What is the cheapest airline that flies from Allentown-Bethlehem to Ontario?

United Airlines and Delta are the most popular carriers operating from Allentown-Bethlehem to Ontario

What airlines fly to Ontario?

American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to Ontario from Allentown according to our data. American Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 10 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Allentown-Bethlehem Airport to Ontario Airport?

Prices for flights from Allentown-Bethlehem Airport to Ontario Airport are updated daily.

How many operators does momondo search for flights from Allentown-Bethlehem Airport to Ontario Airport?

The number of operators available for flights from Allentown-Bethlehem Airport to Ontario Airport is 1 as of December 2025.

How old do you have to be to fly from Allentown-Bethlehem Airport to Ontario Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$206 Cheap Flights from Allentown to Ontario in 2025/26

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Find the cheapest flights from Allentown to Los Angeles

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:47 pm - 6:28 pm

ABE

ONT

8h 41m1 stop

12:39 pm - 10:59 pm

ONT

ABE

7h 20m1 stop

$329Delta

Wed, Apr 15 - Wed, Apr 22

6:04 am - 4:24 pm

ABE

ONT

13h 20m2 stops

10:39 pm - 11:31 am

ONT

ABE

9h 52m1 stop

$370American Airlines

Sat, Feb 14 - Sat, Feb 28

1:02 pm - 10:48 pm

ABE

ONT

12h 46m2 stops

11:59 pm - 12:32 pm

ONT

ABE

9h 33m2 stops

$437American Airlines

Mon, Jan 26 - Sun, Feb 1

11:30 am - 8:58 pm

ABE

ONT

12h 28m2 stops

6:00 am - 9:05 pm

ONT

ABE

12h 05m2 stops

$439United Airlines

Sat, Jan 24 - Tue, Jan 27

6:04 am - 1:54 pm

ABE

ONT

10h 50m2 stops

12:28 pm - 12:30 am

ONT

ABE

9h 02m2 stops

$459American Airlines

Sat, Feb 14 - Sat, Feb 28

10:35 am - 8:36 pm

ABE

ONT

13h 01m2 stops

6:49 pm - 9:58 am

ONT

ABE

12h 09m2 stops

$469United Airlines

Wed, Apr 15 - Wed, Apr 22

1:00 pm - 6:15 pm

ABE

ONT

8h 15m1 stop

12:00 pm - 10:56 pm

ONT

ABE

7h 56m1 stop

$472Delta

Sat, Jun 13 - Thu, Jun 18

1:00 pm - 9:44 pm

ABE

ONT

11h 44m2 stops

12:00 pm - 10:56 pm

ONT

ABE

7h 56m1 stop

$489Delta

Sat, May 23 - Sat, May 30

11:30 am - 8:58 pm

ABE

ONT

12h 28m2 stops

6:39 pm - 10:41 am

ONT

ABE

13h 02m2 stops

$519United Airlines

Wed, Jan 28 - Sun, Feb 1

11:30 am - 10:53 pm

ABE

ONT

14h 23m2 stops

1:53 pm - 10:41 am

ONT

ABE

17h 48m2 stops

$538United Airlines

Sat, Jan 31 - Wed, Feb 4

Delta flights from Allentown to Ontario

Our best Delta deals on Allentown to Ontario flight tickets

Delta

Apr 15

ABE12:47 pmAllentown-Bethlehem

8h 41m

1 stop

ONT6:28 pmOntario

Apr 22

ONT12:39 pmOntario

7h 20m

1 stop

ABE10:59 pmAllentown-Bethlehem

$329

Find similar

Delta

Jun 13

ABE1:00 pmAllentown-Bethlehem

8h 15m

1 stop

ONT6:15 pmOntario

Jun 18

ONT12:00 pmOntario

7h 56m

1 stop

ABE10:56 pmAllentown-Bethlehem

$472

Find similar

Delta

May 23

ABE1:00 pmAllentown-Bethlehem

11h 44m

2 stops

ONT9:44 pmOntario

May 30

ONT12:00 pmOntario

7h 56m

1 stop

ABE10:56 pmAllentown-Bethlehem

$489

Find similar

American Airlines flights from Allentown to Ontario

Our best American Airlines deals on Allentown to Ontario flight tickets

American Airlines

Feb 14

ABE6:04 amAllentown-Bethlehem

13h 20m

2 stops

ONT4:24 pmOntario

Feb 28

ONT10:39 pmOntario

9h 52m

1 stop

ABE11:31 amAllentown-Bethlehem

$370

Find similar

American Airlines

Jan 26

ABE1:02 pmAllentown-Bethlehem

12h 46m

2 stops

ONT10:48 pmOntario

Feb 1

ONT11:59 pmOntario

9h 33m

2 stops

ABE12:32 pmAllentown-Bethlehem

$437

Find similar

American Airlines

Feb 14

ABE6:04 amAllentown-Bethlehem

10h 50m

2 stops

ONT1:54 pmOntario

Feb 28

ONT12:28 pmOntario

9h 02m

2 stops

ABE12:30 amAllentown-Bethlehem

$459

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Wed 4/15

12:47 pm-6:28 pm

1 stop8h 41m

Ontario

Wed 4/22

12:39 pm-10:59 pm

1 stop7h 20m

$329

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Sat 2/14

6:04 am-4:24 pm

2 stops13h 20m

Ontario

Sat 2/28

10:39 pm-11:31 am

1 stop9h 52m

$370

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Mon 1/26

