Cheap flights from Ontario to Pittsburgh from $144
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 Pittsburgh departing on 8/12. 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 Ontario to Pittsburgh
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 Pittsburgh?
In general, August is the cheapest month to fly from Ontario to Pittsburgh. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $342. The month of September is another great option to travel to Pittsburgh, with average flight prices from Ontario averaging around $366.
What is the cheapest day to depart on your flight to Pittsburgh?
The cheapest day to depart on your flight to Pittsburgh is on a Tuesday when prices can be found for as low as $254. This is often the case because there is less demand to fly during this day of the week. Flights from Ontario to Pittsburgh on a Sunday will generally be more expensive and average around $292. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Pittsburgh?
Our data shows that the cheapest Ontario to Pittsburgh flights are usually those with departure times in the evening. Our users have found flights to Pittsburgh in the evening for as low as $212. Flights to Pittsburgh are more costly at noon, with an average ticket price of $354. Departure times at noon 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 Pittsburgh?
You are more likely to see cheaper flights to Pittsburgh from Ontario when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to Pittsburgh for around $450 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Pittsburgh from Ontario for as low as $289 on momondo.
What is the cheapest airline that flies from Ontario to Pittsburgh?
Alaska Airlines, Frontier, and United Airlines are the most popular carriers operating from Ontario to Pittsburgh
What airlines fly to Pittsburgh?
American Airlines, Spirit Airlines and Delta are the top three most popular airlines that fly to Pittsburgh from Ontario according to our data. American Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Pittsburgh. Keep in mind that there are 8 different airlines that fly to Pittsburgh on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Pittsburgh
Cheap Ontario to Pittsburgh (ONT to PIT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Pittsburgh
How far is Ontario to Pittsburgh by plane?
A flight from Ontario to Pittsburgh will travel around 2099.2 mi. In terms of flight time, this usually takes a little over 5h 55m.
When did momondo last update prices for flights from Ontario Airport to Pittsburgh Airport?
Prices for flights from Ontario Airport to Pittsburgh Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to Pittsburgh Airport?
As of June 2025, there are 5 operators available to choose from for flights from Ontario Airport to Pittsburgh Airport.
How old do you have to be to fly from Ontario Airport to Pittsburgh Airport?
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 Pittsburgh Airport.
What documentation or ID do you need to fly to Pittsburgh Airport?
The travel and health documents you'll need for your trip to Pittsburgh 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 Pittsburgh Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ontario to Pittsburgh?
Based on momondo bookings for flights between Ontario and Pittsburgh, the leading airline is Southwest, making up 40% of the total bookings. Other popular airlines include American Airlines with 32%, United Airlines with 12%, and Delta with 11%.
Best airlines flying from Ontario to Pittsburgh
Compare and see reviews for airlines that fly from Ontario to Pittsburgh with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $207 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $228 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $306 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $312 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $342 | Free Cancellation | Rating 8.0 4,287 reviews |
Traveling to a place near Pittsburgh?
Book flights to Pittsburgh if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ontario to Pittsburgh?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Pittsburgh from Ontario.
Can I find flights from Ontario to Pittsburgh with flexible booking policies on momondo?
All flight searches from Ontario to Pittsburgh on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Ontario to Pittsburgh?
Once you have performed a search for Ontario to Pittsburgh 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 Ontario to Pittsburgh right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ontario to Pittsburgh now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Pittsburgh and let you know when they change.