$79+ Cheap flights from Ontario (ONT) to Pennsylvania
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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PHL
May 30 — Haz 61
Round-trip
1 adult, Economy
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Cheapest flights from Ontario to PennsylvaniaExplore the most affordable flight options available from Ontario to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Nisan 30, 2026.
Explore the most affordable flight options available from Ontario to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Nisan 30, 2026.
This Mytrip deal was found by Cheapflights users on 4/28. 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.
Çar 5/204:39 pm
ONT
- IAD
1 stop12h 33m
Frontier
Sal 5/269:12 am
IAD
- ONT
1 stop9h 32m
Frontier
Deal found 4/28![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 4/25. 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.
Cmt 5/1610:50 am
ONT
- PHL
1 stop15h 47m
Frontier
Pzt 5/187:00 am
PHL
- ONT
1 stop27h 35m
Frontier
Deal found 4/25![Frontier logo]()
$172
This Expedia deal was found by Cheapflights users on 4/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cmt 5/166:00 am
ONT
- PHL
1 stop20h 37m
Frontier
Sal 5/198:35 pm
PHL
- ONT
1 stop16h 30m
Frontier
Deal found 4/25![Frontier logo]()
$185
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Paz 5/246:00 am
ONT
- DCA
1 stop12h 58m
Frontier
Çar 5/271:59 pm
DCA
- ONT
1 stop12h 50m
Frontier
Deal found 4/29![Frontier logo]()
$185
This Expedia deal was found by Cheapflights users on 4/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 5/204:39 pm
ONT
- IAD
1 stop12h 33m
Frontier
Çar 5/279:12 am
IAD
- ONT
1 stop9h 32m
Frontier
Deal found 4/25![Frontier logo]()
$185
This Gotogate deal was found by Cheapflights users on 4/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 5/2010:50 am
ONT
- DCA
1 stop23h 09m
Frontier
Per 5/287:00 am
DCA
- ONT
1 stop30h 05m
Frontier
Deal found 4/27![Frontier logo]()
$190
This Mytrip deal was found by Cheapflights users on 4/28. 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.
Çar 5/204:39 pm
ONT
- IAD
1 stop12h 33m
Frontier
Cum 5/299:12 am
IAD
- ONT
1 stop8h 57m
Frontier
Deal found 4/28![Frontier logo]()
$190
This Frontier deal was found by Cheapflights users on 4/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cmt 5/166:00 am
ONT
- PHL
1 stop20h 37m
Frontier
Cmt 5/238:35 pm
PHL
- ONT
1 stop16h 30m
Frontier
Deal found 4/28![Frontier logo]()
$191
This Trip.com deal was found by Cheapflights users on 4/27. 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.
Çar 5/2010:50 am
ONT
- DCA
1 stop23h 09m
Frontier
Sal 6/26:00 pm
DCA
- ONT
1 stop8h 49m
Frontier
Deal found 4/27![Frontier logo]()
$201
This Trip.com deal was found by Cheapflights users on 4/27. 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.
Çar 5/204:39 pm
ONT
- IAD
1 stop12h 33m
Frontier
Sal 6/29:12 am
IAD
- ONT
1 stop9h 32m
Frontier
Deal found 4/27![Frontier logo]()
$201
This Mytrip deal was found by Cheapflights users on 4/27. 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.
Sal 5/1210:50 am
ONT
- PHL
1 stop15h 47m
Frontier
Pzt 5/188:35 pm
PHL
- ONT
1 stop30h 14m
Frontier
Deal found 4/27![Frontier logo]()
$202
This Booking.com deal was found by Cheapflights users on 4/25. 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.
Cmt 5/236:00 am
ONT
- DCA
1 stop27h 59m
Frontier
Paz 5/317:00 am
DCA
- ONT
1 stop30h 05m
Frontier
Deal found 4/25![Frontier logo]()
$203
Best flights from Ontario to PennsylvaniaDiscover carefully curated flight deals from Ontario to Pennsylvania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated Nisan 30, 2026.
Discover carefully curated flight deals from Ontario to Pennsylvania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated Nisan 30, 2026.
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Sal 6/96:00 am
ONT
- PHL
1 stop26h 47m
Frontier
Sal 6/2312:42 pm
PHL
- ONT
1 stop14h 07m
Frontier
Deal found 4/29![Frontier logo]()
$210
This Delta deal was found by Cheapflights users on 4/26. 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.
