PIT - ONT

$158 Find Cheap Flights from Pittsburgh to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$372
Typical prices: $350-$506
United Airlines
Mon 10/29Sun 11/18
PIT - ONT • 1 stop
Cheapest one-way
$189
Typical prices: $197-$440
Delta
Sun 10/21
PIT - ONT • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Pittsburgh and Ontario. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
September
Cheapest • 31% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Seattle/Tacoma Intl (SEA)
Cheapest • Avg $264 (round-trip)
Las Vegas Harry Reid Intl (LAS)
Shortest trip • 6h 54m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Pittsburgh to Ontario (PIT-ONT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Pittsburgh to Ontario

Thu, Oct 29 - Wed, Nov 18
United Airlines Logo
5:10 pm - 9:40 pmPIT  Pittsburgh-ONT Ontario
7h 30m1 stop Houston George Bush Intcntl
United Airlines Logo
5:00 am - 2:36 pmONT  Ontario-PIT Pittsburgh
6h 36m1 stop Denver Intl
$372United Airlines
Wed, Oct 21 - Tue, Oct 27
United Airlines Logo
5:06 pm - 9:59 pmPIT  Pittsburgh-ONT Ontario
7h 53m1 stop Houston George Bush Intcntl
United Airlines Logo
5:00 am - 2:36 pmONT  Ontario-PIT Pittsburgh
6h 36m1 stop Denver Intl
$372United Airlines
Sat, Oct 31 - Sat, Nov 7
American Airlines Logo
3:40 pm - 9:11 pmPIT  Pittsburgh-ONT Ontario
8h 31m1 stop Dallas/Fort Worth
American Airlines Logo
10:30 am - 10:38 pmONT  Ontario-PIT Pittsburgh
9h 08m1 stop Dallas/Fort Worth
$376American Airlines
Tue, Nov 3 - Wed, Nov 11
American Airlines Logo
3:34 pm - 10:57 pmPIT  Pittsburgh-ONT Ontario
10h 23m1 stop Dallas/Fort Worth
American Airlines Logo
1:23 pm - 10:46 pmONT  Ontario-PIT Pittsburgh
6h 23m1 stop Phoenix Sky Harbor Intl
$377American Airlines
Thu, Feb 18 - Thu, Feb 25
Delta Logo
7:00 am - 11:27 amPIT  Pittsburgh-ONT Ontario
7h 27m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:00 am - 6:37 pmONT  Ontario-PIT Pittsburgh
8h 37m1 stop Atlanta Hartsfield-Jackson
$377Delta
Mon, Dec 14 - Sat, Jan 16
Delta Logo
5:35 pm - 11:57 pmPIT  Pittsburgh-ONT Ontario
9h 22m1 stop Salt Lake City
Delta Logo
12:00 pm - 9:49 pmONT  Ontario-PIT Pittsburgh
6h 49m1 stop Atlanta Hartsfield-Jackson
$377Delta
Thu, Dec 3 - Tue, Jan 19
Southwest Logo
5:50 am - 12:10 pmPIT  Pittsburgh-ONT Ontario
9h 20m2 stops Denver Intl Phoenix Sky Harbor Intl
Southwest Logo
7:15 am - 4:05 pmONT  Ontario-PIT Pittsburgh
5h 50m1 stop Denver Intl
$382Southwest
Thu, Dec 3 - Tue, Jan 19
Southwest Logo
8:25 am - 2:40 pmPIT  Pittsburgh-ONT Ontario
9h 15m2 stops Chicago Midway Denver Intl
Southwest Logo
11:00 am - 11:00 pmONT  Ontario-PIT Pittsburgh
9h 00m2 stops Las Vegas Harry Reid Intl Denver Intl
$387Southwest
Wed, Jan 6 - Thu, Jan 14
Alaska Airlines Logo
8:05 am - 3:20 pmPIT  Pittsburgh-ONT Ontario
10h 15m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:00 am - 8:35 pmONT  Ontario-PIT Pittsburgh
10h 35m1 stop Seattle/Tacoma Intl
$393Alaska Airlines
Mon, Nov 23 - Tue, Dec 1
Alaska Airlines Logo
8:12 am - 3:05 pmPIT  Pittsburgh-ONT Ontario
9h 53m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:00 am - 8:30 pmONT  Ontario-PIT Pittsburgh
11h 30m1 stop Seattle/Tacoma Intl
$393Alaska Airlines
Booking Insights

Price, demand and travel trends for Pittsburgh to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Pittsburgh to Ontario?

