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

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

What airlines fly to Allentown?

American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to Allentown from Ontario 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 Allentown. Keep in mind that there are 10 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Ontario Airport to Allentown-Bethlehem Airport are refreshed on a daily basis.

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

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

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Allentown-Bethlehem Airport.

What documentation or ID do you need to fly to Allentown-Bethlehem Airport?

The required travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Allentown-Bethlehem Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$169 Cheap Flights from Ontario to Allentown in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Ontario to Allentown

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:36 am - 10:15 pmONT-ABE

7h 39m1 stop

12:56 pm - 7:42 pmABE-ONT

9h 46m1 stop

$369Delta

Find Deal

Sat, Nov 8 - Tue, Nov 11

8:04 pm - 10:47 amONT-ABE

11h 43m2 stops

1:43 pm - 8:24 pmABE-ONT

9h 41m1 stop

$385American Airlines

Find Deal

Fri, Feb 20 - Tue, Feb 24

8:04 pm - 10:47 amONT-ABE

11h 43m2 stops

1:43 pm - 8:24 pmABE-ONT

9h 41m1 stop

$389American Airlines

Find Deal

Fri, Feb 20 - Tue, Feb 24

8:04 pm - 10:47 amONT-ABE

11h 43m2 stops

1:43 pm - 8:24 pmABE-ONT

9h 41m1 stop

$390American Airlines

Find Deal

Fri, Feb 20 - Tue, Feb 24

8:04 pm - 10:47 amONT-ABE

11h 43m2 stops

1:43 pm - 9:57 pmABE-ONT

11h 14m2 stops

$394American Airlines

Find Deal

Fri, Feb 20 - Tue, Feb 24

12:12 pm - 10:11 pmONT-ABE

6h 59m1 stop

6:00 pm - 11:04 pmABE-ONT

8h 04m1 stop

$404Delta

Find Deal

Sat, Dec 6 - Sun, Dec 7

11:36 am - 10:15 pmONT-ABE

7h 39m1 stop

6:00 pm - 11:04 pmABE-ONT

8h 04m1 stop

$459Delta

Find Deal

Fri, Nov 7 - Mon, Nov 10

1:45 pm - 4:48 pmONT-ABE

24h 03m2 stops

10:33 am - 8:50 pmABE-ONT

13h 17m2 stops

$513United Airlines

Find Deal

Fri, Feb 13 - Sun, Feb 15

7:00 am - 4:47 pmONT-ABE

6h 47m1 stop

5:22 pm - 10:31 pmABE-ONT

8h 09m1 stop

$643United Airlines

Find Deal

Wed, Nov 19 - Wed, Nov 26

7:00 am - 4:47 pmONT-ABE

6h 47m1 stop

5:22 pm - 10:31 pmABE-ONT

8h 09m1 stop

$661United Airlines

Find Deal

Tue, Nov 25 - Wed, Nov 26

American Airlines flights from Ontario to Allentown

Our best American Airlines deals on Ontario to Allentown flight tickets

American Airlines

Feb 20

ONT8:04 pmOntario

11h 43m

2 stops

ABE10:47 amAllentown-Bethlehem

Feb 24

ABE1:43 pmAllentown-Bethlehem

9h 41m

1 stop

ONT8:24 pmOntario

$385

Find similar

American Airlines

Feb 20

ONT8:04 pmOntario

11h 43m

2 stops

ABE10:47 amAllentown-Bethlehem

Feb 24

ABE1:43 pmAllentown-Bethlehem

9h 41m

1 stop

ONT8:24 pmOntario

$389

Find similar

American Airlines

Feb 20

ONT8:04 pmOntario

11h 43m

2 stops

ABE10:47 amAllentown-Bethlehem

Feb 24

ABE1:43 pmAllentown-Bethlehem

9h 41m

1 stop

ONT8:24 pmOntario

$390

Find similar

Delta flights from Ontario to Allentown

Our best Delta deals on Ontario to Allentown flight tickets

Delta

Nov 8

ONT11:36 amOntario

7h 39m

1 stop

ABE10:15 pmAllentown-Bethlehem

Nov 11

ABE12:56 pmAllentown-Bethlehem

9h 46m

1 stop

ONT7:42 pmOntario

$369

Find similar

Delta

Dec 6

ONT12:12 pmOntario

6h 59m

1 stop

ABE10:11 pmAllentown-Bethlehem

Dec 7

ABE6:00 pmAllentown-Bethlehem

8h 04m

1 stop

ONT11:04 pmOntario

$404

Find similar

Delta

Nov 7

ONT11:36 amOntario

7h 39m

1 stop

ABE10:15 pmAllentown-Bethlehem

Nov 10

ABE6:00 pmAllentown-Bethlehem

8h 04m

1 stop

ONT11:04 pmOntario

$459

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Sat 11/8

11:36 am-10:15 pm

1 stop7h 39m

Allentown-Bethlehem

Tue 11/11

12:56 pm-7:42 pm

1 stop9h 46m

$369

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Fri 2/20

8:04 pm-10:47 am

2 stops11h 43m

Allentown-Bethlehem

Tue 2/24

1:43 pm-8:24 pm

1 stop9h 41m

$385

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Fri 2/20

8:04 pm-10:47 am

2 stops11h 43m

Allentown-Bethlehem

Tue 2/24

