Cheap flights from Chicago to the United Kingdom from $196
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 to the United Kingdom departing on 7/20. 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
These are some of the best round-trip flight deals from Chicago to the United Kingdom that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Chicago to the United Kingdom.
Cheap last minute flights
Planning a quick getaway from Chicago 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.
Finnair flights from Chicago to United Kingdom
Our best Finnair deals on Chicago to United Kingdom flight tickets
Finnair![Finnair]()
May 6![Finnair]()
May 21
ORD10:25 pmChicago O'Hare Intl
7h 50m
LHR12:15 pmLondon Heathrow
LHR10:20 amLondon Heathrow
13h 30m
1 stop
ORD5:50 pmChicago O'Hare Intl
Finnair![Finnair]()
May 6![Finnair]()
May 21
ORD5:40 pmChicago O'Hare Intl
7h 40m
LHR7:20 amLondon Heathrow
LHR9:15 amLondon Heathrow
8h 30m
ORD11:45 amChicago O'Hare Intl
United Airlines flights from Chicago to United Kingdom
Our best United Airlines deals on Chicago to United Kingdom flight tickets
United Airlines![United Airlines]()
Oct 14![United Airlines]()
Oct 23
ORD6:00 pmChicago O'Hare Intl
8h 20m
LHR8:20 amLondon Heathrow
LHR9:00 amLondon Heathrow
15h 15m
1 stop
ORD6:15 pmChicago O'Hare Intl
United Airlines![United Airlines]()
Oct 14![United Airlines]()
Oct 24
ORD9:25 pmChicago O'Hare Intl
8h 20m
LHR11:45 amLondon Heathrow
LHR8:30 amLondon Heathrow
9h 00m
ORD11:30 amChicago O'Hare Intl
See travel insights to the United Kingdom from
How to get the cheapest flight ticket from Chicago 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 to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $651. If you aren’t able to travel to United Kingdom during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $659.
What is the cheapest day to depart on your flight to United Kingdom?
The cheapest day to depart from Chicago 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 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 to United Kingdom flight route?
Fly from Chicago O'Hare Intl to London Heathrow for the best Chicago - 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 when booking 3 weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $786 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 for as low as $712 on momondo.
What cabin class options are available on Chicago to United Kingdom flights?
There are 4 cabin classes available to choose from on Chicago 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 to United Kingdom?
Icelandair and TAP AIR PORTUGAL are the most popular carriers operating from Chicago 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 according to our data. British Airways is the first choice among our users, with 43% 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 to United Kingdom on average per day?
As of April 2025, 54 flights take off from Chicago and land in United Kingdom each day. The most common flight departure time for this route is 9:00PM, with 65% of daily flights taking off in the evening.
How many flights depart from Chicago to United Kingdom on average per week?
The number of flights available between Chicago and United Kingdom is 382 per week as of April 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.
Cheap Chicago to United Kingdom flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to United Kingdom
Best Price Found | $196 |
|---|---|
Fastest flight time | 7h 35m |
Direct flights | Every day |
Airports in United Kingdom | 5 airports |
When did momondo last update prices for flights from Chicago to United Kingdom?
Prices for flights from Chicago to United Kingdom are updated daily.
How many operators does momondo search for flights from Chicago to United Kingdom?
There are 18 operators available for flights from Chicago to United Kingdom as of April 2025.
How old do you have to be to fly from Chicago to United Kingdom?
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 Chicago to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The required travel and health documents for your United Kingdom trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United Kingdom. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Chicago to United Kingdom?
Based on momondo bookings for flights between Chicago and United Kingdom, the leading plane model is Boeing 787-9 Dreamliner, making up 41.43% of the total bookings. Other popular models include Boeing 787-10 Dreamliner with 19.22%, Boeing 777 with 17.21%, and Boeing 767-300 with 8.27%.
Best airlines flying from Chicago to United Kingdom
Compare and see reviews for airlines that fly from Chicago to United Kingdom with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $257 | Free Cancellation | Rating 7.5 1,588 reviews | |||
| PriceFrom $381 | Free Cancellation | Rating 7.3 1,349 reviews | |||
| PriceFrom $460 | Free Cancellation | Rating 6.7 7,045 reviews | |||
| PriceFrom $468 | Free Cancellation | Rating 7.0 487 reviews | |||
| PriceFrom $506 | Free Cancellation | Rating 7.1 1,851 reviews | |||
| PriceFrom $516 | Free Cancellation | Rating 7.3 2,922 reviews | |||
| PriceFrom $543 | Free Cancellation | Rating 7.0 1,076 reviews | |||
| PriceFrom $554 | Free Cancellation | Rating 7.0 9,252 reviews | |||
| PriceFrom $559 | Free Cancellation | Rating 7.6 1,275 reviews | |||
| PriceFrom $571 | Free Cancellation | Rating 7.8 1,334 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to United Kingdom?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to United Kingdom. momondo saves you time and could save you money on your trip.
Can I find flights from Chicago to United Kingdom with flexible booking policies on momondo?
All flight searches from Chicago to United Kingdom on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Chicago to United Kingdom?
Once all potential Chicago to United Kingdom flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Chicago to United Kingdom right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Chicago to United Kingdom flights. All you need is a valid email address and we will do the rest; it is that quick and easy.
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Find better results for your trip to the United Kingdom
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