Cheap flights from Chicago to London from $166
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 London departing on 10/5. 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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Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Chicago to London by changing tabs
Find the cheapest one-way flights from Chicago to London
If you're looking for one-way flights from Chicago to London, view some of our deals below provided by British Airways, Finnair and Icelandair
Find the cheapest direct flights from Chicago to London
Search last-minute flights to London from Chicago
Find and compare round-trip flight prices for your last-minute flight from Chicago to London
Virgin Atlantic flights from Chicago to London
Our best Virgin Atlantic deals on Chicago to London flight tickets
Icelandair flights from Chicago to London
Our best Icelandair deals on Chicago to London flight tickets
How to get the cheapest flight ticket from Chicago to London
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 from Chicago to London?
February. The cheapest time of year to fly to London from Chicago is February. Most expensive is June
What is the cheapest day to depart Chicago for London?
Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Saturday
When is the cheapest time to fly from Chicago to London?
In the evening. Chicago to London flights are approximately 6% more expensive in the afternoon than in the evening
What is the cheapest airline that flies to London from Chicago?
Scandinavian Airlines. Scandinavian Airlines, Icelandair, and Virgin Atlantic are the most popular carriers operating from Chicago to London
What is the cheapest Chicago to London flight route?
Chicago O'Hare Intl - London Heathrow. Fly from Chicago O'Hare Intl to London Heathrow for the best Chicago - London flight prices
How far in advance should you book Chicago to London flights?
42 days before. The cheapest time to buy a flight from Chicago to London is approximately 42 days to departure
How many flights depart from Chicago to London on average per day?
As of August 2024, there are 32 flights per week flying from Chicago to London. The most common time of day flights depart is 9:00PM, with 70% of flights taking off in the evening.
How many flights depart from Chicago to London on average per week?
227 flights are operational weekly from Chicago to London as of August 2024. The most popular departure day for this route is Monday, with 16% of flights per week taking off on this day.
What cabin class options are available on Chicago to London flights?
There are 4 cabin classes available to choose from on Chicago to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Chicago to London flights?
You could potentially save up to 28% on your flight if you consider stops on a Chicago to London flight.
How have Chicago to London flight prices changed over time?
As of August 2024, prices for Chicago to London flights are approximately 2% more expensive when compared to flights at the same time last year.
Cheap Chicago to London (CHI to LON) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to London
How far is Chicago to London by plane?
A flight from Chicago to London will travel around 3945.2 mi. Flights usually cover this in 7h 35m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago to London?
Prices for flights from Chicago to London refresh daily.
How many operators does momondo search for flights from Chicago to London?
The number of operators available for flights from Chicago to London is 16 as of August 2024.
How old do you have to be to fly from Chicago to London?
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 to London.
What documentation or ID do you need to fly to London?
The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Chicago to London
Compare and see reviews for airlines that fly from Chicago to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $413 | Free Cancellation | Rating 7.3 1,326 reviews | |||
| PriceFrom $451 | Free Cancellation | Rating 8.0 9,384 reviews | |||
| PriceFrom $481 | Free Cancellation | Rating 7.1 807 reviews | |||
| PriceFrom $501 | Free Cancellation | Rating 7.3 10,000 reviews | |||
| PriceFrom $522 | Free Cancellation | Rating 7.2 1,175 reviews | |||
| PriceFrom $533 | Free Cancellation | Rating 7.1 1,962 reviews | |||
| PriceFrom $554 | Free Cancellation | Rating 6.9 7,524 reviews | |||
| PriceFrom $555 | Free Cancellation | Rating 7.7 1,761 reviews | |||
| PriceFrom $562 | Free Cancellation | Rating 7.7 1,319 reviews | |||
| PriceFrom $570 | Free Cancellation | Rating 7.0 2,675 reviews |
SWISS Flights From Chicago to London
Across 13 SWISS flights from Chicago to London this week, the average price was $897, with the best SWISS deals starting from $555 round-trip. 1,761 users have rated SWISS on momondo, with an average score of 7.7/10.
Finnair Flights From Chicago to London
The best Finnair deal for Chicago to London flight tickets found on momondo in the last 72 hours was $562, round-trip. It should be noted that an average Finnair flight deal for this route in this time was higher, at $770 round-trip. Finnair operates 21 flights out of Chicago into London in an average week, so prices vary by time and availability. 1,319 Finnair reviews by users on momondo have scored the airline at 7.7/10.
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to London?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to London. momondo saves you time and could save you money on your trip.
Can I find flights from Chicago to London with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to London from Chicago with this policy.
How can momondo help me find flights from Chicago to London?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Chicago.
I’m not ready to book a flight from Chicago to London right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to London from Chicago. 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.