฿12,465 Cheap Flights from Chicago (CHI) to London (LON)

View ฿12,465 flight on Wed, 3 Dec 2025Opens in a new window

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Cheap Flights from Chicago (CHI) to London (LON)

Prices were available within the past 7 days and start at ฿12,465 for one-way flights and ฿20,065 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 29 Oct - Wed, 5 Nov
ORD
Chicago
LHR
London
฿20,065 Return, found 5 days ago
฿20,065
Return
found 5 days ago
Select United flight, departing Wed, 29 Oct from Chicago to London, returning Wed, 5 Nov, priced at ฿20,065 found 5 days ago
Air Canada
Wed, 29 Oct - Wed, 5 Nov
ORD
Chicago
LHR
London
฿20,405 Return, found 5 days ago
฿20,405
Return
found 5 days ago
Select Air Canada flight, departing Wed, 29 Oct from Chicago to London, returning Wed, 5 Nov, priced at ฿20,405 found 5 days ago
United
Wed, 29 Oct - Wed, 5 Nov
ORD
Chicago
LHR
London
฿20,525 Return, found 5 days ago
฿20,525
Return
found 5 days ago
Select United flight, departing Wed, 29 Oct from Chicago to London, returning Wed, 5 Nov, priced at ฿20,525 found 5 days ago
Swiss International Air Lines
Wed, 29 Oct - Wed, 5 Nov
ORD
Chicago
LHR
London
฿20,985 Return, found 5 days ago
฿20,985
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 29 Oct from Chicago to London, returning Wed, 5 Nov, priced at ฿20,985 found 5 days ago
United
Wed, 29 Oct - Wed, 5 Nov
ORD
Chicago
LHR
London
฿21,010 Return, found 5 days ago
฿21,010
Return
found 5 days ago
Select United flight, departing Wed, 29 Oct from Chicago to London, returning Wed, 5 Nov, priced at ฿21,010 found 5 days ago
Delta
Wed, 29 Oct - Wed, 5 Nov
ORD
Chicago
LHR
London
฿21,195 Return, found 5 days ago
฿21,195
Return
found 5 days ago
Select Delta flight, departing Wed, 29 Oct from Chicago to London, returning Wed, 5 Nov, priced at ฿21,195 found 5 days ago
Air Canada
Wed, 29 Oct - Wed, 5 Nov
ORD
Chicago
LHR
London
฿21,225 Return, found 5 days ago
฿21,225
Return
found 5 days ago
Select Air Canada flight, departing Wed, 29 Oct from Chicago to London, returning Wed, 5 Nov, priced at ฿21,225 found 5 days ago
Lufthansa
Wed, 29 Oct - Wed, 5 Nov
ORD
Chicago
LHR
London
฿21,665 Return, found 5 days ago
฿21,665
Return
found 5 days ago
Select Lufthansa flight, departing Wed, 29 Oct from Chicago to London, returning Wed, 5 Nov, priced at ฿21,665 found 5 days ago
Swiss International Air Lines
Wed, 29 Oct - Wed, 5 Nov
ORD
Chicago
LCY
London
฿21,795 Return, found 5 days ago
฿21,795
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 29 Oct from Chicago to London, returning Wed, 5 Nov, priced at ฿21,795 found 5 days ago
British Airways
Wed, 29 Oct - Wed, 5 Nov
ORD
Chicago
LHR
London
฿21,920 Return, found 5 days ago
฿21,920
Return
found 5 days ago
Select British Airways flight, departing Wed, 29 Oct from Chicago to London, returning Wed, 5 Nov, priced at ฿21,920 found 5 days ago

Find the cheapest month to fly from Chicago (CHI) to London (LON)

November is typically the cheapest month to fly

From ฿14,601 - ฿28,537 per traveller.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Heathrow
Return price
฿20,065
Distance
6307 km

Book with confidence

Illinois to England Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Illinois to England will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring England.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with CHI to LON flights that won’t make your bank account wince. Ready to temporarily leave behind Illinois for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to LON with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Illinois to England Flights

Explore a world of travel with Expedia

London Airports

London

Chicago to Heathrow
฿20,065.00
Chicago Airports

Chicago

O'Hare Intl. to London
฿20,065.00
*Available to Expedia members.