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Cheap flights from Allentown to San Diego 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 Allentown to San Diego departing on 12/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:40 pm - 11:11 pmABE-SAN
8h 31m1 stop
Delta Logo
11:00 am - 10:52 pmSAN-ABE
8h 52m1 stop
$297Delta
Find Deal
sáb., feb. 21 - mié., feb. 25
Delta Logo
12:47 pm - 8:41 pmABE-SAN
10h 54m1 stop
Delta Logo
11:05 am - 10:47 pmSAN-ABE
8h 42m1 stop
$343Delta
Find Deal
sáb., feb. 21 - mié., feb. 25
American Airlines Logo
12:01 pm - 8:27 pmABE-SAN
11h 26m2 stops
American Airlines Logo
1:12 pm - 11:25 pmSAN-ABE
7h 13m1 stop
$348American Airlines
Find Deal
sáb., feb. 21 - mié., feb. 25
Delta Logo
5:58 pm - 9:57 amABE-SAN
18h 59m2 stops
Delta Logo
11:05 am - 10:47 pmSAN-ABE
8h 42m1 stop
$376Delta
Find Deal
sáb., feb. 21 - mié., feb. 25
United Airlines Logo
6:33 am - 2:49 pmABE-SAN
11h 16m2 stops
United Airlines Logo
6:10 pm - 9:58 amSAN-ABE
12h 48m2 stops
$379United Airlines
Find Deal
sáb., feb. 21 - mié., feb. 25
Delta Logo
5:40 pm - 11:11 pmABE-SAN
8h 31m1 stop
Delta Logo
6:15 am - 10:52 pmSAN-ABE
13h 37m2 stops
$382Delta
Find Deal
sáb., feb. 21 - mié., feb. 25
Delta Logo
5:58 pm - 9:57 amABE-SAN
18h 59m2 stops
Delta Logo
11:05 am - 10:47 pmSAN-ABE
8h 42m1 stop
$399Delta
Find Deal
sáb., feb. 21 - mié., feb. 25
American Airlines Logo
6:10 am - 1:45 pmABE-SAN
10h 35m1 stop
American Airlines Logo
12:43 pm - 10:58 pmSAN-ABE
7h 15m1 stop
$437American Airlines
Find Deal
jue., dic. 11 - lun., dic. 15
United Airlines Logo
6:33 am - 11:38 amABE-SAN
8h 05m1 stop
United Airlines Logo
6:10 pm - 9:59 amSAN-ABE
12h 49m2 stops
$472United Airlines
Find Deal
mié., feb. 18 - mié., mar. 4
Multiple Airlines Logo
7:15 am - 4:44 pmABE-SAN
36h 29m3 stops
Multiple Airlines Logo
5:44 pm - 8:36 pmSAN-ABE
23h 52m2 stops
$754Multiple Airlines
Find Deal
mar., dic. 23 - lun., dic. 29

Delta flights from Allentown to San Diego

Our best Delta deals on Allentown to San Diego flight tickets
Delta
Feb 21
ABE5:40 pmAllentown-Bethlehem
8h 31m
1 stop
SAN11:11 pmSan Diego
Feb 25
SAN11:00 amSan Diego
8h 52m
1 stop
ABE10:52 pmAllentown-Bethlehem
$297
Find similar
Delta
Feb 21
ABE12:47 pmAllentown-Bethlehem
10h 54m
1 stop
SAN8:41 pmSan Diego
Feb 25
SAN11:05 amSan Diego
8h 42m
1 stop
ABE10:47 pmAllentown-Bethlehem
$343
Find similar
Delta
Feb 21
ABE5:58 pmAllentown-Bethlehem
18h 59m
2 stops
SAN9:57 amSan Diego
Feb 25
SAN11:05 amSan Diego
8h 42m
1 stop
ABE10:47 pmAllentown-Bethlehem
$376
Find similar

