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Cheap flights from Allentown to Los Angeles from $219

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to Los Angeles departing on 8/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Allentown to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:00 pm - 11:46 pm
ABE
-
ONT
14h 46m
2 stops
American Airlines Logo
12:19 pm - 12:22 am
ONT
-
ABE
9h 03m
2 stops
$387American Airlines
Wed, Apr 15 - Wed, Apr 22
American Airlines Logo
12:00 pm - 10:36 pm
ABE
-
ONT
13h 36m
2 stops
American Airlines Logo
10:26 pm - 11:27 am
ONT
-
ABE
10h 01m
1 stop
$412American Airlines
Wed, Apr 15 - Wed, Apr 22
American Airlines Logo
12:00 pm - 10:36 pm
ABE
-
ONT
13h 36m
2 stops
American Airlines Logo
10:26 pm - 11:27 am
ONT
-
ABE
10h 01m
1 stop
$422American Airlines
Wed, Apr 15 - Wed, Apr 22
United Airlines Logo
10:31 am - 10:57 pm
ABE
-
ONT
15h 26m
2 stops
United Airlines Logo
11:59 pm - 9:56 am
ONT
-
ABE
6h 57m
1 stop
$423United Airlines
Tue, Mar 17 - Sat, Mar 21
United Airlines Logo
5:43 pm - 10:31 pm
ABE
-
ONT
7h 48m
1 stop
United Airlines Logo
6:49 pm - 9:48 am
ONT
-
ABE
11h 59m
2 stops
$434United Airlines
Sun, Apr 5 - Sat, Apr 11
Delta Logo
1:00 pm - 6:01 pm
ABE
-
ONT
8h 01m
1 stop
Delta Logo
12:00 pm - 10:56 pm
ONT
-
ABE
7h 56m
1 stop
$438Delta
Thu, Aug 13 - Sun, Aug 16
American Airlines Logo
12:00 pm - 11:46 pm
ABE
-
ONT
14h 46m
2 stops
American Airlines Logo
12:19 pm - 12:22 am
ONT
-
ABE
9h 03m
2 stops
$448American Airlines
Wed, Apr 15 - Wed, Apr 22
Delta Logo
12:52 pm - 6:33 pm
ABE
-
ONT
8h 41m
1 stop
Delta Logo
12:49 pm - 11:00 pm
ONT
-
ABE
7h 11m
1 stop
$449Delta
Sat, Apr 18 - Sat, Apr 25
United Airlines Logo
10:35 am - 10:45 pm
ABE
-
ONT
15h 10m
2 stops
United Airlines Logo
6:49 pm - 9:48 am
ONT
-
ABE
11h 59m
2 stops
$469United Airlines
Wed, Apr 15 - Wed, Apr 22
Delta Logo
12:52 pm - 6:33 pm
ABE
-
ONT
8h 41m
1 stop
Delta Logo
12:49 pm - 11:00 pm
ONT
-
ABE
7h 11m
1 stop
$479Delta
Sat, Apr 18 - Fri, Apr 24

American Airlines flights from Allentown to Ontario

Our best American Airlines deals on Allentown to Ontario flight tickets
American Airlines
Apr 15
ABE12:00 pmAllentown-Bethlehem
14h 46m
2 stops
ONT11:46 pmOntario
Apr 22
ONT12:19 pmOntario
9h 03m
2 stops
ABE12:22 amAllentown-Bethlehem
$387
American Airlines
Apr 15
ABE12:00 pmAllentown-Bethlehem
13h 36m
2 stops
ONT10:36 pmOntario
Apr 22
ONT10:26 pmOntario
10h 01m
1 stop
ABE11:27 amAllentown-Bethlehem
$412
American Airlines
Apr 15
ABE12:00 pmAllentown-Bethlehem
13h 36m
2 stops
ONT10:36 pmOntario
Apr 22
ONT10:26 pmOntario
10h 01m
1 stop
ABE11:27 amAllentown-Bethlehem
$422

United Airlines flights from Allentown to Ontario

Our best United Airlines deals on Allentown to Ontario flight tickets
United Airlines
Mar 17
ABE10:31 amAllentown-Bethlehem
15h 26m
2 stops
ONT10:57 pmOntario
Mar 21
ONT11:59 pmOntario
6h 57m
1 stop
ABE9:56 amAllentown-Bethlehem
$423
United Airlines
Apr 5
ABE5:43 pmAllentown-Bethlehem
7h 48m
1 stop
ONT10:31 pmOntario
Apr 11
ONT6:49 pmOntario
11h 59m
2 stops
ABE9:48 amAllentown-Bethlehem
$434
United Airlines
Apr 15
ABE10:35 amAllentown-Bethlehem
15h 10m
2 stops
ONT10:45 pmOntario
Apr 22
ONT6:49 pmOntario
11h 59m
2 stops
ABE9:48 amAllentown-Bethlehem
$469

momondo 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, momondo users made 832,500 searches. Data last updated March 3, 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

Price

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Wed 4/15

12:00 pm-11:46 pm

2 stops14h 46m

Ontario

Wed 4/22

12:19 pm-12:22 am

2 stops9h 03m

$387

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Wed 4/15

12:00 pm-10:36 pm

2 stops13h 36m

Ontario

Wed 4/22

10:26 pm-11:27 am

1 stop10h 01m

$412

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Wed 4/15

12:00 pm-10:36 pm

2 stops13h 36m

Ontario

Wed 4/22

10:26 pm-11:27 am

1 stop10h 01m

$422

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Tue 3/17

10:31 am-10:57 pm

2 stops15h 26m

Ontario

Sat 3/21

11:59 pm-9:56 am

1 stop6h 57m

$423

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Sun 4/5

5:43 pm-10:31 pm

1 stop7h 48m

Ontario

Sat 4/11

6:49 pm-9:48 am

2 stops11h 59m

$434

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Thu 8/13

1:00 pm-6:01 pm

1 stop8h 01m

Ontario

Sun 8/16

12:00 pm-10:56 pm

1 stop7h 56m

$438

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Wed 4/15

12:00 pm-11:46 pm

2 stops14h 46m

Ontario

Wed 4/22

12:19 pm-12:22 am

2 stops9h 03m

$448

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Sat 4/18

12:52 pm-6:33 pm

1 stop8h 41m

Ontario

Sat 4/25

12:49 pm-11:00 pm

1 stop7h 11m

$449

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Wed 4/15

10:35 am-10:45 pm

2 stops15h 10m

Ontario

Wed 4/22

6:49 pm-9:48 am

2 stops11h 59m

$469

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Sat 4/18

12:52 pm-6:33 pm

1 stop8h 41m

Ontario

Fri 4/24

12:49 pm-11:00 pm

1 stop7h 11m

$479

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

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 $307. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Allentown to Ontario for around $387.

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

In the evening is the cheapest time of day to fly from Allentown to Ontario when you can find flight prices for as low as $329. Flying to Ontario in the evening 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 afternoon when prices are $337 on average. Flights to Ontario from Allentown in the afternoon 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

7h 48m

Direct flights

None
The fastest flight from Allentown to Ontario takes 7h 48m
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 7h 48m, 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?

  • 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?

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
DeltaPriceFrom $338Free CancellationRating
7.9
8,242 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.

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