HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$239+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — ONT
févr. 25 — mars 41
mar. 2/25
mar. 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

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 février 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(Delta)

One-way from

$239
(Delta)

Popular in

July

Cheapest in

January

Average price

$847
Provider with most accurate pricing for Allentown-Bethlehem-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Allentown-Bethlehem-Ontario flights.
Search Deals
From Allentown-Bethlehem to Ontario
Search Deals
One-way flight from Allentown-Bethlehem to Ontario
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Allentown to Ontario

Cheapest flights from Allentown to Ontario
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 février 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. 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.
mer. 3/195:17 pmABE - ONT
1 stop8h 26mDelta
sam. 3/2912:46 pmONT - ABE
1 stop6h 43mDelta
Deal found 2/20$309
This American Airlines deal was found by Cheapflights users on 2/20. 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.
ven. 2/2812:43 pmABE - ONT
1 stop11h 19mAmerican Airlines
ven. 3/79:32 amONT - ABE
2 stops11h 50mAmerican Airlines
Deal found 2/20$459
This United Airlines deal was found by Cheapflights users on 2/20. 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.
mar. 9/95:32 pmABE - ONT
1 stop7h 54mUnited Airlines
mer. 9/176:00 amONT - ABE
2 stops11h 43mUnited Airlines
Deal found 2/20$775

Find flights from Allentown to Ontario within your budget

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 février 20, 2025.

Fly from

Allentown

Fly to

Ontario

Route

Depart

Return

Price

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

mer. 3/19

5:17 pm-10:43 pm

1 stop8h 26m

Ontario

sam. 3/29

12:46 pm-10:29 pm

1 stop6h 43m

$309

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

mer. 8/13

5:32 pm-10:26 pm

1 stop7h 54m

Ontario

dim. 8/24

7:00 am-5:01 pm

1 stop7h 01m

$1,108

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

ven. 3/28

5:17 pm-10:43 pm

1 stop8h 26m

$239

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

jeu. 3/13

6:30 am-12:44 pm

2 stops9h 14m

$319

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

sam. 4/5

6:05 am-1:49 pm

2 stops10h 44m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

Travel insights for flights from Allentown to Ontario

Get recent, data-driven insights about flights from Allentown to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Allentown to Ontario?

Currently, August is the cheapest month in which you can book a flight from Allentown to Ontario (average of $246). Flying from Allentown to Ontario in March is currently the most expensive (average of $315). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ABE to ONT?

Find hourly flight availability from Allentown to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated février 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Allentown to Ontario at noon. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the morning.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 février 20, 2025.
Delta
8.0
Very good
8,219 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,765 reviews
Delta
8.0
Very good
8,219 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,219 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from Allentown to Ontario round-trip?

    Cheapflights users have booked flights from Allentown to Ontario round-trip from $309. Another airline that can offer you cheap pricing is United Airlines. Delta is 48% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Allentown to Ontario one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $239. Users have also found prices from $319 and $324 on United Airlines and American Airlines, respectively.

  • Can I find deals for flights from Allentown to Ontario that include hotel bookings?

    Yes. In addition to deals on Allentown to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Allentown to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to Ontario.

  • Can I find deals for business class flights from Allentown to Ontario?

    Yes. Cheapflights offers flight deals from Allentown to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Allentown to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Allentown to Ontario (average of $246). Flying from Allentown to Ontario in March is currently the most expensive (average of $315). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Allentown to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
Newark to Los Angeles flights
Newark to Las Vegas flights
John F Kennedy Intl to San Francisco flights
Newark to San Francisco flights
Dulles Intl to Las Vegas flights
LaGuardia to Los Angeles flights
LaGuardia to Las Vegas flights
Reagan-National to Los Angeles flights
Dulles Intl to Los Angeles flights
Reagan-National to Las Vegas flights
Newark to Burbank flights
Dulles Intl to San Francisco flights
John F Kennedy Intl to San Diego flights
Philadelphia to Las Vegas flights
Newark to Santa Ana flights
Newark to San Diego flights
Reagan-National to San Francisco flights
LaGuardia to San Francisco flights
LaGuardia to Burbank flights
Philadelphia to Los Angeles flights
John F Kennedy Intl to Ontario flights
LaGuardia to Santa Ana flights
Newark to Ontario flights
Dulles Intl to San Diego flights
Philadelphia to San Francisco flights
Reagan-National to San Diego flights
John F Kennedy Intl to Palm Springs flights
Newark to Oakland flights
Pittsburgh to Las Vegas flights
LaGuardia to San Diego flights
LaGuardia to Ontario flights
John F Kennedy Intl to Santa Ana flights
LaGuardia to Oakland flights
Newark to Palm Springs flights
Philadelphia to San Diego flights
Dulles Intl to Ontario flights
John F Kennedy Intl to Reno flights
LaGuardia to Palm Springs flights
Reagan-National to Santa Ana flights
Newark to San Jose flights
Newark to Sacramento flights
John F Kennedy Intl to Sacramento flights
Reagan-National to Ontario flights
Philadelphia to Ontario flights
Dulles Intl to Sacramento flights
Philadelphia to Burbank flights
John F Kennedy Intl to San Jose flights
Newark to Reno flights

Top 2 airlines flying from Allentown to Ontario

Discover the top 2 airlines 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 février 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$308Average$767FlexibilityNo cancel feeOn-time71%
DeltaCheapest$321Average$513FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.