American Airlines flights from Allentown to San Diego

Our best American Airlines deals on Allentown to San Diego flight tickets
American Airlines
Feb 21
ABE12:01 pmAllentown-Bethlehem
11h 26m
2 stops
SAN8:27 pmSan Diego
Feb 25
SAN1:12 pmSan Diego
7h 13m
1 stop
ABE11:25 pmAllentown-Bethlehem
$348
Find similar
American Airlines
Dec 11
ABE6:10 amAllentown-Bethlehem
10h 35m
1 stop
SAN1:45 pmSan Diego
Dec 15
SAN12:43 pmSan Diego
7h 15m
1 stop
ABE10:58 pmAllentown-Bethlehem
$437
Find similar
American Airlines
Feb 21
ABE12:01 pmAllentown-Bethlehem
10h 19m
1 stop
SAN7:20 pmSan Diego
Feb 25
SAN12:08 pmSan Diego
8h 17m
1 stop
ABE11:25 pmAllentown-Bethlehem
$443
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Allentown to San Diego 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 noviembre 3, 2025.
Use the filters below to find and compare flights from Allentown to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

sáb. 2/21

5:40 pm-11:11 pm

1 stop8h 31m

San Diego

mié. 2/25

11:00 am-10:52 pm

1 stop8h 52m

$297

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

sáb. 2/21

12:47 pm-8:41 pm

1 stop10h 54m

San Diego

mié. 2/25

11:05 am-10:47 pm

1 stop8h 42m

$343

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

sáb. 2/21

12:01 pm-8:27 pm

2 stops11h 26m

San Diego

mié. 2/25

1:12 pm-11:25 pm

1 stop7h 13m

$348

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

sáb. 2/21

5:58 pm-9:57 am

2 stops18h 59m

San Diego

mié. 2/25

11:05 am-10:47 pm

1 stop8h 42m

$376

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

sáb. 2/21

6:33 am-2:49 pm

2 stops11h 16m

San Diego

mié. 2/25

6:10 pm-9:58 am

2 stops12h 48m

$379

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

sáb. 2/21

5:40 pm-11:11 pm

1 stop8h 31m

San Diego

mié. 2/25

6:15 am-10:52 pm

2 stops13h 37m

$382

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

sáb. 2/21

5:58 pm-9:57 am

2 stops18h 59m

San Diego

mié. 2/25

11:05 am-10:47 pm

1 stop8h 42m

$399

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

jue. 12/11

6:10 am-1:45 pm

1 stop10h 35m

San Diego

lun. 12/15

12:43 pm-10:58 pm

1 stop7h 15m

$437

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

mié. 2/18

6:33 am-11:38 am

1 stop8h 05m

San Diego

mié. 3/4

6:10 pm-9:59 am

2 stops12h 49m

$472

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

mar. 12/23

7:15 am-4:44 pm

3 stops36h 29m

San Diego

lun. 12/29

5:44 pm-8:36 pm

2 stops23h 52m

$754

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 San Diego from

How to get the cheapest flight ticket from Allentown to San Diego

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 month to fly to San Diego?

If you are unable to visit San Diego during the month of March, then departing from Allentown during the month September is also very affordable. Most momondo users find prices during this month for around $406.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Allentown to San Diego is on a Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $402. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $516. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

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

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $396. Flights at noon are often more expensive with an average ticket price of $693.

When to book flights from Allentown to San Diego

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

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

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

Direct flights

None
There are no direct flights from Allentown to San Diego. There are no popular flight routes from Allentown to San Diego.
Search flight deals

  • How far is Allentown-Bethlehem to San Diego by plane?

    A flight from Allentown-Bethlehem to San Diego will travel around 2349.4 mi. 7h 58m is a normal flight duration for this route.

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

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

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

  • How old do you have to be to fly from Allentown-Bethlehem Airport to San Diego Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Allentown-Bethlehem Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Allentown to San Diego?

Best airlines flying from Allentown to San Diego

Compare and see reviews for airlines that fly from Allentown to San Diego with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $283Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights
DeltaPriceFrom $308Free CancellationRating
7.9
8,002 reviews
Search Delta flights
American AirlinesPriceFrom $361Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
National City
Imperial Beach
La Mesa
Poway
Borrego Springs
San Ysidro
Lemon Grove
Alpine
Santee

Why use momondo?

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

It is quick and easy to find Allentown to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

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

Yes. momondo allows you to filter the results for Allentown to San Diego flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Diego from Allentown.

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

Of course. momondo tracks the price of Allentown to San Diego flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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