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Cheap flights from Allentown to Los Angeles from $289

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 11/1. 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 (ABE-ONT)

Cheap round-trip flights

Delta Logo
6:30 am - 11:24 amABE-ONT
7h 54m1 stop
Delta Logo
10:59 pm - 12:08 pmONT-ABE
10h 09m1 stop
$309Delta
Find Deal
Sat, Nov 15 - Tue, Nov 18
United Airlines Logo
5:28 pm - 10:30 pmABE-ONT
8h 02m1 stop
United Airlines Logo
6:50 pm - 11:58 amONT-ABE
14h 08m2 stops
$374United Airlines
Find Deal
Fri, Aug 29 - Tue, Sep 2
Delta Logo
6:30 am - 4:14 pmABE-ONT
12h 44m2 stops
Delta Logo
12:00 pm - 10:52 pmONT-ABE
7h 52m1 stop
$379Delta
Find Deal
Sat, Nov 15 - Tue, Nov 18
United Airlines Logo
6:37 am - 5:37 pmABE-ONT
14h 00m2 stops
United Airlines Logo
7:00 am - 4:53 pmONT-ABE
6h 53m1 stop
$402United Airlines
Find Deal
Wed, Aug 27 - Sun, Aug 31
Delta Logo
6:00 am - 10:38 amABE-ONT
7h 38m1 stop
Delta Logo
11:56 am - 11:14 pmONT-ABE
8h 18m1 stop
$439Delta
Find Deal
Wed, Dec 24 - Wed, Dec 31
Delta Logo
6:30 am - 4:14 pmABE-ONT
12h 44m2 stops
Delta Logo
6:00 am - 10:52 pmONT-ABE
13h 52m2 stops
$452Delta
Find Deal
Sat, Nov 15 - Tue, Nov 18
Delta Logo
5:36 pm - 10:56 pmABE-ONT
8h 20m1 stop
Delta Logo
6:52 am - 4:58 pmONT-ABE
7h 06m1 stop
$517Delta
Find Deal
Tue, Dec 23 - Fri, Jan 2
United Airlines Logo
1:00 pm - 8:43 pmABE-ONT
10h 43m2 stops
United Airlines Logo
6:50 pm - 11:58 amONT-ABE
14h 08m2 stops
$533United Airlines
Find Deal
Wed, Aug 27 - Sun, Aug 31
American Airlines Logo
6:15 am - 4:24 pmABE-ONT
13h 09m2 stops
American Airlines Logo
6:10 am - 10:29 pmONT-ABE
13h 19m2 stops
$596American Airlines
Find Deal
Mon, Sep 1 - Sat, Sep 6
American Airlines Logo
2:56 pm - 9:12 pmABE-ONT
9h 16m1 stop
American Airlines Logo
10:29 pm - 1:14 pmONT-ABE
11h 45m1 stop
$1,050American Airlines
Find Deal
Wed, Aug 27 - Sun, Aug 31

American Airlines flights from Allentown to Ontario

Our best American Airlines deals on Allentown to Ontario flight tickets
American Airlines
Sep 1
ABE6:15 amAllentown-Bethlehem
13h 09m
2 stops
ONT4:24 pmOntario
Sep 6
ONT6:10 amOntario
13h 19m
2 stops
ABE10:29 pmAllentown-Bethlehem
$596
Find similar
American Airlines
Aug 27
ABE2:56 pmAllentown-Bethlehem
9h 16m
1 stop
ONT9:12 pmOntario
Aug 31
ONT10:29 pmOntario
11h 45m
1 stop
ABE1:14 pmAllentown-Bethlehem
$1,050
Find similar

United Airlines flights from Allentown to Ontario

Our best United Airlines deals on Allentown to Ontario flight tickets
United Airlines
Aug 29
ABE5:28 pmAllentown-Bethlehem
8h 02m
1 stop
ONT10:30 pmOntario
Sep 2
ONT6:50 pmOntario
14h 08m
2 stops
ABE11:58 amAllentown-Bethlehem
$374
Find similar
United Airlines
Aug 27
ABE6:37 amAllentown-Bethlehem
14h 00m
2 stops
ONT5:37 pmOntario
Aug 31
ONT7:00 amOntario
6h 53m
1 stop
ABE4:53 pmAllentown-Bethlehem
$402
Find similar
United Airlines
Aug 27
ABE1:00 pmAllentown-Bethlehem
10h 43m
2 stops
ONT8:43 pmOntario
Aug 31
ONT6:50 pmOntario
14h 08m
2 stops
ABE11:58 amAllentown-Bethlehem
$533
Find similar

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 August 14, 2025.
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

Sat 11/15

6:30 am-11:24 am

1 stop7h 54m

Ontario

Tue 11/18

10:59 pm-12:08 pm

1 stop10h 09m

$309

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Fri 8/29

5:28 pm-10:30 pm

1 stop8h 02m

Ontario

Tue 9/2

6:50 pm-11:58 am

2 stops14h 08m

$374

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Sat 11/15

6:30 am-4:14 pm

2 stops12h 44m

Ontario

Tue 11/18

12:00 pm-10:52 pm

1 stop7h 52m

$379

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Wed 8/27

6:37 am-5:37 pm

2 stops14h 00m

Ontario

Sun 8/31

7:00 am-4:53 pm

1 stop6h 53m

$402

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Wed 12/24

6:00 am-10:38 am

1 stop7h 38m

Ontario

Wed 12/31

11:56 am-11:14 pm

1 stop8h 18m

$439

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Sat 11/15

6:30 am-4:14 pm

2 stops12h 44m

Ontario

Tue 11/18

6:00 am-10:52 pm

2 stops13h 52m

$452

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Tue 12/23

5:36 pm-10:56 pm

1 stop8h 20m

Ontario

Fri 1/2

6:52 am-4:58 pm

1 stop7h 06m

$517

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Wed 8/27

1:00 pm-8:43 pm

2 stops10h 43m

Ontario

Sun 8/31

6:50 pm-11:58 am

2 stops14h 08m

$533

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Mon 9/1

6:15 am-4:24 pm

2 stops13h 09m

Ontario

Sat 9/6

6:10 am-10:29 pm

2 stops13h 19m

$596

AllentownOntario

ABE - ONT

ABEONT

Allentown-Bethlehem

Wed 8/27

2:56 pm-9:12 pm

1 stop9h 16m

Ontario

Sun 8/31

10:29 pm-1:14 pm

1 stop11h 45m

$1,050

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 month to fly to Ontario?

In general, January 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 $291. If you aren’t able to travel during the month of January, then book flights to Ontario from Allentown during March instead. Flights to Ontario in March, while not as cheap as those in January, 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

Best Price Found

$289

Fastest flight time

7h 35m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from Allentown in the past 72 hours is $289. The best round-trip flight deal from Allentown to Ontario found on momondo in the last 72 hours is $309.
The fastest flight from Allentown to Ontario takes 7h 35m
There are no direct flights from Allentown to Ontario. Popular non-direct route for this connection is Allentown-Bethlehem Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)
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 35m, 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
8.0
7,980 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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