What airlines fly to Allentown?

United Airlines, American Airlines and Spirit Airlines are the top three most popular airlines that fly to Allentown from Ontario according to our data. United 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.

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

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

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 January 2026.

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.

$210 Cheap Flights from Ontario to Allentown in 2026

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.

11:59 pm - 9:56 am

ONT

ABE

6h 57m

1 stop

5:38 pm - 10:26 pm

ABE

ONT

7h 48m

1 stop

$534United Airlines

Sun, Mar 22 - Tue, Mar 31

11:59 pm - 9:56 am

ONT

ABE

6h 57m

1 stop

6:20 am - 10:18 pm

ABE

ONT

18h 58m

1 stop

$575United Airlines

Wed, Mar 18 - Wed, Mar 25

11:59 pm - 9:56 am

ONT

ABE

6h 57m

1 stop

6:20 am - 10:36 pm

ABE

ONT

19h 16m

2 stops

$580United Airlines

Wed, Mar 18 - Wed, Mar 25

11:59 pm - 9:56 am

ONT

ABE

6h 57m

1 stop

6:15 am - 6:02 pm

ABE

ONT

14h 47m

2 stops

$639United Airlines

Sun, Mar 22 - Tue, Mar 31

6:37 pm - 11:50 am

ONT

ABE

14h 13m

2 stops

10:36 am - 10:57 pm

ABE

ONT

15h 21m

2 stops

$712United Airlines

Fri, Feb 13 - Mon, Feb 16

7:00 am - 5:17 pm

ONT

ABE

7h 17m

1 stop

6:30 am - 11:20 am

ABE

ONT

7h 50m

1 stop

$784Delta

Sat, Jun 27 - Sun, Jun 28

5:00 am - 4:48 pm

ONT

ABE

8h 48m

2 stops

10:36 am - 10:57 pm

ABE

ONT

15h 21m

2 stops

$802United Airlines

Sat, Feb 14 - Mon, Feb 16

6:49 pm - 9:58 am

ONT

ABE

12h 09m

2 stops

10:35 am - 10:26 pm

ABE

ONT

14h 51m

1 stop

$804United Airlines

Thu, Apr 16 - Sun, Apr 19

9:08 pm - 11:50 am

ONT

ABE

11h 42m

2 stops

10:36 am - 10:57 pm

ABE

ONT

15h 21m

2 stops

$861United Airlines

Fri, Feb 13 - Mon, Feb 16

7:00 am - 5:17 pm

ONT

ABE

7h 17m

1 stop

6:30 am - 11:20 am

ABE

ONT

7h 50m

1 stop

$924Delta

Fri, Jun 26 - Sun, Jun 28

Delta flights from Ontario to Allentown

Our best Delta deals on Ontario to Allentown flight tickets

Delta

Feb 3

ONT12:41 pmOntario

7h 09m

1 stop

ABE10:50 pmAllentown-Bethlehem

Feb 22

ABE6:28 amAllentown-Bethlehem

8h 34m

1 stop

ONT12:02 pmOntario

$588

Delta

Feb 3

ONT12:41 pmOntario

7h 09m

1 stop

ABE10:50 pmAllentown-Bethlehem

Feb 21

ABE6:28 amAllentown-Bethlehem

8h 34m

1 stop

ONT12:02 pmOntario

$625

Delta

Feb 1

ONT12:41 pmOntario

7h 09m

1 stop

ABE10:50 pmAllentown-Bethlehem

Feb 22

ABE6:28 amAllentown-Bethlehem

8h 34m

1 stop

ONT12:02 pmOntario

$675

United Airlines flights from Ontario to Allentown

Our best United Airlines deals on Ontario to Allentown flight tickets

United Airlines

Mar 22

ONT11:59 pmOntario

6h 57m

1 stop

ABE9:56 amAllentown-Bethlehem

Mar 31

ABE5:38 pmAllentown-Bethlehem

7h 48m

1 stop

ONT10:26 pmOntario

$534

United Airlines

Mar 18

ONT11:59 pmOntario

6h 57m

1 stop

ABE9:56 amAllentown-Bethlehem

Mar 25

ABE6:20 amAllentown-Bethlehem

18h 58m

1 stop

ONT10:18 pmOntario

$575

United Airlines

Mar 18

ONT11:59 pmOntario

6h 57m

1 stop

ABE9:56 amAllentown-Bethlehem

Mar 25

ABE6:20 amAllentown-Bethlehem

19h 16m

2 stops

ONT10:36 pmOntario

$580

Fly from

Fly to

Route

Depart

Return

Price

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Sun 3/22

11:59 pm-9:56 am

1 stop6h 57m

Allentown-Bethlehem

Tue 3/31

5:38 pm-10:26 pm

1 stop7h 48m

$534

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Wed 3/18

11:59 pm-9:56 am

1 stop6h 57m

Allentown-Bethlehem

Wed 3/25

6:20 am-10:18 pm

1 stop18h 58m

$575

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Wed 3/18

11:59 pm-9:56 am

1 stop6h 57m

Allentown-Bethlehem

Wed 3/25

6:20 am-10:36 pm

2 stops19h 16m

$580

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Sun 3/22

11:59 pm-9:56 am

1 stop6h 57m

Allentown-Bethlehem

Tue 3/31

6:15 am-6:02 pm

2 stops14h 47m

$639

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Fri 2/13

6:37 pm-11:50 am

2 stops14h 13m

Allentown-Bethlehem

Mon 2/16

10:36 am-10:57 pm

2 stops15h 21m

$712

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Sat 6/27

7:00 am-5:17 pm

1 stop7h 17m

Allentown-Bethlehem

Sun 6/28

6:30 am-11:20 am

1 stop7h 50m

$784

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Sat 2/14

5:00 am-4:48 pm

2 stops8h 48m

Allentown-Bethlehem

Mon 2/16

10:36 am-10:57 pm

2 stops15h 21m

$802

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Thu 4/16

6:49 pm-9:58 am

2 stops12h 09m

Allentown-Bethlehem

Sun 4/19

10:35 am-10:26 pm

1 stop14h 51m

$804

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Fri 2/13

9:08 pm-11:50 am

2 stops11h 42m

Allentown-Bethlehem

Mon 2/16

10:36 am-10:57 pm

2 stops15h 21m

$861

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Fri 6/26

7:00 am-5:17 pm

1 stop7h 17m

Allentown-Bethlehem

Sun 6/28

6:30 am-11:20 am

1 stop7h 50m

$924

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

Can stopping save me money on Ontario to Allentown flights?

You could potentially save up to 77% 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

Fastest flight time	6h 57m
Direct flights	None

The fastest flight from Ontario to Allentown takes 6h 57m

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 57m.
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 January 2026.
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 8,118 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.