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

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

Select your dates to check current offers.

Flying at off-peak hours — such as early morning or late evening — can help you save. Also, the best deals tend to appear in the weeks leading up to departure.

Are there alternative airports near London and Chicago?

The two cities are about 6344 km apart. Looking beyond the main airport might reveal better options.

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

Many smaller airports are connected by direct buses or shuttles, often at low cost. If Chicago has more than one airport, you can pick the most convenient for your destination.

Refine your flight search from London Heathrow to Chicago O'Hare

With Jetcost, it’s easy to narrow down results to find flights that match your schedule and preferences. You can filter by airline, price, trip type, and more — including offers from Expedia, eDreams, and top carriers.

Other popular destinations

Also looking at United States? These cities are trending: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Online agencies can show different offers for the same flight — it’s worth comparing. Filters let you narrow things down further, like selecting a specific time slot to find flights that suit you best.