapest month to fly from London to Chicago is usually April 2025.

Which is the cheapest airport to fly into in Chicago?

If you're flying from London, the cheapest airport near Chicago is Chicago O'Hare International – which is 25.4 km away from the centre of Chicago. We've found flights into this airport from SAR 1,142.

Which upcoming date is cheapest to fly from London to Chicago on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Chicago on Wednesday, 10 September 2025.

Can I get a direct flight from London to Chicago?

Yes – the average flight time is 8 hours and 54 minutes.

How can I get the best flight deal from London 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.

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.

What’s the weather like in Chicago?

In April, the average temperature is usually around 8°C. July is typically the warmest month in Chicago, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is August.

Which is the cheapest airline to fly from London to Chicago with?

The cheapest airline that flies to Chicago is Austrian Airlines .

How to find cheap flights to Chicago from London

Looking for cheap tickets from London to Chicago? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from London to Chicago. And with us there are no hidden fees - what you see is what you pay.
Compare flight deals to Chicago from London from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
Flex your dates to find the best London-Chicago ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Chicago from London.
Set up a Price Alert. You can easily track the fare of your cheap London-Chicago flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
Fly without stops. Only interested in direct flights between London and Chicago? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
Find the cheapest Business class flights from London and Chicago. We scour the internet for the best Business, Premium Economy and First Class flight fares to Chicago, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
Include nearby airports in your search. Widen your search for London to Chicago flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

Combine your flight to Chicago from London with hotels and car hire

Once you've secured your cheap flight ticket from London to Chicago, discover the best prices and exclusive rates for hotels in Chicago or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.