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Cheap flights from Ontario to Pittsburgh from $94

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 8/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

American Airlines Logo
12:22 pm - 11:28 pmONT-PIT
8h 06m1 stop
American Airlines Logo
7:03 am - 11:52 amPIT-ONT
7h 49m1 stop
$187American Airlines
Find Deal
Thu, Aug 21 - Tue, Aug 26
American Airlines Logo
12:22 pm - 11:59 pmONT-PIT
8h 37m2 stops
American Airlines Logo
5:06 am - 9:58 amPIT-ONT
7h 52m1 stop
$192American Airlines
Find Deal
Thu, Aug 21 - Tue, Aug 26
American Airlines Logo
12:22 pm - 11:59 pmONT-PIT
8h 37m2 stops
American Airlines Logo
5:48 am - 11:32 amPIT-ONT
8h 44m2 stops
$197American Airlines
Find Deal
Thu, Aug 21 - Tue, Aug 26
United Airlines Logo
6:36 pm - 5:10 amONT-PIT
7h 34m1 stop
United Airlines Logo
4:55 pm - 9:24 pmPIT-ONT
7h 29m1 stop
$209United Airlines
Find Deal
Fri, Oct 3 - Sat, Oct 4
Southwest Logo
6:20 am - 9:25 pmONT-PIT
12h 05m2 stops
Southwest Logo
5:55 am - 11:05 amPIT-ONT
8h 10m1 stop
$224Southwest
Find Deal
Mon, Sep 8 - Mon, Sep 15
 Logo
5:14 pm - 7:07 amONT-PIT
10h 53m1 stop
 Logo
8:12 am - 4:18 pmPIT-ONT
11h 06m1 stop
Thu, Aug 14 - Tue, Aug 19
Southwest Logo
12:20 pm - 9:45 pmONT-PIT
6h 25m1 stop
Southwest Logo
5:20 am - 9:45 amPIT-ONT
7h 25m1 stop
$253Southwest
Find Deal
Tue, Sep 2 - Fri, Sep 5
Delta Logo
10:00 pm - 9:00 amONT-PIT
8h 00m1 stop
Delta Logo
5:30 pm - 11:40 pmPIT-ONT
9h 10m1 stop
$297Delta
Find Deal
Mon, Aug 11 - Fri, Aug 15
Delta Logo
11:50 am - 12:22 amONT-PIT
9h 32m1 stop
Delta Logo
10:25 am - 4:08 pmPIT-ONT
8h 43m2 stops
$302Delta
Find Deal
Wed, Aug 6 - Tue, Aug 19
United Airlines Logo
5:05 am - 3:21 pmONT-PIT
7h 16m1 stop
United Airlines Logo
4:30 pm - 8:43 pmPIT-ONT
7h 13m1 stop
$341United Airlines
Find Deal
Tue, Aug 12 - Thu, Aug 21

Southwest flights from Ontario to Pittsburgh

Our best Southwest deals on Ontario to Pittsburgh flight tickets
Southwest
Sep 8
ONT6:20 amOntario
12h 05m
2 stops
PIT9:25 pmPittsburgh
Sep 15
PIT5:55 amPittsburgh
8h 10m
1 stop
ONT11:05 amOntario
Southwest
Sep 2
ONT12:20 pmOntario
6h 25m
1 stop
PIT9:45 pmPittsburgh
Sep 5
PIT5:20 amPittsburgh
7h 25m
1 stop
ONT9:45 amOntario
Southwest
Sep 2
ONT12:20 pmOntario
6h 25m
1 stop
PIT9:45 pmPittsburgh
Sep 5
PIT5:20 amPittsburgh
10h 20m
2 stops
ONT12:40 pmOntario

Frontier flights from Ontario to Pittsburgh

Our best Frontier deals on Ontario to Pittsburgh flight tickets
Frontier
Jul 13
ONT12:59 amOntario
12h 46m
1 stop
PIT4:45 pmPittsburgh
Jul 21
PIT5:40 pmPittsburgh
18h 29m
1 stop
ONT9:09 amOntario
Frontier
Jul 10
ONT5:21 pmOntario
20h 24m
1 stop
PIT4:45 pmPittsburgh
Jul 18
PIT5:40 pmPittsburgh
9h 10m
1 stop
ONT11:50 pmOntario
Frontier
Jul 20
ONT12:59 amOntario
12h 46m
1 stop
PIT4:45 pmPittsburgh
Jul 25
PIT5:40 pmPittsburgh
9h 10m
1 stop
ONT11:50 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 $342. The month of September is another great option to travel to Pittsburgh, with average flight prices from Ontario averaging around $365.

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 $258. 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 $307. 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 $207. 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 weeks ahead of your departure date. In general, you can expect to find flights to Pittsburgh for around $453 when searching 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.

How have Ontario to Pittsburgh flight prices changed over time?

As of July 2025, prices for Ontario to Pittsburgh flights are approximately 1% more expensive 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

$94

Fastest flight time

5h 55m

Direct flights

None

Airports in Pittsburgh

1 airport
The best one-way flight to Pittsburgh from Ontario in the past 72 hours is $94. The best round-trip flight deal from Ontario to Pittsburgh found on momondo in the last 72 hours is $187.
The fastest flight from Ontario to Pittsburgh takes 5h 55m
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 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?

  • 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
DeltaPriceFrom $228Free CancellationRating
8.0
7,958 reviews
Search Delta flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
8,844 reviews
Search United Airlines flights
American AirlinesPriceFrom $316Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $325Free CancellationRating
8.0
4,256 reviews
Search Southwest flights

Traveling to a place near Pittsburgh?

Book flights to Pittsburgh if you plan to visit one of these locations
Washington
Monroeville
Wheeling
Butler
West Mifflin
New Castle
Steubenville
Moon
Belle Vernon
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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1 adult
Sun 7/13
Sun 7/20

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