What airlines fly to United States?

Air Canada, Porter Airlines and WestJet are the top three most popular airlines that fly to United States from London, Ontario according to our data. Air Canada is the first choice among our users, with 50% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 9 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from London to United States?

Air Canada, United Airlines, and WestJet are the most popular carriers operating from London to United States

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?

The number of operators available for flights from London Airport to United States is 1 as of June 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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.

$163 Cheap Flights from London, Ontario to the United States in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London, Ontario to the United States

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:25 pm - 9:27 pm

YXU

LAX

9h 02m

1 stop

12:25 pm - 9:06 am

LAX

YXU

17h 41m

2 stops

$372Air Canada

Sat, Oct 31 - Wed, Nov 4

9:45 am - 9:39 pm

YXU

LAX

14h 54m

2 stops

12:25 pm - 9:06 am

LAX

YXU

17h 41m

2 stops

$375Air Canada

Sat, Oct 31 - Wed, Nov 4

5:55 pm - 12:25 pm

YXU

LAX

21h 30m

1 stop

1:15 pm - 4:45 pm

LAX

YXU

24h 30m

1 stop

$393WestJet

Wed, Aug 12 - Wed, Aug 19

6:10 am - 12:25 pm

YXU

LAX

9h 15m

1 stop

6:30 am - 5:20 am

LAX

YXU

19h 50m

2 stops

$423Multiple Airlines

Sat, Aug 29 - Wed, Sep 2

5:55 pm - 5:10 pm

YXU

LAX

26h 15m

1 stop

6:05 pm - 5:20 am

LAX

YXU

8h 15m

1 stop

$425WestJet

Mon, Sep 28 - Wed, Sep 30

5:55 pm - 5:10 pm

YXU

LAX

26h 15m

1 stop

6:05 pm - 5:20 am

LAX

YXU

8h 15m

1 stop

$426WestJet

Mon, Sep 28 - Wed, Sep 30

6:10 am - 4:00 pm

YXU

LAX

12h 50m

2 stops

7:30 am - 7:50 pm

LAX

YXU

9h 20m

1 stop

$427WestJet

Sat, Jul 4 - Fri, Jul 31

5:55 pm - 12:25 pm

YXU

LAX

21h 30m

1 stop

11:30 am - 5:20 am

LAX

YXU

14h 50m

2 stops

$438Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

3:25 pm - 7:35 pm

YXU

ORD

5h 10m

1 stop

10:43 am - 9:46 pm

ORD

YXU

10h 03m

2 stops

$596United Airlines

Wed, Nov 11 - Sat, Nov 14

3:25 pm - 11:42 pm

YXU

ORD

9h 17m

2 stops

6:00 am - 3:06 pm

ORD

YXU

8h 06m

2 stops

$601United Airlines

Sat, Oct 31 - Wed, Nov 4

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Air Canada flights from London, Ontario to United States