Sal 9/87:00 am
ONT
- PHL
1 stop8h 29m
Delta
Per 9/105:30 am
PHL
- ONT
1 stop8h 34m
Delta
Deal found 4/26![Delta logo]()
$263
This JetBlue deal was found by Cheapflights users on 4/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cum 5/2910:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Per 6/45:30 pm
JFK
- ONT
Nonstop6h 17m
JetBlue
Deal found 4/27![JetBlue logo]()
$298
This Southwest deal was found by Cheapflights users on 4/27. 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.
Per 7/912:50 pm
ONT
- LGA
1 stop7h 05m
Southwest
Sal 7/141:25 pm
LGA
- ONT
1 stop12h 10m
Southwest
Deal found 4/27![Southwest logo]()
$326
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Pzt 9/289:39 am
ONT
- PHL
1 stop8h 36m
United Airlines
Per 10/13:48 pm
PHL
- ONT
1 stop8h 04m
United Airlines
Deal found 4/29![United Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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.
Cmt 5/26:00 am
ONT
- JFK
1 stop10h 27m
Alaska Airlines
Paz 5/104:29 pm
JFK
- ONT
1 stop10h 19m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$339
This KAYAK deal was found by Cheapflights users on 4/28. 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.
Çar 5/1312:19 pm
ONT
- JFK
1 stop7h 59m
American Airlines
Per 5/147:59 am
JFK
- ONT
1 stop8h 19m
American Airlines
Deal found 4/28![American Airlines logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Paz 8/3010:50 am
ONT
- ABE
1 stop25h 51m
Multiple Airlines
Cum 9/47:30 am
ABE
- ONT
1 stop19h 19m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$525
This Delta deal was found by Cheapflights users on 4/26. 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.
Cmt 8/2912:00 pm
ONT
- ABE
1 stop7h 56m
Delta
Çar 9/26:30 am
ABE
- ONT
1 stop7h 34m
Delta
Deal found 4/26![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 4/26. 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.
Per 8/2712:00 pm
ONT
- ABE
1 stop7h 56m
Delta
Çar 9/21:00 pm
ABE
- ONT
1 stop8h 01m
Delta
Deal found 4/26![Delta logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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.
Çar 9/233:12 pm
ONT
- IAD
1 stop11h 28m
Alaska Airlines
Cum 9/257:00 am
IAD
- ONT
1 stop10h 18m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$341
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Çar 7/156:30 am
ONT
- LGA
1 stop9h 52m
United Airlines
Çar 7/225:25 pm
LGA
- ONT
1 stop8h 26m
United Airlines
Deal found 4/24![United Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 4/26. 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.
Cmt 8/2912:00 pm
ONT
- ABE
1 stop7h 56m
Delta
Sal 9/11:00 pm
ABE
- ONT
1 stop8h 01m
Delta
Deal found 4/26![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 4/27. 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.
Pzt 6/292:30 pm
ONT
- PHL
1 stop7h 10m
Southwest
Çar 7/12:20 pm
PHL
- ONT
2 stops9h 00m
Southwest
Deal found 4/27![Southwest logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Çar 5/136:00 am
ONT
- PHL
1 stop20h 37m
Frontier
Pzt 5/186:57 pm
PHL
- ONT
2 stops42h 08m
Frontier
Deal found 4/29![Frontier logo]()
$364
This JetBlue deal was found by Cheapflights users on 4/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cmt 7/2511:24 pm
ONT
- JFK
Nonstop5h 21m
JetBlue
Sal 7/287:30 pm
JFK
- ONT
Nonstop6h 05m
JetBlue
Deal found 4/27![JetBlue logo]()
$372
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Per 5/281:18 pm
ONT
- EWR
1 stop8h 46m
United Airlines
Per 6/257:00 am
EWR
- ONT
1 stop8h 12m
United Airlines
Deal found 4/25![United Airlines logo]()
$348
This Southwest deal was found by Cheapflights users on 4/29. 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.
Cmt 7/115:30 am
ONT
- DCA
2 stops8h 15m
Southwest
Cmt 7/186:25 pm
DCA
- ONT
1 stop7h 05m
Southwest
Deal found 4/29![Southwest logo]()
$361
This Delta deal was found by Cheapflights users on 4/28. 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.
Cum 7/316:00 am
ONT
- PHL
1 stop8h 39m
Delta
Sal 8/46:25 am
PHL
- ONT
1 stop7h 13m
Delta
Deal found 4/28![Delta logo]()
$306
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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.
