Cheap flights from Illinois to England from $249

If you’re not able to fly to England in January, then February is your next best option. Flight prices from Illinois to England during February average around $691.

The cheapest day to depart on your flight to England is on a Tuesday when prices can be found for as low as $888. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to England is Saturday, with ticket prices averaging around $1,095.

According to our data, the cheapest time of day to fly to England is in the afternoon. momondo users have found flights departing from Illinois to England in the afternoon for as low as $976. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to England are more costly in the evening, with an average ticket price of $1,008. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Chicago O'Hare Intl to London Heathrow for the best Illinois - England flight prices

You are more likely to see cheaper flights to England from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to England for around $891 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to England from Illinois for as low as $822 on momondo.

There are 4 cabin classes available to choose from on Illinois to England flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Icelandair, TAP AIR PORTUGAL, and British Airways are the most popular carriers operating from Illinois to England

British Airways, American Airlines and Aer Lingus are the top three most popular airlines that fly to England from Illinois according to our data. British Airways is the first choice among our users, with 38% of people opting to fly with this airline when traveling to England. Keep in mind that there are 17 different airlines that fly to England on a routine basis, so you have a few additional options to choose from.

53 flights are operational daily from Illinois to England as of September 2026. The most popular departure time for this route is 6:00PM, with 79% of flights per day taking off in the evening.

As of September 2026, there are 374 flights per week flying from Illinois to England. The most common day of the week flights depart is Fri, with 17% of flights taking off on this day.