Cheap flights from London Heathrow to Chicago O'Hare

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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.

Airport options between London and Chicago

Even for routes around 6344 km, using different airports might affect flight cost and travel time.

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

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.

Flights from London - Heathrow to Chicago - O'Hare

Plan your journey from London Heathrow to Chicago O'Hare with ease

Use Jetcost to tailor your search — direct or connecting flights, round-trip or one-way, filtered by airline, price, travel time, or agency.

Other popular destinations

Exploring options in United States? These cities are trending: Atlanta, Los Angeles, Miami, New York City, Orlando.

Flight availability can change quickly — refresh the results if you’ve been away from the page for a while.
Frequently Asked Questions

Frequently asked questions about flights from London Heathrow to Chicago O'Hare.

How much does an airline ticket from London Heathrow to Chicago O'Hare cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from London Heathrow to Chicago O'Hare.

How far is London from Chicago?

London is about 6344 km from Chicago.

What are the airports in Chicago?

Chicago has 3 airports: Midway, O'Hare, Rockford.

What are the airports in London?

London has 6 airports: City Airport, Gatwick, Heathrow, Luton, Southend, Stansted.

What are the most popular cities in United States?

The most popular cities in United States according to our users' searches are: Atlanta, Los Angeles, Miami, New York City, Orlando.

When should I book a flight from London to Chicago?

The best time to book a flight from London to Chicago is 1 month in advance, while the worst time is 1 week in advance.

What is the cheapest month to fly from London to Chicago?

This information is not available at the moment.

What is the most expensive month to fly from London to Chicago?

This information is not available at the moment.

What is the best day of the week to fly from London to Chicago?

This information is not available at the moment.