Cheap flights from Chicago O'Hare Intl Airport to the United Kingdom from $181
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to the United Kingdom departing on 7/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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TAP AIR PORTUGAL flights from Chicago O'Hare Intl Airport to United Kingdom
Our best TAP AIR PORTUGAL deals on Chicago O'Hare Intl Airport to United Kingdom flight tickets
Finnair flights from Chicago O'Hare Intl Airport to United Kingdom
Our best Finnair deals on Chicago O'Hare Intl Airport to United Kingdom flight tickets
See travel insights to the United Kingdom from
How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to United Kingdom
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 United Kingdom?
In general, April is the cheapest month to fly from Chicago O'Hare Intl Airport to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $649. If you aren’t able to travel to United Kingdom during the month of April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $654.
What is the cheapest day to depart on your flight to United Kingdom?
The cheapest day to depart from Chicago O'Hare Intl Airport to United Kingdom is on a Wednesday when prices can be found for as low as $760. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $883.
What is the cheapest time of day to depart on your flight to United Kingdom?
According to our data, the cheapest time of day to fly to United Kingdom is in the morning. momondo users have found flights departing from Chicago O'Hare Intl Airport to United Kingdom in the morning for as low as $701. 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 United Kingdom are more costly in the afternoon, with an average ticket price of $820. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Chicago O'Hare Intl to United Kingdom flight route?
Fly from Chicago O'Hare Intl to London Heathrow for the best Chicago O'Hare Intl - United Kingdom flight prices
How far in advance should I book a flight to United Kingdom?
You are more likely to see cheaper flights to United Kingdom from Chicago O'Hare Intl Airport when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $803 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Chicago O'Hare Intl Airport for as low as $712 on momondo.
What cabin class options are available on Chicago O'Hare Intl to United Kingdom flights?
There are 4 cabin classes available to choose from on Chicago O'Hare Intl to United Kingdom 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 Chicago O'Hare Intl to United Kingdom?
Icelandair, TAP AIR PORTUGAL, and WestJet are the most popular carriers operating from Chicago O'Hare Intl to United Kingdom
What airlines fly to United Kingdom?
British Airways, Iberia and United Airlines are the top three most popular airlines that fly to United Kingdom from Chicago O'Hare Intl Airport according to our data. British Airways is the first choice among our users, with 47% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 18 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago O'Hare Intl Airport to United Kingdom on average per day?
The number of flights available between Chicago O'Hare Intl Airport and United Kingdom is 58 per day as of June 2025. The most frequent departure time is 9:00PM, with 67% of daily flights leaving in the evening.
How many flights depart from Chicago O'Hare Intl Airport to United Kingdom on average per week?
As of June 2025, 411 flights take off from Chicago O'Hare Intl Airport and land in United Kingdom each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.
Cheap Chicago O'Hare Intl Airport to United Kingdom flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to United Kingdom
Best Price Found | $181 |
|---|---|
Fastest flight time | 7h 40m |
Direct flights | Every day |
Airports in United Kingdom | 5 airports |
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to United Kingdom?
Prices for flights from Chicago O'Hare Intl Airport to United Kingdom are updated daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to United Kingdom?
The number of operators available for flights from Chicago O'Hare Intl Airport to United Kingdom is 18 as of June 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to United Kingdom?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The necessary travel and health documents for your United Kingdom 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 Chicago O'Hare Intl Airport to United Kingdom?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to United Kingdom is Boeing 787-9 Dreamliner (40.97% of total bookings). The next most popular plane models are Boeing 787-10 Dreamliner (18.37%), Boeing 777 (18.32%), and Boeing 767-300 (12.12%).
Best airlines flying from Chicago O'Hare Intl Airport to United Kingdom
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to United Kingdom with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $257 | Free Cancellation | Rating 7.5 1,623 reviews | |||
| PriceFrom $345 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $381 | Free Cancellation | Rating 7.3 1,387 reviews | |||
| PriceFrom $440 | Free Cancellation | Rating 6.7 7,136 reviews | |||
| PriceFrom $465 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom $507 | Free Cancellation | Rating 7.1 1,885 reviews | |||
| PriceFrom $516 | Free Cancellation | Rating 7.3 2,925 reviews | |||
| PriceFrom $543 | Free Cancellation | Rating 7.1 1,117 reviews | |||
| PriceFrom $554 | Free Cancellation | Rating 7.1 9,531 reviews | |||
| PriceFrom $567 | Free Cancellation | Rating 7.6 1,290 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to United Kingdom?
Finding the right flight to United Kingdom from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United Kingdom quick and easy, saving you time and money.
Can I find flights from Chicago to United Kingdom with flexible booking policies on momondo?
Yes. All flights to United Kingdom from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Chicago to United Kingdom?
momondo provides multiple filters to help you find the best flight to United Kingdom from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Chicago to United Kingdom right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Chicago to United Kingdom flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.