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Cheap flights from London, Ontario to the United States from C$ 272

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to the United States departing on 4/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London, Ontario to the United States

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
7:30 a.m. - 10:03 p.m.YXU-LAX
17h 33m1 stop
WestJet Logo
7:00 a.m. - 7:12 p.m.LAX-YXU
9h 12m1 stop
C$ 401WestJet
Find Deal
Fri, 16 Jan - Sun, 25 Jan
WestJet Logo
7:30 a.m. - 10:03 p.m.YXU-LAX
17h 33m1 stop
WestJet Logo
11:50 a.m. - 6:34 a.m.LAX-YXU
15h 44m2 stops
C$ 415WestJet
Find Deal
Fri, 16 Jan - Sun, 25 Jan
WestJet Logo
7:30 a.m. - 7:50 p.m.YXU-LAX
15h 20m2 stops
WestJet Logo
11:50 a.m. - 6:34 a.m.LAX-YXU
15h 44m2 stops
C$ 428WestJet
Find Deal
Fri, 16 Jan - Sun, 25 Jan
Air Canada Logo
9:25 a.m. - 3:22 p.m.YXU-TPA
5h 57m1 stop
Air Canada Logo
4:15 p.m. - 9:21 p.m.TPA-YXU
5h 06m1 stop
C$ 496Air Canada
Find Deal
Sun, 22 Feb - Thu, 26 Feb
Air Canada Logo
5:10 a.m. - 5:26 p.m.YXU-FLL
12h 16m2 stops
Air Canada Logo
11:15 a.m. - 5:03 p.m.FLL-YXU
5h 48m1 stop
C$ 496Air Canada
Find Deal
Sun, 5 Apr - Thu, 9 Apr
Air Canada Logo
9:25 a.m. - 3:05 p.m.YXU-MCO
5h 40m1 stop
Air Canada Logo
12:10 p.m. - 5:05 p.m.MCO-YXU
4h 55m1 stop
C$ 496Air Canada
Find Deal
Wed, 21 Jan - Fri, 23 Jan
United Airlines Logo
5:10 a.m. - 10:32 a.m.YXU-LAX
8h 22m1 stop
United Airlines Logo
12:40 a.m. - 5:05 p.m.LAX-YXU
13h 25m2 stops
C$ 548United Airlines
Find Deal
Fri, 16 Jan - Sat, 24 Jan
United Airlines Logo
5:10 a.m. - 10:32 a.m.YXU-LAX
8h 22m1 stop
United Airlines Logo
12:40 a.m. - 5:05 p.m.LAX-YXU
13h 25m2 stops
C$ 549United Airlines
Find Deal
Fri, 16 Jan - Sat, 24 Jan
Multiple Airlines Logo
5:40 p.m. - 12:44 a.m.YXU-MCO
7h 04m2 stops
Multiple Airlines Logo
8:30 a.m. - 9:21 p.m.MCO-YXU
12h 51m2 stops
C$ 590Multiple Airlines
Find Deal
Tue, 2 Dec - Tue, 9 Dec
Multiple Airlines Logo
5:15 a.m. - 7:57 p.m.YXU-MCO
14h 42m2 stops
Multiple Airlines Logo
8:30 a.m. - 9:21 p.m.MCO-YXU
12h 51m2 stops
C$ 611Multiple Airlines
Find Deal
Mon, 17 Nov - Mon, 24 Nov

WestJet flights from London, Ontario to United States

Our best WestJet deals on London, Ontario to United States flight tickets
WestJet
16 Jan
YXU7:30 a.m.London
17h 33m
1 stop
LAX10:03 p.m.Los Angeles
25 Jan
LAX7:00 a.m.Los Angeles
9h 12m
1 stop
YXU7:12 p.m.London
C$ 401
Find similar
WestJet
16 Jan
YXU7:30 a.m.London
17h 33m
1 stop
LAX10:03 p.m.Los Angeles
25 Jan
LAX11:50 a.m.Los Angeles
15h 44m
2 stops
YXU6:34 a.m.London
C$ 415
Find similar
WestJet
16 Jan
YXU7:30 a.m.London
15h 20m
2 stops
LAX7:50 p.m.Los Angeles
25 Jan
LAX11:50 a.m.Los Angeles
15h 44m
2 stops
YXU6:34 a.m.London
C$ 428
Find similar

United Airlines flights from London, Ontario to United States

Our best United Airlines deals on London, Ontario to United States flight tickets
United Airlines
16 Jan
YXU5:10 a.m.London
8h 22m
1 stop
LAX10:32 a.m.Los Angeles
24 Jan
LAX12:40 a.m.Los Angeles
13h 25m
2 stops
YXU5:05 p.m.London
C$ 548
Find similar
United Airlines
16 Jan
YXU5:10 a.m.London
8h 22m
1 stop
LAX10:32 a.m.Los Angeles
24 Jan
LAX12:40 a.m.Los Angeles
13h 25m
2 stops
YXU5:05 p.m.London
C$ 549
Find similar
United Airlines
22 Feb
YXU5:10 a.m.London
11h 34m
2 stops
LAX1:44 p.m.Los Angeles
25 Feb
LAX12:55 a.m.Los Angeles
13h 10m
2 stops
YXU5:05 p.m.London
C$ 553
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London, Ontario to United States 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, momondo users made 96,600 searches. Data last updated 6 November 2025.
Use the filters below to find and compare flights from London, Ontario to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonLos Angeles

YXU - LAX

YXULAX

London

Fri 16/1

7:30 a.m.-10:03 p.m.