Our best Air Canada deals on London, Ontario to United States flight tickets

Air Canada

Oct 31

YXU3:25 pmLondon

9h 02m

1 stop

LAX9:27 pmLos Angeles Los Angeles

Nov 4

LAX12:25 pmLos Angeles Los Angeles

17h 41m

2 stops

YXU9:06 amLondon

$372

Air Canada

Oct 31

YXU9:45 amLondon

14h 54m

2 stops

LAX9:39 pmLos Angeles Los Angeles

Nov 4

LAX12:25 pmLos Angeles Los Angeles

17h 41m

2 stops

YXU9:06 amLondon

$375

Air Canada

Oct 31

YXU3:25 pmLondon

9h 02m

1 stop

LAX9:27 pmLos Angeles Los Angeles

Nov 4

LAX11:30 amLos Angeles Los Angeles

7h 16m

1 stop

YXU9:46 pmLondon

$468

WestJet flights from London, Ontario to United States

Our best WestJet deals on London, Ontario to United States flight tickets

WestJet

Aug 12

YXU5:55 pmLondon

21h 30m

1 stop

LAX12:25 pmLos Angeles Los Angeles

Aug 19

LAX1:15 pmLos Angeles Los Angeles

24h 30m

1 stop

YXU4:45 pmLondon

$393

WestJet

Sep 28

YXU5:55 pmLondon

26h 15m

1 stop

LAX5:10 pmLos Angeles Los Angeles

Sep 30

LAX6:05 pmLos Angeles Los Angeles

8h 15m

1 stop

YXU5:20 amLondon

$425

WestJet

Sep 28

YXU5:55 pmLondon

26h 15m

1 stop

LAX5:10 pmLos Angeles Los Angeles

Sep 30

LAX6:05 pmLos Angeles Los Angeles

8h 15m

1 stop

YXU5:20 amLondon

$426

momondo Fare Finder

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

Cheapest round-trip

LondonLos Angeles

YXU - LAX

YXULAX

London

Sat 10/31

3:25 pm-9:27 pm

1 stop9h 02m

Los Angeles Los Angeles

Wed 11/4

12:25 pm-9:06 am

2 stops17h 41m

$372

LondonLos Angeles

YXU - LAX

YXULAX

London

Sat 10/31

9:45 am-9:39 pm

2 stops14h 54m

Los Angeles Los Angeles

Wed 11/4

12:25 pm-9:06 am

2 stops17h 41m

$375

LondonLos Angeles

YXU - LAX

YXULAX

London

Wed 8/12

5:55 pm-12:25 pm

1 stop21h 30m

Los Angeles Los Angeles

Wed 8/19

1:15 pm-4:45 pm

1 stop24h 30m

$393

LondonLos Angeles

YXU - LAX

YXULAX

London

Sat 8/29

6:10 am-12:25 pm

1 stop9h 15m

Los Angeles Los Angeles

Wed 9/2

6:30 am-5:20 am

2 stops19h 50m

$423

LondonLos Angeles

YXU - LAX

YXULAX

London

Mon 9/28

5:55 pm-5:10 pm

1 stop26h 15m

Los Angeles Los Angeles

Wed 9/30

6:05 pm-5:20 am

1 stop8h 15m

$425

LondonLos Angeles

YXU - LAX

YXULAX

London

Mon 9/28

5:55 pm-5:10 pm

1 stop26h 15m

Los Angeles Los Angeles

Wed 9/30

6:05 pm-5:20 am

1 stop8h 15m

$426

LondonLos Angeles

YXU - LAX

YXULAX

London

Sat 7/4

6:10 am-4:00 pm

2 stops12h 50m

Los Angeles Los Angeles

Fri 7/31

7:30 am-7:50 pm

1 stop9h 20m

$427

LondonLos Angeles

YXU - LAX

YXULAX

London

Wed 8/12

5:55 pm-12:25 pm

1 stop21h 30m

Los Angeles Los Angeles

Wed 8/19

11:30 am-5:20 am

2 stops14h 50m

$438

Quickest round-trip

LondonChicago

YXU - ORD

YXUORD

London

Wed 11/11

3:25 pm-7:35 pm

1 stop5h 10m

Chicago O'Hare Intl

Sat 11/14

10:43 am-9:46 pm

2 stops10h 03m

$596

LondonChicago

YXU - ORD

YXUORD

London

Sat 10/31

3:25 pm-11:42 pm

2 stops9h 17m

Chicago O'Hare Intl

Wed 11/4

6:00 am-3:06 pm

2 stops8h 06m

$601

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to United States?

In general, August is the cheapest month to fly from London, Ontario to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $159. If you aren’t able to travel during the month of August, then book flights to United States from London, Ontario during May instead. Flights to United States in May, while not as cheap as those in August, still average around $214.

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

You could potentially save up to 2% on your flight if you consider stops on a London, Ontario to United States flight.

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

Fastest flight time	3h 42m
Direct flights	None

The fastest flight from London, Ontario to United States takes 3h 42m

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

Frequently asked questions about flying from London, Ontario to the United States

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?
The number of operators available for flights from London Airport to United States is 1 as of June 2026.
How old do you have to be to fly from London Airport to United States?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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?
momondo data reveals that the most frequently booked plane model on the route from London, Ontario to United States is Boeing 737-800 Passenger/BBJ2 (winglets), representing 33.33% of all bookings. The subsequent popular models are Airbus A320neo at 16.67%, Airbus A321-100/200 at 16.67%, and Airbus A321neo at 16.67%.

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
Air Canada	PriceFrom $468	Free Cancellation	Rating 7.1 11,244 reviews		Search Air Canada flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to United States. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from London to United States on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to United States from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to United States from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.