Cheap flights from the United States to London, ON from C$ 187
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from USA to London
Cheapest flights from USA to LondonExplore the most affordable flight options available from USA to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 October 2026.
Explore the most affordable flight options available from USA to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 October 2026.
Best flights from USA to LondonDiscover carefully curated flight deals from USA to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.
Discover carefully curated flight deals from USA to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 9 October 2026.
Direct flights from USA to LondonExplore direct flight options from USA to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 October 2026.
Explore direct flight options from USA to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 October 2026.
Last-minute flights from USA to LondonDiscover last-minute flight deals from USA to London. Data last updated 9 October 2026 and is based on user searches.
Discover last-minute flight deals from USA to London. Data last updated 9 October 2026 and is based on user searches.
One-way flights from USA to LondonSearch for one-way flight options from USA to London. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.
Search for one-way flight options from USA to London. Find affordable one-way fares based on user searches. Data last updated 9 October 2026.
Find flight deals from USA to London
Keep the following information in mind while searching for USA to London flight deals. Data was last updated 9 October 2026.
Cheapflights Fare Finder
Use the filters below to find and compare flights from the United States to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Fort LauderdaleLondon
FLL Fort Lauderdale - YXU London
FLLYXU
Fort Lauderdale
Fri 11/12
1:55 p.m.-5:00 p.m.
Nonstop3h 05m
London
Mon 14/12
10:15 a.m.-1:25 p.m.
Nonstop3h 10m
New YorkLondon
LGA New York LaGuardia - YXU London
LGAYXU
New York LaGuardia
Sat 21/11
8:30 p.m.-5:45 p.m.
2 stops21h 15m
London
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
OrlandoLondon
MCO Orlando - YXU London
MCOYXU
Orlando
Thu 19/11
2:10 p.m.-5:00 p.m.
Nonstop2h 50m
London
Thu 26/11
10:00 a.m.-12:55 p.m.
Nonstop2h 55m
Los AngelesLondon
LAX Los Angeles - YXU London
LAXYXU
Los Angeles
Tue 1/12
7:20 a.m.-9:52 p.m.
2 stops11h 32m
London
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
Los AngelesLondon
LAX Los Angeles - YXU London
LAXYXU
Los Angeles
Thu 5/11
5:40 p.m.-5:35 a.m.
2 stops32h 55m
London
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
Fort LauderdaleLondon
FLL Fort Lauderdale - YXU London
FLLYXU
Fort Lauderdale
Wed 27/1
7:45 p.m.-10:50 p.m.
Nonstop3h 05m
London
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
Fort LauderdaleLondon
FLL Fort Lauderdale - YXU London
FLLYXU
Fort Lauderdale
Sun 17/1
10:40 a.m.-1:45 p.m.
Nonstop3h 05m
London
Sun 24/1
6:15 a.m.-9:25 a.m.
Nonstop3h 10m
OrlandoLondon
MCO Orlando - YXU London
MCOYXU
Orlando
Sat 16/1
11:15 a.m.-2:05 p.m.
Nonstop2h 50m
London
Sat 23/1
7:10 a.m.-10:05 a.m.
Nonstop2h 55m
Los AngelesLondon
LAX Los Angeles - YXU London
LAXYXU
Los Angeles
Fri 4/12
7:20 a.m.-9:52 p.m.
2 stops11h 32m
London
Wed 31/12
12:00 a.m.-9:00 p.m.
Nonstop0h 00m
OrlandoLondon
MCO Orlando - YXU London
MCOYXU
Orlando
Wed 27/1
8:00 a.m.-2:42 p.m.
1 stop6h 42m
London
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
Best time to book a flight from USA to London
Have a flexible travel schedule? Discover the best time to fly to London from USA with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from the United States to London
Related info for your journey
Find useful and relevant information for your journey from USA to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for USA to London
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Complete your trip
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Direct flights to Ontario
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Other flights to London
Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 October 2026.
USA and London flights
Browse other USA and London flight options. Last updated on 9 October 2026.
Popular flight searches
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USA to London flights
Consider these flights travelling from USA to London.
Fly with Cheapflights
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How does Cheapflights help users find flights from USA to London?
Deals for USA to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from USA to London?
Cheapflights simply makes it quick and affordable to book flights from USA to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from USA to London with no change fees?
Yes, we can. To see specific flights from USA to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from USA to London become cheaper?
Yes, Cheapflights offers price alerts on USA to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.