Which layover airport has the shortest travel time from San Diego to Allentown?

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 7h 21m.

Which layover airport has the shortest connection time from San Diego to Allentown?

Chicago (ORD) has the shortest average layover time for this route: 0h 53m.

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 46% 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.

Which layover airport offers the lowest fares from San Diego to Allentown?

Flights via Charlotte (CLT) offer the lowest average round-trip price of $581.

Which airport is the most popular layover for flights between San Diego and Allentown?

Charlotte (CLT) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

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 June 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.

$365 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 $518 to $472. The lowest price recently found on this route was $374.

Discover deals from 900+ travel sites with momondo.

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 - 10:23 pm

SAN

ABE

13h 08m

2 stops

6:09 pm - 11:00 pm

ABE

SAN

7h 51m

1 stop

$374Delta

Fri, Aug 7 - Fri, Aug 14

10:30 pm - 5:12 pm

SAN

ABE

15h 42m

2 stops

1:00 pm - 11:55 pm

ABE

SAN

13h 55m

2 stops

$379Delta

Thu, Nov 12 - Mon, Nov 16

6:15 am - 10:23 pm

SAN

ABE

13h 08m

2 stops

6:09 pm - 11:00 pm

ABE

SAN

7h 51m

1 stop

$405Delta

Fri, Aug 7 - Wed, Aug 12

6:15 am - 10:23 pm

SAN

ABE

13h 08m

2 stops

6:09 pm - 11:00 pm

ABE

SAN

7h 51m

1 stop

$439Delta

Tue, Aug 4 - Tue, Aug 11

6:15 am - 5:23 pm

SAN

ABE

8h 08m

1 stop

6:09 pm - 11:00 pm

ABE

SAN

7h 51m

1 stop

$458Delta

Wed, Aug 5 - Thu, Aug 13

6:15 am - 10:23 pm

SAN

ABE

13h 08m

2 stops

6:09 pm - 11:00 pm

ABE

SAN

7h 51m

1 stop

$463Delta

Fri, Aug 7 - Sat, Aug 15

6:15 am - 10:23 pm

SAN

ABE

13h 08m

2 stops

6:09 pm - 11:00 pm

ABE

SAN

7h 51m

1 stop

$470Delta

Tue, Aug 4 - Wed, Aug 12

10:25 pm - 9:58 am

SAN

ABE

8h 33m

1 stop

5:41 pm - 10:34 pm

ABE

SAN

7h 53m

1 stop

$479United Airlines

Sat, Aug 1 - Sat, Aug 8

10:25 pm - 9:58 am

SAN

ABE

8h 33m

1 stop

5:41 pm - 10:34 pm

ABE

SAN

7h 53m

1 stop

$483United Airlines

Thu, Jul 9 - Tue, Jul 14

8:42 pm - 9:58 am

SAN

ABE

10h 16m

2 stops

5:41 pm - 10:34 pm

ABE

SAN

7h 53m

1 stop

$484United Airlines

Sat, Aug 1 - Sat, Aug 8

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Delta flights from San Diego to Allentown

Our best Delta deals on San Diego to Allentown flight tickets

Delta

Aug 7

SAN6:15 amSan Diego

13h 08m

2 stops

ABE10:23 pmAllentown-Bethlehem

Aug 14

ABE6:09 pmAllentown-Bethlehem

7h 51m

1 stop

SAN11:00 pmSan Diego

$374

Delta

Nov 12

SAN10:30 pmSan Diego

15h 42m

2 stops

ABE5:12 pmAllentown-Bethlehem

Nov 16

ABE1:00 pmAllentown-Bethlehem

13h 55m

2 stops

SAN11:55 pmSan Diego

$379

Delta

Aug 7

SAN6:15 amSan Diego

13h 08m

2 stops

ABE10:23 pmAllentown-Bethlehem

Aug 12

ABE6:09 pmAllentown-Bethlehem

7h 51m

1 stop

SAN11:00 pmSan Diego

$405

United Airlines flights from San Diego to Allentown

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

United Airlines

Nov 12

SAN10:30 pmSan Diego

8h 36m

1 stop

ABE10:06 amAllentown-Bethlehem

Nov 16

ABE5:36 pmAllentown-Bethlehem

7h 21m

1 stop

SAN9:57 pmSan Diego

$433

United Airlines

Aug 1

SAN10:25 pmSan Diego

8h 33m

1 stop

ABE9:58 amAllentown-Bethlehem

Aug 8

ABE5:41 pmAllentown-Bethlehem

7h 53m

1 stop

SAN10:34 pmSan Diego

$479

United Airlines

Jul 9

SAN10:25 pmSan Diego

8h 33m

1 stop

ABE9:58 amAllentown-Bethlehem

Jul 14

ABE5:41 pmAllentown-Bethlehem

7h 53m

1 stop

SAN10:34 pmSan Diego

$483

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Fri 8/7

6:15 am-10:23 pm

2 stops13h 08m

Allentown-Bethlehem

Fri 8/14

6:09 pm-11:00 pm

1 stop7h 51m

$374

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Thu 11/12

10:30 pm-5:12 pm

2 stops15h 42m

Allentown-Bethlehem

Mon 11/16

1:00 pm-11:55 pm

2 stops13h 55m

$379

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Fri 8/7

6:15 am-10:23 pm

2 stops13h 08m

Allentown-Bethlehem

Wed 8/12

6:09 pm-11:00 pm

1 stop7h 51m

$405

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Tue 8/4

6:15 am-10:23 pm

2 stops13h 08m

Allentown-Bethlehem

Tue 8/11

6:09 pm-11:00 pm

1 stop7h 51m

$439

Quickest round-trip

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Wed 8/5

6:15 am-5:23 pm

1 stop8h 08m

Allentown-Bethlehem

Thu 8/13

6:09 pm-11:00 pm

1 stop7h 51m

$458

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Fri 8/7

6:15 am-10:23 pm

2 stops13h 08m

Allentown-Bethlehem

Sat 8/15

6:09 pm-11:00 pm

1 stop7h 51m

$463

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Tue 8/4

6:15 am-10:23 pm

2 stops13h 08m

Allentown-Bethlehem

Wed 8/12

6:09 pm-11:00 pm

1 stop7h 51m

$470

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 8/1

10:25 pm-9:58 am

1 stop8h 33m

Allentown-Bethlehem

Sat 8/8

5:41 pm-10:34 pm

1 stop7h 53m

$479

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Thu 7/9

10:25 pm-9:58 am

1 stop8h 33m

Allentown-Bethlehem

Tue 7/14

5:41 pm-10:34 pm

1 stop7h 53m

$483

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 8/1

8:42 pm-9:58 am

2 stops10h 16m

Allentown-Bethlehem

Sat 8/8

5:41 pm-10:34 pm

1 stop7h 53m

$484

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

Layovers

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

What is the cheapest month to fly to Allentown?

The month of February is, on average, the cheapest month to fly to Allentown from San Diego, with most prices found around $0. If you aren’t able to travel to Allentown during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $353.

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

You could potentially save up to 19% 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 21m
Direct flights	None

The fastest flight from San Diego to Allentown takes 7h 21m

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 7h 21m.
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 June 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 58% of the total bookings. Other popular airlines include Delta with 42%.

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 8,403 reviews		Search Delta flights
American Airlines	PriceFrom $310	Free Cancellation	Rating 7.1 11,654 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.