$149+ Cheap flights from Pittsburgh to Ontario (PIT - ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — ONT
lug 5 — lug 121
Round-trip
1 adult, Economy
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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
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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
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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 giugno 5, 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 giugno 5, 2026.
This United Airlines deal was found by Cheapflights users on 5/31. 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.
mar 8/187:00 am
PIT
- ONT
1 stop8h 12m
United Airlines
mar 8/251:18 pm
ONT
- PIT
1 stop6h 27m
United Airlines
Deal found 5/31![United Airlines logo]()
$297
This CheapOair deal was found by Cheapflights users on 6/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 9/246:28 pm
PIT
- ONT
1 stop19h 48m
Alaska Airlines
mar 9/2912:12 pm
ONT
- PIT
1 stop14h 13m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 5/31. 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.
mar 9/226:00 am
PIT
- ONT
1 stop7h 15m
Southwest
mar 9/299:40 am
ONT
- PIT
2 stops8h 35m
Southwest
Deal found 5/31![Southwest logo]()
$368
This Southwest deal was found by Cheapflights users on 5/31. 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.
mar 8/186:30 am
PIT
- ONT
2 stops9h 00m
Southwest
mar 8/259:40 am
ONT
- PIT
2 stops8h 50m
Southwest
Deal found 5/31![Southwest logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 5/31. 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.
mar 9/157:02 am
PIT
- ONT
1 stop10h 14m
Alaska Airlines
ven 9/186:02 am
ONT
- PIT
1 stop8h 28m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$382
This American Airlines deal was found by Cheapflights users on 6/2. 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.
mar 7/73:43 pm
PIT
- ONT
1 stop9h 51m
American Airlines
mar 7/1410:25 am
ONT
- PIT
1 stop8h 23m
American Airlines
Deal found 6/2![American Airlines logo]()
$401
This CheapOair deal was found by Cheapflights users on 6/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 9/97:02 am
PIT
- ONT
1 stop10h 14m
Alaska Airlines
gio 9/106:02 am
ONT
- PIT
1 stop8h 28m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$410
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 giugno 5, 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 giugno 5, 2026.
This Delta deal was found by Cheapflights users on 6/3. 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.
mer 7/295:40 pm
PIT
- ONT
1 stop9h 08m
Delta
dom 8/910:00 pm
ONT
- PIT
1 stop8h 05m
Delta
Deal found 6/3![Delta logo]()
$436
This KAYAK deal was found by Cheapflights users on 6/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 6/247:33 pm
PIT
- ONT
1 stop7h 26m
American Airlines
ven 6/2611:59 pm
ONT
- PIT
1 stop8h 00m
American Airlines
Deal found 6/2![American Airlines logo]()
$487
This United Airlines deal was found by Cheapflights users on 6/3. 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.
mer 7/225:02 pm
PIT
- ONT
1 stop7h 53m
United Airlines
mar 7/286:10 am
ONT
- PIT
1 stop8h 00m
United Airlines
Deal found 6/3![United Airlines logo]()
$505
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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.
ven 8/286:23 pm
PIT
- ONT
1 stop22h 46m
Alaska Airlines
lun 8/313:07 pm
ONT
- PIT
1 stop11h 17m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$564
This United Airlines deal was found by Cheapflights users on 6/2. 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.
mer 7/155:02 pm
PIT
- ONT
1 stop7h 53m
United Airlines
lun 7/206:39 pm
ONT
- PIT
1 stop7h 40m
United Airlines
Deal found 6/2![United Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 6/1. 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.
gio 7/95:02 pm
PIT
- ONT
1 stop7h 53m
United Airlines
mer 7/156:39 pm
ONT
- PIT
1 stop7h 40m
United Airlines
Deal found 6/1![United Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 6/1. 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.
mer 6/245:23 pm
PIT
- ONT
1 stop8h 14m
United Airlines
mar 6/305:00 am
ONT
- PIT
1 stop7h 16m
United Airlines
Deal found 6/1![United Airlines logo]()
$547
This United Airlines deal was found by Cheapflights users on 6/2. 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.
