Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Chicago to London. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Chicago to London, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
All airports
There are most likely no direct flights on the Chicago — London route
Chicago — London
12/02/2026
Departure
Direct flight
UA9088
starting at $640
Chicago — London
11/18/2026
Departure
Direct flight
IB4208
starting at $686
Chicago — London
11/19/2026
Departure
Direct flight
UA9090
starting at $738
Chicago — London
12/09/2026
Departure
Direct flight
UA938
starting at $704
Chicago — London
11/17/2026
Departure
Direct flight
UA929
starting at $738
Chicago — London
12/14/2026
Departure
Direct flight
AA2868
starting at $759
Chicago — London
12/15/2026
Departure
Direct flight
AA2868
starting at $759
Chicago — London
11/16/2026
Departure
Direct flight
AA90
starting at $687
Chicago — London
11/14/2026
Departure
Direct flight
BA294
starting at $740
Chicago — London
11/20/2026
Departure
Direct flight
UA9090
starting at $935
starting at $640
starting at $686
starting at $687
starting at $740
starting at $282
starting at $289
starting at $501
starting at $682
The route Chicago — London is served by many carriers — 8 in total, including United Airlines, Iberia, American Airlines, British Airways, JetBlue Airways, Icelandair, Air Canada, and Aer Lingus. This gives passengers wide opportunities: from finding the lowest fare (from $282) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.
On the Chicago — London route, prices first decline, hit a low, then start rising again. The middle of the period creates a price window — the best time to book.
Prices fall from October 2026 to November 2026 (57%), then rise from November 2026 to December 2026 (+17%). The best period is November 2026–December 2026 ($267), the most expensive is October 2026–November 2026 ($409).
The best time to buy is November 2026–December 2026, when prices are at their lowest. This can save you up to 35% compared to the expensive months (October 2026–November 2026).
Monthly price variation is 38%. On this route, your departure date noticeably affects the cost, and choosing wisely can lead to real savings.
In different months, ticket prices from Chicago to London vary: minimum — $246 (November 2026), maximum — $573 (October 2026). Typically, the flight costs $289–$346.
The cheapest flight ticket from Chicago to London according to data for the last 48 hours costs $282
Often the best time to buy tickets from Chicago to London is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Chicago to London can be found flying in these months: November, January, December.
The fastest flights from Chicago to London start from 10 hours 20 minutes in the air.
The following airlines operate direct flights on the route Chicago — London: United Airlines, Iberia, American Airlines
The cheapest one-way flight from Chicago to London departs on 11/16/2026, is operated by JetBlue Airways and costs $282
The cheapest roundtrip flight from Chicago to London departs on 11/11/2026, is operated by TAP Portugal and costs $681
Fastest flight from Chicago to London takes 10h 20m
There are direct flights on this route 6 days a week: Mo, Tu, We, Th, Fr, and Sa
The distance between Chicago and London is 6352km (3938 miles). The average flight duration is 8h 15m. There are 138 direct flights from Chicago to London. The time difference between Chicago and London is 6h. Flights from Chicago begin at 4:30 PM. The latest flight from Chicago departs at 10:30 PM