What airlines fly to Allentown?

United Airlines, American Airlines and JetBlue 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 48% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 8 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?

United Airlines and Delta 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 September 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.

$121 Cheap Flights from Ontario to Allentown in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

5:00 am - 9:22 pmONT Ontario-ABE Allentown-Bethlehem

13h 22m2 stops Denver Intl Chicago O'Hare Intl

10:10 am - 8:26 pmABE Allentown-Bethlehem-ONT Ontario

13h 16m2 stops Chicago O'Hare Intl San Francisco

$283United Airlines

Tue, Dec 15 - Wed, Jan 13

7:00 am - 5:12 pmONT Ontario-ABE Allentown-Bethlehem

7h 12m1 stop Atlanta Hartsfield-Jackson

6:30 am - 11:27 amABE Allentown-Bethlehem-ONT Ontario

7h 57m1 stop Atlanta Hartsfield-Jackson

$297Delta

Wed, Jan 6 - Tue, Jan 12

12:20 pm - 10:27 pmONT Ontario-ABE Allentown-Bethlehem

7h 07m1 stop Atlanta Hartsfield-Jackson

6:30 am - 11:27 amABE Allentown-Bethlehem-ONT Ontario

7h 57m1 stop Atlanta Hartsfield-Jackson

$297Delta

Tue, Dec 15 - Wed, Jan 13

12:16 pm - 10:19 pmONT Ontario-ABE Allentown-Bethlehem

7h 03m1 stop Atlanta Hartsfield-Jackson

1:00 pm - 8:25 pmABE Allentown-Bethlehem-ONT Ontario

10h 25m1 stop Atlanta Hartsfield-Jackson

$297Delta

Tue, Oct 20 - Wed, Oct 28

9:29 am - 10:59 pmONT Ontario-ABE Allentown-Bethlehem

10h 30m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

6:16 pm - 11:19 pmABE Allentown-Bethlehem-ONT Ontario

8h 03m1 stop Chicago O'Hare Intl

$323American Airlines

Tue, Dec 15 - Wed, Jan 13

12:00 pm - 10:46 pmONT Ontario-ABE Allentown-Bethlehem

7h 46m1 stop Atlanta Hartsfield-Jackson

6:30 am - 11:27 amABE Allentown-Bethlehem-ONT Ontario

7h 57m1 stop Atlanta Hartsfield-Jackson

$366Delta

Tue, Jan 5 - Wed, Jan 13

10:10 pm - 11:18 amONT Ontario-ABE Allentown-Bethlehem

10h 08m1 stop Charlotte Douglas

5:14 pm - 10:59 pmABE Allentown-Bethlehem-ONT Ontario

8h 45m1 stop Charlotte Douglas

$381American Airlines

Tue, Oct 13 - Fri, Oct 16

7:05 am - 5:23 pmONT Ontario-ABE Allentown-Bethlehem

7h 18m1 stop Atlanta Hartsfield-Jackson

12:50 pm - 6:39 pmABE Allentown-Bethlehem-ONT Ontario

8h 49m1 stop Atlanta Hartsfield-Jackson

$389Delta

Sat, Dec 5 - Mon, Dec 7

12:20 pm - 10:27 pmONT Ontario-ABE Allentown-Bethlehem

7h 07m1 stop Atlanta Hartsfield-Jackson

12:50 pm - 6:39 pmABE Allentown-Bethlehem-ONT Ontario

8h 49m1 stop Atlanta Hartsfield-Jackson

$389Delta

Wed, Dec 2 - Mon, Dec 7

12:20 pm - 10:27 pmONT Ontario-ABE Allentown-Bethlehem

7h 07m1 stop Atlanta Hartsfield-Jackson

12:50 pm - 7:56 pmABE Allentown-Bethlehem-ONT Ontario

10h 06m1 stop Atlanta Hartsfield-Jackson

$389Delta

Fri, Dec 4 - Sat, Dec 5

Cheap last minute flights

Enter your travel dates to find the best prices.

