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

Charlotte (CLT) has the shortest average layover time for this route: 0h 52m.

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

American Airlines, Delta, and United Airlines are the most popular carriers operating from San Diego to Allentown-Bethlehem

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

Flights via Charlotte (CLT) offer the lowest average round-trip price of $675.

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

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

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 47% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 7 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.

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

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 7h 18m.

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 3 as of November 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.

$239 Cheap Flights from San Diego to Allentown in 2026/27

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Find the cheapest flights from San Diego to Allentown

Round-trip

One-way

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Cheap round-trip flights

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7:41 pm - 9:28 amSAN San Diego-ABE Allentown-Bethlehem

10h 47m2 stops San Francisco Chicago O'Hare Intl

5:32 pm - 10:33 pmABE Allentown-Bethlehem-SAN San Diego

8h 01m1 stop Chicago O'Hare Intl

$424United Airlines

Wed, Dec 2 - Mon, Dec 7

7:41 pm - 9:51 amSAN San Diego-ABE Allentown-Bethlehem

11h 10m2 stops San Francisco Chicago O'Hare Intl

5:32 pm - 10:33 pmABE Allentown-Bethlehem-SAN San Diego

8h 01m1 stop Chicago O'Hare Intl

$424United Airlines

Tue, Dec 1 - Mon, Dec 7

6:20 am - 5:15 pmSAN San Diego-ABE Allentown-Bethlehem

7h 55m1 stop Atlanta Hartsfield-Jackson

5:58 pm - 11:38 pmABE Allentown-Bethlehem-SAN San Diego

8h 40m1 stop Atlanta Hartsfield-Jackson

$429Delta

Sat, Dec 5 - Thu, Dec 10

6:20 am - 5:13 pmSAN San Diego-ABE Allentown-Bethlehem

7h 53m1 stop Atlanta Hartsfield-Jackson

5:58 pm - 11:38 pmABE Allentown-Bethlehem-SAN San Diego

8h 40m1 stop Atlanta Hartsfield-Jackson

$429Delta

Wed, Dec 2 - Mon, Dec 7

6:15 am - 10:27 pmSAN San Diego-ABE Allentown-Bethlehem

13h 12m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

5:58 pm - 11:38 pmABE Allentown-Bethlehem-SAN San Diego

8h 40m1 stop Atlanta Hartsfield-Jackson

$434Delta

Sat, Dec 5 - Thu, Dec 10

10:30 am - 8:51 pmSAN San Diego-ABE Allentown-Bethlehem

7h 21m1 stop Chicago O'Hare Intl

6:00 am - 11:21 amABE Allentown-Bethlehem-SAN San Diego

8h 21m1 stop Chicago O'Hare Intl

$559United Airlines

Wed, Jan 6 - Sat, Jan 9

10:30 am - 9:22 pmSAN San Diego-ABE Allentown-Bethlehem

7h 52m1 stop Chicago O'Hare Intl

5:32 pm - 10:33 pmABE Allentown-Bethlehem-SAN San Diego

8h 01m1 stop Chicago O'Hare Intl

$559United Airlines

Wed, Dec 9 - Sat, Dec 12

12:04 pm - 10:48 pmSAN San Diego-ABE Allentown-Bethlehem

7h 44m1 stop Charlotte Douglas

7:48 am - 1:09 pmABE Allentown-Bethlehem-SAN San Diego

8h 21m1 stop Chicago O'Hare Intl

$563American Airlines

Thu, Feb 11 - Tue, Feb 16

10:35 pm - 11:19 amSAN San Diego-ABE Allentown-Bethlehem

9h 44m1 stop Charlotte Douglas

6:12 am - 1:26 pmABE Allentown-Bethlehem-SAN San Diego

10h 14m1 stop Charlotte Douglas

$633American Airlines

Wed, Nov 25 - Fri, Nov 27

9:30 am - 10:33 pmSAN San Diego-ABE Allentown-Bethlehem

10h 03m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

7:48 am - 1:09 pmABE Allentown-Bethlehem-SAN San Diego

8h 21m1 stop Chicago O'Hare Intl

$650American Airlines

Thu, Feb 11 - Tue, Feb 16

Cheap last minute flights

Enter your travel dates to find the best prices.

