$181 Cheap flight deals from Chicago (CHI) to London (LON)

This Weekend's Flight Deals from Chicago to London

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Airfares from $181 One Way, $396 Round Trip from Chicago to London

Prices starting at $396 for return flights and $181 for one-way flights to London were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

London economy flight packages

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Three Falcons Hotel
ME London
Royal Garden Hotel
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London business class flight packages

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The Westminster London, Curio Collection by Hilton
Pan Pacific London
Thistle Trafalgar - Leicester Square
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More About Flying To London from Chicago

Frequently asked questions

Are there non-stop flights from Chicago to London?
There are 3 airlines that offer direct services from ORD to LHR, so get ready to click that "book" button. One of these popular carriers will have your perfect flight:

  • British Airways
  • United Airlines
  • American Airlines

What is the shortest flight from Chicago to London?
From Chicago, the wonderful sights and sounds of London are at least 8 hours and 50 minutes away. Book your favorite seat, or maybe even one with a bit more legroom, and get to your destination in total comfort.
What airlines fly from Chicago to London most frequently?
The carriers that fly the most frequently between O'Hare Intl. Airport (ORD) and LHR include British Airways (BA). This well-known option operates 60 flights on the route each month. United Airlines (UA) will also take you to your destination in comfort and style. Offering 30 flights per month between Chicago and London, it's another popular airline to look into.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.