12:17 pm - 10:16 pmONT Ontario-ABE Allentown-Bethlehem

6h 59m1 stop Atlanta Hartsfield-Jackson

6:04 pm - 10:24 pmABE Allentown-Bethlehem-ONT Ontario

7h 20m1 stop Atlanta Hartsfield-Jackson

$597Delta

Sat, Sep 19 - Sun, Sep 20

12:19 pm - 10:16 pmONT Ontario-ABE Allentown-Bethlehem

6h 57m1 stop Atlanta Hartsfield-Jackson

6:04 pm - 10:24 pmABE Allentown-Bethlehem-ONT Ontario

7h 20m1 stop Atlanta Hartsfield-Jackson

$601Delta

Wed, Sep 23 - Mon, Sep 28

7:13 pm - 9:39 amONT Ontario-ABE Allentown-Bethlehem

11h 26m2 stops San Francisco Chicago O'Hare Intl

5:43 pm - 10:49 pmABE Allentown-Bethlehem-ONT Ontario

8h 06m1 stop Chicago O'Hare Intl

$794United Airlines

Sun, Sep 20 - Fri, Sep 25

7:13 pm - 9:39 amONT Ontario-ABE Allentown-Bethlehem

11h 26m2 stops San Francisco Chicago O'Hare Intl

5:43 pm - 9:59 pmABE Allentown-Bethlehem-ONT Ontario

31h 16m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

$842United Airlines

Sun, Sep 20 - Fri, Sep 25

5:00 am - 9:00 pmONT Ontario-ABE Allentown-Bethlehem

13h 00m2 stops Denver Intl Chicago O'Hare Intl

10:32 am - 8:01 pmABE Allentown-Bethlehem-ONT Ontario

12h 29m2 stops Chicago O'Hare Intl San Francisco

$890United Airlines

Sat, Sep 19 - Tue, Sep 22

7:00 am - 4:56 pmONT Ontario-ABE Allentown-Bethlehem

6h 56m1 stop Chicago O'Hare Intl

10:32 am - 8:01 pmABE Allentown-Bethlehem-ONT Ontario

12h 29m2 stops Chicago O'Hare Intl San Francisco

$950United Airlines

Sat, Sep 19 - Tue, Sep 22

6:15 am - 3:38 pmONT Ontario-ABE Allentown-Bethlehem

30h 23m1 stop Denver Intl

7:00 am - 10:30 amABE Allentown-Bethlehem-ONT Ontario

30h 30m1 stop Denver Intl

$968Multiple Airlines

Sun, Sep 20 - Fri, Sep 25

1:18 pm - 4:56 pmONT Ontario-ABE Allentown-Bethlehem

24h 38m2 stops Denver Intl Chicago O'Hare Intl

10:32 am - 10:51 pmABE Allentown-Bethlehem-ONT Ontario

15h 19m2 stops Chicago O'Hare Intl San Francisco

$1,019United Airlines

Fri, Sep 18 - Mon, Sep 21

7:00 am - 4:56 pmONT Ontario-ABE Allentown-Bethlehem

6h 56m1 stop Chicago O'Hare Intl

5:36 pm - 10:59 pmABE Allentown-Bethlehem-ONT Ontario

8h 23m1 stop Chicago O'Hare Intl

$1,063United Airlines

Sun, Sep 20 - Wed, Sep 23

1:56 pm - 9:57 amONT Ontario-ABE Allentown-Bethlehem

17h 01m2 stops San Francisco Chicago O'Hare Intl

5:36 pm - 10:59 pmABE Allentown-Bethlehem-ONT Ontario

8h 23m1 stop Chicago O'Hare Intl

$1,089United Airlines

Fri, Sep 18 - Mon, Sep 21

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Delta flights from Ontario to Allentown

