$189+ Cheap flights from Pittsburgh to Ontario (PIT - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — ONT
Nov 16 — Nov 231
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Pittsburgh to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Pittsburgh to Ontario
Cheapest
Best
Last-minute
One-way
Cheapest flights from Pittsburgh to OntarioExplore the most affordable flight options available from Pittsburgh to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 17, 2026.
Explore the most affordable flight options available from Pittsburgh to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 17, 2026.
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:58 pm -
1 stop7h 42m
Tue 11/177:00 am -
1 stop6h 55m
Deal found 10/13![United Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:08 pm -
1 stop7h 49m
Thu 11/1212:18 pm -
1 stop7h 05m
Deal found 10/14![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:07 pm -
2 stops9h 44m
Mon 11/166:37 pm -
1 stop7h 33m
Deal found 10/14![United Airlines logo]()
$382
This Southwest deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:50 am -
2 stops9h 20m
Tue 11/178:40 am -
2 stops9h 25m
Deal found 10/13![Southwest logo]()
$387
This Delta deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:00 am -
1 stop8h 03m
Tue 11/2412:18 pm -
1 stop9h 28m
Deal found 10/13![Delta logo]()
$393
This Delta deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:28 pm -
1 stop7h 48m
Tue 11/2412:18 pm -
1 stop9h 28m
Deal found 10/13![Delta logo]()
$408
This American Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:43 pm -
1 stop8h 37m
Mon 11/2310:37 am -
1 stop8h 59m
Deal found 10/14![American Airlines logo]()
$411
This Southwest deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:30 pm -
2 stops9h 30m
Mon 11/163:20 pm -
1 stop6h 00m
Deal found 10/14![Southwest logo]()
$413
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:28 pm -
1 stop9h 21m
Thu 11/267:05 am -
1 stop7h 05m
Deal found 10/16![Delta logo]()
$419
Best flights from Pittsburgh to OntarioDiscover carefully curated flight deals from Pittsburgh to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 17, 2026.
Discover carefully curated flight deals from Pittsburgh to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 17, 2026.
This Delta deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:00 am -
1 stop8h 07m
Wed 12/1612:20 pm -
1 stop9h 26m
Deal found 10/13![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/84:46 pm -
1 stop7h 14m
Tue 1/267:25 am -
1 stop7h 46m
Deal found 10/13![United Airlines logo]()
$507
This Alaska Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/48:00 am -
1 stop29h 38m
Wed 2/37:00 am -
1 stop10h 35m
Deal found 10/13![Alaska Airlines logo]()
$530
This Southwest deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/254:55 pm -
1 stop6h 45m
Sat 1/22:35 pm -
1 stop6h 50m
Deal found 10/17![Southwest logo]()
$578
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/57:00 am -
1 stop7h 27m
Fri 1/812:00 pm -
1 stop6h 49m
Deal found 10/15![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/122:00 pm -
1 stop7h 44m
Mon 12/145:00 am -
1 stop6h 37m
Deal found 10/16![United Airlines logo]()
$559
This Alaska Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/78:05 am -
1 stop10h 15m
Fri 1/87:00 am -
2 stops13h 13m
Deal found 10/15![Alaska Airlines logo]()
$580
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/83:13 pm -
1 stop8h 45m
Mon 1/1112:00 pm -
2 stops20h 31m
Deal found 10/17![Delta logo]()
$550
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/205:18 pm -
1 stop8h 35m
Fri 12/255:00 am -
1 stop6h 39m
Deal found 10/13![United Airlines logo]()
$562
This Alaska Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/221:04 pm -
2 stops13h 55m
Fri 12/256:00 am -
1 stop11h 30m
Deal found 10/13![Alaska Airlines logo]()
$623
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/165:00 pm -
1 stop7h 59m
Sun 12/2011:52 pm -
1 stop7h 00m
Deal found 10/15![United Airlines logo]()
$593
Last-minute flights from Pittsburgh to OntarioDiscover last-minute flight deals from Pittsburgh to Ontario. Data last updated October 17, 2026 and is based on user searches.