Round-trip flights from Pittsburgh to Ontario typically range from $350 to $506. The lowest price found in the past 5 days was $372, on United Airlines.

What's the cheapest day of the week to fly from Pittsburgh to Ontario?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Pittsburgh to Ontario. It’s 20% cheaper than the average day, while Monday is the most expensive, with prices 37% higher.

What’s the cheapest month to fly from Pittsburgh to Ontario?

•September is the cheapest month to fly from Pittsburgh to Ontario at $305 round-trip.
•July ($773) and January ($767) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 153% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Pittsburgh to Ontario flights

Low season

September

Cheapest flight

$189
The most popular month to fly with an average 14% increase in travelers.
One-way flight from Pittsburgh to Ontario

When to book flights from Pittsburgh to Ontario

Are your dates flexible? Find out the best times to travel from Pittsburgh to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Pittsburgh to Ontario flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Pittsburgh to Ontario?

    Two cabin classes are available on flights from Pittsburgh to Ontario:

    • Economy Class
    • First Class

  • How long is a flight from Pittsburgh to Ontario?

    A nonstop flight from Pittsburgh to Ontario takes 00m, covering 2,084 miles.

  • Do I need a passport to fly from Pittsburgh to Ontario?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Pittsburgh to Ontario flight?

    Round-trip flights from Pittsburgh to Ontario range from $350 to $506, with an average of $441 over the past 12 months. Anything below $350 counts as a good deal.

  • Have flight prices from Pittsburgh to Ontario changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $372 to $2,430. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Pittsburgh to Ontario looking right now?

    One-way fares from Pittsburgh to Ontario are currently lower than usual. Average one-way flight prices are about $228, which is 11% below the typical average for this route.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:

    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

  • Which airports can I use when flying from Pittsburgh to Ontario?

    Flights from Pittsburgh to Ontario usually depart from Pittsburgh (PIT) and arrive at Ontario (ONT).

  • Which airports do connecting flights from Pittsburgh to Ontario pass through?

    One-stop flights from Pittsburgh to Ontario most commonly connect through:

    • Denver Intl (DEN) - 43% of one-stop connections
    • Dallas/Fort Worth (DFW) - 25% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 14% of one-stop connections
    • Chicago Midway (MDW) - 5% of one-stop connections

  • Can I save money by using flexible dates for flights from Pittsburgh to Ontario?

    Yes. Flexible dates can save you up to 42% on flights from Pittsburgh to Ontario. Wednesday is the cheapest departure day at $357 round-trip on average, while Monday is the most expensive at $608, a difference of $251.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Pittsburgh to Ontario?

    Flying via Las Vegas Harry Reid Intl (LAS) gives the shortest average 1-stop total travel time at 6h 54m, compared with 6h 59m via Denver Intl (DEN) and 7h 06m via Phoenix Sky Harbor Intl (PHX).

  • What is the time difference between Pittsburgh and Ontario?

    Ontario is 3 hours behind Pittsburgh (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

Your guide to booking Pittsburgh to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Monday. On this route, Wednesday flights average $357, about $251 less than Monday fares (41% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Pittsburgh to Ontario trip for September. Fares historically average $305 round-trip in that month - typically $468 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

    • Azure Hotel & Suites, Trademark Collection by Wyndham
    • La Quinta Inn & Suites by Wyndham Ontario Airport
    • Ontario Airport Inn

More options for your flight from Pittsburgh to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Car rentals in Ontario
Hotels in Ontario
Vacations in Ontario