How much is a ticket from Chicago O'Hare to London?

Depending on when you travel and how far in advance you book, fares between Chicago and London can differ a lot.

The lowest fare seen in the past 15 days was £836.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Which departure and arrival airports are available?

Between Chicago and London, flight options may depend on the combination of airports available.

• Airports in Chicago: Chicago is connected by 3 airports - Midway, O'Hare, Rockford.
• Airports in London: London is served by 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

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Other popular destinations

Looking for alternatives in United Kingdom? Travelers also liked: Edinburgh, Glasgow, London, Manchester, Newquay.

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