mer 6/245:02 pm
PIT
- ONT
1 stop7h 53m
United Airlines
ven 6/266:10 am
ONT
- PIT
1 stop9h 25m
United Airlines
Deal found 6/2![United Airlines logo]()
$576
This United Airlines deal was found by Cheapflights users on 6/4. 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.
sab 7/48:30 am
PIT
- ONT
1 stop7h 17m
United Airlines
sab 7/116:10 am
ONT
- PIT
2 stops14h 13m
United Airlines
Deal found 6/4![United Airlines logo]()
$592
This United Airlines deal was found by Cheapflights users on 6/3. 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.
gio 7/96:16 pm
PIT
- ONT
1 stop7h 35m
United Airlines
dom 7/126:10 am
ONT
- PIT
1 stop8h 00m
United Airlines
Deal found 6/3![United Airlines logo]()
$617
Last-minute flights from Pittsburgh to OntarioDiscover last-minute flight deals from Pittsburgh to Ontario. Data last updated giugno 5, 2026 and is based on user searches.
Discover last-minute flight deals from Pittsburgh to Ontario. Data last updated giugno 5, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/2. 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.
mar 6/237:16 am
PIT
- ONT
1 stop9h 12m
American Airlines
mar 7/710:25 am
ONT
- PIT
1 stop8h 23m
American Airlines
Deal found 6/2![American Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 6/3. 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.
mar 6/3011:50 am
PIT
- ONT
1 stop9h 40m
Delta
gio 7/911:48 am
ONT
- PIT
1 stop10h 02m
Delta
Deal found 6/3![Delta logo]()
$436
This American Airlines deal was found by Cheapflights users on 6/4. 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.
mar 6/305:01 am
PIT
- ONT
2 stops10h 03m
American Airlines
gio 7/911:59 pm
ONT
- PIT
1 stop7h 48m
American Airlines
Deal found 6/4![American Airlines logo]()
$446
This Southwest deal was found by Cheapflights users on 6/2. 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.
ven 7/35:30 am
PIT
- ONT
2 stops8h 50m
Southwest
mar 7/142:50 pm
ONT
- PIT
1 stop6h 55m
Southwest
Deal found 6/2![Southwest logo]()
$441
This American Airlines deal was found by Cheapflights users on 6/3. 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.
ven 7/37:01 am
PIT
- ONT
1 stop9h 21m
American Airlines
ven 7/107:15 pm
ONT
- PIT
2 stops11h 15m
American Airlines
Deal found 6/3![American Airlines logo]()
$447
This Southwest deal was found by Cheapflights users on 6/2. 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.
mar 7/76:45 am
PIT
- ONT
2 stops8h 55m
Southwest
mar 7/142:50 pm
ONT
- PIT
1 stop6h 55m
Southwest
Deal found 6/2![Southwest logo]()
$400
This American Airlines deal was found by Cheapflights users on 6/2. 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.
mar 7/73:43 pm
PIT
- ONT
1 stop9h 51m
American Airlines
mar 7/1410:25 am
ONT
- PIT
1 stop8h 23m
American Airlines
Deal found 6/2![American Airlines logo]()
$401
This American Airlines deal was found by Cheapflights users on 6/2. 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.
gio 7/237:46 am
PIT
- ONT
1 stop7h 16m
American Airlines
mar 7/281:11 pm
ONT
- PIT
1 stop6h 40m
American Airlines
Deal found 6/2![American Airlines logo]()
$424
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 giugno 5, 2026.
Search for one-way flight options from Pittsburgh to Ontario. Find affordable one-way fares based on user searches. Data last updated giugno 5, 2026.