Cum 9/183:12 pm
ONT
- IAD
1 stop11h 28m
Alaska Airlines
Paz 9/207:00 am
IAD
- ONT
1 stop10h 18m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$371
This Booking.com deal was found by Cheapflights users on 4/29. 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.
Cum 5/156:00 am
ONT
- PHL
1 stop20h 37m
Frontier
Cum 5/2210:40 am
PHL
- ONT
1 stop24h 24m
Frontier
Deal found 4/29![Frontier logo]()
$378
This JetBlue deal was found by Cheapflights users on 4/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Paz 5/3110:41 pm
ONT
- JFK
Nonstop5h 29m
JetBlue
Cum 6/55:30 pm
JFK
- ONT
Nonstop6h 17m
JetBlue
Deal found 4/25![JetBlue logo]()
$402
This Southwest deal was found by Cheapflights users on 4/26. 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.
Pzt 8/175:15 am
ONT
- PHL
2 stops9h 40m
Southwest
Per 8/275:25 am
PHL
- ONT
1 stop7h 55m
Southwest
Deal found 4/26![Southwest logo]()
$366
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Çar 5/276:30 pm
ONT
- AVP
2 stops12h 18m
United Airlines
Cmt 5/305:32 pm
AVP
- ONT
1 stop8h 19m
United Airlines
Deal found 4/27![United Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 4/26. 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.
Cum 8/2810:59 pm
ONT
- ABE
1 stop10h 09m
Delta
Çar 9/21:00 pm
ABE
- ONT
1 stop8h 01m
Delta
Deal found 4/26![Delta logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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.
Cmt 5/166:00 am
ONT
- PIT
1 stop8h 56m
Alaska Airlines
Sal 5/197:00 am
PIT
- ONT
1 stop11h 09m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$393
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Per 5/216:30 pm
ONT
- PHL
1 stop8h 01m
United Airlines
Pzt 5/258:00 am
PHL
- ONT
1 stop7h 47m
United Airlines
Deal found 4/26![United Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 4/26. 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.
Çar 10/712:00 pm
ONT
- LGA
1 stop7h 42m
Delta
Çar 10/143:00 pm
LGA
- ONT
2 stops11h 48m
Delta
Deal found 4/26![Delta logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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.
Sal 7/2812:04 pm
ONT
- IAD
1 stop8h 55m
Alaska Airlines
Sal 8/46:03 am
IAD
- ONT
1 stop10h 06m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 4/27. 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.
Cmt 7/1811:40 am
ONT
- DCA
1 stop6h 55m
Southwest
Pzt 7/206:10 am
DCA
- ONT
2 stops8h 10m
Southwest
Deal found 4/27![Southwest logo]()
$431
Last-minute flights from Ontario to PennsylvaniaDiscover last-minute flight deals from Ontario to Pennsylvania. Data last updated Nisan 30, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Pennsylvania. Data last updated Nisan 30, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 4/27. 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.
Sal 5/1210:50 am
ONT
- PHL
1 stop15h 47m
Frontier
Pzt 5/188:35 pm
PHL
- ONT
1 stop30h 14m
Frontier
Deal found 4/27![Frontier logo]()
$202
This Booking.com deal was found by Cheapflights users on 4/25. 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.
Cmt 5/1610:50 am
ONT
- PHL
1 stop15h 47m
Frontier
Pzt 5/187:00 am
PHL
- ONT
1 stop27h 35m
Frontier
Deal found 4/25![Frontier logo]()
$172
This Expedia deal was found by Cheapflights users on 4/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cmt 5/166:00 am
ONT
- PHL
1 stop20h 37m
Frontier
Sal 5/198:35 pm
PHL
- ONT
1 stop16h 30m
Frontier
Deal found 4/25![Frontier logo]()
$185
This Frontier deal was found by Cheapflights users on 4/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cmt 5/166:00 am
ONT
- PHL
1 stop20h 37m
Frontier
Cmt 5/238:35 pm
PHL
- ONT
1 stop16h 30m
Frontier
Deal found 4/28![Frontier logo]()
$191
This Mytrip deal was found by Cheapflights users on 4/28. 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.
