What is the cheapest airline that flies from San Diego to Allentown-Bethlehem?

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

What airlines fly to Allentown?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Allentown from San Diego according to our data. United 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.

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 April 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.

$204 Cheap Flights from San Diego to Allentown in 2026

Q: What is the typical price of a round-trip flight between San Diego and Allentown?

Prices are currently low for flights on this route. Typical prices usually range from $516 to $456. The lowest price recently found on this route was $389.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Diego to Allentown

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:55 am - 10:56 pm

SAN

ABE

9h 01m

1 stop

5:40 pm - 10:44 pm

ABE

SAN

8h 04m

1 stop

$389Delta

Wed, Sep 2 - Mon, Sep 7

10:59 am - 12:21 am

SAN

ABE

10h 22m

2 stops

5:06 pm - 11:48 pm

ABE

SAN

9h 42m

1 stop

$436American Airlines

Sat, Jun 6 - Wed, Jun 17

10:55 am - 10:56 pm

SAN

ABE

9h 01m

1 stop

5:40 pm - 10:44 pm

ABE

SAN

8h 04m

1 stop

$442Delta

Wed, Sep 2 - Mon, Sep 7

11:02 am - 11:00 pm

SAN

ABE

8h 58m

1 stop

12:59 pm - 7:23 pm

ABE

SAN

9h 24m

1 stop

$449Delta

Tue, May 5 - Sat, May 9

1:19 pm - 11:47 pm

SAN

ABE

7h 28m

1 stop

5:06 pm - 11:48 pm

ABE

SAN

9h 42m

1 stop

$451American Airlines

Sat, Jun 6 - Wed, Jun 17

7:00 am - 5:00 pm

SAN

ABE

7h 00m

1 stop

2:15 pm - 11:59 pm

ABE

SAN

12h 44m

2 stops

$454United Airlines

Tue, May 5 - Sat, May 9

6:15 am - 5:28 pm

SAN

ABE

8h 13m

1 stop

6:23 am - 11:16 am

ABE

SAN

7h 53m

1 stop

$477Delta

Sat, May 30 - Tue, Jun 2

6:15 am - 5:28 pm

SAN

ABE

8h 13m

1 stop

6:15 pm - 11:27 pm

ABE

SAN

8h 12m

1 stop

$488Delta

Tue, May 12 - Tue, May 19

10:40 pm - 10:03 am

SAN

ABE

8h 23m

1 stop

5:36 pm - 10:34 pm

ABE

SAN

7h 58m

1 stop

$499United Airlines

Sat, May 30 - Tue, Jun 2

10:40 pm - 10:03 am

SAN

ABE

8h 23m

1 stop

2:23 pm - 11:54 pm

ABE

SAN

12h 31m

2 stops

$504United Airlines

Sat, May 30 - Tue, Jun 2

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Delta flights from San Diego to Allentown

Our best Delta deals on San Diego to Allentown flight tickets

Delta

Sep 2

SAN10:55 amSan Diego

9h 01m

1 stop

ABE10:56 pmAllentown-Bethlehem

Sep 7

ABE5:40 pmAllentown-Bethlehem

8h 04m

1 stop

SAN10:44 pmSan Diego

$389

Delta

Sep 2

SAN10:55 amSan Diego

9h 01m

1 stop

ABE10:56 pmAllentown-Bethlehem

Sep 7

ABE5:40 pmAllentown-Bethlehem

8h 04m

1 stop

SAN10:44 pmSan Diego

$442

Delta

May 5

SAN11:02 amSan Diego

8h 58m

1 stop

ABE11:00 pmAllentown-Bethlehem

May 9

ABE12:59 pmAllentown-Bethlehem

9h 24m

1 stop

SAN7:23 pmSan Diego

$449

American Airlines flights from San Diego to Allentown

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

American Airlines

Jun 6

SAN10:59 amSan Diego

10h 22m

2 stops

ABE12:21 amAllentown-Bethlehem

Jun 17

ABE5:06 pmAllentown-Bethlehem

9h 42m

1 stop

SAN11:48 pmSan Diego

$436

American Airlines

Jun 6

SAN1:19 pmSan Diego

7h 28m

1 stop

ABE11:47 pmAllentown-Bethlehem

Jun 17

ABE5:06 pmAllentown-Bethlehem

9h 42m

1 stop

SAN11:48 pmSan Diego

$451

American Airlines

Jun 11

SAN1:23 pmSan Diego

7h 58m

1 stop

ABE12:21 amAllentown-Bethlehem

Jun 20

ABE4:55 pmAllentown-Bethlehem

9h 53m

1 stop

SAN11:48 pmSan Diego

$508

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Wed 9/2

10:55 am-10:56 pm

1 stop9h 01m

Allentown-Bethlehem

Mon 9/7

5:40 pm-10:44 pm

1 stop8h 04m

$389

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 6/6

10:59 am-12:21 am

2 stops10h 22m

Allentown-Bethlehem

Wed 6/17

5:06 pm-11:48 pm

1 stop9h 42m

$436

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Wed 9/2

10:55 am-10:56 pm

1 stop9h 01m

Allentown-Bethlehem

Mon 9/7

5:40 pm-10:44 pm

1 stop8h 04m

$442

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Tue 5/5

11:02 am-11:00 pm

1 stop8h 58m

Allentown-Bethlehem

Sat 5/9

12:59 pm-7:23 pm

1 stop9h 24m

$449

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 6/6

1:19 pm-11:47 pm

1 stop7h 28m

Allentown-Bethlehem

Wed 6/17

5:06 pm-11:48 pm

1 stop9h 42m

$451

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Tue 5/5

7:00 am-5:00 pm

1 stop7h 00m

Allentown-Bethlehem

Sat 5/9

2:15 pm-11:59 pm

2 stops12h 44m

$454

Quickest round-trip

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 5/30

6:15 am-5:28 pm

1 stop8h 13m

Allentown-Bethlehem

Tue 6/2

6:23 am-11:16 am

1 stop7h 53m

$477

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Tue 5/12

6:15 am-5:28 pm

1 stop8h 13m

Allentown-Bethlehem

Tue 5/19

6:15 pm-11:27 pm

1 stop8h 12m

$488

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 5/30

10:40 pm-10:03 am

1 stop8h 23m

Allentown-Bethlehem

Tue 6/2

5:36 pm-10:34 pm

1 stop7h 58m

$499

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 5/30

10:40 pm-10:03 am

1 stop8h 23m

Allentown-Bethlehem

Tue 6/2

2:23 pm-11:54 pm

2 stops12h 31m

$504

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

What is the typical price of a round-trip flight between San Diego and Allentown?

Can stopping save me money on San Diego to Allentown flights?

You could potentially save up to 13% 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	8h 13m
Direct flights	None

The fastest flight from San Diego to Allentown takes 8h 13m

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

Search flight deals

Frequently asked questions about flying from San Diego to Allentown

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 8h 13m.
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 April 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 59% of the total bookings. Other popular airlines include Delta with 41%.

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 8,450 reviews		Search Delta flights
American Airlines	PriceFrom $310	Free Cancellation	Rating 7.1 11,666 reviews		Search American Airlines flights

Lehighton

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.