$179+ Cheap flights from Allentown to Ontario (ABE - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — ONT
Oct 6 — Oct 131
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Allentown to Ontario
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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 September 6, 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 September 6, 2026.
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:56 pm -
1 stop8h 45m
Sat 10/312:17 pm -
1 stop6h 59m
Deal found 9/2![Delta logo]()
$357
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 10/105:14 pm -
1 stop8h 45m
Sat 10/176:00 am -
2 stops13h 25m
Deal found 9/2![American Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:04 pm -
1 stop7h 20m
Sat 10/312:17 pm -
1 stop6h 59m
Deal found 9/2![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 9/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:30 pm -
1 stop8h 00m
Mon 11/911:10 pm -
1 stop9h 54m
Deal found 9/4![Delta logo]()
$401
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 12/25:37 am -
2 stops10h 54m
Tue 12/89:29 am -
2 stops10h 30m
Deal found 9/3![American Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 9/3. 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.
Thu 9/246:04 pm -
1 stop7h 20m
Sat 9/2612:17 pm -
1 stop6h 59m
Deal found 9/3![Delta logo]()
$418
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:00 pm -
1 stop9h 30m
Sun 11/17:07 am -
1 stop7h 09m
Deal found 9/2![Delta logo]()
$428
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 12/35:14 pm -
1 stop8h 47m
Tue 12/87:00 am -
2 stops12h 59m
Deal found 9/3![American Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:00 pm -
1 stop10h 25m
Sun 11/17:07 am -
1 stop7h 09m
Deal found 9/2![Delta logo]()
$445
This Delta deal was found by Cheapflights users on 9/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:30 pm -
1 stop8h 00m
Tue 11/1012:18 pm -
1 stop7h 09m
Deal found 9/4![Delta logo]()
$454
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 September 6, 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 September 6, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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.
Thu 9/246:04 pm -
1 stop7h 20m
Sat 9/2612:17 pm -
1 stop6h 59m
Deal found 9/3![Delta logo]()
$418
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 10/245:43 pm -
1 stop8h 08m
Sat 10/316:00 am -
2 stops12h 02m
Deal found 9/2![United Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:00 pm -
1 stop9h 30m
Sun 11/17:07 am -
1 stop7h 09m
Deal found 9/2![Delta logo]()
$428
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:00 pm -
1 stop10h 25m
Sun 11/17:07 am -
1 stop7h 09m
Deal found 9/2![Delta logo]()
$499
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Wed 1/610:10 am -
2 stops13h 10m
Sat 1/96:53 pm -
2 stops11h 37m
Deal found 9/4![United Airlines logo]()
$554
This Delta deal was found by Cheapflights users on 9/3. 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.
Thu 12/312:50 pm -
1 stop8h 49m
Tue 12/812:20 pm -
1 stop7h 07m
Deal found 9/3![Delta logo]()
$503
This United Airlines deal was found by Cheapflights users on 9/5. 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 11/146:15 am -
2 stops12h 18m
Tue 11/175:00 am -
2 stops8h 56m
Deal found 9/5![United Airlines logo]()
$570
This Delta deal was found by Cheapflights users on 9/3. 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.
Thu 9/246:04 pm -
1 stop7h 20m
Fri 9/2512:19 pm -
1 stop6h 57m
Deal found 9/3![Delta logo]()
$529
This Delta deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:45 pm -
1 stop10h 04m
Tue 11/1712:18 pm -
1 stop7h 09m
Deal found 9/5![Delta logo]()
$574
This Delta deal was found by Cheapflights users on 9/5. 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 10/16:04 pm -
1 stop7h 20m
Sun 10/412:19 pm -
1 stop6h 57m
Deal found 9/5![Delta logo]()
$688
Last-minute flights from Allentown to OntarioDiscover last-minute flight deals from Allentown to Ontario. Data last updated September 6, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to Ontario. Data last updated September 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/3. 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.
