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Cheap flights from Ontario to Pittsburgh from $133

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 4/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ontario to Pittsburgh.
Frontier Logo
12:59 am - 4:27 pmONT-PIT
12h 28m1 stop
Frontier Logo
5:22 pm - 11:50 pmPIT-ONT
9h 28m1 stop
$298Frontier
Find Deal
Thu, Jun 5 - Mon, Jun 9
American Airlines Logo
12:50 pm - 10:55 pmONT-PIT
7h 05m1 stop
American Airlines Logo
11:38 am - 6:29 pmPIT-ONT
9h 51m1 stop
$307American Airlines
Find Deal
Wed, Apr 23 - Tue, Apr 29
Delta Logo
12:07 pm - 12:13 amONT-PIT
9h 06m1 stop
Delta Logo
6:25 pm - 10:36 pmPIT-ONT
7h 11m1 stop
$325Delta
Find Deal
Wed, Apr 23 - Mon, Apr 28
Delta Logo
6:00 am - 4:44 pmONT-PIT
7h 44m1 stop
Delta Logo
6:20 pm - 10:36 pmPIT-ONT
7h 16m1 stop
$327Delta
Find Deal
Wed, Apr 30 - Sat, May 3
Southwest Logo
6:40 am - 3:40 pmONT-PIT
6h 00m1 stop
Southwest Logo
2:55 pm - 7:35 pmPIT-ONT
7h 40m1 stop
$338Southwest
Find Deal
Thu, Sep 18 - Wed, Sep 24
Alaska Airlines Logo
7:17 pm - 6:48 amONT-PIT
8h 31m1 stop
Alaska Airlines Logo
8:10 am - 2:06 pmPIT-ONT
8h 56m1 stop
$360Alaska Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 22
Southwest Logo
7:00 am - 7:45 pmONT-PIT
9h 45m2 stops
Southwest Logo
2:55 pm - 9:00 pmPIT-ONT
9h 05m2 stops
$371Southwest
Find Deal
Thu, Sep 18 - Wed, Sep 24
Alaska Airlines Logo
7:17 pm - 6:48 amONT-PIT
8h 31m1 stop
Alaska Airlines Logo
8:10 am - 2:06 pmPIT-ONT
8h 56m1 stop
$378Alaska Airlines
Find Deal
Thu, Sep 18 - Sat, Sep 27
United Airlines Logo
1:20 pm - 10:37 pmONT-PIT
6h 17m1 stop
United Airlines Logo
8:28 am - 12:38 pmPIT-ONT
7h 10m1 stop
$427United Airlines
Find Deal
Wed, May 7 - Sat, May 10
United Airlines Logo
1:35 pm - 11:02 pmONT-PIT
6h 27m1 stop
United Airlines Logo
6:55 am - 2:50 pmPIT-ONT
10h 55m1 stop
$443United Airlines
Find Deal
Tue, Apr 22 - Thu, Apr 24

Frontier flights from Ontario to Pittsburgh

Our best Frontier deals on Ontario to Pittsburgh flight tickets
Frontier
Jun 5
ONT12:59 amOntario
12h 28m
1 stop
PIT4:27 pmPittsburgh
Jun 9
PIT5:22 pmPittsburgh
9h 28m
1 stop
ONT11:50 pmOntario
Frontier
Jul 10
ONT5:21 pmOntario
20h 24m
1 stop
PIT4:45 pmPittsburgh
Jul 14
PIT5:40 pmPittsburgh
9h 10m
1 stop
ONT11:50 pmOntario

American Airlines flights from Ontario to Pittsburgh

Our best American Airlines deals on Ontario to Pittsburgh flight tickets
American Airlines
Apr 23
ONT12:50 pmOntario
7h 05m
1 stop
PIT10:55 pmPittsburgh
Apr 29
PIT11:38 amPittsburgh
9h 51m
1 stop
ONT6:29 pmOntario
American Airlines
Apr 23
ONT12:50 pmOntario
6h 32m
1 stop
PIT10:22 pmPittsburgh
Apr 29
PIT3:52 pmPittsburgh
9h 06m
2 stops
ONT9:58 pmOntario
American Airlines
Apr 23
ONT7:25 pmOntario
10h 53m
2 stops
PIT9:18 amPittsburgh
Apr 29
PIT3:52 pmPittsburgh
9h 06m
2 stops
ONT9:58 pmOntario

See travel insights to Pittsburgh from

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 $388. The month of April is another great option to travel to Pittsburgh, with average flight prices from Ontario averaging around $392.

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 Wednesday when prices can be found for as low as $195. 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 Monday will generally be more expensive and average around $249. 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 $203. 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 $461 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 $259 on momondo.

How have Ontario to Pittsburgh flight prices changed over time?

As of April 2025, prices for Ontario to Pittsburgh flights are approximately 26% cheaper when compared to flights at the same time last year.

When to book flights from Ontario to Pittsburgh

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Pittsburgh according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$133

Fastest flight time

6h 00m

Direct flights

None

Airports in Pittsburgh

1 airport
The best one-way flight to Pittsburgh from Ontario in the past 72 hours is $133. The best round-trip flight deal from Ontario to Pittsburgh found on momondo in the last 72 hours is $298.
The fastest flight from Ontario to Pittsburgh takes 6h 00m
There are no direct flights from Ontario to Pittsburgh. Popular non-direct route for this connection is Ontario Airport - Pittsburgh Airport.
There is 1 airport near Pittsburgh: Pittsburgh (PIT)

  • 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 6h 00m.

  • 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?

  • 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?


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
Spirit AirlinesPriceFrom $75Free CancellationRating
6.3
7,886 reviews
Search Spirit Airlines flights
FrontierPriceFrom $148Free CancellationRating
5.9
3,277 reviews
Search Frontier flights
American AirlinesPriceFrom $312Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $313Free CancellationRating
8.0
7,899 reviews
Search Delta flights
United AirlinesPriceFrom $342Free CancellationRating
7.4
8,615 reviews
Search United Airlines flights
SouthwestPriceFrom $346Free CancellationRating
8.0
4,275 reviews
Search Southwest flights

Traveling to a place near Pittsburgh?

Book flights to Pittsburgh if you plan to visit one of these locations
Monroeville
Wheeling
Washington
Butler
West Mifflin
Belle Vernon
Moon
Steubenville
New Castle
Canonsburg
Coraopolis
Triadelphia
Mars
Wexford
Freeport
Cadiz
Chester
Bridgeport

Why 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.


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