6:20 am - 5:15 pmSAN San Diego-ABE Allentown-Bethlehem

7h 55m1 stop Atlanta Hartsfield-Jackson

6:00 pm - 11:32 pmABE Allentown-Bethlehem-SAN San Diego

8h 32m1 stop Atlanta Hartsfield-Jackson

$609Delta

Thu, Nov 12 - Mon, Nov 16

6:15 am - 10:27 pmSAN San Diego-ABE Allentown-Bethlehem

13h 12m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

6:00 pm - 11:32 pmABE Allentown-Bethlehem-SAN San Diego

8h 32m1 stop Atlanta Hartsfield-Jackson

$614Delta

Thu, Nov 12 - Mon, Nov 16

6:20 am - 5:15 pmSAN San Diego-ABE Allentown-Bethlehem

7h 55m1 stop Atlanta Hartsfield-Jackson

6:00 pm - 11:32 pmABE Allentown-Bethlehem-SAN San Diego

8h 32m1 stop Atlanta Hartsfield-Jackson

$647Delta

Thu, Nov 12 - Mon, Nov 16

10:10 pm - 12:04 pmSAN San Diego-ABE Allentown-Bethlehem

10h 54m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

6:00 pm - 11:32 pmABE Allentown-Bethlehem-SAN San Diego

8h 32m1 stop Atlanta Hartsfield-Jackson

$652Delta

Thu, Nov 12 - Mon, Nov 16

9:26 am - 10:59 pmSAN San Diego-ABE Allentown-Bethlehem

10h 33m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

6:15 pm - 11:54 pmABE Allentown-Bethlehem-SAN San Diego

8h 39m1 stop Chicago O'Hare Intl

$737American Airlines

Thu, Nov 12 - Mon, Nov 16

11:08 am - 12:19 amSAN San Diego-ABE Allentown-Bethlehem

10h 11m2 stops Dallas/Fort Worth Charlotte Douglas

12:55 pm - 9:50 pmABE Allentown-Bethlehem-SAN San Diego

11h 55m2 stops Charlotte Douglas Dallas/Fort Worth

$789American Airlines

Thu, Nov 12 - Mon, Nov 16

6:45 am - 9:02 pmSAN San Diego-ABE Allentown-Bethlehem

11h 17m2 stops Denver Intl Chicago O'Hare Intl

5:36 pm - 10:59 amABE Allentown-Bethlehem-SAN San Diego

20h 23m3 stops Chicago O'Hare Intl Tampa Houston George Bush Intcntl

$917United Airlines

Thu, Nov 12 - Mon, Nov 16

10:40 am - 9:02 pmSAN San Diego-ABE Allentown-Bethlehem

7h 22m1 stop Chicago O'Hare Intl

5:36 pm - 10:59 amABE Allentown-Bethlehem-SAN San Diego

20h 23m3 stops Chicago O'Hare Intl Tampa Houston George Bush Intcntl

$949United Airlines

Thu, Nov 12 - Mon, Nov 16

6:45 am - 9:02 pmSAN San Diego-ABE Allentown-Bethlehem

11h 17m2 stops Denver Intl Chicago O'Hare Intl

5:36 pm - 10:59 amABE Allentown-Bethlehem-SAN San Diego

20h 23m3 stops Chicago O'Hare Intl Tampa Houston George Bush Intcntl

$955United Airlines

Thu, Nov 12 - Mon, Nov 16

6:45 am - 9:02 pmSAN San Diego-ABE Allentown-Bethlehem

11h 17m2 stops Denver Intl Chicago O'Hare Intl

5:36 pm - 10:12 amABE Allentown-Bethlehem-SAN San Diego

19h 36m2 stops Chicago O'Hare Intl San Francisco

$986United Airlines

Thu, Nov 12 - Mon, Nov 16

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United Airlines flights from San Diego to Allentown