Thu 9/246:04 pm -
1 stop7h 20m
Sat 9/2612:17 pm -
1 stop6h 59m
Deal found 9/3![Delta logo]()
$418
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:04 pm -
1 stop7h 20m
Sat 10/312:17 pm -
1 stop6h 59m
Deal found 9/2![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:56 pm -
1 stop8h 45m
Sat 10/312:17 pm -
1 stop6h 59m
Deal found 9/2![Delta logo]()
$357
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 10/75:14 pm -
1 stop8h 45m
Tue 10/2010:10 pm -
1 stop10h 08m
Deal found 9/2![American Airlines logo]()
$467
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 10/75:14 pm -
1 stop8h 45m
Mon 10/197:34 pm -
2 stops13h 44m
Deal found 9/2![American Airlines logo]()
$472
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 10/75:14 pm -
1 stop8h 45m
Fri 10/1610:10 pm -
1 stop10h 08m
Deal found 9/2![American Airlines logo]()
$473
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 10/105:14 pm -
1 stop8h 45m
Sat 10/176:00 am -
2 stops13h 25m
Deal found 9/2![American Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:00 pm -
1 stop9h 30m
Sun 11/17:07 am -
1 stop7h 09m
Deal found 9/2![Delta logo]()
$428
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:00 pm -
1 stop10h 25m
Sun 11/17:07 am -
1 stop7h 09m
Deal found 9/2![Delta logo]()
$445
This Delta deal was found by Cheapflights users on 9/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:30 pm -
1 stop8h 00m
Mon 11/911:10 pm -
1 stop9h 54m
Deal found 9/4![Delta logo]()
$401
This Delta deal was found by Cheapflights users on 9/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:30 pm -
1 stop8h 00m
Tue 11/1012:18 pm -
1 stop7h 09m
Deal found 9/4![Delta logo]()
$454
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 September 6, 2026.
Search for one-way flight options from Allentown to Ontario. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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.
Thu 9/246:25 am -
1 stop7h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$179
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 11/45:37 am -
2 stops10h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$190
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 9/256:04 pm -
1 stop7h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$196
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 10/65:43 pm -
1 stop8h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:40 am -
3 stops53h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$254
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:00 pm -
1 stop8h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$290
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 10/612:48 pm -
2 stops12h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 9/5. 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 10/71:00 pm -
1 stop10h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Delta logo]()
$300
This Delta deal was found by Cheapflights users on 9/3. 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.
Sat 9/1912:56 pm -
1 stop8h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$304
This Delta deal was found by Cheapflights users on 9/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:25 am -
1 stop7h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Delta logo]()
$314
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 September 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $357 (Delta) |
One-way from | $179 (Delta) |
Popular in | December |
Cheapest in | November |
Average price | $507 |
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 7,457,451 searches. Data last updated September 6, 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
Quickest round-trip
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Mon 9/21
6:04 pm-10:24 pm
1 stop7h 20m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$304
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Sun 9/20
6:25 am-11:09 am
1 stop7h 44m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$314
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Sun 10/11
5:14 pm-10:59 pm
1 stop8h 45m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$390
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Wed 11/4
10:32 am-11:16 am
3 stops27h 44m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$394
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Thu 9/24
6:04 pm-10:24 pm
1 stop7h 20m
Ontario
Sat 9/26
12:17 pm-10:16 pm
1 stop6h 59m
$418
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Sat 10/24
1:00 pm-7:30 pm
1 stop9h 30m
Ontario
Sun 11/1
7:07 am-5:16 pm
1 stop7h 09m
$428
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Sat 10/24
5:43 pm-10:51 pm
1 stop8h 08m
Ontario
Sat 10/31
6:00 am-9:02 pm
2 stops12h 02m
$472
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Thu 9/17
6:04 pm-10:24 pm
1 stop7h 20m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$480
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Mon 9/14
6:04 pm-10:24 pm
1 stop7h 20m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$480
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Thu 10/29
1:00 pm-8:25 pm
1 stop10h 25m
Ontario
Sun 11/1
7:07 am-5:16 pm
1 stop7h 09m
$499
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 September.
| 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 September 6, 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.
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Overall
7.8
Entertainment
7.8
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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Allentown to Ontario by cabin class
Find flights from Allentown 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 September 6, 2026.
Allentown and Ontario flights
Browse other Allentown and Ontario flight options. Last updated on September 6, 2026.
Other flights from Allentown
Browse through other flights departing from Allentown. Flights are based on user searches made on Cheapflights and were last updated on September 6, 2026.
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 7,457,451 searches. Data last updated September 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$338 | Average$471 | FlexibilityNo cancel fee | On-timeN/A |