$132+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — ONT
Nov 21 — Nov 281
Round-trip
1 adult, Economy
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Find cheap flights from Allentown to Ontario with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from 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 October 22, 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 October 22, 2026.
This American Airlines deal was found by Cheapflights users on 10/21. 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 12/15:14 pm -
1 stop9h 06m
Wed 1/139:28 am -
2 stops10h 55m
Deal found 10/21![American Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 10/21. 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 12/196:01 pm -
1 stop8h 40m
Tue 1/512:00 pm -
1 stop7h 46m
Deal found 10/21![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 10/21. 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 12/196:01 pm -
1 stop8h 40m
Wed 12/307:06 am -
1 stop7h 15m
Deal found 10/21![Delta logo]()
$452
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/76:15 am -
2 stops14h 46m
Tue 11/105:00 am -
2 stops13h 02m
Deal found 10/18![United Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 10/20. 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 stops13h 02m
Deal found 10/20![United Airlines logo]()
$467
This Delta deal was found by Cheapflights users on 10/21. 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 12/196:01 pm -
1 stop8h 40m
Thu 12/3111:10 am -
1 stop7h 22m
Deal found 10/21![Delta logo]()
$484
This Delta deal was found by Cheapflights users on 10/21. 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 12/242:00 pm -
1 stop9h 36m
Tue 1/512:00 pm -
1 stop7h 46m
Deal found 10/21![Delta logo]()
$513
This Delta deal was found by Cheapflights users on 10/19. 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 12/242:00 pm -
1 stop9h 36m
Wed 12/307:06 am -
1 stop7h 15m
Deal found 10/19![Delta logo]()
$518
This United Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:15 am -
2 stops12h 09m
Sat 12/57:00 am -
1 stop6h 57m
Deal found 10/17![United Airlines logo]()
$524
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 October 22, 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 October 22, 2026.
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:30 am -
1 stop7h 57m
Sat 1/1612:00 pm -
1 stop6h 56m
Deal found 10/18![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 10/20. 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 stops13h 02m
Deal found 10/20![United Airlines logo]()
$467
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/56:30 am -
1 stop7h 57m
Sat 1/912:00 pm -
1 stop6h 56m
Deal found 10/21![Delta logo]()
$418
This Delta deal was found by Cheapflights users on 10/21. 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 4/46:30 am -
1 stop7h 57m
Sat 4/1012:00 pm -
1 stop7h 46m
Deal found 10/21![Delta logo]()
$474
This Delta deal was found by Cheapflights users on 10/18. 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 3/216:30 am -
1 stop7h 57m
Wed 3/3112:00 pm -
1 stop7h 46m
Deal found 10/18![Delta logo]()
$514
This Delta deal was found by Cheapflights users on 10/18. 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 12/216:01 pm -
1 stop8h 40m
Mon 1/47:00 am -
1 stop7h 12m
Deal found 10/18![Delta logo]()
$538
This Delta deal was found by Cheapflights users on 10/18. 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 1/156:30 am -
1 stop7h 57m
Mon 1/187:00 am -
1 stop7h 12m
Deal found 10/18![Delta logo]()
$539
This Delta deal was found by Cheapflights users on 10/18. 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 12/216:01 pm -
1 stop8h 40m
Fri 1/812:00 pm -
1 stop7h 46m
Deal found 10/18![Delta logo]()
$559
This Delta deal was found by Cheapflights users on 10/19. 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 12/242:00 pm -
1 stop9h 36m
Thu 12/3111:10 am -
1 stop7h 22m
Deal found 10/19![Delta logo]()
$573
This Delta deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/196:01 pm -
1 stop8h 40m
Wed 1/612:00 pm -
1 stop7h 46m
Deal found 10/17![Delta logo]()
$584
Last-minute flights from Allentown to OntarioDiscover last-minute flight deals from Allentown to Ontario. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to Ontario. Data last updated October 22, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/76:15 am -
2 stops14h 46m
Tue 11/105:00 am -
2 stops13h 02m
Deal found 10/18![United Airlines logo]()
$466
This Delta deal was found by Cheapflights users on 10/18. 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 11/76:40 am -
2 stops12h 43m
Tue 11/107:05 am -
1 stop7h 10m
Deal found 10/18![Delta logo]()
$533
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/76:15 am -
2 stops14h 46m
Tue 11/175:00 am -
2 stops13h 02m
Deal found 10/19![United Airlines logo]()
$597
This American Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:14 pm -
1 stop8h 47m
Wed 11/1110:30 pm -
1 stop9h 43m
Deal found 10/18![American Airlines logo]()
$596
This American Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:14 pm -
1 stop8h 47m
Tue 11/107:00 am -
2 stops13h 24m
Deal found 10/18![American Airlines logo]()
$601
This United Airlines deal was found by Cheapflights users on 10/20. 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 stops13h 02m
Deal found 10/20![United Airlines logo]()