1 stop17h 33m

Los Angeles

Sun 25/1

7:00 a.m.-7:12 p.m.

1 stop9h 12m

C$ 401

LondonLos Angeles

YXU - LAX

YXULAX

London

Fri 16/1

7:30 a.m.-10:03 p.m.

1 stop17h 33m

Los Angeles

Sun 25/1

11:50 a.m.-6:34 a.m.

2 stops15h 44m

C$ 415

LondonLos Angeles

YXU - LAX

YXULAX

London

Fri 16/1

7:30 a.m.-7:50 p.m.

2 stops15h 20m

Los Angeles

Sun 25/1

11:50 a.m.-6:34 a.m.

2 stops15h 44m

C$ 428

LondonTampa

YXU - TPA

YXUTPA

London

Sun 22/2

9:25 a.m.-3:22 p.m.

1 stop5h 57m

Tampa

Thu 26/2

4:15 p.m.-9:21 p.m.

1 stop5h 06m

C$ 496

LondonFort Lauderdale

YXU - FLL

YXUFLL

London

Sun 5/4

5:10 a.m.-5:26 p.m.

2 stops12h 16m

Fort Lauderdale

Thu 9/4

11:15 a.m.-5:03 p.m.

1 stop5h 48m

C$ 496

LondonOrlando

YXU - MCO

YXUMCO

London

Wed 21/1

9:25 a.m.-3:05 p.m.

1 stop5h 40m

Orlando

Fri 23/1

12:10 p.m.-5:05 p.m.

1 stop4h 55m

C$ 496

LondonLos Angeles

YXU - LAX

YXULAX

London

Fri 16/1

5:10 a.m.-10:32 a.m.

1 stop8h 22m

Los Angeles

Sat 24/1

12:40 a.m.-5:05 p.m.

2 stops13h 25m

C$ 548

LondonLos Angeles

YXU - LAX

YXULAX

London

Fri 16/1

5:10 a.m.-10:32 a.m.

1 stop8h 22m

Los Angeles

Sat 24/1

12:40 a.m.-5:05 p.m.

2 stops13h 25m

C$ 549

LondonOrlando

YXU - MCO

YXUMCO

London

Tue 2/12

5:40 p.m.-12:44 a.m.

2 stops7h 04m

Orlando

Tue 9/12

8:30 a.m.-9:21 p.m.

2 stops12h 51m

C$ 590

LondonOrlando

YXU - MCO

YXUMCO

London

Mon 17/11

5:15 a.m.-7:57 p.m.

2 stops14h 42m

Orlando

Mon 24/11

8:30 a.m.-9:21 p.m.

2 stops12h 51m

C$ 611

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United States from

How to get the cheapest flight ticket from London, Ontario to United States

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to United States?

On average, the least expensive day to fly to United States from London, Ontario is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as C$ 515. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to United States on Saturday is C$ 755.

What is the cheapest time of day to depart on your flight to United States?

Our most recent data shows that the best time of day to fly to United States is in the afternoon. Flights from London, Ontario to United States during this time can be as low as C$ 591. Flights to United States are more costly in the morning, with an average ticket price of C$ 690. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London to United States flight route?

Fly from London to Orlando for the best London - United States flight prices

What cabin class options are available on London to United States flights?

There is only 1 cabin class available to choose from on London to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London, Ontario to United States flights?

No. A direct flight is the cheapest option for a flight between London, Ontario to United States.

Cheap London, Ontario to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to United States

Direct flights

None
There are no direct flights from London, Ontario to United States. There are no popular flight routes from London, Ontario to United States.
Search flight deals

  • When did momondo last update prices for flights from London Airport to United States?

    Prices for flights from London Airport to United States refresh daily.

  • How many operators does momondo search for flights from London Airport to United States?

  • How old do you have to be to fly from London Airport to United States?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to United States.

  • What documentation or ID do you need to fly to United States?

    The travel and health documents you'll need for your trip to United States may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London, Ontario to United States?

Best airlines flying from London, Ontario to United States

Compare and see reviews for airlines that fly from London, Ontario to United States with momondo
Airline
Rating
Free Cancellation
Price
Flair AirlinesPriceFrom C$ 164Free CancellationRating
6.0
253 reviews
Search Flair Airlines flights
United AirlinesPriceFrom C$ 182Free CancellationRating
7.4
9,004 reviews
Search United Airlines flights
WestJetPriceFrom C$ 247Free CancellationRating
7.2
3,154 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 312Free CancellationRating
7.1
10,409 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from London to United States?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to United States for you.

Can I find flights from London to United States with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to United States from London with this policy.

How can momondo help me find flights from London to United States?

Once you have performed a search for London to United States flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to United States right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to United States flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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