S$1,215 Cheap Flights from London to Chicago

View S$1,215 flight on Tue, 18 Nov, 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$1,215 for one-way flights and S$903 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, 17 Aug - Tue, 2 Sep
LHR
London
ORD
Chicago
S$903 Return, found 3 days ago
S$903
Return
found 3 days ago
Select American Airlines flight, departing Sun, 17 Aug from London to Chicago, returning Tue, 2 Sep, priced at S$903 found 3 days ago
Finnair
Sun, 17 Aug - Tue, 2 Sep
LHR
London
ORD
Chicago
S$918 Return, found 3 days ago
S$918
Return
found 3 days ago
Select Finnair flight, departing Sun, 17 Aug from London to Chicago, returning Tue, 2 Sep, priced at S$918 found 3 days ago
KLM
Sun, 17 Aug - Tue, 2 Sep
LHR
London
ORD
Chicago
S$925 Return, found 3 days ago
S$925
Return
found 3 days ago
Select KLM flight, departing Sun, 17 Aug from London to Chicago, returning Tue, 2 Sep, priced at S$925 found 3 days ago
United
Sun, 17 Aug - Tue, 2 Sep
LHR
London
ORD
Chicago
S$930 Return, found 3 days ago
S$930
Return
found 3 days ago
Select United flight, departing Sun, 17 Aug from London to Chicago, returning Tue, 2 Sep, priced at S$930 found 3 days ago
American Airlines
Sun, 17 Aug - Tue, 2 Sep
LHR
London
ORD
Chicago
S$932 Return, found 3 days ago
S$932
Return
found 3 days ago
Select American Airlines flight, departing Sun, 17 Aug from London to Chicago, returning Tue, 2 Sep, priced at S$932 found 3 days ago
Delta
Sun, 17 Aug - Tue, 2 Sep
LHR
London
ORD
Chicago
S$936 Return, found 3 days ago
S$936
Return
found 3 days ago
Select Delta flight, departing Sun, 17 Aug from London to Chicago, returning Tue, 2 Sep, priced at S$936 found 3 days ago
American Airlines
Sun, 17 Aug - Tue, 2 Sep
LHR
London
ORD
Chicago
S$939 Return, found 3 days ago
S$939
Return
found 3 days ago
Select American Airlines flight, departing Sun, 17 Aug from London to Chicago, returning Tue, 2 Sep, priced at S$939 found 3 days ago
Iberia
Sun, 17 Aug - Tue, 2 Sep
LHR
London
ORD
Chicago
S$949 Return, found 3 days ago
S$949
Return
found 3 days ago
Select Iberia flight, departing Sun, 17 Aug from London to Chicago, returning Tue, 2 Sep, priced at S$949 found 3 days ago
British Airways
Sun, 17 Aug - Tue, 2 Sep
LHR
London
ORD
Chicago
S$949 Return, found 3 days ago
S$949
Return
found 3 days ago
Select British Airways flight, departing Sun, 17 Aug from London to Chicago, returning Tue, 2 Sep, priced at S$949 found 3 days ago
Finnair
Sun, 17 Aug - Tue, 2 Sep
LHR
London
ORD
Chicago
S$955 Return, found 3 days ago
S$955
Return
found 3 days ago
Select Finnair flight, departing Sun, 17 Aug from London to Chicago, returning Tue, 2 Sep, priced at S$955 found 3 days ago

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

November is typically the cheapest month to fly

From S$612 - S$898 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, Finnair, Iberia, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Return price
S$902
Distance
6307 km
Average flight time
2 hours 47 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 American Airlines, Finnair, KLM, United, Delta, Iberia, British Airways, Lufthansa, Virgin Atlantic, Air France. 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$1,215 and roundtrip prices from S$903*.
 

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 . 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$903. 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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