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

United Airlines

Dec 2

SAN7:41 pmSan Diego

10h 47m

2 stops

ABE9:28 amAllentown-Bethlehem

Dec 5

ABE6:00 amAllentown-Bethlehem

11h 55m

2 stops

SAN2:55 pmSan Diego

$439

United Airlines

Nov 18

SAN6:50 amSan Diego

7h 06m

1 stop

ABE4:56 pmAllentown-Bethlehem

Nov 21

ABE5:36 pmAllentown-Bethlehem

8h 04m

1 stop

SAN10:40 pmSan Diego

$545

United Airlines

Nov 18

SAN6:20 amSan Diego

11h 42m

2 stops

ABE9:02 pmAllentown-Bethlehem

Nov 21

ABE5:36 pmAllentown-Bethlehem

8h 04m

1 stop

SAN10:40 pmSan Diego

$550

Delta flights from San Diego to Allentown

Our best Delta deals on San Diego to Allentown flight tickets

Delta

Dec 5

SAN6:20 amSan Diego

7h 55m

1 stop

ABE5:15 pmAllentown-Bethlehem

Dec 10

ABE5:58 pmAllentown-Bethlehem

8h 40m

1 stop

SAN11:38 pmSan Diego

$429

Delta

Dec 2

SAN6:20 amSan Diego

7h 53m

1 stop

ABE5:13 pmAllentown-Bethlehem

Dec 5

ABE6:39 amAllentown-Bethlehem

11h 52m

2 stops

SAN3:31 pmSan Diego

$434

Delta

Dec 2

SAN6:20 amSan Diego

7h 53m

1 stop

ABE5:13 pmAllentown-Bethlehem

Dec 5

ABE6:39 amAllentown-Bethlehem

8h 15m

1 stop

SAN11:54 amSan Diego

$504

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoAllentown

SAN San Diego - ABE Allentown-Bethlehem

SANABE

San Diego

Wed 12/2

7:41 pm-9:28 am

2 stops10h 47m

Allentown-Bethlehem

Mon 12/7

5:32 pm-10:33 pm

1 stop8h 01m

$424

San DiegoAllentown

SAN San Diego - ABE Allentown-Bethlehem

SANABE

San Diego

Tue 12/1

7:41 pm-9:51 am

2 stops11h 10m

Allentown-Bethlehem

Mon 12/7

5:32 pm-10:33 pm

1 stop8h 01m

$424

San DiegoAllentown

SAN San Diego - ABE Allentown-Bethlehem

SANABE

San Diego

Sat 12/5

6:20 am-5:15 pm

1 stop7h 55m

Allentown-Bethlehem

Thu 12/10

5:58 pm-11:38 pm

1 stop8h 40m

$429

San DiegoAllentown

SAN San Diego - ABE Allentown-Bethlehem

SANABE

San Diego

Wed 12/2

6:20 am-5:13 pm

1 stop7h 53m

Allentown-Bethlehem

Mon 12/7

5:58 pm-11:38 pm

1 stop8h 40m

$429

San DiegoAllentown

SAN San Diego - ABE Allentown-Bethlehem

SANABE

San Diego

Sat 12/5

6:15 am-10:27 pm

2 stops13h 12m

Allentown-Bethlehem

Thu 12/10

5:58 pm-11:38 pm

1 stop8h 40m

$434

Quickest round-trip

San DiegoAllentown

SAN San Diego - ABE Allentown-Bethlehem

SANABE

San Diego

Wed 1/6

10:30 am-8:51 pm

1 stop7h 21m

Allentown-Bethlehem

Sat 1/9

6:00 am-11:21 am

1 stop8h 21m

$559

San DiegoAllentown

SAN San Diego - ABE Allentown-Bethlehem

SANABE

San Diego

Wed 12/9

10:30 am-9:22 pm

1 stop7h 52m

Allentown-Bethlehem

Sat 12/12

5:32 pm-10:33 pm

1 stop8h 01m

$559

San DiegoAllentown

SAN San Diego - ABE Allentown-Bethlehem

SANABE

San Diego

Thu 2/11

12:04 pm-10:48 pm

1 stop7h 44m

Allentown-Bethlehem

Tue 2/16

7:48 am-1:09 pm

1 stop8h 21m

$563

San DiegoAllentown

SAN San Diego - ABE Allentown-Bethlehem

SANABE

San Diego

Wed 11/25

10:35 pm-11:19 am

1 stop9h 44m

Allentown-Bethlehem

Fri 11/27

6:12 am-1:26 pm

1 stop10h 14m

$633

San DiegoAllentown

SAN San Diego - ABE Allentown-Bethlehem

SANABE

San Diego

Thu 2/11

9:30 am-10:33 pm

2 stops10h 03m

Allentown-Bethlehem

Tue 2/16

7:48 am-1:09 pm

1 stop8h 21m

$650

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 cheapest month to fly to Allentown?

The month of August 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 August, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $0.

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

You could potentially save up to 8% on your flight if you consider stops on a San Diego to Allentown flight.

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

Best Price Found	$239
Fastest flight time	7h 21m
Direct flights	None

The best one-way flight to Allentown from San Diego in the past 72 hours is $239. The best round-trip flight deal from San Diego to Allentown found on momondo in the last 72 hours is $424.

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 3 as of November 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 46% of the total bookings. Other popular airlines include United Airlines with 33% and Delta with 20%.

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
United Airlines	PriceFrom $344	Free Cancellation	Rating 7.3 10,475 reviews	Search United Airlines flights
Delta	PriceFrom $388	Free Cancellation	Rating 7.8 8,700 reviews	Search Delta flights
American Airlines	PriceFrom $472	Free Cancellation	Rating 7.0 12,225 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.