Cheap flights from the United Kingdom to Chicago O'Hare Intl Airport from £226
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 O'Hare Intl Airport departing on 4/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise 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
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Cheap bus & train deals to Chicago
All return flight deals to Chicago
British Airways flights from United Kingdom to Chicago O'Hare Intl Airport
Our best British Airways deals on United Kingdom to Chicago O'Hare Intl Airport flight tickets
KLM flights from United Kingdom to Chicago O'Hare Intl Airport
Our best KLM 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 cheapest month to fly to Chicago O'Hare Intl Airport from United Kingdom is in February. Flight prices, which tend to average around £473, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Chicago O'Hare Intl Airport from United Kingdom during March instead. Flights to Chicago O'Hare Intl Airport in March, while not as cheap as those in February, still average around £525.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart from United Kingdom to Chicago O'Hare Intl Airport is on a Tuesday. Travellers who choose to depart for Chicago O'Hare Intl Airport on a Tuesday will often find tickets for as low as £580. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Chicago O'Hare Intl Airport on Sunday is £653.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest time of day to fly to Chicago O'Hare Intl Airport is in the afternoon when flights can be purchased for as low as £598. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the evening when prices are around £613.
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 30 days ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around £589 when searching 30 days out. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as £445.
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.
How many flights depart from United Kingdom to Chicago O'Hare Intl Airport on average per day?
34 flights are operational daily from United Kingdom to Chicago O'Hare Intl Airport as of January 2025. The most popular departure time for this route is 11:00, with 50% of flights per day taking off at midday.
How many flights depart from United Kingdom to Chicago O'Hare Intl Airport on average per week?
242 flights are operational weekly from United Kingdom to Chicago O'Hare Intl Airport as of January 2025. The most popular departure day for this route is Wed, with 16% of flights per week 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 were last updated today.
How many operators does momondo search for flights from United Kingdom to Chicago O'Hare Intl Airport?
There are 16 operators available for flights from United Kingdom to Chicago O'Hare Intl Airport as of January 2025.
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 28.15% of the total bookings. Other popular models include Boeing 777 with 21.24%, Boeing 787-10 Dreamliner with 20.68%, and Airbus A350-900 with 6.66%.
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 £342 | Free Cancellation | Rating 7.1 498 reviews | |||
| PriceFrom £354 | Free Cancellation | Rating 7.1 1,067 reviews | |||
| PriceFrom £365 | Free Cancellation | Rating 7.4 1,486 reviews | |||
| PriceFrom £387 | Free Cancellation | Rating 7.3 1,299 reviews | |||
| PriceFrom £394 | Free Cancellation | Rating 7.1 1,860 reviews | |||
| PriceFrom £414 | Free Cancellation | Rating 7.5 662 reviews | |||
| PriceFrom £415 | Free Cancellation | Rating 6.7 7,077 reviews | |||
| PriceFrom £433 | Free Cancellation | Rating 6.6 6,785 reviews | |||
| PriceFrom £477 | Free Cancellation | Rating 7.8 1,337 reviews | |||
| PriceFrom £478 | Free Cancellation | Rating 7.6 1,281 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from United Kingdom to Chicago?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United Kingdom to Chicago for you.
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 provides multiple filters to help you find the best flight to Chicago from United Kingdom. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from United Kingdom to Chicago right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Chicago from United Kingdom. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.