Discover last-minute flight deals from Pittsburgh to Ontario. Data last updated October 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:08 pm -
1 stop7h 49m
Thu 11/1212:18 pm -
1 stop7h 05m
Deal found 10/14![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/104:58 pm -
1 stop7h 42m
Tue 11/177:00 am -
1 stop6h 55m
Deal found 10/13![United Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:50 am -
2 stops9h 20m
Tue 11/178:40 am -
2 stops9h 25m
Deal found 10/13![Southwest logo]()
$387
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:07 pm -
2 stops9h 44m
Mon 11/166:37 pm -
1 stop7h 33m
Deal found 10/14![United Airlines logo]()
$382
This Southwest deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:30 pm -
2 stops9h 30m
Mon 11/163:20 pm -
1 stop6h 00m
Deal found 10/14![Southwest logo]()
$413
This American Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:43 pm -
1 stop8h 37m
Mon 11/2310:37 am -
1 stop8h 59m
Deal found 10/14![American Airlines logo]()
$411
This Delta deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:28 pm -
1 stop7h 48m
Tue 11/2412:18 pm -
1 stop9h 28m
Deal found 10/13![Delta logo]()
$408
This Delta deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:00 am -
1 stop8h 03m
Tue 11/2412:18 pm -
1 stop9h 28m
Deal found 10/13![Delta logo]()
$393
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:28 pm -
1 stop9h 21m
Thu 11/267:05 am -
1 stop7h 05m
Deal found 10/16![Delta logo]()
$419
One-way flights from Pittsburgh to OntarioSearch for one-way flight options from Pittsburgh to Ontario. Find affordable one-way fares based on user searches. Data last updated October 17, 2026.
Search for one-way flight options from Pittsburgh to Ontario. Find affordable one-way fares based on user searches. Data last updated October 17, 2026.
This Delta deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:00 am -
1 stop8h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Delta logo]()
$189
This Trip.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/278:05 am -
1 stop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Alaska Airlines logo]()
$204
This American Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:42 pm -
1 stop8h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![American Airlines logo]()
$205
This Priceline deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:08 am -
1 stop10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Alaska Airlines logo]()
$215
This Mytrip deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:27 pm -
2 stops32h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Frontier logo]()
$221
This Southwest deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:50 pm -
1 stop8h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Southwest logo]()
$225
This Southwest deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:35 pm -
2 stops8h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Southwest logo]()
$235
This American Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:00 am -
2 stops10h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![American Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:50 pm -
1 stop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Southwest logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:30 am -
3 stops36h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/131:50 pm -
1 stop7h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Delta logo]()
$254
Find flight deals from Pittsburgh to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $372 (United Airlines) |
One-way from | $189 (Delta) |
Popular in | October |
Cheapest in | February |
Average price | $796 |
Cheapflights Fare Finder
Customize your flight search to find flights from Pittsburgh to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 17, 2026.
Use the filters below to find and compare flights from Pittsburgh to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Fri 11/13
6:00 am-11:03 am
1 stop8h 03m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$189
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Thu 12/3
5:35 pm-11:57 pm
1 stop9h 22m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$215
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Sun 11/15
5:28 pm-11:49 pm
1 stop9h 21m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$225
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Fri 12/4
12:58 pm-10:59 pm
2 stops13h 01m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$270
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Mon 12/14
5:00 pm-9:59 pm
1 stop7h 59m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$275
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Sat 11/7
8:08 am-3:13 pm
1 stop10h 05m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$284
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Sun 12/13
5:00 pm-9:59 pm
1 stop7h 59m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$295
Quickest round-trip
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Fri 3/12
4:35 pm-9:21 pm
1 stop7h 46m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$304
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Thu 12/3
12:58 pm-10:59 pm
2 stops13h 01m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$309
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Sat 3/20
4:35 pm-9:39 pm
1 stop8h 04m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$314
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Pittsburgh to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pittsburgh to Ontario in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Pittsburgh-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Pittsburgh-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Pittsburgh-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Pittsburgh-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Pittsburgh-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Pittsburgh to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Pittsburgh with our price prediction graph.
PIT-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Pittsburgh to Ontario
Prices
More
What’s the top layover airport for flights from Pittsburgh to Ontario?
Share of 1-stop round-trip flights from Pittsburgh to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 67% of 1-stop itineraries from Pittsburgh to Ontario on Cheapflights.
What’s the cheapest layover airport for flights from Pittsburgh to Ontario?
Average round-trip fare for 1-stop flights from Pittsburgh to Ontario, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $375.
What’s the fastest layover option from Pittsburgh to Ontario?
Shortest average travel time for 1-stop one-way flights from Pittsburgh to Ontario, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 6h 55m.
Which airport typically offers the quickest layover for flights from Pittsburgh to Ontario?
Average layover duration for 1-stop one-way flights from Pittsburgh to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 0h 50m.
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated October 17, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Pittsburgh to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Pittsburgh to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Ontario flight routes
Other flight options
Other flights from Pittsburgh
Popular flights
Alternative routes for Pittsburgh to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Pittsburgh to Ontario by cabin class
Find flights from Pittsburgh to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 17, 2026.
Pittsburgh and Ontario flights
Browse other Pittsburgh and Ontario flight options. Last updated on October 17, 2026.
Other flights from Pittsburgh
Browse through other flights departing from Pittsburgh. Flights are based on user searches made on Cheapflights and were last updated on October 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Pittsburgh to Ontario
Discover the top 4 airlines that operate flights from Pittsburgh to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$260 | Average$491 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$303 | Average$476 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$305 | Average$448 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$334 | Average$443 | FlexibilityNo cancel fee | On-time71% |