What airlines fly to Allentown?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Allentown from San Antonio according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 5 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 San Antonio to Allentown-Bethlehem?

Delta is the most popular carrier operating from San Antonio to Allentown-Bethlehem

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

Prices for flights from San Antonio Airport to Allentown-Bethlehem Airport are updated daily.

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

There are 3 operators available for flights from San Antonio Airport to Allentown-Bethlehem Airport as of June 2026.

How old do you have to be to fly from San Antonio 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 San Antonio Airport to Allentown-Bethlehem Airport.

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

The necessary travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$302 Cheap Flights from San Antonio to Allentown in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to Allentown

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:43 pm - 10:23 pm

SAT

ABE

6h 40m

1 stop

6:04 pm - 12:28 am

ABE

SAT

7h 24m

1 stop

$371Delta

Tue, Aug 18 - Mon, Aug 24

4:15 pm - 11:08 pm

SAT

ABE

5h 53m

1 stop

6:16 am - 11:10 am

ABE

SAT

5h 54m

1 stop

$373Delta

Mon, Jul 27 - Mon, Aug 3

2:43 pm - 10:23 pm

SAT

ABE

6h 40m

1 stop

6:04 pm - 12:28 am

ABE

SAT

7h 24m

1 stop

$405Delta

Fri, Aug 21 - Mon, Aug 24

7:49 pm - 2:03 pm

SAT

ABE

17h 14m

2 stops

2:54 pm - 6:54 pm

ABE

SAT

29h 00m

1 stop

$417Multiple Airlines

Wed, Aug 5 - Fri, Aug 7

4:26 pm - 2:02 pm

SAT

ABE

20h 36m

1 stop

8:00 am - 10:50 am

ABE

SAT

27h 50m

2 stops

$434Multiple Airlines

Sat, Aug 1 - Thu, Aug 6

7:55 am - 5:23 pm

SAT

ABE

8h 28m

1 stop

6:09 pm - 10:43 pm

ABE

SAT

5h 34m

1 stop

$435Delta

Tue, Aug 4 - Sat, Aug 8

7:39 pm - 2:02 pm

SAT

ABE

17h 23m

2 stops

2:54 pm - 6:54 pm

ABE

SAT

29h 00m

1 stop

$439Multiple Airlines

Sat, Aug 1 - Fri, Aug 7

5:00 am - 4:27 pm

SAT

ABE

10h 27m

2 stops

9:36 am - 5:55 pm

ABE

SAT

9h 19m

1 stop

$446American Airlines

Wed, Aug 12 - Wed, Aug 19

4:15 pm - 11:08 pm

SAT

ABE

5h 53m

1 stop

6:30 am - 1:38 pm

ABE

SAT

8h 08m

1 stop

$447Delta

Thu, Jul 9 - Sat, Jul 11

1:00 pm - 9:00 pm

SAT

ABE

7h 00m

1 stop

6:15 am - 11:52 am

ABE

SAT

6h 37m

1 stop

$449United Airlines

Tue, Aug 25 - Sat, Aug 29

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United Airlines flights from San Antonio to Allentown

