Cheap flights from Chicago O'Hare to London

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Planning a flight from Chicago O'Hare to London?

Flight prices from Chicago to London change depending on demand and time of booking.

Choose a date to explore the best fares now.

Many users find better fares by booking several weeks in advance. In fact, for many routes, booking early is one of the best ways to save.

Which airports serve Chicago and London?

When planning a trip of about 566 km, it's a good idea to check flights from surrounding airports too.

  • Airports in Chicago: Chicago is connected to 3 airports - Midway, O'Hare, Rockford.
  • Airports in London: The only active airport in London is London.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Choose the right flight for your trip from Chicago O'Hare to London

Jetcost helps you tailor your flight search based on what matters to you — flight length, budget, airline, or agency. Whether you prefer round-trip or one-way, direct or with stopovers, you’ll see options from the best airlines and travel agencies.

Other popular destinations

Flying to Canada? Many users also explore: Calgary, Montreal, Quebec, Toronto, Vancouver.

Looking for a specific airline? Select it directly in the filters to speed up your search. The search filters help you see only the options that match your needs.
Frequently Asked Questions

Frequently asked questions about flights from Chicago O'Hare to London.

How much does an airline ticket from Chicago O'Hare to London cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Chicago O'Hare to London.

How far is Chicago from London?

Chicago is about 566 km from London.

What are the airports in London?

London has one airport: London.

What are the airports in Chicago?

Chicago has 3 airports: Midway, O'Hare, Rockford.

What are the most popular cities in Canada?

The most popular cities in Canada according to our users' searches are: Calgary, Montreal, Quebec, Toronto, Vancouver.

When should I book a flight from Chicago to London?

This information is not available at the moment.

What is the cheapest month to fly from Chicago to London?

This information is not available at the moment.

What is the most expensive month to fly from Chicago to London?

This information is not available at the moment.

What is the best day of the week to fly from Chicago to London?

This information is not available at the moment.