1:43 pm-8:24 pm

1 stop9h 41m

$389

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Fri 2/20

8:04 pm-10:47 am

2 stops11h 43m

Allentown-Bethlehem

Tue 2/24

1:43 pm-8:24 pm

1 stop9h 41m

$390

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Fri 2/20

8:04 pm-10:47 am

2 stops11h 43m

Allentown-Bethlehem

Tue 2/24

1:43 pm-9:57 pm

2 stops11h 14m

$394

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Sat 12/6

12:12 pm-10:11 pm

1 stop6h 59m

Allentown-Bethlehem

Sun 12/7

6:00 pm-11:04 pm

1 stop8h 04m

$404

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Fri 11/7

11:36 am-10:15 pm

1 stop7h 39m

Allentown-Bethlehem

Mon 11/10

6:00 pm-11:04 pm

1 stop8h 04m

$459

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Fri 2/13

1:45 pm-4:48 pm

2 stops24h 03m

Allentown-Bethlehem

Sun 2/15

10:33 am-8:50 pm

2 stops13h 17m

$513

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Wed 11/19

7:00 am-4:47 pm

1 stop6h 47m

Allentown-Bethlehem

Wed 11/26

5:22 pm-10:31 pm

1 stop8h 09m

$643

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Tue 11/25

7:00 am-4:47 pm

1 stop6h 47m

Allentown-Bethlehem

Wed 11/26

5:22 pm-10:31 pm

1 stop8h 09m

$661

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 Ontario to Allentown

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 day to depart on your flight to Allentown?

The cheapest day to depart from Ontario to Allentown is on a Saturday when prices can be found for as low as $403. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Allentown on Friday is $468.

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

In the afternoon is the cheapest time of day to fly from Ontario to Allentown when you can find flight prices for as low as $288. Flying to Allentown in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $450.

Can stopping save me money on Ontario to Allentown flights?

You could potentially save up to 63% on your flight if you consider stops on a Ontario to Allentown flight.

When to book flights from Ontario to Allentown

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

Estimated round-trip price

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

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

Direct flights	None

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

Search flight deals

How far is Ontario to Allentown-Bethlehem by plane?
Ontario and Allentown-Bethlehem are 2336.4 mi apart from one another. In terms of flight time, this usually takes a little over 6h 47m.
When did momondo last update prices for flights from Ontario Airport to Allentown-Bethlehem Airport?
Prices for flights from Ontario Airport to Allentown-Bethlehem Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Allentown-Bethlehem Airport?
The number of operators available for flights from Ontario Airport to Allentown-Bethlehem Airport is 1 as of October 2025.
How old do you have to be to fly from Ontario Airport to Allentown-Bethlehem Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Allentown-Bethlehem Airport.
What documentation or ID do you need to fly to Allentown-Bethlehem Airport?
The required travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Allentown-Bethlehem Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Ontario to Allentown?
momondo data reveals that the most frequently booked airline on the route from Ontario to Allentown is Delta, representing 100% of all bookings.

Best airlines flying from Ontario to Allentown

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $373	Free Cancellation	Rating 7.9 7,982 reviews		Search Delta flights

Lehighton

Why use momondo?

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

It is quick and easy to find Ontario to Allentown flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Allentown that suits you.

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

All flight searches from Ontario to Allentown on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Ontario and Allentown by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Allentown, momondo offers a useful price alert feature which will track prices for flights to Allentown from Ontario and alert you when they change.