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!

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.

Smart ways to search flights from Chicago O'Hare to London Heathrow

Use Jetcost to view tailored results based on what you care about — time, duration, number of stops, or even your preferred booking agency. Results include the best airlines and travel agencies.

Other popular destinations

Flying to United Kingdom? Other travelers also searched: Edinburgh, Glasgow, London, Manchester, Newquay.

Prefer non-stop flights? Just activate the filter to skip unnecessary layovers. If your dates are flexible, you can also explore different departure and return combinations to find the best fit.