Our best United Airlines deals on San Antonio to Allentown flight tickets

United Airlines

Aug 25

SAT1:00 pmSan Antonio

7h 00m

1 stop

ABE9:00 pmAllentown-Bethlehem

Aug 29

ABE6:15 amAllentown-Bethlehem

6h 37m

1 stop

SAT11:52 amSan Antonio

$449

United Airlines

Aug 25

SAT1:00 pmSan Antonio

7h 00m

1 stop

ABE9:00 pmAllentown-Bethlehem

Aug 29

ABE6:15 amAllentown-Bethlehem

10h 28m

2 stops

SAT3:43 pmSan Antonio

$454

United Airlines

Aug 25

SAT9:30 amSan Antonio

10h 30m

2 stops

ABE9:00 pmAllentown-Bethlehem

Aug 29

ABE6:15 amAllentown-Bethlehem

10h 28m

2 stops

SAT3:43 pmSan Antonio

$459

Delta flights from San Antonio to Allentown

Our best Delta deals on San Antonio to Allentown flight tickets

Delta

Aug 18

SAT2:43 pmSan Antonio

6h 40m

1 stop

ABE10:23 pmAllentown-Bethlehem

Aug 24

ABE6:04 pmAllentown-Bethlehem

7h 24m

1 stop

SAT12:28 amSan Antonio

$371

Delta

Jul 27

SAT4:15 pmSan Antonio

5h 53m

1 stop

ABE11:08 pmAllentown-Bethlehem

Aug 3

ABE6:16 amAllentown-Bethlehem

5h 54m

1 stop

SAT11:10 amSan Antonio

$373

Delta

Aug 21

SAT2:43 pmSan Antonio

6h 40m

1 stop

ABE10:23 pmAllentown-Bethlehem

Aug 24

ABE6:04 pmAllentown-Bethlehem

7h 24m

1 stop

SAT12:28 amSan Antonio

$405

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioAllentown

SAT - ABE

SATABE

San Antonio

Tue 8/18

2:43 pm-10:23 pm

1 stop6h 40m

Allentown-Bethlehem

Mon 8/24

6:04 pm-12:28 am

1 stop7h 24m

$371

Quickest round-trip

San AntonioAllentown

SAT - ABE

SATABE

San Antonio

Mon 7/27

4:15 pm-11:08 pm

1 stop5h 53m

Allentown-Bethlehem

Mon 8/3

6:16 am-11:10 am

1 stop5h 54m

$373

San AntonioAllentown

SAT - ABE

SATABE

San Antonio

Fri 8/21

2:43 pm-10:23 pm

1 stop6h 40m

Allentown-Bethlehem

Mon 8/24

6:04 pm-12:28 am

1 stop7h 24m

$405

San AntonioAllentown

SAT - ABE

SATABE

San Antonio

Wed 8/5

7:49 pm-2:03 pm

2 stops17h 14m

Allentown-Bethlehem

Fri 8/7

2:54 pm-6:54 pm

1 stop29h 00m

$417

San AntonioAllentown

SAT - ABE

SATABE

San Antonio

Sat 8/1

4:26 pm-2:02 pm

1 stop20h 36m

Allentown-Bethlehem

Thu 8/6

8:00 am-10:50 am

2 stops27h 50m

$434

San AntonioAllentown

SAT - ABE

SATABE

San Antonio

Tue 8/4

7:55 am-5:23 pm

1 stop8h 28m

Allentown-Bethlehem

Sat 8/8

6:09 pm-10:43 pm

1 stop5h 34m

$435

San AntonioAllentown

SAT - ABE

SATABE

San Antonio

Sat 8/1

7:39 pm-2:02 pm

2 stops17h 23m

Allentown-Bethlehem

Fri 8/7

2:54 pm-6:54 pm

1 stop29h 00m

$439

San AntonioAllentown

SAT - ABE

SATABE

San Antonio

Wed 8/12

5:00 am-4:27 pm

2 stops10h 27m

Allentown-Bethlehem

Wed 8/19

9:36 am-5:55 pm

1 stop9h 19m

$446

San AntonioAllentown

SAT - ABE

SATABE

San Antonio

Thu 7/9

4:15 pm-11:08 pm

1 stop5h 53m

Allentown-Bethlehem

Sat 7/11

6:30 am-1:38 pm

1 stop8h 08m

$447

San AntonioAllentown

SAT - ABE

SATABE

San Antonio

Tue 8/25

1:00 pm-9:00 pm

1 stop7h 00m

Allentown-Bethlehem

Sat 8/29

6:15 am-11:52 am

1 stop6h 37m

$449

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Antonio 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 December is, on average, the cheapest month to fly to Allentown from San Antonio, with most prices found around $0. If you aren’t able to travel to Allentown during the month of December, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $309.

When to book flights from San Antonio to Allentown

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

Estimated round-trip price

Cheap San Antonio to Allentown (SAT to ABE) flight deals and tips

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

Fastest flight time	5h 37m
Direct flights	None

The fastest flight from San Antonio to Allentown takes 5h 37m

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

Search flight deals

Frequently asked questions about flying from San Antonio to Allentown

How far is San Antonio to Allentown-Bethlehem by plane?
The straight-line distance from San Antonio to Allentown-Bethlehem is 1506.7 mi. 5h 37m is a normal flight duration for this route.
When did momondo last update prices for flights from San Antonio Airport to Allentown-Bethlehem Airport?
Prices for flights from San Antonio Airport to Allentown-Bethlehem Airport are updated daily.
How many operators does momondo search for flights from San Antonio Airport to Allentown-Bethlehem Airport?
There are 3 operators available for flights from San Antonio Airport to Allentown-Bethlehem Airport as of June 2026.
How old do you have to be to fly from San Antonio 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 San Antonio Airport to Allentown-Bethlehem Airport.
What documentation or ID do you need to fly to Allentown-Bethlehem Airport?
The necessary travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from San Antonio to Allentown?
Based on momondo bookings for this flight route, the most popular airline on flight routes from San Antonio to Allentown is Delta (53% of total bookings). The next most popular airlines are American Airlines (27%) and United Airlines (19%).

Best airlines flying from San Antonio to Allentown

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $288	Free Cancellation	Rating 7.8 8,451 reviews	Search Delta flights
American Airlines	PriceFrom $296	Free Cancellation	Rating 7.1 11,779 reviews	Search American Airlines flights
United Airlines	PriceFrom $348	Free Cancellation	Rating 7.4 9,896 reviews	Search United Airlines flights

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Why use momondo?

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

It is quick and easy to find San Antonio 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 San Antonio to Allentown with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for San Antonio to Allentown flights to just show those with flexible booking policies.

How can momondo help me find flights from San Antonio to Allentown?

Once you have performed a search for San Antonio to Allentown flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from San Antonio to Allentown now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Allentown and let you know when they change.