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Cheap flights from Allentown to Los Angeles from $149

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 10/28. 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.
Delta Logo
1:00 pm - 6:18 pm
ABE
-
ONT
8h 18m
1 stop
Delta Logo
12:00 pm - 10:46 pm
ONT
-
ABE
7h 46m
1 stop
$359Delta
Thu, Oct 15 - Tue, Oct 20
Delta Logo
6:23 am - 10:57 am
ABE
-
ONT
7h 34m
1 stop
Delta Logo
7:05 am - 5:28 pm
ONT
-
ABE
7h 23m
1 stop
$388Delta
Fri, May 29 - Sat, May 30
Delta Logo
12:59 pm - 6:36 pm
ABE
-
ONT
8h 37m
1 stop
Delta Logo
12:07 pm - 10:18 pm
ONT
-
ABE
7h 11m
1 stop
$399Delta
Wed, May 27 - Thu, May 28
Delta Logo
12:59 pm - 6:36 pm
ABE
-
ONT
8h 37m
1 stop
Delta Logo
7:05 am - 5:28 pm
ONT
-
ABE
7h 23m
1 stop
$439Delta
Wed, May 27 - Sat, May 30
United Airlines Logo
10:38 am - 8:04 pm
ABE
-
ONT
12h 26m
2 stops
United Airlines Logo
7:13 pm - 10:06 am
ONT
-
ABE
11h 53m
2 stops
$447United Airlines
Tue, Sep 1 - Sat, Sep 5
American Airlines Logo
5:10 pm - 10:04 pm
ABE
-
ONT
7h 54m
1 stop
American Airlines Logo
11:59 pm - 4:27 pm
ONT
-
ABE
13h 28m
2 stops
$460American Airlines
Thu, Aug 6 - Tue, Aug 18
Delta Logo
6:23 am - 10:57 am
ABE
-
ONT
7h 34m
1 stop
Delta Logo
7:05 am - 5:28 pm
ONT
-
ABE
7h 23m
1 stop
$464Delta
Mon, May 25 - Sat, May 30
American Airlines Logo
9:33 am - 7:15 pm
ABE
-
ONT
12h 42m
2 stops
American Airlines Logo
11:59 pm - 4:27 pm
ONT
-
ABE
13h 28m
2 stops
$478American Airlines
Thu, Aug 6 - Tue, Aug 18
American Airlines Logo
9:33 am - 7:15 pm
ABE
-
ONT
12h 42m
2 stops
American Airlines Logo
11:59 pm - 4:27 pm
ONT
-
ABE
13h 28m
2 stops
$485American Airlines
Thu, Aug 6 - Tue, Aug 18
United Airlines Logo
2:30 pm - 8:52 pm
ABE
-
ONT
9h 22m
2 stops
United Airlines Logo
7:13 pm - 10:06 am
ONT
-
ABE
11h 53m
2 stops
$491United Airlines
Tue, Sep 1 - Sat, Sep 5

Delta flights from Allentown to Ontario

Our best Delta deals on Allentown to Ontario flight tickets
Delta
Oct 15
ABE1:00 pmAllentown-Bethlehem
8h 18m
1 stop
ONT6:18 pmOntario
Oct 20
ONT12:00 pmOntario
7h 46m
1 stop
ABE10:46 pmAllentown-Bethlehem
$359
Delta
May 29
ABE6:23 amAllentown-Bethlehem
7h 34m
1 stop
ONT10:57 amOntario
May 30
ONT7:05 amOntario
7h 23m
1 stop
ABE5:28 pmAllentown-Bethlehem
$388
Delta
May 27
ABE12:59 pmAllentown-Bethlehem
8h 37m
1 stop
ONT6:36 pmOntario
May 28
ONT12:07 pmOntario
7h 11m
1 stop
ABE10:18 pmAllentown-Bethlehem
$399

United Airlines flights from Allentown to Ontario

Our best United Airlines deals on Allentown to Ontario flight tickets
United Airlines
Sep 1
ABE10:38 amAllentown-Bethlehem
12h 26m
2 stops
ONT8:04 pmOntario
Sep 5
ONT7:13 pmOntario
11h 53m
2 stops
ABE10:06 amAllentown-Bethlehem
$447
United Airlines
Sep 1
ABE2:30 pmAllentown-Bethlehem
9h 22m
2 stops
ONT8:52 pmOntario
Sep 5
ONT7:13 pmOntario
11h 53m
2 stops
ABE10:06 amAllentown-Bethlehem
$491
United Airlines
Sep 1
ABE6:15 amAllentown-Bethlehem
15h 04m
1 stop
ONT6:19 pmOntario
Sep 5
ONT7:13 pmOntario
11h 53m
2 stops
ABE10:06 amAllentown-Bethlehem
$510

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 May 10, 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

Cheapest round-trip

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Thu 10/15

1:00 pm-6:18 pm

1 stop8h 18m

Ontario

Tue 10/20

12:00 pm-10:46 pm

1 stop7h 46m

$359
Quickest round-trip

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Fri 5/29

6:23 am-10:57 am

1 stop7h 34m

Ontario

Sat 5/30

7:05 am-5:28 pm

1 stop7h 23m

$388

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Wed 5/27

12:59 pm-6:36 pm

1 stop8h 37m

Ontario

Thu 5/28

12:07 pm-10:18 pm

1 stop7h 11m

$399

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Wed 5/27

12:59 pm-6:36 pm

1 stop8h 37m

Ontario

Sat 5/30

7:05 am-5:28 pm

1 stop7h 23m

$439

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Tue 9/1

10:38 am-8:04 pm

2 stops12h 26m

Ontario

Sat 9/5

7:13 pm-10:06 am

2 stops11h 53m

$447

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Thu 8/6

5:10 pm-10:04 pm

1 stop7h 54m

Ontario

Tue 8/18

11:59 pm-4:27 pm

2 stops13h 28m

$460

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Mon 5/25

6:23 am-10:57 am

1 stop7h 34m

Ontario

Sat 5/30

7:05 am-5:28 pm

1 stop7h 23m

$464

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Thu 8/6

9:33 am-7:15 pm

2 stops12h 42m

Ontario

Tue 8/18

11:59 pm-4:27 pm

2 stops13h 28m

$478

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Thu 8/6

9:33 am-7:15 pm

2 stops12h 42m

Ontario

Tue 8/18

11:59 pm-4:27 pm

2 stops13h 28m

$485

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Tue 9/1

2:30 pm-8:52 pm

2 stops9h 22m

Ontario

Sat 9/5

7:13 pm-10:06 am

2 stops11h 53m

$491

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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

Can stopping save me money on Allentown to Ontario flights?

You could potentially save up to 28% on your flight if you consider stops on a Allentown to Ontario flight.

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 26m

Direct flights

None
The fastest flight from Allentown to Ontario takes 7h 26m
There are no direct flights from Allentown to Ontario. There are no popular flight routes from Allentown to Ontario.
Search flight deals

Frequently asked questions about flying from Allentown to Ontario

  • 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 26m, 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
8,454 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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