What airlines fly to Allentown?

American Airlines, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Allentown from San Diego according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 9 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 Diego to Allentown-Bethlehem?

United Airlines is the most popular carrier operating from San Diego to Allentown-Bethlehem

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

Prices for flights from San Diego Airport to Allentown-Bethlehem Airport refresh daily.

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

The number of operators available for flights from San Diego Airport to Allentown-Bethlehem Airport is 2 as of March 2026.

How old do you have to be to fly from San Diego 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 Diego 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.

$240 Cheap Flights from San Diego to Allentown in 2026

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Find the cheapest flights from San Diego to Allentown

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 4:19 pm

SAN

ABE

7h 04m

1 stop

5:06 pm - 11:39 pm

ABE

SAN

9h 33m

1 stop

$431American Airlines

Sat, May 30 - Tue, Jun 2

10:40 pm - 9:38 am

SAN

ABE

7h 58m

1 stop

2:23 pm - 11:54 pm

ABE

SAN

12h 31m

2 stops

$435United Airlines

Fri, May 22 - Tue, May 26

6:15 am - 4:19 pm

SAN

ABE

7h 04m

1 stop

5:06 pm - 11:39 pm

ABE

SAN

9h 33m

1 stop

$451American Airlines

Sat, May 30 - Tue, Jun 2

10:40 pm - 9:38 am

SAN

ABE

7h 58m

1 stop

2:23 pm - 11:54 pm

ABE

SAN

12h 31m

2 stops

$453United Airlines

Thu, May 28 - Mon, Jun 1

7:00 am - 5:00 pm

SAN

ABE

7h 00m

1 stop

2:25 pm - 10:37 pm

ABE

SAN

11h 12m

2 stops

$454United Airlines

Sat, May 2 - Tue, May 5

6:26 pm - 9:48 am

SAN

ABE

12h 22m

2 stops

2:25 pm - 10:37 pm

ABE

SAN

11h 12m

2 stops

$459United Airlines

Sat, May 2 - Tue, May 5

10:40 pm - 9:38 am

SAN

ABE

7h 58m

1 stop

2:23 pm - 11:54 pm

ABE

SAN

12h 31m

2 stops

$474United Airlines

Sat, May 30 - Tue, Jun 2

8:32 pm - 9:38 am

SAN

ABE

10h 06m

2 stops

2:23 pm - 11:54 pm

ABE

SAN

12h 31m

2 stops

$479United Airlines

Sat, May 30 - Tue, Jun 2

10:40 pm - 9:38 am

SAN

ABE

7h 58m

1 stop

5:36 pm - 10:34 pm

ABE

SAN

7h 58m

1 stop

$493United Airlines

Fri, May 22 - Tue, May 26

10:40 pm - 9:48 am

SAN

ABE

8h 08m

1 stop

2:25 pm - 10:39 pm

ABE

SAN

11h 14m

1 stop

$507United Airlines

Sat, May 2 - Tue, May 5

American Airlines flights from San Diego to Allentown

Our best American Airlines deals on San Diego to Allentown flight tickets

American Airlines

May 30

SAN6:15 amSan Diego

7h 04m

1 stop

ABE4:19 pmAllentown-Bethlehem

Jun 2

ABE5:06 pmAllentown-Bethlehem

9h 33m

1 stop

SAN11:39 pmSan Diego

$431

American Airlines

May 30

SAN6:15 amSan Diego

7h 04m

1 stop

ABE4:19 pmAllentown-Bethlehem

Jun 2

ABE5:06 pmAllentown-Bethlehem

9h 33m

1 stop

SAN11:39 pmSan Diego

$451

American Airlines

May 28

SAN1:21 pmSan Diego

8h 00m

1 stop

ABE12:21 amAllentown-Bethlehem

Jun 1

ABE5:06 pmAllentown-Bethlehem

9h 33m

1 stop

SAN11:39 pmSan Diego

$515

United Airlines flights from San Diego to Allentown

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

United Airlines

May 22

SAN10:40 pmSan Diego

7h 58m

1 stop

ABE9:38 amAllentown-Bethlehem

May 26

ABE2:23 pmAllentown-Bethlehem

12h 31m

2 stops

SAN11:54 pmSan Diego

$435

United Airlines

May 28

SAN10:40 pmSan Diego

7h 58m

1 stop

ABE9:38 amAllentown-Bethlehem

Jun 1

ABE2:23 pmAllentown-Bethlehem

12h 31m

2 stops

SAN11:54 pmSan Diego

$453

United Airlines

May 2

SAN7:00 amSan Diego

7h 00m

1 stop

ABE5:00 pmAllentown-Bethlehem

May 5

ABE2:25 pmAllentown-Bethlehem

11h 12m

2 stops

SAN10:37 pmSan Diego

$454

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 5/30

6:15 am-4:19 pm

1 stop7h 04m

Allentown-Bethlehem

Tue 6/2

5:06 pm-11:39 pm

1 stop9h 33m

$431

