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Cheap flights from San Diego to Allentown from $149

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Allentown departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Diego to Allentown

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:37 pm - 10:41 am
SAN
-
ABE
11h 04m2 stops
United Airlines Logo
6:15 am - 11:48 am
ABE
-
SAN
8h 33m1 stop
$402United Airlines
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
8:37 pm - 10:41 am
SAN
-
ABE
11h 04m2 stops
United Airlines Logo
11:30 am - 8:42 pm
ABE
-
SAN
12h 12m2 stops
$407United Airlines
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
10:52 am - 9:05 pm
SAN
-
ABE
7h 13m1 stop
United Airlines Logo
6:15 am - 11:48 am
ABE
-
SAN
8h 33m1 stop
$428United Airlines
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
10:52 am - 9:05 pm
SAN
-
ABE
7h 13m1 stop
United Airlines Logo
6:15 am - 11:48 am
ABE
-
SAN
8h 33m1 stop
$518United Airlines
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
10:52 am - 9:05 pm
SAN
-
ABE
7h 13m1 stop
United Airlines Logo
6:15 am - 11:48 am
ABE
-
SAN
8h 33m1 stop
$522United Airlines
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
10:52 am - 9:05 pm
SAN
-
ABE
7h 13m1 stop
United Airlines Logo
11:30 am - 8:42 pm
ABE
-
SAN
12h 12m2 stops
$523United Airlines
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
10:52 am - 9:05 pm
SAN
-
ABE
7h 13m1 stop
United Airlines Logo
11:30 am - 8:49 pm
ABE
-
SAN
12h 19m2 stops
$527United Airlines
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
6:15 am - 9:05 pm
SAN
-
ABE
11h 50m2 stops
United Airlines Logo
11:30 am - 11:05 pm
ABE
-
SAN
14h 35m2 stops
$528United Airlines
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
6:15 am - 9:05 pm
SAN
-
ABE
11h 50m2 stops
United Airlines Logo
11:30 am - 11:42 pm
ABE
-
SAN
15h 12m2 stops
$532United Airlines
Sat, Jan 17 - Wed, Jan 21
United Airlines Logo
6:15 am - 9:05 pm
SAN
-
ABE
11h 50m2 stops
United Airlines Logo
6:15 am - 12:49 pm
ABE
-
SAN
33h 34m3 stops
$586United Airlines
Sat, Jan 17 - Wed, Jan 21

United Airlines flights from San Diego to Allentown

Our best United Airlines deals on San Diego to Allentown flight tickets
United Airlines
Jan 17
SAN8:37 pmSan Diego
11h 04m
2 stops
ABE10:41 amAllentown-Bethlehem
Jan 21
ABE6:15 amAllentown-Bethlehem
8h 33m
1 stop
SAN11:48 amSan Diego
$402
Find similar
United Airlines
Jan 17
SAN8:37 pmSan Diego
11h 04m
2 stops
ABE10:41 amAllentown-Bethlehem
Jan 21
ABE11:30 amAllentown-Bethlehem
12h 12m
2 stops
SAN8:42 pmSan Diego
$407
Find similar
United Airlines
Jan 17
SAN10:52 amSan Diego
7h 13m
1 stop
ABE9:05 pmAllentown-Bethlehem
Jan 21
ABE6:15 amAllentown-Bethlehem
8h 33m
1 stop
SAN11:48 amSan Diego
$428
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Allentown that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from San Diego to Allentown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 1/17

8:37 pm-10:41 am

2 stops11h 04m

Allentown-Bethlehem

Wed 1/21

6:15 am-11:48 am

1 stop8h 33m

$402

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 1/17

8:37 pm-10:41 am

2 stops11h 04m

Allentown-Bethlehem

Wed 1/21

11:30 am-8:42 pm

2 stops12h 12m

$407

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 1/17

10:52 am-9:05 pm

1 stop7h 13m

Allentown-Bethlehem

Wed 1/21

6:15 am-11:48 am

1 stop8h 33m

$428

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 1/17

10:52 am-9:05 pm

1 stop7h 13m

Allentown-Bethlehem

Wed 1/21

6:15 am-11:48 am

1 stop8h 33m

$518

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 1/17

10:52 am-9:05 pm

1 stop7h 13m

Allentown-Bethlehem

Wed 1/21

6:15 am-11:48 am

1 stop8h 33m

$522

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 1/17

10:52 am-9:05 pm

1 stop7h 13m

Allentown-Bethlehem

Wed 1/21

11:30 am-8:42 pm

2 stops12h 12m

$523

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 1/17

10:52 am-9:05 pm

1 stop7h 13m

Allentown-Bethlehem

Wed 1/21

11:30 am-8:49 pm

2 stops12h 19m

$527

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 1/17

6:15 am-9:05 pm

2 stops11h 50m

Allentown-Bethlehem

Wed 1/21

11:30 am-11:05 pm

2 stops14h 35m

$528

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 1/17

6:15 am-9:05 pm

2 stops11h 50m

Allentown-Bethlehem

Wed 1/21

11:30 am-11:42 pm

2 stops15h 12m

$532

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 1/17

6:15 am-9:05 pm

2 stops11h 50m

Allentown-Bethlehem

Wed 1/21

6:15 am-12:49 pm

3 stops33h 34m

$586

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Allentown from

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

What is the cheapest day to depart on your flight to Allentown?

The cheapest day to depart from San Diego to Allentown is on a Thursday when prices can be found for as low as $419. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Allentown on Saturday is $558.

What is the cheapest time of day to depart on your flight to Allentown?

In the evening is the cheapest time of day to fly from San Diego to Allentown when you can find flight prices for as low as $434. Flying to Allentown in the evening is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $546.

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

You could potentially save up to 9% 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

Fastest flight time

7h 13m

Direct flights

None
The fastest flight from San Diego to Allentown takes 7h 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

  • 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 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?

  • 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?

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
DeltaPriceFrom $308Free CancellationRating
7.9
8,011 reviews
Search Delta flights
American AirlinesPriceFrom $310Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights

Traveling to a place near Allentown?

Book flights to Allentown if you plan to visit one of these locations
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.

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