Cheap flights from Buffalo to Ontario from $99
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Ontario departing on 5/30. 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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How to get the cheapest flight ticket from Buffalo to 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 month to fly to Ontario?
In general, September is the cheapest month to fly from Buffalo to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $301. If you aren’t able to travel during the month of September, then book flights to Ontario from Buffalo during July instead. Flights to Ontario in July, while not as cheap as those in September, still average around $362.
What is the cheapest day to depart on your flight to Ontario?
The cheapest day to depart on your flight to Ontario is on a Saturday when prices can be found for as low as $286. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Buffalo to Ontario for around $626.
What is the cheapest time of day to depart on your flight to Ontario?
In the evening is the cheapest time of day to fly from Buffalo to Ontario when you can find flight prices for as low as $247. Flying to Ontario in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $832 on average. Flights to Ontario from Buffalo at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How have Buffalo to Ontario flight prices changed over time?
As of April 2025, prices for Buffalo to Ontario flights are approximately 81% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Buffalo to Ontario?
Frontier, Southwest, and Delta are the most popular carriers operating from Buffalo to Ontario
What airlines fly to Ontario?
American Airlines, JetBlue and Delta are the top three most popular airlines that fly to Ontario from Buffalo according to our data. American Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
When to book flights from Buffalo to Ontario
Cheap Buffalo to Ontario (BUF to ONT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Buffalo to Ontario
How far is Buffalo to Ontario by plane?
Ontario is 2161.5 mi away from Buffalo. 6h 50m is a normal flight duration for this route.
When did momondo last update prices for flights from Buffalo Airport to Ontario Airport?
Prices for flights from Buffalo Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Buffalo Airport to Ontario Airport?
As of April 2025, there are 3 operators available to choose from for flights from Buffalo Airport to Ontario Airport.
How old do you have to be to fly from Buffalo Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Buffalo to Ontario?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Buffalo to Ontario is American Airlines (44% of total bookings). The next most popular airlines are Southwest (36%) and Delta (19%).
Best airlines flying from Buffalo to Ontario
Compare and see reviews for airlines that fly from Buffalo to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $192 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $275 | Free Cancellation | Rating 8.0 7,917 reviews | |||
| PriceFrom $367 | Free Cancellation | Rating 8.0 4,280 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Buffalo to Ontario?
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 Buffalo to Ontario for you.
Can I find flights from Buffalo to Ontario with flexible booking policies on momondo?
Yes. All flights to Ontario from Buffalo on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Buffalo to Ontario?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Buffalo.
I’m not ready to book a flight from Buffalo to Ontario right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Buffalo to Ontario 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.