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Fri 5/22

10:40 pm-9:38 am

1 stop7h 58m

Allentown-Bethlehem

Tue 5/26

2:23 pm-11:54 pm

2 stops12h 31m

$435

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 5/30

6:15 am-4:19 pm

1 stop7h 04m

Allentown-Bethlehem

Tue 6/2

5:06 pm-11:39 pm

1 stop9h 33m

$451

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Thu 5/28

10:40 pm-9:38 am

1 stop7h 58m

Allentown-Bethlehem

Mon 6/1

2:23 pm-11:54 pm

2 stops12h 31m

$453

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 5/2

7:00 am-5:00 pm

1 stop7h 00m

Allentown-Bethlehem

Tue 5/5

2:25 pm-10:37 pm

2 stops11h 12m

$454

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 5/2

6:26 pm-9:48 am

2 stops12h 22m

Allentown-Bethlehem

Tue 5/5

2:25 pm-10:37 pm

2 stops11h 12m

$459

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 5/30

10:40 pm-9:38 am

1 stop7h 58m

Allentown-Bethlehem

Tue 6/2

2:23 pm-11:54 pm

2 stops12h 31m

$474

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 5/30

8:32 pm-9:38 am

2 stops10h 06m

Allentown-Bethlehem

Tue 6/2

2:23 pm-11:54 pm

2 stops12h 31m

$479

Quickest round-trip

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Fri 5/22

10:40 pm-9:38 am

1 stop7h 58m

Allentown-Bethlehem

Tue 5/26

5:36 pm-10:34 pm

1 stop7h 58m

$493

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 5/2

10:40 pm-9:48 am

1 stop8h 08m

Allentown-Bethlehem

Tue 5/5

2:25 pm-10:39 pm

1 stop11h 14m

$507

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 San Diego 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 San Diego to Allentown flights?

You could potentially save up to 28% on your flight if you consider stops on a San Diego to Allentown flight.

How have San Diego to Allentown flight prices changed over time?

When to book flights from San Diego to Allentown

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

Estimated round-trip price

Cheap San Diego to Allentown (SAN to ABE) flight deals and tips

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

Fastest flight time	7h 58m
Direct flights	None

The fastest flight from San Diego to Allentown takes 7h 58m

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

Search flight deals

How far is San Diego to Allentown-Bethlehem by plane?
Allentown-Bethlehem is 2349.4 mi away from San Diego. A reasonable flight in good conditions will take 7h 58m.
When did momondo last update prices for flights from San Diego Airport to Allentown-Bethlehem Airport?
Prices for flights from San Diego Airport to Allentown-Bethlehem Airport refresh daily.
How many operators does momondo search for flights from San Diego Airport to Allentown-Bethlehem Airport?
The number of operators available for flights from San Diego Airport to Allentown-Bethlehem Airport is 2 as of March 2026.
How old do you have to be to fly from San Diego 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 Diego 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 Diego to Allentown?
Based on momondo bookings for flights between San Diego and Allentown, the leading airline is American Airlines, making up 53% of the total bookings. Other popular airlines include Delta with 47%.

Best airlines flying from San Diego to Allentown

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $308	Free Cancellation	Rating 7.9 8,287 reviews		Search Delta flights
American Airlines	PriceFrom $310	Free Cancellation	Rating 7.1 11,448 reviews		Search American Airlines flights

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Allentown from San Diego.

Can I find flights from San Diego to Allentown with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Allentown from San Diego with this policy.

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

Once all potential San Diego to Allentown flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Allentown from San Diego. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.