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Cheap flights from Allentown to San Diego from $164

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 9/29. 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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Find the cheapest flights from Allentown to San Diego

Cheap round-trip flights

Delta Logo
5:40 pm - 11:11 pmABE-SAN
8h 31m1 stop
Delta Logo
6:20 am - 5:13 pmSAN-ABE
7h 53m1 stop
$356Delta
Find Deal
sáb., feb. 21 - mié., feb. 25
American Airlines Logo
6:00 am - 12:29 pmABE-SAN
9h 29m1 stop
American Airlines Logo
6:15 am - 9:40 pmSAN-ABE
12h 25m2 stops
$361American Airlines
Find Deal
mar., oct. 21 - mié., oct. 29
American Airlines Logo
6:10 am - 2:16 pmABE-SAN
11h 06m2 stops
American Airlines Logo
9:37 am - 10:58 pmSAN-ABE
10h 21m2 stops
$366American Airlines
Find Deal
sáb., dic. 13 - mié., dic. 17
American Airlines Logo
1:48 pm - 7:43 pmABE-SAN
8h 55m1 stop
American Airlines Logo
12:43 pm - 10:58 pmSAN-ABE
7h 15m1 stop
$373American Airlines
Find Deal
vie., dic. 5 - lun., dic. 8
American Airlines Logo
1:48 pm - 7:43 pmABE-SAN
8h 55m1 stop
American Airlines Logo
8:25 am - 10:58 pmSAN-ABE
11h 33m2 stops
$378American Airlines
Find Deal
vie., dic. 5 - lun., dic. 8
Delta Logo
6:00 pm - 11:46 pmABE-SAN
8h 46m1 stop
Delta Logo
11:03 am - 10:11 pmSAN-ABE
8h 08m1 stop
$387Delta
Find Deal
sáb., dic. 13 - mié., dic. 17
United Airlines Logo
10:33 am - 3:43 pmABE-SAN
8h 10m1 stop
United Airlines Logo
7:50 pm - 9:58 amSAN-ABE
11h 08m2 stops
$414United Airlines
Find Deal
sáb., feb. 21 - mié., feb. 25
United Airlines Logo
10:33 am - 11:41 pmABE-SAN
16h 08m2 stops
United Airlines Logo
6:10 pm - 9:58 amSAN-ABE
12h 48m2 stops
$419United Airlines
Find Deal
sáb., feb. 21 - mié., feb. 25
United Airlines Logo
5:28 pm - 10:14 pmABE-SAN
7h 46m1 stop
United Airlines Logo
6:53 am - 9:54 pmSAN-ABE
12h 01m2 stops
$444United Airlines
Find Deal
sáb., oct. 11 - sáb., oct. 18
United Airlines Logo
1:00 pm - 11:42 pmABE-SAN
13h 42m2 stops
United Airlines Logo
8:40 pm - 11:52 amSAN-ABE
12h 12m2 stops
$449United Airlines
Find Deal
sáb., dic. 6 - sáb., dic. 13

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
SAN6:20 amSan Diego
7h 53m
1 stop
ABE5:13 pmAllentown-Bethlehem
$356
Find similar
Delta
Dec 13
ABE6:00 pmAllentown-Bethlehem
8h 46m
1 stop
SAN11:46 pmSan Diego
Dec 17
SAN11:03 amSan Diego
8h 08m
1 stop
ABE10:11 pmAllentown-Bethlehem
$387
Find similar
Delta
Jan 1
ABE6:00 amAllentown-Bethlehem
8h 57m
1 stop
SAN11:57 amSan Diego
Jan 9
SAN6:20 amSan Diego
7h 53m
1 stop
ABE5:13 pmAllentown-Bethlehem
$417
Find similar

American Airlines flights from Allentown to San Diego

Our best American Airlines deals on Allentown to San Diego flight tickets
American Airlines
Oct 21
ABE6:00 amAllentown-Bethlehem
9h 29m
1 stop
SAN12:29 pmSan Diego
Oct 29
SAN6:15 amSan Diego
12h 25m
2 stops
ABE9:40 pmAllentown-Bethlehem
$361
Find similar
American Airlines
Dec 13
ABE6:10 amAllentown-Bethlehem
11h 06m
2 stops
SAN2:16 pmSan Diego
Dec 17
SAN9:37 amSan Diego
10h 21m
2 stops
ABE10:58 pmAllentown-Bethlehem
$366
Find similar
American Airlines
Dec 5
ABE1:48 pmAllentown-Bethlehem
8h 55m
1 stop
SAN7:43 pmSan Diego
Dec 8
SAN12:43 pmSan Diego
7h 15m
1 stop
ABE10:58 pmAllentown-Bethlehem
$373
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 septiembre 17, 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

6:20 am-5:13 pm

1 stop7h 53m

$356

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

mar. 10/21

6:00 am-12:29 pm

1 stop9h 29m

San Diego

mié. 10/29

6:15 am-9:40 pm

2 stops12h 25m

$361

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

sáb. 12/13

6:10 am-2:16 pm

2 stops11h 06m

San Diego

mié. 12/17

9:37 am-10:58 pm

2 stops10h 21m

$366

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

vie. 12/5

1:48 pm-7:43 pm

1 stop8h 55m

San Diego

lun. 12/8

12:43 pm-10:58 pm

1 stop7h 15m

$373

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

vie. 12/5

1:48 pm-7:43 pm

1 stop8h 55m

San Diego

lun. 12/8

8:25 am-10:58 pm

2 stops11h 33m

$378

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

sáb. 12/13

6:00 pm-11:46 pm

1 stop8h 46m

San Diego

mié. 12/17

11:03 am-10:11 pm

1 stop8h 08m

$387

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

sáb. 2/21

10:33 am-3:43 pm

1 stop8h 10m

San Diego

mié. 2/25

7:50 pm-9:58 am

2 stops11h 08m

$414

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

sáb. 2/21

10:33 am-11:41 pm

2 stops16h 08m

San Diego

mié. 2/25

6:10 pm-9:58 am

2 stops12h 48m

$419

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

sáb. 10/11

5:28 pm-10:14 pm

1 stop7h 46m

San Diego

sáb. 10/18

6:53 am-9:54 pm

2 stops12h 01m

$444

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

sáb. 12/6

1:00 pm-11:42 pm

2 stops13h 42m

San Diego

sáb. 12/13

8:40 pm-11:52 am

2 stops12h 12m

$449

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 $408.

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.

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Allentown when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $495 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Allentown for as low as $308 on momondo.

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 46m 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
8,926 reviews
Search United Airlines flights
DeltaPriceFrom $308Free CancellationRating
7.9
7,961 reviews
Search Delta flights
American AirlinesPriceFrom $402Free CancellationRating
7.2
10,000 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
La Mesa
National City
Poway
Imperial Beach
San Ysidro
Borrego Springs
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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