American Airlines flights from Chicago to London (CHI - LON)

• Can I get a flight from Chicago to London on American Airlines for under $800?

  4 American Airlines flights from CHI to LON have recently been found on Cheapflights for under $800. Click here to find the best deals to London for your desired dates.

• Does American Airlines service alternative airports for CHI-LON?

  Those looking to travel from Chicago to London on American Airlines should know that there are other options for airports to fly into when visiting London. Instead of landing at London Heathrow, there are routes available with American Airlines that will take you to London Gatwick. If you are looking for alternative departure airport to Chicago O'Hare Intl, consider flying out of Chicago Midway which also offers American Airlines flights.

• How do most travelers feel about American Airlines?

  7,678 Cheapflights users have left reviews for American Airlines and have rated the airline 7.0/10. If you are looking to travel from Chicago to London on American Airlines, input your dates in the form above for our best prices!

Currently, the most affordable month to book a American Airlines flight from Chicago to London in November, with an average price of $653. Conversely, traveling with American Airlines from Chicago to London in June will be the most expensive, with an average cost of $1,150. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).