S$919 Cheap Flights from London to Chicago

View S$919 flight on Sat, 20 Dec, 2025Opens in a new window

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

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Cheap Flights from London to Chicago (LHR-ORD)

Prices were available within the past 7 days and start at S$919 for one-way flights and S$704 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Thu, 25 Sep - Tue, 30 Sep
LHR
London
ORD
Chicago
S$704 Return, found 22 hours ago
S$704
Return
found 22 hours ago
Select Icelandair flight, departing Thu, 25 Sep from London to Chicago, returning Tue, 30 Sep, priced at S$704 found 22 hours ago
Icelandair
Thu, 25 Sep - Mon, 29 Sep
LHR
London
ORD
Chicago
S$713 Return, found 22 hours ago
S$713
Return
found 22 hours ago
Select Icelandair flight, departing Thu, 25 Sep from London to Chicago, returning Mon, 29 Sep, priced at S$713 found 22 hours ago
Icelandair
Wed, 24 Sep - Tue, 30 Sep
LHR
London
ORD
Chicago
S$744 Return, found 22 hours ago
S$744
Return
found 22 hours ago
Select Icelandair flight, departing Wed, 24 Sep from London to Chicago, returning Tue, 30 Sep, priced at S$744 found 22 hours ago
Icelandair
Wed, 24 Sep - Mon, 29 Sep
LHR
London
ORD
Chicago
S$753 Return, found 22 hours ago
S$753
Return
found 22 hours ago
Select Icelandair flight, departing Wed, 24 Sep from London to Chicago, returning Mon, 29 Sep, priced at S$753 found 22 hours ago
Virgin Atlantic
Tue, 23 Sep - Fri, 3 Oct
LHR
London
ORD
Chicago
S$778 Return, found 22 hours ago
S$778
Return
found 22 hours ago
Select Virgin Atlantic flight, departing Tue, 23 Sep from London to Chicago, returning Fri, 3 Oct, priced at S$778 found 22 hours ago
Austrian Airlines
Sat, 13 Sep - Sat, 13 Dec
LHR
London
ORD
Chicago
S$795 Return, found 4 days ago
S$795
Return
found 4 days ago
Select Austrian Airlines flight, departing Sat, 13 Sep from London to Chicago, returning Sat, 13 Dec, priced at S$795 found 4 days ago
American Airlines
Fri, 26 Sep - Mon, 29 Sep
LHR
London
ORD
Chicago
S$801 Return, found 22 hours ago
S$801
Return
found 22 hours ago
Select American Airlines flight, departing Fri, 26 Sep from London to Chicago, returning Mon, 29 Sep, priced at S$801 found 22 hours ago
Delta
Fri, 26 Sep - Thu, 2 Oct
LHR
London
ORD
Chicago
S$841 Return, found 21 hours ago
S$841
Return
found 21 hours ago
Select Delta flight, departing Fri, 26 Sep from London to Chicago, returning Thu, 2 Oct, priced at S$841 found 21 hours ago
Finnair
Fri, 31 Oct - Sat, 8 Nov
LHR
London
ORD
Chicago
S$847 Return, found 3 days ago
S$847
Return
found 3 days ago
Select Finnair flight, departing Fri, 31 Oct from London to Chicago, returning Sat, 8 Nov, priced at S$847 found 3 days ago
British Airways
Fri, 26 Sep - Thu, 2 Oct
LHR
London
ORD
Chicago
S$869 Return, found 21 hours ago
S$869
Return
found 21 hours ago
Select British Airways flight, departing Fri, 26 Sep from London to Chicago, returning Thu, 2 Oct, priced at S$869 found 21 hours ago

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

February is typically the cheapest month to fly

From S$619 - S$908 per traveller.

Graph displaying average flight prices per month

London to Chicago route information
Origin airport
Heathrow
Destination airport
O'Hare Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Return price
S$704
Distance
6307 km
Average flight time
2 hours 44 mins

Perfect flights from London to Chicago

Your Journey from London to Chicago

Start your unforgettable journey with Expedia. Our broad selection of flights from London to Chicago 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 Icelandair, Virgin Atlantic, Austrian Airlines, American Airlines, Delta, Finnair, British Airways, Air Canada, Turkish Airlines, Lufthansa, Iberia, KLM. Our selection of flights from Heathrow to O'Hare Intl. 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 London to Chicago Flights

Experience the joy of finding cheap flights from Heathrow to O'Hare Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$919 and roundtrip prices from S$704*.
 

Pre-Flight Essentials

Ensure a smooth journey from London to Chicago 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 Chicago

Picture yourself stepping off the plane in Chicago and immersing yourself in the unique atmosphere of Chicago. 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 London to Chicago 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 London to Chicago.
 

Beyond the Flight – Exploring Chicago

With Expedia, your adventure extends beyond the flight. Explore Chicago 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 London to Chicago with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from London to Chicago with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Heathrow Airport (LHR) to O'Hare Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip journey from Heathrow Airport to O'Hare Airport was S$704. Fares this good don't hang around, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from London Heathrow to ORD?
The majority of flights can be conveniently cancelled online, but whether you incur a fee all comes down to your airline. If you do have to cancel your break, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Heathrow Airport (LHR) to ORD 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 Heathrow Airport (LHR) to O'Hare Intl. Airport (ORD) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from London Heathrow to O'Hare Intl. Airport (ORD)?
With around 6,400 kilometres separating Hounslow and Chicago, your flight will be a long one. Pack wisely to make your journey more comfortable. Simple things like warm clothes and a quality travel pillow can make a big difference.
Which airlines fly direct from Heathrow Airport to O'Hare Intl. Airport (ORD)?
Many travellers choose to fly with United Airlines (UA) from Heathrow Airport (LHR) to O'Hare Airport. It offers 91 monthly flights, so you can easily find a flight time that's right for you. Another carrier operating on this route is British Airways (BA). You'll have 60 flights every month to choose from.
Are Heathrow Airport to ORD flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Heathrow Airport to O'Hare Intl. Airport (ORD) last minute could save you some cash. However, it could end up costing a great deal more! If you'd rather avoid the risk, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia.

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