$187+ Cheap flights from Allentown to Ontario (ABE - 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — ONT
Jun 11 — Jun 181
Round-trip
1 adult, Economy
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Find cheap flights from Allentown 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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Cheapest flights from Allentown to OntarioExplore the most affordable flight options available from Allentown to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2026.
Explore the most affordable flight options available from Allentown to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2026.
This Delta deal was found by Cheapflights users on 5/6. 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.
Thu 10/151:00 pm
ABE
- ONT
1 stop8h 18m
Delta
Tue 10/2012:00 pm
ONT
- ABE
1 stop7h 46m
Delta
Deal found 5/6![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 5/9. 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.
Fri 5/296:23 am
ABE
- ONT
1 stop7h 34m
Delta
Sat 5/307:05 am
ONT
- ABE
1 stop7h 23m
Delta
Deal found 5/9![Delta logo]()
$388
This Delta deal was found by Cheapflights users on 5/9. 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 5/2712:59 pm
ABE
- ONT
1 stop8h 37m
Delta
Thu 5/2812:07 pm
ONT
- ABE
1 stop7h 11m
Delta
Deal found 5/9![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 5/9. 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.
Thu 11/191:00 pm
ABE
- ONT
1 stop8h 18m
Delta
Mon 11/2310:59 pm
ONT
- ABE
1 stop10h 05m
Delta
Deal found 5/9![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 5/9. 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 5/2712:59 pm
ABE
- ONT
1 stop8h 37m
Delta
Sat 5/307:05 am
ONT
- ABE
1 stop7h 23m
Delta
Deal found 5/9![Delta logo]()
$439
This United Airlines deal was found by Cheapflights users on 5/10. 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 5/275:36 pm
ABE
- ONT
1 stop8h 15m
United Airlines
Wed 12/96:53 pm
ONT
- ABE
2 stops12h 13m
United Airlines
Deal found 5/10![United Airlines logo]()
$442
This United Airlines deal was found by Cheapflights users on 5/6. 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 9/110:38 am
ABE
- ONT
2 stops12h 26m
United Airlines
Sat 9/57:13 pm
ONT
- ABE
2 stops11h 53m
United Airlines
Deal found 5/6![United Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 5/8. 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.
Thu 12/311:00 pm
ABE
- ONT
1 stop8h 18m
Delta
Wed 1/612:00 pm
ONT
- ABE
1 stop7h 46m
Delta
Deal found 5/8![Delta logo]()
$463
This Delta deal was found by Cheapflights users on 5/9. 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 5/256:23 am
ABE
- ONT
1 stop7h 34m
Delta
Sat 5/307:05 am
ONT
- ABE
1 stop7h 23m
Delta
Deal found 5/9![Delta logo]()
$464
This American Airlines deal was found by Cheapflights users on 5/7. 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 8/69:33 am
ABE
- ONT
2 stops12h 42m
American Airlines
Tue 8/1811:59 pm
ONT
- ABE
2 stops13h 28m
American Airlines
Deal found 5/7![American Airlines logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 5/11. 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.
Mon 7/207:30 am
ABE
- ONT
1 stop29h 33m
Multiple Airlines
Thu 7/236:47 pm
ONT
- ABE
2 stops18h 01m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$482
Best flights from Allentown to OntarioDiscover carefully curated flight deals from Allentown to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 12, 2026.
Discover carefully curated flight deals from Allentown to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 12, 2026.
This Delta deal was found by Cheapflights users on 5/6. 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.
Thu 10/151:00 pm
ABE
- ONT
1 stop8h 18m
Delta
Tue 10/2012:00 pm
ONT
- ABE
1 stop7h 46m
Delta
Deal found 5/6![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 5/6. 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 9/16:15 am
ABE
- ONT
1 stop15h 04m
United Airlines
Sat 9/57:13 pm
ONT
- ABE
2 stops11h 53m
United Airlines
Deal found 5/6![United Airlines logo]()
$510
This Delta deal was found by Cheapflights users on 5/11. 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.
Fri 5/296:23 am
ABE
- ONT
1 stop7h 34m
Delta
Sat 5/307:05 am
ONT
- ABE
1 stop7h 23m
Delta
Deal found 5/11![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 5/10. 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 8/195:36 pm
ABE
- ONT
2 stops21h 36m
United Airlines
Mon 8/247:13 pm
ONT
- ABE
2 stops11h 32m
United Airlines
Deal found 5/10![United Airlines logo]()
$550
This Delta deal was found by Cheapflights users on 5/7. 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.
