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Cheap Flights from Chicago to London
Searching for flights from Chicago to London that fit your budget?
Dates
Mon, Oct 26 – Wed, Oct 28
No. of travellers & Class
1 Traveller · Economy
Triwize compares major carriers to help you find cheap Chicago to London flights fast. Explore round-trip, one-way, and last-minute deals from O'Hare International (ORD) and Chicago Midway (MDW) to London Heathrow (LHR) and London Gatwick (LGW).
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Cheapest Flights to Round trip
The card below shows the cheapest round-trip fares currently available. Updated every 24 hours.
Enter your travel dates to find the best prices
Thu, 9 Jul-Sat, 11 Jul
20:45SEA
17h 00mNon-stop
17:45SIN
09:00SIN
14h 10mNon-stop
08:10SEA
$715Economy · per person
Thu, 9 Jul-Sat, 11 Jul
08:45SEA
17h 00mNon-stop
17:45SIN
9:00SIN
14h 10mNon-stop
7:10SEA
$879Economy · per person
Thu, 9 Jul-Sat, 11 Jul
08:45SEA
17h 00mNon-stop
17:45SIN
9:00SIN
14h 10mNon-stop
7:10SEA
$879Economy · per person
Thu, 9 Jul-Sat, 11 Jul
23:40SFO
16h 35mNon-stop
06:15SIN
8:45SIN
15h 30mNon-stop
09:15SFO
$1,027Economy · per person
Thu, 9 Jul-Sat, 11 Jul
23:40SFO
17h 20mNon-stop
08:00SIN
10:10SIN
15h 05mNon-stop
09:15SFO
$1,058Economy · per person
Thu, 9 Jul-Sat, 11 Jul
11:10SFO
16h 25mNon-stop
18:35SIN
08:45SIN
15h 45mNon-stop
09:30SFO
$1,064Economy · per person
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Best Time to Book Chicago to London flights
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What is the Cheapest Month to Fly from newyork to miami?January and September are typically the cheapest months to fly from newyork to newyork, according to fare data from Google Flights, Skyscanner, and momondo. Demand dips right after the holidays and again once summer ends, which tends to bring airfare deals down 15–25% versus peak months.
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When is the Cheapest Time to Book a Flight from newyork to newyork?Booking several weeks in advance can often help travelers find lower fares. Prices vary based on demand, seasonality, and availability.
Everything you need to know before you book
Quick Facts - Flights from Chicago to London
Everything You Need to Know Before You Book.
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How to Find Cheap Flights from Chicago to London
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01 Check multiple airportsCompare all three Chicago airports since fares for the same dates can vary significantly by airport.
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02 Compare flexible datesCheck different departure and return dates to find lower fares from Chicago to London.
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03 Book at the right timeCompare prices in advance and monitor fares for your Chicago to London route.
A traveller’s guide
Airlines Flying From Chicago to London
Several top international airlines fly directly from Chicago to London, featuring nonstop routes and high-end1Airline Name
JFK,LGA,EWR→MIA
New York's largest domestic carrier by seats; free Wi-Fi on most flights
2Delta Air Lines
JFK,LGA,EWR→MIA
Major US airline offering frequent flights between New York and Miami
3American Airlines
JFK,LGA,EWR→MIA
Large US carrier with extensive domestic and international connectivity
4United Airlines
JFK,EWR→MIA
Major US airline with a strong presence at Newark and New York airports
5JetBlue
JFK,LGA→MIA
New York-based airline known for free Wi-Fi and comfortable seating
6Southwest Airlines
LGA→MIA
US carrier offering flexible fares and free checked bags on eligible fares
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Frequently Asked Questions
How long is the flight from Chicago to London?
The flight from Chicago to London takes around 7 hours 45 minutes to 8 hours 30 minutes.
What is the cheapest month to fly from Chicago to London?
February and November are generally the months with cheapest airfare for flying from Chicago to London.
Which airlines fly nonstop from Chicago to London?
Daily direct flights between Chicago O'Hare (ORD) and London Heathrow (LHR) are offered by United Airlines, American Airlines, and British Airways.
Which London airport should I fly into from Chicago?
London Heathrow (LHR) provides the highest volume of nonstop routes and connections, whereas London Gatwick (LGW) caters to budget travelers with a wider range of low-cost carriers.
How far in advance should I book a flight from Chicago to London?
The flight from Chicago to London should be booked 2 to 4 months in advance for bagging the best deals.
Are there budget or last-minute flights from Chicago to London?
You can save more by choosing one-stop options with Aer Lingus or Icelandair, or fly mid-week during off-peak hours to unlock low-cost last-minute rates.
What is the distance between Chicago and London?
Chicago and London are approximately 3,950 miles (6,357 km) distant by air travel.
Is it cheaper to fly one-way or round-trip from Chicago to London?
Booking a round-trip ticket helps in saving more than buying one-way tickets on transatlantic flights.
Plan your Trip
Terms and Conditions : Fares are sourced across 500+ airlines and include all taxes, surcharges, and Triwize service fees. Displayed prices are subject to change until ticketed. Tickets are nonrefundable, nontransferable, and subject to airline restrictions; name changes are not permitted. Triwize Coins are earned on qualified bookings, hold no cash value, are non-transferable, and may be modified or discontinued at any time. See full Terms for details.