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Cheap flights from London, Ontario to the United States from $197

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 3/10. 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.
Air Canada Logo
5:40 pm - 11:50 pm
YXU
-
MCO
6h 10m
1 stop
Air Canada Logo
12:10 pm - 5:05 pm
MCO
-
YXU
4h 55m
1 stop
$325Air Canada
화, 3월 3 - 화, 3월 10
Air Canada Logo
5:40 pm - 11:50 pm
YXU
-
MCO
6h 10m
1 stop
Air Canada Logo
12:10 pm - 5:05 pm
MCO
-
YXU
4h 55m
1 stop
$350Air Canada
화, 3월 3 - 화, 3월 10
WestJet Logo
6:15 am - 12:00 pm
YXU
-
SFO
8h 45m
1 stop
WestJet Logo
6:05 pm - 5:25 am
SFO
-
YXU
8h 20m
1 stop
$368WestJet
일, 5월 24 - 월, 6월 8
WestJet Logo
2:35 pm - 9:55 pm
YXU
-
SFO
10h 20m
2 stops
WestJet Logo
6:05 pm - 5:25 am
SFO
-
YXU
8h 20m
1 stop
$374WestJet
일, 5월 24 - 월, 6월 8
Air Canada Logo
5:10 am - 11:02 pm
YXU
-
MCO
17h 52m
2 stops
Air Canada Logo
12:10 pm - 5:05 pm
MCO
-
YXU
4h 55m
1 stop
$379Air Canada
화, 3월 3 - 화, 3월 10
Air Canada Logo
5:40 pm - 11:50 pm
YXU
-
MCO
6h 10m
1 stop
Air Canada Logo
10:20 am - 5:05 pm
MCO
-
YXU
6h 45m
1 stop
$381Air Canada
수, 3월 4 - 수, 3월 11
Multiple Airlines Logo
8:10 pm - 10:05 am
YXU
-
LAX
16h 55m
2 stops
Multiple Airlines Logo
11:50 am - 6:35 am
LAX
-
YXU
15h 45m
2 stops
$392Multiple Airlines
화, 3월 3 - 화, 3월 10
United Airlines Logo
5:10 am - 2:49 pm
YXU
-
RSW
9h 39m
2 stops
United Airlines Logo
6:00 am - 5:05 pm
RSW
-
YXU
11h 05m
2 stops
$464United Airlines
목, 3월 5 - 월, 3월 9
United Airlines Logo
5:10 am - 4:48 pm
YXU
-
RSW
11h 38m
2 stops
United Airlines Logo
11:23 am - 9:21 pm
RSW
-
YXU
9h 58m
2 stops
$485United Airlines
일, 3월 1 - 수, 3월 4
Multiple Airlines Logo
8:10 pm - 11:32 pm
YXU
-
ONT
30h 22m
2 stops
Multiple Airlines Logo
6:14 am - 6:35 am
ONT
-
YXU
21h 21m
2 stops
$614Multiple Airlines
수, 3월 4 - 수, 3월 11

Air Canada flights from London, Ontario to United States

Our best Air Canada deals on London, Ontario to United States flight tickets
Air Canada
Mar 3
YXU5:40 pmLondon
6h 10m
1 stop
MCO11:50 pmOrlando
Mar 10
MCO12:10 pmOrlando
4h 55m
1 stop
YXU5:05 pmLondon
$325
Air Canada
Mar 3
YXU5:40 pmLondon
6h 10m
1 stop
MCO11:50 pmOrlando
Mar 10
MCO12:10 pmOrlando
4h 55m
1 stop
YXU5:05 pmLondon
$350
Air Canada
Mar 3
YXU5:10 amLondon
17h 52m
2 stops
MCO11:02 pmOrlando
Mar 10
MCO12:10 pmOrlando
4h 55m
1 stop
YXU5:05 pmLondon
$379

WestJet flights from London, Ontario to United States

Our best WestJet deals on London, Ontario to United States flight tickets
WestJet
May 24
YXU6:15 amLondon
8h 45m
1 stop
SFO12:00 pmSan Francisco
Jun 8
SFO6:05 pmSan Francisco
8h 20m
1 stop
YXU5:25 amLondon
$368
WestJet
May 24
YXU2:35 pmLondon
10h 20m
2 stops
SFO9:55 pmSan Francisco
Jun 8
SFO6:05 pmSan Francisco
8h 20m
1 stop
YXU5:25 amLondon
$374
WestJet
May 25
YXU5:55 pmLondon
21h 05m
1 stop
SFO12:00 pmSan Francisco
Jun 8
SFO6:05 pmSan Francisco
8h 20m
1 stop
YXU5:25 amLondon
$399

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 832,500 searches. Data last updated 2월 4, 2026.
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

LondonOrlando

YXU - MCO

YXUMCO

London

화 3/3

5:40 pm-11:50 pm

1 stop6h 10m

Orlando

화 3/10

12:10 pm-5:05 pm

1 stop4h 55m

$325

LondonOrlando

YXU - MCO

YXUMCO

London

화 3/3

5:40 pm-11:50 pm

1 stop6h 10m

Orlando

화 3/10

12:10 pm-5:05 pm

1 stop4h 55m

$350

LondonSan Francisco

YXU - SFO

YXUSFO

London

일 5/24

6:15 am-12:00 pm

1 stop8h 45m

San Francisco

월 6/8

6:05 pm-5:25 am

1 stop8h 20m

$368

LondonSan Francisco

YXU - SFO

YXUSFO

London

일 5/24

2:35 pm-9:55 pm

2 stops10h 20m

San Francisco

월 6/8

6:05 pm-5:25 am

1 stop8h 20m

$374

LondonOrlando

YXU - MCO

YXUMCO

London

화 3/3

5:10 am-11:02 pm

2 stops17h 52m

Orlando

화 3/10

12:10 pm-5:05 pm

1 stop4h 55m

$379

LondonOrlando

YXU - MCO

YXUMCO

London

수 3/4

5:40 pm-11:50 pm

1 stop6h 10m

Orlando

수 3/11

10:20 am-5:05 pm

1 stop6h 45m

$381

LondonLos Angeles

YXU - LAX

YXULAX

London

화 3/3

8:10 pm-10:05 am

2 stops16h 55m

Los Angeles

화 3/10

11:50 am-6:35 am

2 stops15h 45m

$392

LondonFort Myers

YXU - RSW

YXURSW

London

목 3/5

5:10 am-2:49 pm

2 stops9h 39m

Fort Myers SW Florida Intl

월 3/9

6:00 am-5:05 pm

2 stops11h 05m

$464

LondonFort Myers

YXU - RSW

YXURSW

London

일 3/1

5:10 am-4:48 pm

2 stops11h 38m

Fort Myers SW Florida Intl

수 3/4

11:23 am-9:21 pm

2 stops9h 58m

$485

LondonOntario

YXU - ONT

YXUONT

London

수 3/4

8:10 pm-11:32 pm

2 stops30h 22m

Ontario

수 3/11

6:14 am-6:35 am

2 stops21h 21m

$614

Flights are sorted by cheapest round-trip flights 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 month to fly to United States?

In general, September 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 $238. If you aren’t able to travel during the month of September, then book flights to United States from London, Ontario during July instead. Flights to United States in July, while not as cheap as those in September, still average around $421.

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?

You could potentially save up to 6% 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

4h 13m

Direct flights

None
The fastest flight from London, Ontario to United States takes 4h 13m
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?

    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?

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 CanadaPriceFrom $222Free CancellationRating
7.1
10,684 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.

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