This American Airlines deal was found by Cheapflights users on 5/31. 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.
mar 8/187:46 am
PIT
- ONT
1 stop7h 17m
American Airlines
Deal found 5/31![American Airlines logo]()
$149
This United Airlines deal was found by Cheapflights users on 5/31. 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.
gio 9/245:48 pm
PIT
- ONT
1 stop8h 11m
United Airlines
Deal found 5/31![United Airlines logo]()
$166
This Delta deal was found by Cheapflights users on 6/3. 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.
mer 7/295:40 pm
PIT
- ONT
1 stop9h 08m
Delta
Deal found 6/3![Delta logo]()
$198
This American Airlines deal was found by Cheapflights users on 5/31. 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.
mar 6/235:01 am
PIT
- ONT
2 stops10h 03m
American Airlines
Deal found 5/31![American Airlines logo]()
$212
This American Airlines deal was found by Cheapflights users on 5/31. 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.
mer 6/243:00 pm
PIT
- ONT
2 stops9h 57m
American Airlines
Deal found 5/31![American Airlines logo]()
$216
This Alaska Airlines deal was found by Cheapflights users on 5/31. 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.
ven 9/257:02 am
PIT
- ONT
1 stop10h 14m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$217
This Booking.com deal was found by Cheapflights users on 6/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 9/106:28 pm
PIT
- ONT
1 stop19h 48m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$218
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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.
gio 8/207:02 am
PIT
- ONT
1 stop10h 07m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$221
This Southwest deal was found by Cheapflights users on 5/31. 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.
ven 9/252:45 pm
PIT
- ONT
2 stops8h 55m
Southwest
Deal found 5/31![Southwest logo]()
$222
This United Airlines deal was found by Cheapflights users on 6/4. 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.
ven 9/255:06 pm
PIT
- ONT
1 stop7h 52m
United Airlines
Deal found 6/4![United Airlines logo]()
$234
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 giugno 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (United Airlines) |
One-way from | $149 (American Airlines) |
Popular in | April |
Cheapest in | December |
Average price | $448 |
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 2,558,603 searches. Data last updated giugno 5, 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 - ONT
PITONT
Pittsburgh
mer 7/29
5:40 pm-11:48 pm
1 stop9h 08m
Ontario
dom 8/9
10:00 pm-9:05 am
1 stop8h 05m
$436
Quickest round-trip
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
mer 6/24
7:33 pm-11:59 pm
1 stop7h 26m
Ontario
ven 6/26
11:59 pm-10:59 am
1 stop8h 00m
$487
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
mer 7/22
5:02 pm-9:55 pm
1 stop7h 53m
Ontario
mar 7/28
6:10 am-5:10 pm
1 stop8h 00m
$505
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
mer 7/15
5:02 pm-9:55 pm
1 stop7h 53m
Ontario
lun 7/20
6:39 pm-5:19 am
1 stop7h 40m
$546
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
gio 7/9
5:02 pm-9:55 pm
1 stop7h 53m
Ontario
mer 7/15
6:39 pm-5:19 am
1 stop7h 40m
$546
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
mer 6/24
5:23 pm-10:37 pm
1 stop8h 14m
Ontario
mar 6/30
5:00 am-3:16 pm
1 stop7h 16m
$547
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
ven 8/28
6:23 pm-2:09 pm
1 stop22h 46m
Ontario
lun 8/31
3:07 pm-5:24 am
1 stop11h 17m
$564
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
mer 6/24
5:02 pm-9:55 pm
1 stop7h 53m
Ontario
ven 6/26
6:10 am-6:35 pm
1 stop9h 25m
$576
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
sab 7/4
8:30 am-12:47 pm
1 stop7h 17m
Ontario
sab 7/11
6:10 am-11:23 pm
2 stops14h 13m
$592
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
gio 7/9
6:16 pm-10:51 pm
1 stop7h 35m
Ontario
dom 7/12
6:10 am-5:10 pm
1 stop8h 00m
$617
Showing 1-10 of 18 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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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
What is the cheapest month to book a flight from Pittsburgh to Ontario?
Currently, December is the cheapest month in which you can book a flight from Pittsburgh to Ontario (average of $350). Flying from Pittsburgh to Ontario in April is currently the most expensive (average of $504). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Pittsburgh to Ontario?
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 giugno 5, 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.
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
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
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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 giugno 5, 2026.
Pittsburgh and Ontario flights
Browse other Pittsburgh and Ontario flight options. Last updated on giugno 5, 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 giugno 5, 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 2,558,603 searches. Data last updated giugno 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$296 | Average$467 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$303 | Average$476 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$314 | Average$388 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$350 | Average$497 | FlexibilityNo cancel fee | On-time63% |