Cheap flights from the United Kingdom to Chicago from $282
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Chicago departing on 9/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from the United Kingdom to Chicago
Recent round-trip flight deals from the United Kingdom to Chicago
Recent one-way flight deals from the United Kingdom to Chicago
Recent last minute flight deals from the United Kingdom to Chicago
Recent direct flight deals from the United Kingdom to Chicago
United Airlines flights from United Kingdom to Chicago O'Hare Intl Airport
Our best United Airlines deals on United Kingdom to Chicago O'Hare Intl Airport flight tickets
Lufthansa flights from United Kingdom to Chicago O'Hare Intl Airport
Our best Lufthansa deals on United Kingdom to Chicago O'Hare Intl Airport flight tickets
See travel insights to Chicago from
How to get the cheapest flight ticket from United Kingdom to Chicago O'Hare Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Chicago O'Hare Intl Airport?
The month of March is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from United Kingdom averaging around $663.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as $805. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $940.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
Flying to Chicago O'Hare Intl Airport from United Kingdom in the evening is the least expensive time of day to depart. momondo users have found prices as low as $695 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $956. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest United Kingdom to Chicago O'Hare Intl flight route?
Fly from London Heathrow to Chicago O'Hare Intl for the best United Kingdom - Chicago O'Hare Intl flight prices
How far in advance should I book a flight to Chicago O'Hare Intl Airport?
You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from United Kingdom when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $742 when searching 13 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from United Kingdom for as low as $710 on momondo.
What cabin class options are available on United Kingdom to Chicago O'Hare Intl flights?
There are 4 cabin classes available to choose from on United Kingdom to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from United Kingdom to Chicago O'Hare Intl?
TAP AIR PORTUGAL is the most popular carrier operating from United Kingdom to Chicago O'Hare Intl
What airlines fly to Chicago O'Hare Intl Airport?
British Airways, Aer Lingus and American Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from United Kingdom according to our data. British Airways is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 11 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from United Kingdom to Chicago O'Hare Intl Airport on average per day?
As of June 2025, 55 flights take off from United Kingdom and land in Chicago O'Hare Intl Airport each day. The most common flight departure time for this route is 11:00AM, with 50% of daily flights taking off in the afternoon.
How many flights depart from United Kingdom to Chicago O'Hare Intl Airport on average per week?
As of June 2025, 386 flights take off from United Kingdom and land in Chicago O'Hare Intl Airport each week. The most common flight departure day for this route is Sat, with 15% of weekly flights taking off on this day.
Cheap United Kingdom to Chicago O'Hare Intl Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Chicago O'Hare Intl Airport
When did momondo last update prices for flights from United Kingdom to Chicago O'Hare Intl Airport?
Prices for flights from United Kingdom to Chicago O'Hare Intl Airport refresh daily.
How many operators does momondo search for flights from United Kingdom to Chicago O'Hare Intl Airport?
As of June 2025, there are 11 operators available to choose from for flights from United Kingdom to Chicago O'Hare Intl Airport.
How old do you have to be to fly from United Kingdom to Chicago O'Hare Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United Kingdom to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from United Kingdom to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between United Kingdom and Chicago O'Hare Intl Airport, the leading plane model is Boeing 767-300, making up 40.87% of the total bookings. Other popular models include Boeing 787-10 Dreamliner with 19.17%, Boeing 777 with 15.12%, and Boeing 777-300ER with 7.32%.
Best airlines flying from United Kingdom to Chicago O'Hare Intl Airport
Compare and see reviews for airlines that fly from United Kingdom to Chicago O'Hare Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $390 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom $462 | Free Cancellation | Rating 7.3 1,388 reviews | |||
| PriceFrom $483 | Free Cancellation | Rating 7.1 1,890 reviews | |||
| PriceFrom $538 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $551 | Free Cancellation | Rating 6.6 7,019 reviews | |||
| PriceFrom $568 | Free Cancellation | Rating 7.1 1,118 reviews | |||
| PriceFrom $582 | Free Cancellation | Rating 7.0 2,778 reviews | |||
| PriceFrom $583 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $586 | Free Cancellation | Rating 7.6 804 reviews | |||
| PriceFrom $607 | Free Cancellation | Rating 7.6 1,292 reviews |
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from United Kingdom to Chicago?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from United Kingdom to Chicago. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from United Kingdom to Chicago with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Chicago from United Kingdom with this policy.
How can momondo help me find flights from United Kingdom to Chicago?
momondo helps you find the best flight between United Kingdom and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from United Kingdom to Chicago right now. Can momondo alert me if prices change?
If you are not ready to book a flight from United Kingdom to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.