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

There’s no fixed price — fares between Chicago and London can vary a lot by day or time.

Pick a travel date to see today’s available fares.

Flying during the week can be more affordable, as weekend flights tend to be pricier. Also consider demand and availability: the last remaining seats often come at higher fares!

Best airport options between Chicago and London

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

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

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Find flights from Chicago O'Hare to London Heathrow that suit your schedule

Use Jetcost to sort and filter results based on your preferred flight time, number of stops, price range, or airline. View deals from Ryanair, British Airways, Easyjet, and booking sites like Expedia and eDreams.

Other popular destinations

Interested in United Kingdom? These cities are also in demand: Birmingham, Edinburgh, London, Manchester, Newquay.

Connecting flights can be cheaper but often mean longer layovers. You can easily select either direct or connecting flights with a single click using the filters.