$149+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — ONT
Aug 10 — Aug 171
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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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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Best
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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 July 11, 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 July 11, 2026.
This Delta deal was found by Cheapflights users on 7/8. 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.
Sat 8/296:16 am
ABE
- ONT
1 stop7h 26m
Delta
Sat 9/512:00 pm
ONT
- ABE
1 stop7h 23m
Delta
Deal found 7/8![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 7/8. 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.
Sat 12/56:30 am
ABE
- ONT
2 stops12h 42m
Delta
Sat 12/1212:00 pm
ONT
- ABE
1 stop7h 46m
Delta
Deal found 7/8![Delta logo]()
$302
This American Airlines deal was found by Cheapflights users on 7/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:00 am
ABE
- ONT
2 stops13h 01m
American Airlines
Sat 12/126:00 am
ONT
- ABE
2 stops13h 12m
American Airlines
Deal found 7/8![American Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 7/6. 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.
Sun 11/221:00 pm
ABE
- ONT
1 stop8h 18m
Delta
Fri 11/277:00 am
ONT
- ABE
1 stop7h 12m
Delta
Deal found 7/6![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 7/9. 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.
Fri 8/285:36 pm
ABE
- ONT
1 stop7h 59m
United Airlines
Sun 8/307:13 pm
ONT
- ABE
2 stops11h 44m
United Airlines
Deal found 7/9![United Airlines logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:50 pm
ABE
- ONT
2 stops21h 24m
Multiple Airlines
Mon 8/176:00 am
ONT
- ABE
1 stop14h 14m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Thu 12/245:36 pm
ABE
- ONT
1 stop7h 50m
United Airlines
Wed 12/3011:59 pm
ONT
- ABE
1 stop7h 07m
United Airlines
Deal found 7/7![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Mon 8/245:36 pm
ABE
- ONT
1 stop7h 59m
United Airlines
Sun 8/307:13 pm
ONT
- ABE
2 stops11h 44m
United Airlines
Deal found 7/7![United Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 7/10. 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 8/201:10 pm
ABE
- ONT
1 stop8h 20m
Delta
Mon 8/2412:00 pm
ONT
- ABE
1 stop7h 23m
Delta
Deal found 7/10![Delta logo]()
$489
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Wed 8/59:36 am
ABE
- ONT
2 stops11h 39m
American Airlines
Sat 8/87:05 am
ONT
- ABE
2 stops13h 20m
American Airlines
Deal found 7/7![American Airlines logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/912:29 pm
ABE
- ONT
2 stops48h 35m
Multiple Airlines
Mon 8/1710:49 am
ONT
- ABE
1 stop9h 25m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$506
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 July 11, 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 July 11, 2026.
This Delta deal was found by Cheapflights users on 7/8. 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.
Sat 12/56:30 am
ABE
- ONT
2 stops12h 42m
Delta
Sat 12/1212:00 pm
ONT
- ABE
1 stop7h 46m
Delta
Deal found 7/8![Delta logo]()
$302
This United Airlines deal was found by Cheapflights users on 7/10. 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.
Sat 9/510:32 am
ABE
- ONT
2 stops12h 29m
United Airlines
Wed 9/91:56 pm
ONT
- ABE
2 stops16h 43m
United Airlines
Deal found 7/10![United Airlines logo]()
$531
This Delta deal was found by Cheapflights users on 7/10. 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 8/201:10 pm
ABE
- ONT
1 stop8h 20m
Delta
Mon 8/2412:00 pm
ONT
- ABE
1 stop7h 23m
Delta
Deal found 7/10![Delta logo]()
$489
This United Airlines deal was found by Cheapflights users on 7/10. 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 8/196:15 am
ABE
- ONT
2 stops16h 46m
United Airlines
Sun 8/237:13 pm
ONT
- ABE
2 stops11h 44m
United Airlines
Deal found 7/10![United Airlines logo]()
$592
This Delta deal was found by Cheapflights users on 7/7. 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.
Fri 7/311:08 pm
ABE
- ONT
1 stop8h 22m
Delta
Sat 8/87:05 am
ONT
- ABE
1 stop7h 18m
Delta
Deal found 7/7![Delta logo]()
$584
This Delta deal was found by Cheapflights users on 7/8. 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 8/146:16 am
ABE
- ONT
1 stop7h 26m
Delta
Mon 8/177:05 am
ONT
- ABE
1 stop7h 18m
Delta
Deal found 7/8![Delta logo]()
$589
This Delta deal was found by Cheapflights users on 7/7. 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.
Wed 8/51:10 pm
ABE
- ONT
2 stops13h 24m
Delta
Sat 8/87:05 am
ONT
- ABE
1 stop7h 18m
Delta
Deal found 7/7![Delta logo]()
$627
Last-minute flights from Allentown to OntarioDiscover last-minute flight deals from Allentown to Ontario. Data last updated July 11, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to Ontario. Data last updated July 11, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Wed 8/59:36 am
ABE
- ONT
2 stops11h 39m
American Airlines
Sat 8/87:05 am
ONT
- ABE
2 stops13h 20m
American Airlines
Deal found 7/7![American Airlines logo]()
$500
This Delta deal was found by Cheapflights users on 7/9. 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 8/61:10 pm
ABE
- ONT
1 stop8h 20m
Delta
Sat 8/87:05 am
ONT
- ABE
1 stop7h 18m
Delta
Deal found 7/9![Delta logo]()
$508
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/912:29 pm
ABE
- ONT
2 stops48h 35m
Multiple Airlines
Mon 8/1710:49 am
ONT
- ABE
1 stop9h 25m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$506
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:50 pm
ABE
- ONT
2 stops21h 24m
Multiple Airlines
Mon 8/176:00 am
ONT
- ABE
1 stop14h 14m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 7/10. 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.