Thu 5/2812:59 pm
ABE
- ONT
1 stop8h 37m
Delta
Sat 5/307:05 am
ONT
- ABE
1 stop7h 23m
Delta
Deal found 5/7![Delta logo]()
$604
This Delta deal was found by Cheapflights users on 5/9. 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.
Thu 5/286:23 am
ABE
- ONT
1 stop7h 34m
Delta
Fri 5/2912:07 pm
ONT
- ABE
1 stop7h 11m
Delta
Deal found 5/9![Delta logo]()
$629
This United Airlines deal was found by Cheapflights users on 5/10. 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 5/225:36 pm
ABE
- ONT
1 stop8h 15m
United Airlines
Sun 5/246:30 am
ONT
- ABE
1 stop7h 31m
United Airlines
Deal found 5/10![United Airlines logo]()
$753
This Delta deal was found by Cheapflights users on 5/9. 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.
Fri 6/121:12 pm
ABE
- ONT
1 stop8h 18m
Delta
Mon 6/1511:50 am
ONT
- ABE
1 stop8h 18m
Delta
Deal found 5/9![Delta logo]()
$709
This United Airlines deal was found by Cheapflights users on 5/9. 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.
Mon 5/2510:42 am
ABE
- ONT
2 stops9h 46m
United Airlines
Fri 5/296:39 pm
ONT
- ABE
2 stops12h 24m
United Airlines
Deal found 5/9![United Airlines logo]()
$823
This Delta deal was found by Cheapflights users on 5/10. 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.
Thu 7/166:05 pm
ABE
- ONT
1 stop19h 33m
Delta
Thu 7/2310:00 pm
ONT
- ABE
1 stop16h 25m
Delta
Deal found 5/10![Delta logo]()
$827
Last-minute flights from Allentown to OntarioDiscover last-minute flight deals from Allentown to Ontario. Data last updated May 12, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to Ontario. Data last updated May 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/9. 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 5/256:23 am
ABE
- ONT
1 stop7h 34m
Delta
Sat 5/307:05 am
ONT
- ABE
1 stop7h 23m
Delta
Deal found 5/9![Delta logo]()
$464
This Delta deal was found by Cheapflights users on 5/9. 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 5/256:23 am
ABE
- ONT
1 stop7h 34m
Delta
Thu 5/2812:07 pm
ONT
- ABE
1 stop7h 11m
Delta
Deal found 5/9![Delta logo]()
$498
This Delta deal was found by Cheapflights users on 5/9. 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 5/2712:59 pm
ABE
- ONT
1 stop8h 37m
Delta
Thu 5/2812:07 pm
ONT
- ABE
1 stop7h 11m
Delta
Deal found 5/9![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 5/9. 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 5/2712:59 pm
ABE
- ONT
1 stop8h 37m
Delta
Sat 5/307:05 am
ONT
- ABE
1 stop7h 23m
Delta
Deal found 5/9![Delta logo]()
$439
This United Airlines deal was found by Cheapflights users on 5/10. 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 5/275:36 pm
ABE
- ONT
1 stop8h 15m
United Airlines
Wed 12/96:53 pm
ONT
- ABE
2 stops12h 13m
United Airlines
Deal found 5/10![United Airlines logo]()
$442
This United Airlines deal was found by Cheapflights users on 5/9. 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 5/275:36 pm
ABE
- ONT
1 stop8h 15m
United Airlines
Sat 5/301:40 pm
ONT
- ABE
2 stops17h 23m
United Airlines
Deal found 5/9![United Airlines logo]()
$579
This Delta deal was found by Cheapflights users on 5/9. 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 5/2712:59 pm
ABE
- ONT
1 stop8h 37m
Delta
Fri 5/2912:07 pm
ONT
- ABE
1 stop7h 11m
Delta
Deal found 5/9![Delta logo]()
$629
This Delta deal was found by Cheapflights users on 5/7. 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.
Thu 5/2812:59 pm
ABE
- ONT
1 stop8h 37m
Delta
Sat 5/307:05 am
ONT
- ABE
1 stop7h 23m
Delta
Deal found 5/7![Delta logo]()
$604
This Delta deal was found by Cheapflights users on 5/9. 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.