1:02 pm-10:48 pm

2 stops12h 46m

Ontario

Sun 2/1

11:59 pm-12:32 pm

2 stops9h 33m

$437

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Sat 1/24

11:30 am-8:58 pm

2 stops12h 28m

Ontario

Tue 1/27

6:00 am-9:05 pm

2 stops12h 05m

$439

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Sat 2/14

6:04 am-1:54 pm

2 stops10h 50m

Ontario

Sat 2/28

12:28 pm-12:30 am

2 stops9h 02m

$459

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Wed 4/15

10:35 am-8:36 pm

2 stops13h 01m

Ontario

Wed 4/22

6:49 pm-9:58 am

2 stops12h 09m

$469

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Sat 6/13

1:00 pm-6:15 pm

1 stop8h 15m

Ontario

Thu 6/18

12:00 pm-10:56 pm

1 stop7h 56m

$472

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Sat 5/23

1:00 pm-9:44 pm

2 stops11h 44m

Ontario

Sat 5/30

12:00 pm-10:56 pm

1 stop7h 56m

$489

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Wed 1/28

11:30 am-8:58 pm

2 stops12h 28m

Ontario

Sun 2/1

6:39 pm-10:41 am

2 stops13h 02m

$519

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Sat 1/31

11:30 am-10:53 pm

2 stops14h 23m

Ontario

Wed 2/4

1:53 pm-10:41 am

2 stops17h 48m

$538

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Allentown to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ontario?

In general, October is the cheapest month to fly from Allentown to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $329. If you aren’t able to travel during the month of October, then book flights to Ontario from Allentown during March instead. Flights to Ontario in March, while not as cheap as those in October, still average around $383.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Friday when prices can be found for as low as $470. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Allentown to Ontario for around $677.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Allentown to Ontario when you can find flight prices for as low as $486. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $592 on average. Flights to Ontario from Allentown in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Allentown to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Allentown to Ontario (ABE to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to Ontario

Fastest flight time	8h 03m
Direct flights	None

The fastest flight from Allentown to Ontario takes 8h 03m

There are no direct flights from Allentown to Ontario. There are no popular flight routes from Allentown to Ontario.

Search flight deals

How far is Allentown-Bethlehem to Ontario by plane?
The straight-line distance from Allentown-Bethlehem to Ontario is 2336.4 mi. Flights usually cover this in 8h 03m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Allentown-Bethlehem Airport to Ontario Airport?
Prices for flights from Allentown-Bethlehem Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Allentown-Bethlehem Airport to Ontario Airport?
The number of operators available for flights from Allentown-Bethlehem Airport to Ontario Airport is 1 as of December 2025.
How old do you have to be to fly from Allentown-Bethlehem Airport to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Allentown to Ontario?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Allentown to Ontario is Delta (100% of total bookings).

Best airlines flying from Allentown to Ontario

Compare and see reviews for airlines that fly from Allentown to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $338	Free Cancellation	Rating 7.9 8,018 reviews		Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Allentown to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Allentown to Ontario. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Allentown to Ontario with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Allentown to Ontario flights to just show those with flexible booking policies.

How can momondo help me find flights from Allentown to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Allentown.

I’m not ready to book a flight from Allentown to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Allentown. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.