Cheap flights from the United States to London from $112
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to London departing on 7/25. 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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WestJet flights from United States to London, Ontario
Our best WestJet deals on United States to London, Ontario flight tickets
Flair Airlines flights from United States to London, Ontario
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How to get the cheapest flight ticket from United States to London, Ontario
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 London, Ontario?
According to our data, Wednesday is the cheapest day to fly to London, Ontario from United States. The lowest ticket price found for a Wednesday departure recently was $199. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London, Ontario on Friday is $549.
What is the cheapest time of day to depart on your flight to London, Ontario?
In the afternoon is the cheapest time of day to fly from United States to London, Ontario when you can find flight prices for as low as $284. Flying to London, Ontario in the afternoon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to London, Ontario, so prices are often more expensive at around $514 per ticket.
What is the cheapest airline that flies from United States to London?
WestJet, Air Canada, and Flair Airlines are the most popular carriers operating from United States to London
What airlines fly to London, Ontario?
Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to London, Ontario from United States according to our data. Air Canada is the first choice among our users, with 46% of people opting to fly with this airline when traveling to London, Ontario. Keep in mind that there are 9 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.
Cheap United States to London, Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from United States to London, Ontario
When did momondo last update prices for flights from United States to London Airport?
Prices for flights from United States to London Airport were last updated today.
How many operators does momondo search for flights from United States to London Airport?
As of June 2025, there are 3 operators available to choose from for flights from United States to London Airport.
How old do you have to be to fly from United States to London Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to London Airport.
What documentation or ID do you need to fly to London Airport?
The travel and health documents you'll need for your trip to London Airport 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 London Airport. 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 United States to London, Ontario?
Based on momondo bookings for flights between United States and London, Ontario, the leading plane model is Boeing 737 MAX 8, making up 80.00% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 20.00%.
Best airlines flying from United States to London, Ontario
Compare and see reviews for airlines that fly from United States to London, Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $138 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom $183 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $306 | Free Cancellation | Rating 7.2 2,868 reviews |
Traveling to a place near London?
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Why should I use momondo to find a flight deal from United States to London?
It is quick and easy to find United States to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.
Can I find flights from United States to London with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to London from United States with this policy.
How can momondo help me find flights from United States to London?
momondo helps you find the best flight between United States and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from United States to London right now. Can momondo alert me if prices change?
If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from United States and alert you when they change.