Çar 5/204:39 pm
ONT
- IAD
1 stop12h 33m
Frontier
Sal 5/269:12 am
IAD
- ONT
1 stop9h 32m
Frontier
Deal found 4/28![Frontier logo]()
$160
This Expedia deal was found by Cheapflights users on 4/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 5/204:39 pm
ONT
- IAD
1 stop12h 33m
Frontier
Çar 5/279:12 am
IAD
- ONT
1 stop9h 32m
Frontier
Deal found 4/25![Frontier logo]()
$185
This Gotogate deal was found by Cheapflights users on 4/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 5/2010:50 am
ONT
- DCA
1 stop23h 09m
Frontier
Per 5/287:00 am
DCA
- ONT
1 stop30h 05m
Frontier
Deal found 4/27![Frontier logo]()
$190
This Mytrip deal was found by Cheapflights users on 4/28. 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.
Çar 5/204:39 pm
ONT
- IAD
1 stop12h 33m
Frontier
Cum 5/299:12 am
IAD
- ONT
1 stop8h 57m
Frontier
Deal found 4/28![Frontier logo]()
$190
This Trip.com deal was found by Cheapflights users on 4/27. 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.
Çar 5/2010:50 am
ONT
- DCA
1 stop23h 09m
Frontier
Sal 6/26:00 pm
DCA
- ONT
1 stop8h 49m
Frontier
Deal found 4/27![Frontier logo]()
$201
This Trip.com deal was found by Cheapflights users on 4/27. 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.
Çar 5/204:39 pm
ONT
- IAD
1 stop12h 33m
Frontier
Sal 6/29:12 am
IAD
- ONT
1 stop9h 32m
Frontier
Deal found 4/27![Frontier logo]()
$201
This Booking.com deal was found by Cheapflights users on 4/25. 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.
Cmt 5/236:00 am
ONT
- DCA
1 stop27h 59m
Frontier
Paz 5/317:00 am
DCA
- ONT
1 stop30h 05m
Frontier
Deal found 4/25![Frontier logo]()
$203
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Paz 5/246:00 am
ONT
- DCA
1 stop12h 58m
Frontier
Çar 5/271:59 pm
DCA
- ONT
1 stop12h 50m
Frontier
Deal found 4/29![Frontier logo]()
$185
One-way flights from Ontario to PennsylvaniaSearch for one-way flight options from Ontario to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated Nisan 30, 2026.
Search for one-way flight options from Ontario to Pennsylvania. Find affordable one-way fares based on user searches. Data last updated Nisan 30, 2026.
This Super.com deal was found by Cheapflights users on 4/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Paz 5/2410:50 am
ONT
- DCA
1 stop8h 08m
Frontier
Deal found 4/28![Frontier logo]()
$79
This Super.com deal was found by Cheapflights users on 4/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 5/196:00 am
ONT
- DCA
1 stop27h 59m
Frontier
Deal found 4/26![Frontier logo]()
$85
This Super.com deal was found by Cheapflights users on 4/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 5/204:39 pm
ONT
- IAD
1 stop12h 33m
Frontier
Deal found 4/29![Frontier logo]()
$85
This Booking.com deal was found by Cheapflights users on 4/26. 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.
Cmt 5/1610:50 am
ONT
- PHL
1 stop15h 47m
Frontier
Deal found 4/26![Frontier logo]()
$86
This Trip.com deal was found by Cheapflights users on 4/24. 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.
Per 5/286:00 am
ONT
- PHL
1 stop20h 37m
Frontier
Deal found 4/24![Frontier logo]()
$87
This Super.com deal was found by Cheapflights users on 4/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 5/274:39 pm
ONT
- PHL
1 stop9h 31m
Frontier
Deal found 4/28![Frontier logo]()
$104
This Super.com deal was found by Cheapflights users on 4/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 6/1010:50 am
ONT
- DCA
1 stop8h 09m
Frontier
Deal found 4/30![Frontier logo]()
$104
This Super.com deal was found by Cheapflights users on 4/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Paz 5/106:00 am
ONT
- PHL
1 stop20h 37m
Frontier
Deal found 4/25![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 6/96:00 am
ONT
- DCA
1 stop7h 57m
Frontier
Deal found 4/29![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 4/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cmt 5/96:00 am
ONT
- DCA
1 stop12h 58m
Frontier
Deal found 4/25![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 4/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 5/261:39 pm
ONT
- PHL
1 stop13h 42m
Frontier
Deal found 4/29![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 4/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 5/1210:50 am
ONT
- DCA
1 stop8h 08m
Frontier
Deal found 4/28![Frontier logo]()
$110
Find flight deals from Ontario to Pennsylvania
Keep the following information in mind while searching for Ontario to Pennsylvania flight deals. Data was last updated Nisan 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Mytrip) |
One-way from | $79 (Super.com) |
Popular in | December |
Cheapest in | August |
Average price | $516 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Pennsylvania 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 Nisan 30, 2026.