Our best Delta deals on Ontario to Allentown flight tickets

Delta

Oct 20

ONT12:16 pmOntario

7h 03m

1 stop

ABE10:19 pmAllentown-Bethlehem

Oct 28

ABE1:00 pmAllentown-Bethlehem

10h 25m

1 stop

ONT8:25 pmOntario

$297

Delta

Jan 5

ONT12:00 pmOntario

7h 46m

1 stop

ABE10:46 pmAllentown-Bethlehem

Jan 13

ABE6:30 amAllentown-Bethlehem

7h 57m

1 stop

ONT11:27 amOntario

$366

Delta

Dec 2

ONT12:20 pmOntario

7h 07m

1 stop

ABE10:27 pmAllentown-Bethlehem

Dec 5

ABE12:50 pmAllentown-Bethlehem

10h 06m

1 stop

ONT7:56 pmOntario

$389

American Airlines flights from Ontario to Allentown

Our best American Airlines deals on Ontario to Allentown flight tickets

American Airlines

Dec 15

ONT9:29 amOntario

10h 30m

2 stops

ABE10:59 pmAllentown-Bethlehem

Jan 13

ABE6:16 pmAllentown-Bethlehem

8h 03m

1 stop

ONT11:19 pmOntario

$323

American Airlines

Oct 13

ONT10:10 pmOntario

10h 08m

1 stop

ABE11:18 amAllentown-Bethlehem

Oct 16

ABE5:14 pmAllentown-Bethlehem

8h 45m

1 stop

ONT10:59 pmOntario

$381

American Airlines

Oct 13

ONT11:59 pmOntario

13h 36m

2 stops

ABE4:35 pmAllentown-Bethlehem

Oct 16

ABE5:14 pmAllentown-Bethlehem

8h 45m

1 stop

ONT10:59 pmOntario

$449

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioAllentown

ONT Ontario - ABE Allentown-Bethlehem

ONTABE

Ontario

Tue 12/15

5:00 am-9:22 pm

2 stops13h 22m

Allentown-Bethlehem

Wed 1/13

10:10 am-8:26 pm

2 stops13h 16m

$283

OntarioAllentown

ONT Ontario - ABE Allentown-Bethlehem

ONTABE

Ontario

Wed 1/6

7:00 am-5:12 pm

1 stop7h 12m

Allentown-Bethlehem

Tue 1/12

6:30 am-11:27 am

1 stop7h 57m

$297

Quickest round-trip

OntarioAllentown

ONT Ontario - ABE Allentown-Bethlehem

ONTABE

Ontario

Tue 12/15

12:20 pm-10:27 pm

1 stop7h 07m

Allentown-Bethlehem

Wed 1/13

6:30 am-11:27 am

1 stop7h 57m

$297

OntarioAllentown

ONT Ontario - ABE Allentown-Bethlehem

ONTABE

Ontario

Tue 10/20

12:16 pm-10:19 pm

1 stop7h 03m

Allentown-Bethlehem

Wed 10/28

1:00 pm-8:25 pm

1 stop10h 25m

$297

OntarioAllentown

ONT Ontario - ABE Allentown-Bethlehem

ONTABE

Ontario

Tue 12/15

9:29 am-10:59 pm

2 stops10h 30m

Allentown-Bethlehem

Wed 1/13

6:16 pm-11:19 pm

1 stop8h 03m

$323

OntarioAllentown

ONT Ontario - ABE Allentown-Bethlehem

ONTABE

Ontario

Tue 1/5

12:00 pm-10:46 pm

1 stop7h 46m

Allentown-Bethlehem

Wed 1/13

6:30 am-11:27 am

1 stop7h 57m

$366

OntarioAllentown

ONT Ontario - ABE Allentown-Bethlehem

ONTABE

Ontario

Tue 10/13

10:10 pm-11:18 am

1 stop10h 08m

Allentown-Bethlehem

Fri 10/16

5:14 pm-10:59 pm

1 stop8h 45m

$381

OntarioAllentown

ONT Ontario - ABE Allentown-Bethlehem

ONTABE

Ontario

Sat 12/5

7:05 am-5:23 pm

1 stop7h 18m

Allentown-Bethlehem

Mon 12/7

12:50 pm-6:39 pm

1 stop8h 49m

$389

OntarioAllentown

ONT Ontario - ABE Allentown-Bethlehem

ONTABE

Ontario

Wed 12/2

12:20 pm-10:27 pm

1 stop7h 07m

Allentown-Bethlehem

Mon 12/7

12:50 pm-6:39 pm

1 stop8h 49m

$389

OntarioAllentown

ONT Ontario - ABE Allentown-Bethlehem

ONTABE

Ontario

Fri 12/4

12:20 pm-10:27 pm

1 stop7h 07m

Allentown-Bethlehem

Sat 12/5

12:50 pm-7:56 pm

1 stop10h 06m

$389

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 month to fly to Allentown?

The month of May is, on average, the cheapest month to fly to Allentown from Ontario, with most prices found around $0. If you aren’t able to travel to Allentown during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $336.

Can stopping save me money on Ontario to Allentown flights?

You could potentially save up to 79% 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	$121
Fastest flight time	6h 57m
Direct flights	None

The best one-way flight to Allentown from Ontario in the past 72 hours is $121. The best round-trip flight deal from Ontario to Allentown found on momondo in the last 72 hours is $283.

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

Frequently asked questions about flying from Ontario to Allentown

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 September 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 7.8 8,584 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.