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Cheap Flights from Chicago to London $432.67

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Cheapest Flights from Chicago to London (ORD to LHR)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.
London Airports

London

$1640.79

$474.46

$555.25

$580.16

Southend-on-Sea

$4811.46

Interesting Facts About Flights from Chicago to London (ORD to LHR)

Question : Which airline is offering the cheapest round-trip flight from ORD to LHR?
Answer : Check out Icelandair, as they have been booking customers at lower fares than most.

Question : Should you take that vacation to London in the next 30 days?
Answer : As of December 5th, the cheapest day to fly from Chicago to London is December 13th. Tickets have been sold for 19% below the average price for this route.

Question : Is this route your best bet for getting to London with minimal delays?
Answer : ORD to LHR currently scores 2.5 out of a possible 5 stars in promptness. This score combines both the number of delayed flights and total delayed minutes. With 2.5 stars, you should plan on being extra flexible with your arrival plans.

Question : How many days should you spend in London if you're flying in from Chicago?
Answer : Travelers from ORD to LHR stay 11 days on average.

Question : When travelling to London from Chicago, how long will you be in the air?
Answer : On average, the flight time from Chicago to London is 7 hours and 45 minutes.

Question : How many different departure times are there each day?
Answer : On average, you can expect to see 30 available departure times for this route. You won't have as many choices on this route as most others.