Use the filters below to find and compare flights from Ontario to Pennsylvania that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioPhiladelphia
ONT - PHL
ONTPHL
Ontario
Sal 6/9
6:00 am-11:47 am
1 stop26h 47m
Philadelphia
Sal 6/23
12:42 pm-11:49 pm
1 stop14h 07m
$210
OntarioPhiladelphia
ONT - PHL
ONTPHL
Ontario
Sal 9/8
7:00 am-6:29 pm
1 stop8h 29m
Philadelphia
Per 9/10
5:30 am-11:04 am
1 stop8h 34m
$263
OntarioAllentown
ONT - ABE
ONTABE
Ontario
Cmt 8/29
12:00 pm-10:56 pm
1 stop7h 56m
Allentown-Bethlehem
Çar 9/2
6:30 am-11:04 am
1 stop7h 34m
$297
OntarioAllentown
ONT - ABE
ONTABE
Ontario
Per 8/27
12:00 pm-10:56 pm
1 stop7h 56m
Allentown-Bethlehem
Çar 9/2
1:00 pm-6:01 pm
1 stop8h 01m
$297
OntarioAllentown
ONT - ABE
ONTABE
Ontario
Cmt 8/29
12:00 pm-10:56 pm
1 stop7h 56m
Allentown-Bethlehem
Sal 9/1
1:00 pm-6:01 pm
1 stop8h 01m
$297
OntarioNew York
ONT - JFK
ONTJFK
Ontario
Cum 5/29
10:41 pm-7:10 am
Nonstop5h 29m
New York John F Kennedy Intl
Per 6/4
5:30 pm-8:47 pm
Nonstop6h 17m
$298
OntarioPhiladelphia
ONT - PHL
ONTPHL
Ontario
Cum 7/31
6:00 am-5:39 pm
1 stop8h 39m
Philadelphia
Sal 8/4
6:25 am-10:38 am
1 stop7h 13m
$306
OntarioAllentown
ONT - ABE
ONTABE
Ontario
Cum 8/28
10:59 pm-12:08 pm
1 stop10h 09m
Allentown-Bethlehem
Çar 9/2
1:00 pm-6:01 pm
1 stop8h 01m
$323
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Çar 10/7
12:00 pm-10:42 pm
1 stop7h 42m
New York LaGuardia
Çar 10/14
3:00 pm-11:48 pm
2 stops11h 48m
$324
OntarioNew York
ONT - LGA
ONTLGA
Ontario
Per 7/9
12:50 pm-10:55 pm
1 stop7h 05m
New York LaGuardia
Sal 7/14
1:25 pm-10:35 pm
1 stop12h 10m
$326
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Pennsylvania
Have a flexible travel schedule? Discover the best time to fly to Pennsylvania from Ontario with our price prediction graph.
ONT-IAD
ONT-PHL
ONT-DCA
ONT-MDT
ONT-JFK
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 Ontario to Pennsylvania
ONT-USPA
ONT-IAD
ONT-PHL
ONT-DCA
ONT-MDT
How far ahead should I book a flight from Ontario to Pennsylvania?
To ensure you get the cheapest price possible for a flight from Ontario to Pennsylvania, you should look to book at least 38 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Ontario to Pennsylvania?
Currently, June is the cheapest month in which you can book a flight from Ontario to Pennsylvania (average of $41). Flying from Ontario to Pennsylvania in March is currently the most expensive (average of $328). 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 Ontario to Pennsylvania?
Reviews of airlines servicing Pennsylvania
Get insights into the airlines that provide service to Pennsylvania. 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 Pennsylvania. Reviews last updated Nisan 30, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Ontario to Pennsylvania. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Pennsylvania. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to Pennsylvania
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Pennsylvania by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Pennsylvania by cabin class
Find flights from Ontario to Pennsylvania, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Pennsylvania flights
Browse other Ontario and Pennsylvania flight options. Last updated on Nisan 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Pennsylvania flights
Consider these flights traveling from Ontario to Pennsylvania.
Top 5 airlines flying from Ontario to Pennsylvania
Discover the top 5 airlines that operate flights from Ontario to Pennsylvania. 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 Nisan 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$276 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$282 | Average$454 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$285 | Average$434 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$300 | Average$443 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$310 | Average$461 | FlexibilityNo cancel fee | On-time69% |