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

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

$612 is the best price recorded in the last 15 days.

Low-cost airlines offer competitive fares, but often add charges for extra services. Keep that in mind when planning your trip. Also, midweek departures may offer better deals than weekends.

Airport options between Chicago and London

Even for routes around 3942 mi, using different airports might affect flight cost and travel time.

• Airports in Chicago: You can fly from 3 airports in Chicago - Midway, O'Hare, Rockford.
• Airports in London: London offers flights from 6 airports - City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

Checking the average travel time to the airport can help you plan better. For some routes, changing your arrival or departure airport might also affect the price.

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 carriers like American, Delta, United, and more.

Other popular destinations

Flying to United Kingdom? Other travelers also searched: Birmingham, Edinburgh, 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.