Cheap flights from Ontario to the United Kingdom from $375
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to the United Kingdom departing on 8/27. 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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British Airways flights from Ontario to United Kingdom
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United Airlines flights from Ontario to United Kingdom
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How to get the cheapest flight ticket from Ontario to United Kingdom
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 Kingdom?
In general, October is the cheapest month to fly from Ontario to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $668. If you aren’t able to travel to United Kingdom during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $683.
What is the cheapest day to depart on your flight to United Kingdom?
The cheapest day to depart from Ontario to United Kingdom is on a Wednesday when prices can be found for as low as $668. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $1,112.
What is the cheapest time of day to depart on your flight to United Kingdom?
According to our data, the cheapest time of day to fly to United Kingdom is in the evening. momondo users have found flights departing from Ontario to United Kingdom in the evening for as low as $662. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the morning, with an average ticket price of $871. 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 Kingdom?
You are more likely to see cheaper flights to United Kingdom from Ontario when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $823 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Ontario for as low as $731 on momondo.
What is the cheapest airline that flies from Ontario to United Kingdom?
Virgin Atlantic, British Airways, and Iberia are the most popular carriers operating from Ontario to United Kingdom
What airlines fly to United Kingdom?
British Airways, American Airlines and Iberia are the top three most popular airlines that fly to United Kingdom from Ontario according to our data. British Airways is the first choice among our users, with 49% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 21 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.
Cheap Ontario to United Kingdom flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to United Kingdom
Best Price Found | $375 |
|---|---|
Fastest flight time | 12h 00m |
Direct flights | None |
Airports in United Kingdom | 7 airports |
When did momondo last update prices for flights from Ontario Airport to United Kingdom?
Prices for flights from Ontario Airport to United Kingdom were last updated today.
How many operators does momondo search for flights from Ontario Airport to United Kingdom?
As of April 2025, there are 6 operators available to choose from for flights from Ontario Airport to United Kingdom.
How old do you have to be to fly from Ontario Airport to United Kingdom?
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 Ontario Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Ontario to United Kingdom
Compare and see reviews for airlines that fly from Ontario to United Kingdom with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $454 | Free Cancellation | Rating 7.4 643 reviews | |||
| PriceFrom $582 | Free Cancellation | Rating 7.0 2,700 reviews | |||
| PriceFrom $610 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $611 | Free Cancellation | Rating 6.6 6,837 reviews | |||
| PriceFrom $629 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $632 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to United Kingdom?
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 Ontario to United Kingdom for you.
Can I find flights from Ontario to United Kingdom with flexible booking policies on momondo?
momondo does allow users to show only those flights to United Kingdom from Ontario which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Ontario to United Kingdom?
momondo provides multiple filters to help you find the best flight to United Kingdom from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Ontario to United Kingdom right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ontario to United Kingdom now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to United Kingdom and let you know when they change.