Cheap flights from London, Ontario to the United States from C$ 201
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 6/8. 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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United Airlines flights from London, Ontario to United States
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WestJet flights from London, Ontario to United States
Our best WestJet deals on London, Ontario to United States flight tickets
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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?
The month of April is, on average, the cheapest month to fly to United States from London, Ontario, with most prices found around C$ 510. If you don’t want to visit United States in April, then you should wait until January to fly from London, Ontario, when ticket prices are also cheap, with an average price of C$ 521.
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$ 499. 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$ 732.
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$ 572. Flights to United States are more costly in the morning, with an average ticket price of C$ 668. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to United States?
You are more likely to see cheaper flights to United States from London, Ontario when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to United States for around C$ 623 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from London, Ontario for as low as C$ 447 on momondo.
What is the cheapest airline that flies from London to United States?
Air Canada, WestJet, and United Airlines are the most popular carriers operating from London to United States
Which 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 39% of people opting to fly with this airline when travelling to United States. Keep in mind that there are 13 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.
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
Best price found | C$ 201 |
|---|---|
Fastest flight time | 3h 34m |
Direct flights | None |
Airports in United States | 9 airports |
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?
As of June 2025, there are 4 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from London, Ontario to United States is Boeing 737 MAX 8, representing 46.49% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 35.96%, Boeing 737-800 at 5.26%, and Airbus A321-100/200 at 2.63%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom C$ 190 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom C$ 238 | Free Cancellation | Rating 7.2 2,868 reviews | |||
| PriceFrom C$ 328 | Free Cancellation | Rating 7.1 9,531 reviews |
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.