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

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 August 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.

$203 Cheap Flights from Ontario to Allentown (ONT-ABE) in 2025

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Find the cheapest flights from Ontario to Allentown (ONT-ABE)

Round-trip

One-way

Last minute

Cheap round-trip flights

8:59 pm - 3:42 pmONT-ABE

15h 43m1 stop

7:30 am - 7:53 amABE-ONT

27h 23m1 stop

$268

Find Deal

Wed, Oct 1 - Sun, Oct 5

8:59 pm - 3:42 pmONT-ABE

15h 43m1 stop

7:30 am - 7:17 amABE-ONT

26h 47m2 stops

$347

Find Deal

Wed, Oct 1 - Sun, Oct 5

7:00 am - 4:53 pmONT-ABE

6h 53m1 stop

5:28 pm - 10:30 pmABE-ONT

8h 02m1 stop

$469United Airlines

Find Deal

Tue, Aug 26 - Sat, Aug 30

6:50 pm - 11:58 amONT-ABE

14h 08m2 stops

5:28 pm - 8:43 pmABE-ONT

30h 15m2 stops

$479United Airlines

Find Deal

Tue, Sep 16 - Mon, Sep 22

6:50 pm - 11:58 amONT-ABE

14h 08m2 stops

5:28 pm - 10:30 pmABE-ONT

8h 02m1 stop

$489United Airlines

Find Deal

Tue, Sep 16 - Mon, Sep 22

7:00 am - 4:53 pmONT-ABE

6h 53m1 stop

5:28 pm - 10:30 pmABE-ONT

8h 02m1 stop

$514United Airlines

Find Deal

Tue, Aug 26 - Tue, Sep 2

7:05 am - 5:20 pmONT-ABE

7h 15m1 stop

6:30 am - 11:24 amABE-ONT

7h 54m1 stop

$584Delta

Find Deal

Sat, Nov 8 - Sun, Nov 9

9:50 am - 10:15 pmONT-ABE

9h 25m2 stops

6:30 am - 11:24 amABE-ONT

7h 54m1 stop

$589Delta

Find Deal

Sat, Nov 8 - Sun, Nov 9

6:10 am - 6:30 pmONT-ABE

9h 20m2 stops

2:37 pm - 9:24 pmABE-ONT

9h 47m1 stop

$628American Airlines

Find Deal

Wed, Sep 17 - Tue, Sep 23

10:47 am - 10:53 pmONT-ABE

9h 06m2 stops

2:00 pm - 9:59 pmABE-ONT

10h 59m2 stops

$648American Airlines

Find Deal

Sat, Nov 8 - Sun, Nov 9

United Airlines flights from Ontario to Allentown

Our best United Airlines deals on Ontario to Allentown flight tickets

United Airlines

Aug 26

ONT7:00 amOntario

6h 53m

1 stop

ABE4:53 pmAllentown-Bethlehem

Aug 30

ABE5:28 pmAllentown-Bethlehem

8h 02m

1 stop

ONT10:30 pmOntario

$469

Find similar

United Airlines

Sep 16

ONT6:50 pmOntario

14h 08m

2 stops

ABE11:58 amAllentown-Bethlehem

Sep 22

ABE5:28 pmAllentown-Bethlehem

30h 15m

2 stops

ONT8:43 pmOntario

$479

Find similar

United Airlines

Sep 16

ONT6:50 pmOntario

14h 08m

2 stops

ABE11:58 amAllentown-Bethlehem

Sep 22

ABE5:28 pmAllentown-Bethlehem

8h 02m

1 stop

ONT10:30 pmOntario

$489

Find similar

Delta flights from Ontario to Allentown

Our best Delta deals on Ontario to Allentown flight tickets

Delta

Aug 20

ONT11:45 amOntario

8h 12m

1 stop

ABE10:57 pmAllentown-Bethlehem

Aug 27

ABE12:56 pmAllentown-Bethlehem

9h 15m

1 stop

ONT7:11 pmOntario

$414

Find similar

Delta

Aug 19

ONT11:45 amOntario

8h 12m

1 stop

ABE10:57 pmAllentown-Bethlehem

Aug 24

ABE6:00 amAllentown-Bethlehem

7h 35m

1 stop

ONT10:35 amOntario

$543

Find similar

Delta

Nov 8

ONT7:05 amOntario

7h 15m

1 stop

ABE5:20 pmAllentown-Bethlehem

Nov 9

ABE6:30 amAllentown-Bethlehem

7h 54m

1 stop

ONT11:24 amOntario

$584

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Wed 10/1

8:59 pm-3:42 pm

1 stop15h 43m

Allentown-Bethlehem

Sun 10/5

7:30 am-7:53 am

1 stop27h 23m

$268

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Wed 10/1

8:59 pm-3:42 pm

1 stop15h 43m

Allentown-Bethlehem

Sun 10/5

7:30 am-7:17 am

2 stops26h 47m

$347

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Tue 8/26

7:00 am-4:53 pm

1 stop6h 53m

Allentown-Bethlehem

Sat 8/30

5:28 pm-10:30 pm

1 stop8h 02m

$469

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Tue 9/16

6:50 pm-11:58 am

2 stops14h 08m

Allentown-Bethlehem

Mon 9/22

5:28 pm-8:43 pm

2 stops30h 15m

$479

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Tue 9/16

6:50 pm-11:58 am

2 stops14h 08m

Allentown-Bethlehem

Mon 9/22

5:28 pm-10:30 pm

1 stop8h 02m

$489

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Tue 8/26

7:00 am-4:53 pm

1 stop6h 53m

Allentown-Bethlehem

Tue 9/2

5:28 pm-10:30 pm

1 stop8h 02m

$514

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Sat 11/8

7:05 am-5:20 pm

1 stop7h 15m

Allentown-Bethlehem

Sun 11/9

6:30 am-11:24 am

1 stop7h 54m

$584

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Sat 11/8

9:50 am-10:15 pm

2 stops9h 25m

Allentown-Bethlehem

Sun 11/9

6:30 am-11:24 am

1 stop7h 54m

$589

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Wed 9/17

6:10 am-6:30 pm

2 stops9h 20m

Allentown-Bethlehem

Tue 9/23

2:37 pm-9:24 pm

1 stop9h 47m

$628

OntarioAllentown

ONT - ABE

ONTABE

Ontario

Sat 11/8

10:47 am-10:53 pm

2 stops9h 06m

Allentown-Bethlehem

Sun 11/9

2:00 pm-9:59 pm

2 stops10h 59m

$648

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 57% 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

Best Price Found	$263
Fastest flight time	6h 51m
Direct flights	None
Airports in Allentown	1 airport

The best one-way flight to Allentown from Ontario in the past 72 hours is $263. The best round-trip flight deal from Ontario to Allentown found on momondo in the last 72 hours is $268.

The fastest flight from Ontario to Allentown takes 6h 51m

There are no direct flights from Ontario to Allentown. Popular non-direct route for this connection is Ontario Airport - Allentown-Bethlehem Airport.

There is 1 airport near Allentown: Allentown-Bethlehem (ABE)

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 51m.
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 August 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 $383	Free Cancellation	Rating 8.0 7,979 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.