Fri 5/296:23 am
ABE
- ONT
1 stop7h 34m
Delta
Sat 5/307:05 am
ONT
- ABE
1 stop7h 23m
Delta
Deal found 5/9![Delta logo]()
$388
One-way flights from Allentown to OntarioSearch for one-way flight options from Allentown to Ontario. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
Search for one-way flight options from Allentown to Ontario. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
This United Airlines deal was found by Cheapflights users on 5/8. 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 6/65:36 pm
ABE
- ONT
1 stop8h 15m
United Airlines
Deal found 5/8![United Airlines logo]()
$187
This United Airlines deal was found by Cheapflights users on 5/6. 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 11/72:30 pm
ABE
- ONT
2 stops11h 36m
United Airlines
Deal found 5/6![United Airlines logo]()
$192
This Delta deal was found by Cheapflights users on 5/10. 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 6/612:59 pm
ABE
- ONT
1 stop8h 37m
Delta
Deal found 5/10![Delta logo]()
$240
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Fri 6/55:46 pm
ABE
- ONT
1 stop7h 50m
American Airlines
Deal found 5/11![American Airlines logo]()
$251
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Tue 6/95:46 pm
ABE
- ONT
1 stop7h 50m
American Airlines
Deal found 5/11![American Airlines logo]()
$264
This Delta deal was found by Cheapflights users on 5/9. 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.
Fri 7/31:12 pm
ABE
- ONT
1 stop8h 18m
Delta
Deal found 5/9![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 5/7. 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 6/125:36 pm
ABE
- ONT
1 stop8h 15m
United Airlines
Deal found 5/7![United Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 5/10. 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 5/292:23 pm
ABE
- ONT
2 stops11h 14m
United Airlines
Deal found 5/10![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 5/8. 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.
Fri 6/56:23 am
ABE
- ONT
1 stop7h 34m
Delta
Deal found 5/8![Delta logo]()
$360
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Mon 6/85:46 pm
ABE
- ONT
1 stop7h 50m
American Airlines
Deal found 5/11![American Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 5/10. 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 6/66:22 am
ABE
- ONT
2 stops10h 06m
American Airlines
Deal found 5/10![American Airlines logo]()
$379
Find flight deals from Allentown to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) 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 May 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $348 (Delta) |
One-way from | $187 (United Airlines) |
Popular in | December |
Cheapest in | November |
Average price | $488 |
Cheapflights Fare Finder
Customize your flight search to find flights from Allentown 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 May 12, 2026.
Use the filters below to find and compare flights from Allentown to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Thu 10/15
1:00 pm-6:18 pm
1 stop8h 18m
Ontario
Tue 10/20
12:00 pm-10:46 pm
1 stop7h 46m
$359
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Fri 5/29
6:23 am-10:57 am
1 stop7h 34m
Ontario
Sat 5/30
7:05 am-5:28 pm
1 stop7h 23m
$424
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Tue 9/1
6:15 am-6:19 pm
1 stop15h 04m
Ontario
Sat 9/5
7:13 pm-10:06 am
2 stops11h 53m
$510
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Wed 8/19
5:36 pm-12:12 pm
2 stops21h 36m
Ontario
Mon 8/24
7:13 pm-9:45 am
2 stops11h 32m
$550
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Thu 5/28
12:59 pm-6:36 pm
1 stop8h 37m
Ontario
Sat 5/30
7:05 am-5:28 pm
1 stop7h 23m
$604
Quickest round-trip
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Thu 5/28
6:23 am-10:57 am
1 stop7h 34m
Ontario
Fri 5/29
12:07 pm-10:18 pm
1 stop7h 11m
$629
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Fri 6/12
1:12 pm-6:30 pm
1 stop8h 18m
Ontario
Mon 6/15
11:50 am-11:08 pm
1 stop8h 18m
$709
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Fri 5/22
5:36 pm-10:51 pm
1 stop8h 15m
Ontario
Sun 5/24
6:30 am-5:01 pm
1 stop7h 31m
$753
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Mon 5/25
10:42 am-5:28 pm
2 stops9h 46m
Ontario
Fri 5/29
6:39 pm-10:03 am
2 stops12h 24m
$823
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Thu 7/16
6:05 pm-10:38 am
1 stop19h 33m
Ontario
Thu 7/23
10:00 pm-5:25 pm
1 stop16h 25m
$827
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Allentown 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 Allentown to Ontario in May.
| 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 Allentown-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Allentown-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Allentown-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Allentown-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 Allentown-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 Allentown to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Allentown with our price prediction graph.
ABE-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.
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 May 12, 2026.
See what other customers who have flown with Delta from Allentown to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Allentown to Ontario. 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 Allentown to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
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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 May 12, 2026.
Allentown and Ontario flights
Browse other Allentown and Ontario flight options. Last updated on May 12, 2026.
Other flights from Allentown
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Allentown to Ontario
Discover the top airline that operate flights from Allentown 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 May 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$338 | Average$471 | FlexibilityNo cancel fee | On-timeN/A |