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 36% 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 March 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.

$179 Cheap Flights from Ontario to Allentown in 2026

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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.

12:49 pm - 11:00 pm

ONT

ABE

7h 11m

1 stop

12:53 pm - 6:33 pm

ABE

ONT

8h 40m

1 stop

$381Delta

Sat, May 2 - Wed, May 6

12:00 pm - 10:56 pm

ONT

ABE

7h 56m

1 stop

1:00 pm - 6:01 pm

ABE

ONT

8h 01m

1 stop

$414Delta

Wed, Aug 26 - Tue, Sep 1

12:49 pm - 11:00 pm

ONT

ABE

7h 11m

1 stop

12:53 pm - 6:33 pm

ABE

ONT

8h 40m

1 stop

$426Delta

Sat, May 2 - Sun, May 3

12:57 pm - 10:52 pm

ONT

ABE

6h 55m

1 stop

6:33 am - 11:36 am

ABE

ONT

8h 03m

1 stop

$439Delta

Tue, Apr 7 - Tue, Apr 14

12:49 pm - 11:00 pm

ONT

ABE

7h 11m

1 stop

6:33 am - 11:36 am

ABE

ONT

8h 03m

1 stop

$457Delta

Wed, Apr 29 - Sat, May 2

6:49 pm - 9:48 am

ONT

ABE

11h 59m

2 stops

10:35 am - 6:01 pm

ABE

ONT

10h 26m

1 stop

$460United Airlines

Mon, Apr 27 - Sat, May 2

7:00 am - 5:00 pm

ONT

ABE

7h 00m

1 stop

5:40 pm - 10:35 pm

ABE

ONT

7h 55m

1 stop

$465United Airlines

Sat, May 2 - Tue, May 5

6:49 pm - 9:48 am

ONT

ABE

11h 59m

2 stops

10:35 am - 10:59 pm

ABE

ONT

15h 24m

2 stops

$466United Airlines

Mon, Apr 27 - Sat, May 2

6:49 pm - 9:48 am

ONT

ABE

11h 59m

2 stops

10:35 am - 6:01 pm

ABE

ONT

10h 26m

1 stop

$470United Airlines

Wed, Apr 29 - Sat, May 2

6:49 pm - 9:48 am

ONT

ABE

11h 59m

2 stops

5:45 pm - 10:31 pm

ABE

ONT

7h 46m

1 stop

$474United Airlines

Wed, Apr 8 - Sat, Apr 18

Delta flights from Ontario to Allentown

Our best Delta deals on Ontario to Allentown flight tickets

Delta

May 2

ONT12:49 pmOntario

7h 11m

1 stop

ABE11:00 pmAllentown-Bethlehem

May 6

ABE12:53 pmAllentown-Bethlehem

8h 40m

1 stop

ONT6:33 pmOntario

$381

Delta

Aug 26

ONT12:00 pmOntario

7h 56m

1 stop

ABE10:56 pmAllentown-Bethlehem

Sep 1

ABE1:00 pmAllentown-Bethlehem

8h 01m

1 stop

ONT6:01 pmOntario

$414

Delta

May 2

ONT12:49 pmOntario

7h 11m

1 stop

ABE11:00 pmAllentown-Bethlehem

May 3

ABE12:53 pmAllentown-Bethlehem

8h 40m

1 stop

ONT6:33 pmOntario

$426

United Airlines flights from Ontario to Allentown

Our best United Airlines deals on Ontario to Allentown flight tickets

United Airlines

Apr 27

ONT6:49 pmOntario

11h 59m

2 stops

ABE9:48 amAllentown-Bethlehem

May 2

ABE10:35 amAllentown-Bethlehem

10h 26m

1 stop

ONT6:01 pmOntario

$460

United Airlines

May 2

ONT7:00 amOntario

7h 00m

1 stop

ABE5:00 pmAllentown-Bethlehem

May 5

ABE5:40 pmAllentown-Bethlehem

7h 55m

1 stop

ONT10:35 pmOntario

$465

United Airlines

Apr 27

ONT6:49 pmOntario

11h 59m

2 stops

ABE9:48 amAllentown-Bethlehem

May 2

ABE10:35 amAllentown-Bethlehem

15h 24m

2 stops

ONT10:59 pmOntario

$466

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Sat 5/2

12:49 pm-11:00 pm

1 stop7h 11m

Allentown-Bethlehem

Wed 5/6

12:53 pm-6:33 pm

1 stop8h 40m

$381

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Wed 8/26

12:00 pm-10:56 pm

1 stop7h 56m

Allentown-Bethlehem

Tue 9/1

1:00 pm-6:01 pm

1 stop8h 01m

$414

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Sat 5/2

12:49 pm-11:00 pm

1 stop7h 11m

Allentown-Bethlehem

Sun 5/3

12:53 pm-6:33 pm

1 stop8h 40m

$426

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Tue 4/7

12:57 pm-10:52 pm

1 stop6h 55m

Allentown-Bethlehem

Tue 4/14

6:33 am-11:36 am

1 stop8h 03m

$439

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Wed 4/29

12:49 pm-11:00 pm

1 stop7h 11m

Allentown-Bethlehem

Sat 5/2

6:33 am-11:36 am

1 stop8h 03m

$457

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Mon 4/27

6:49 pm-9:48 am

2 stops11h 59m

Allentown-Bethlehem

Sat 5/2

10:35 am-6:01 pm

1 stop10h 26m

$460

Quickest round-trip

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Sat 5/2

7:00 am-5:00 pm

1 stop7h 00m

Allentown-Bethlehem

Tue 5/5

5:40 pm-10:35 pm

1 stop7h 55m

$465

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Mon 4/27

6:49 pm-9:48 am

2 stops11h 59m

Allentown-Bethlehem

Sat 5/2

10:35 am-10:59 pm

2 stops15h 24m

$466

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Wed 4/29

6:49 pm-9:48 am

2 stops11h 59m

Allentown-Bethlehem

Sat 5/2

10:35 am-6:01 pm

1 stop10h 26m

$470

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Wed 4/8

6:49 pm-9:48 am

2 stops11h 59m

Allentown-Bethlehem

Sat 4/18

5:45 pm-10:31 pm

1 stop7h 46m

$474

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 75% 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 55m
Direct flights	None

The fastest flight from Ontario to Allentown takes 6h 55m

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 55m.
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 March 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 $308	Free Cancellation	Rating 7.9 8,292 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.