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

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

The lowest fare seen in the past 15 days was £370.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Exploring all airports near London and Chicago

Checking all the airports available in the area can give you more departure and arrival options for your trip.

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

Looking at expected traffic to the airport can help avoid surprises on departure day. On busy routes, flying from a quieter airport might also save you money.

Explore flights from London Heathrow to Chicago O'Hare your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by agency like eDreams or Expedia. Options include Ryanair, British Airways, Easyjet, and more.

Other popular destinations

Also interested in United States? Check out: Atlanta, Los Angeles, Miami, New York City, Orlando.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.