RM1,639 Cheap Flights from Chicago (ORD) to London (LHR)

View RM1,639 flight on Wed, 23 Jul 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Heathrow Airport (LHR)

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Cheap Flights from Chicago to London (ORD-LHR)

Prices were available within the past 7 days and start at RM1,639 for one-way flights and RM2,739 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, 10 Aug - Tue, 19 Aug
ORD
Chicago
LHR
London
RM2,739 Return, found 4 days ago
RM2,739
Return
found 4 days ago
Select United flight, departing Sun, 10 Aug from Chicago to London, returning Tue, 19 Aug, priced at RM2,739 found 4 days ago
Swiss International Air Lines
Sun, 10 Aug - Tue, 19 Aug
ORD
Chicago
LHR
London
RM2,824 Return, found 4 days ago
RM2,824
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Sun, 10 Aug from Chicago to London, returning Tue, 19 Aug, priced at RM2,824 found 4 days ago
United
Thu, 11 Dec - Mon, 22 Dec
ORD
Chicago
LHR
London
RM2,852 Return, found 1 day ago
RM2,852
Return
found 1 day ago
Select United flight, departing Thu, 11 Dec from Chicago to London, returning Mon, 22 Dec, priced at RM2,852 found 1 day ago
Austrian Airlines
Sun, 10 Aug - Tue, 19 Aug
ORD
Chicago
LHR
London
RM2,861 Return, found 4 days ago
RM2,861
Return
found 4 days ago
Select Austrian Airlines flight, departing Sun, 10 Aug from Chicago to London, returning Tue, 19 Aug, priced at RM2,861 found 4 days ago
United
Thu, 11 Dec - Tue, 23 Dec
ORD
Chicago
LHR
London
RM2,866 Return, found 1 day ago
RM2,866
Return
found 1 day ago
Select United flight, departing Thu, 11 Dec from Chicago to London, returning Tue, 23 Dec, priced at RM2,866 found 1 day ago
Air Canada
Thu, 11 Dec - Mon, 22 Dec
ORD
Chicago
LHR
London
RM2,881 Return, found 1 day ago
RM2,881
Return
found 1 day ago
Select Air Canada flight, departing Thu, 11 Dec from Chicago to London, returning Mon, 22 Dec, priced at RM2,881 found 1 day ago
Delta
Sun, 10 Aug - Tue, 19 Aug
ORD
Chicago
LHR
London
RM2,954 Return, found 4 days ago
RM2,954
Return
found 4 days ago
Select Delta flight, departing Sun, 10 Aug from Chicago to London, returning Tue, 19 Aug, priced at RM2,954 found 4 days ago
Air Canada
Thu, 11 Dec - Tue, 23 Dec
ORD
Chicago
LHR
London
RM2,960 Return, found 1 day ago
RM2,960
Return
found 1 day ago
Select Air Canada flight, departing Thu, 11 Dec from Chicago to London, returning Tue, 23 Dec, priced at RM2,960 found 1 day ago
British Airways
Sun, 10 Aug - Tue, 19 Aug
ORD
Chicago
LHR
London
RM2,968 Return, found 4 days ago
RM2,968
Return
found 4 days ago
Select British Airways flight, departing Sun, 10 Aug from Chicago to London, returning Tue, 19 Aug, priced at RM2,968 found 4 days ago
Air France
Sun, 10 Aug - Tue, 19 Aug
ORD
Chicago
LHR
London
RM3,020 Return, found 4 days ago
RM3,020
Return
found 4 days ago
Select Air France flight, departing Sun, 10 Aug from Chicago to London, returning Tue, 19 Aug, priced at RM3,020 found 4 days ago

Find the cheapest month to fly from Chicago (ORD) to London (LHR)

November is typically the cheapest month to fly

From RM 1,940 - RM 3,051 per traveller.

Graph displaying average flight prices per month

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Chicago to London route information
Origin airport
O'Hare Intl.
Destination airport
Heathrow
Return price
RM2,739
Distance
6307 km

Perfect flights from Chicago to London

Your Journey from Chicago to London

Start your unforgettable journey with Expedia. Our broad selection of flights from Chicago to London caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, United, Air Canada, British Airways, KLM, Swiss International Air Lines, Austrian Airlines, Air France. Our selection of flights from O'Hare Intl. to Heathrow caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Chicago to London Flights

Experience the joy of finding cheap flights from O'Hare Intl. to Heathrow that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM1,639 and roundtrip prices from RM2,739*.
 

Pre-Flight Essentials

Ensure a smooth journey from Chicago to London with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant London

Picture yourself stepping off the plane in London and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Chicago to London Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Chicago to London.
 

Beyond the Flight – Exploring London

With Expedia, your adventure extends beyond the flight. Explore London at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Chicago to London with Confidence

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*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from O'Hare Intl. Airport (ORD) to London Heathrow?
If you're travelling from O'Hare Intl. Airport (ORD) to Heathrow Airport (LHR), round-trip flights start from RM2,739. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year, so don't delay. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from O'Hare Intl. Airport (ORD) to Heathrow Airport?
Most flights can be cancelled online, but each airline has a different set of terms and conditions. If you do need to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from ORD to LHR that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for O'Hare Airport to Heathrow Airport (LHR) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from ORD to London Heathrow?
With a flight distance of 6,400 kilometres between O'Hare Intl. Airport (ORD) and London Heathrow, this is a long trip. Make sure you stay hydrated and go for a short walk down the aisle every so often.
Which airlines fly direct from ORD to London Heathrow?
Many people like to fly with United Airlines (UA) from O'Hare Intl. Airport (ORD) to LHR. This popular airline offers 91 monthly flights, so you can easily find a flight time that's perfect for you. For more options, check out the ticket prices from British Airways (BA). This airlines operates 60 monthly flights between these airports.
Are O'Hare Airport to LHR flight tickets cheaper when they're purchased at the last minute?
It is possible to find an amazing last-minute deal from ORD to Heathrow Airport, but it's also possible to miss out altogether! As many airlines release prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to book when you spot a bargain. Expedia compares carrier prices and updates flight deals frequently, so you can rest easy knowing you're always seeing the latest offers.

Explore a world of travel with Expedia

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