Wed 8/196:16 am
ABE
- ONT
1 stop7h 26m
Delta
Mon 8/2412:00 pm
ONT
- ABE
1 stop7h 23m
Delta
Deal found 7/10![Delta logo]()
$514
This Delta deal was found by Cheapflights users on 7/10. 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 8/201:10 pm
ABE
- ONT
1 stop8h 20m
Delta
Mon 8/2412:00 pm
ONT
- ABE
1 stop7h 23m
Delta
Deal found 7/10![Delta logo]()
$489
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Mon 8/245:36 pm
ABE
- ONT
1 stop7h 59m
United Airlines
Sun 8/307:13 pm
ONT
- ABE
2 stops11h 44m
United Airlines
Deal found 7/7![United Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 7/7. 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.
Tue 8/256:16 am
ABE
- ONT
1 stop7h 26m
Delta
Sun 8/3012:00 pm
ONT
- ABE
1 stop7h 23m
Delta
Deal found 7/7![Delta logo]()
$529
This United Airlines deal was found by Cheapflights users on 7/9. 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.
Fri 8/285:36 pm
ABE
- ONT
1 stop7h 59m
United Airlines
Sun 8/307:13 pm
ONT
- ABE
2 stops11h 44m
United Airlines
Deal found 7/9![United Airlines logo]()
$443
This Delta deal was found by Cheapflights users on 7/8. 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.
Sat 8/296:16 am
ABE
- ONT
1 stop7h 26m
Delta
Sat 9/512:00 pm
ONT
- ABE
1 stop7h 23m
Delta
Deal found 7/8![Delta logo]()
$297
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 July 11, 2026.
Search for one-way flight options from Allentown to Ontario. Find affordable one-way fares based on user searches. Data last updated July 11, 2026.
This Delta deal was found by Cheapflights users on 7/9. 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 10/161:00 pm
ABE
- ONT
1 stop8h 13m
Delta
Deal found 7/9![Delta logo]()
$149
This Delta deal was found by Cheapflights users on 7/7. 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 11/121:00 pm
ABE
- ONT
1 stop8h 18m
Delta
Deal found 7/7![Delta logo]()
$165
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Sat 10/175:14 pm
ABE
- ONT
1 stop8h 45m
American Airlines
Deal found 7/7![American Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:30 am
ABE
- ONT
2 stops29h 51m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:40 am
ABE
- ONT
2 stops50h 32m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$232
This United Airlines deal was found by Cheapflights users on 7/9. 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 10/145:46 pm
ABE
- ONT
1 stop8h 03m
United Airlines
Deal found 7/9![United Airlines logo]()
$241
This Delta deal was found by Cheapflights users on 7/9. 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 8/196:16 am
ABE
- ONT
1 stop7h 26m
Delta
Deal found 7/9![Delta logo]()
$255
This Delta deal was found by Cheapflights users on 7/9. 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 10/156:30 am
ABE
- ONT
1 stop7h 38m
Delta
Deal found 7/9![Delta logo]()
$260
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 July 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (Delta) |
One-way from | $149 (Delta) |
Popular in | December |
Cheapest in | November |
Average price | $520 |
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 July 11, 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
Sat 12/5
6:30 am-4:12 pm
2 stops12h 42m
Ontario
Sat 12/12
12:00 pm-10:46 pm
1 stop7h 46m
$302
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Thu 8/20
1:10 pm-6:30 pm
1 stop8h 20m
Ontario
Mon 8/24
12:00 pm-10:23 pm
1 stop7h 23m
$489
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Sat 9/5
10:32 am-8:01 pm
2 stops12h 29m
Ontario
Wed 9/9
1:56 pm-9:39 am
2 stops16h 43m
$531
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Fri 7/31
1:08 pm-6:30 pm
1 stop8h 22m
Ontario
Sat 8/8
7:05 am-5:23 pm
1 stop7h 18m
$584
Quickest round-trip
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Fri 8/14
6:16 am-10:42 am
1 stop7h 26m
Ontario
Mon 8/17
7:05 am-5:23 pm
1 stop7h 18m
$589
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Wed 8/19
6:15 am-8:01 pm
2 stops16h 46m
Ontario
Sun 8/23
7:13 pm-9:57 am
2 stops11h 44m
$592
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Wed 8/5
1:10 pm-11:34 pm
2 stops13h 24m
Ontario
Sat 8/8
7:05 am-5:23 pm
1 stop7h 18m
$627
Cheapest one-way
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Fri 12/4
1:00 pm-6:18 pm
1 stop8h 18m
$149
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Thu 11/12
1:00 pm-6:18 pm
1 stop8h 18m
$165
Quickest one-way
AllentownOntario
ABE - ONT
ABEONT
Allentown-Bethlehem
Wed 8/19
6:16 am-10:42 am
1 stop7h 26m
$255
Showing 1-10 of 19 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 July.
| 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 July 11, 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.
Food
7.2
Overall
7.8
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.2
Overall
7.8
Boarding
8.1
Crew
8.5
Comfort
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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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 July 11, 2026.
Allentown and Ontario flights
Browse other Allentown and Ontario flight options. Last updated on July 11, 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 July 11, 2026.
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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 July 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$338 | Average$471 | FlexibilityNo cancel fee | On-timeN/A |