Cheap flights from Chicago O'Hare Intl Airport to the United Kingdom from $150
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 4/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
0 bags
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Cheap round-trip flights
KAYAK's recommended round-trip deals from the most popular airlines that fly from Chicago O'Hare Intl Airport to the United Kingdom.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Chicago O'Hare Intl Airport to the United Kingdom.
Cheap last minute flights
Planning a quick getaway from Chicago O'Hare Intl Airport to the United Kingdom? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to the United Kingdom, so you can enjoy a seamless trip without layovers.
Scandinavian Airlines flights from Chicago O'Hare Intl Airport to United Kingdom
Our best Scandinavian Airlines deals on Chicago O'Hare Intl Airport to United Kingdom flight tickets
Scandinavian Airlines![Scandinavian Airlines]()
Sep 22![Scandinavian Airlines]()
Oct 1
ORD7:15 pmChicago O'Hare Intl
16h 25m
1 stop
LHR5:40 pmLondon Heathrow
LHR7:30 pmLondon Heathrow
26h 40m
1 stop
ORD4:10 pmChicago O'Hare Intl
Scandinavian Airlines![Scandinavian Airlines]()
Sep 22![Scandinavian Airlines]()
Oct 1
ORD7:15 pmChicago O'Hare Intl
17h 35m
2 stops
LHR6:50 pmLondon Heathrow
LHR5:00 pmLondon Heathrow
29h 10m
1 stop
ORD4:10 pmChicago O'Hare Intl
Aer Lingus flights from Chicago O'Hare Intl Airport to United Kingdom
Our best Aer Lingus deals on Chicago O'Hare Intl Airport to United Kingdom flight tickets
Aer Lingus![Aer Lingus]()
Aug 5![Aer Lingus]()
Aug 20
ORD9:15 pmChicago O'Hare Intl
10h 10m
1 stop
LHR1:25 pmLondon Heathrow
LHR8:50 amLondon Heathrow
11h 10m
1 stop
ORD2:00 pmChicago O'Hare Intl
Aer Lingus![Aer Lingus]()
May 7![Aer Lingus]()
May 14
ORD9:15 pmChicago O'Hare Intl
10h 40m
1 stop
LHR1:55 pmLondon Heathrow
LHR8:50 amLondon Heathrow
11h 10m
1 stop
ORD2:00 pmChicago O'Hare Intl
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
Prices
Airlines
Other information
What is the cheapest month to fly to United Kingdom?
In general, February 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 $655. If you aren’t able to travel to United Kingdom during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $657.
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 $772. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $885.
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 $728. 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 evening, with an average ticket price of $835. Departure times in the evening 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 3 weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $790 when searching 3 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 $728 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 JetBlue are the most popular carriers operating from Chicago O'Hare Intl to United Kingdom
What airlines fly to United Kingdom?
British Airways, Iberia and American 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 42% 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 41 per day as of April 2025. The most frequent departure time is 9:00PM, with 73% 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 April 2025, 292 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 Tue, with 20% 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 | $150 |
|---|---|
Fastest flight time | 7h 35m |
Direct flights | Every day |
Airports in United Kingdom | 4 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 April 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 (41.57% of total bookings). The next most popular plane models are Boeing 777 (19.21%), Boeing 787-10 Dreamliner (17.76%), and Boeing 767-300 (8.08%).
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 1,572 reviews | |||
| PriceFrom $381 | Free Cancellation | Rating 7.3 1,328 reviews | |||
| PriceFrom $468 | Free Cancellation | Rating 7.0 476 reviews | |||
| PriceFrom $502 | Free Cancellation | Rating 6.7 6,963 reviews | |||
| PriceFrom $506 | Free Cancellation | Rating 7.1 1,831 reviews | |||
| PriceFrom $516 | Free Cancellation | Rating 7.3 2,924 reviews | |||
| PriceFrom $543 | Free Cancellation | Rating 7.0 1,060 reviews | |||
| PriceFrom $554 | Free Cancellation | Rating 7.0 9,022 reviews | |||
| PriceFrom $564 | Free Cancellation | Rating 7.6 1,267 reviews | |||
| PriceFrom $571 | Free Cancellation | Rating 7.8 1,323 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.
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Find better results for your trip to the United Kingdom
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