Cheap flights from London, ON to the United States from C$ 202
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from London to USA
Keep the following information in mind while searching for London to USA flight deals. Data was last updated 3 julio 2025.
Round-trip from | C$ 367 |
---|---|
One-way from | C$ 202 |
Popular in | September |
Cheapest in | January |
Average price | C$ 594 |
Find flight deals from London to USA
Cheapest flights from London to USAExplore the most affordable flight options available from London to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 julio 2025.
Explore the most affordable flight options available from London to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 julio 2025.
Cheapflights Fare Finder
Customize your flight search to find flights from London to USA that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 3 julio 2025.
Use the filters below to find and compare flights from London to the United States that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonLas Vegas
YXU - LAS
YXULAS
London
jue. 18/9
6:00 a.m.-3:01 p.m.
2 stops12h 01m
Las Vegas Harry Reid Intl
lun. 22/9
6:20 p.m.-5:12 a.m.
1 stop7h 52m
LondonSeattle
YXU - SEA
YXUSEA
London
jue. 7/8
6:00 a.m.-7:21 p.m.
1 stop16h 21m
Seattle/Tacoma Intl
vie. 15/8
7:35 p.m.-5:14 a.m.
1 stop6h 39m
LondonSan Francisco
YXU - SFO
YXUSFO
London
sáb. 16/8
6:00 a.m.-11:56 a.m.
1 stop8h 56m
San Francisco
sáb. 23/8
2:45 p.m.-5:14 a.m.
2 stops11h 29m
LondonSan Francisco
YXU - SFO
YXUSFO
London
mié. 10/12
9:25 a.m.-3:15 p.m.
1 stop8h 50m
San Francisco
mié. 7/1
6:00 p.m.-8:46 a.m.
2 stops11h 46m
LondonFort Lauderdale
YXU - FLL
YXUFLL
London
mié. 22/10
9:55 a.m.-7:30 p.m.
2 stops9h 35m
Fort Lauderdale
sáb. 1/11
2:45 p.m.-9:21 p.m.
1 stop6h 36m
LondonNewark
YXU - EWR
YXUEWR
London
lun. 22/9
6:15 a.m.-10:14 a.m.
1 stop3h 59m
Newark
lun. 22/9
4:55 p.m.-9:27 p.m.
1 stop4h 32m
LondonFort Lauderdale
YXU - FLL
YXUFLL
London
mié. 22/10
9:55 a.m.-10:30 p.m.
3 stops12h 35m
Fort Lauderdale
sáb. 1/11
8:50 a.m.-5:06 p.m.
2 stops8h 16m
LondonLas Vegas
YXU - LAS
YXULAS
London
mar. 8/7
6:15 a.m.-2:56 p.m.
2 stops11h 41m
Las Vegas Harry Reid Intl
lun. 14/7
12:59 a.m.-3:02 p.m.
2 stops11h 03m
LondonSeattle
YXU - SEA
YXUSEA
London
jue. 7/8
6:15 a.m.-11:00 a.m.
1 stop7h 45m
Seattle/Tacoma Intl
jue. 14/8
10:05 p.m.-3:02 p.m.
2 stops13h 57m
LondonNew York
YXU - JFK
YXUJFK
London
mar. 30/9
6:00 a.m.-4:32 p.m.
1 stop10h 32m
New York John F Kennedy Intl
mié. 22/10
5:30 p.m.-5:12 a.m.
1 stop11h 42m
Best time to book a flight from London to USA
Have a flexible travel schedule? Discover the best time to fly to USA from London with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London to the United States
What is the cheapest month to book a flight from London, Ontario to USA?
Currently, September is the cheapest month in which you can book a flight from London, Ontario to USA (average of C$ 226). Flying from London, Ontario to USA in July is currently the most expensive (average of C$ 301). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from YXU to US?
Find hourly flight availability from London to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 julio 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London, Ontario to USA as you normally would.
Reviews of airlines servicing USA
Get insights into the airlines that provide service to USA. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to USA. Reviews last updated 3 julio 2025.
Check out reviews from past customers who have flown with Delta,United Airlines, andWestJet from London to the United States to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Crew
Food
Comfort
Boarding
Overall
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Crew
Food
Comfort
Boarding
Overall
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Crew
Food
Comfort
Boarding
Overall
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Crew
Food
Comfort
Boarding
Overall
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Crew
Food
Comfort
Boarding
Overall
Reviews
Aaron,Oct 2024
TUS - LAX
Entertainment
Crew
Food
Comfort
Boarding
Overall
Reviews
Aaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from London to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for London to USA
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from London to USA
Discover the top 3 airlines that operate flights from London to USA. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 3 julio 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from London to USA?
Cheapflights helps you search for flights from London to USA via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from London to USA?
Cheapflights simply makes it quick and affordable to book flights from London to USA 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 London to USA with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from London to USA flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from London to USA become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to USA from London today and book when prices fit your budget.