$467
This American Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:14 pm -
1 stop9h 06m
Wed 12/210:30 pm -
1 stop10h 02m
Deal found 10/17![American Airlines logo]()
$532
This United Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:15 am -
2 stops12h 09m
Sat 12/57:00 am -
1 stop6h 57m
Deal found 10/17![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:15 am -
2 stops12h 09m
Wed 12/26:40 pm -
2 stops11h 48m
Deal found 10/17![United Airlines logo]()
$529
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 October 22, 2026.
Search for one-way flight options from Allentown to Ontario. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
This American Airlines deal was found by Cheapflights users on 10/20. 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 2/212:48 pm -
2 stops13h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![American Airlines logo]()
$132
This Delta deal was found by Cheapflights users on 10/20. 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 12/512:50 pm -
1 stop10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$149
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/26:30 am -
1 stop7h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$195
This American Airlines deal was found by Cheapflights users on 10/20. 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 2/37:14 am -
2 stops11h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![American Airlines logo]()
$197
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Thu 2/186:25 am -
2 stops14h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$200
This United Airlines deal was found by Cheapflights users on 10/20. 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 4/206:25 am -
2 stops14h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$229
This Delta deal was found by Cheapflights users on 10/21. 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 12/196:01 pm -
1 stop8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 2/13:02 pm -
3 stops36h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 10/20. 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 2/16:30 am -
2 stops12h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$255
This American Airlines deal was found by Cheapflights users on 10/20. 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 12/35:23 pm -
1 stop8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![American Airlines logo]()
$260
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:00 am -
2 stops9h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$265
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 October 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $378 (American Airlines) |
One-way from | $132 (American Airlines) |
Popular in | October |
Cheapest in | January |
Average price | $576 |
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 October 22, 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 Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Sat 12/5
12:50 pm-7:55 pm
1 stop10h 05m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$149
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Tue 2/2
6:30 am-11:27 am
1 stop7h 57m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$195
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Mon 2/1
6:30 am-11:27 am
1 stop7h 57m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$207
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Sat 12/19
6:01 pm-11:41 pm
1 stop8h 40m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$245
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Tue 11/10
6:15 am-6:01 pm
2 stops14h 46m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$278
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Thu 12/24
2:00 pm-8:36 pm
1 stop9h 36m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$324
Quickest round-trip
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Tue 4/20
5:36 pm-10:31 pm
1 stop7h 55m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$341
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Tue 12/29
2:57 pm-5:57 pm
2 stops30h 00m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$352
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Tue 12/29
6:01 pm-11:41 pm
1 stop8h 40m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$380
AllentownOntario
ABE Allentown-Bethlehem - ONT Ontario
ABEONT
Allentown-Bethlehem
Tue 1/12
6:30 am-11:27 am
1 stop7h 57m
Ontario
Sat 1/16
12:00 pm-9:56 pm
1 stop6h 56m
$389
Showing 1-10 of 21 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 October.
| 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 October 22, 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.
Crew
8.5
Overall
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Comfort
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
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
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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 October 22, 2026.
Allentown and Ontario flights
Browse other Allentown and Ontario flight options. Last updated on October 22, 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 October 22, 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 October 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$388 | Average$471 | FlexibilityNo cancel fee | On-timeN/A |