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$219+ Cheap flights from Allentown to San Diego (ABE - SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SAN
dic. 13 — dic. 201
sáb. 12/13
sáb. 12/20
1 adult, Economy
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Find flight deals from Allentown to San Diego

Cheapest flights from Allentown to San Diego
Explore the most affordable flight options available from Allentown to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 13, 2025.

This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/1512:56 pmABE - SAN
1 stop10h 17mDelta
sáb. 12/66:15 amSAN - ABE
1 stop7h 59mDelta
Deal found 11/11$345
This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/126:00 pmABE - SAN
1 stop8h 35mDelta
dom. 12/146:15 amSAN - ABE
1 stop7h 59mDelta
Deal found 11/12$349
This United Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/95:22 pmABE - SAN
1 stop8h 08mUnited Airlines
jue. 12/118:40 pmSAN - ABE
2 stops12h 12mUnited Airlines
Deal found 11/11$364
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/1512:56 pmABE - SAN
1 stop8h 24mDelta
mar. 12/96:15 amSAN - ABE
1 stop7h 59mDelta
Deal found 11/11$370
This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/206:04 pmABE - SAN
1 stop8h 24mDelta
jue. 12/2511:25 amSAN - ABE
1 stop8h 21mDelta
Deal found 11/12$384
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/146:00 pmABE - SAN
1 stop8h 43mDelta
mié. 12/36:15 amSAN - ABE
1 stop7h 23mDelta
Deal found 11/11$389
This United Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/175:22 pmABE - SAN
1 stop7h 58mUnited Airlines
sáb. 12/66:30 amSAN - ABE
2 stops12h 16mUnited Airlines
Deal found 11/11$394
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/146:00 pmABE - SAN
1 stop8h 43mDelta
mar. 12/96:15 amSAN - ABE
1 stop7h 59mDelta
Deal found 11/11$414
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/1512:56 pmABE - SAN
1 stop8h 24mDelta
vie. 12/59:59 amSAN - ABE
2 stops23h 15mDelta
Deal found 11/11$424
This American Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/127:31 amABE - SAN
2 stops11h 17mAmerican Airlines
dom. 12/1412:04 pmSAN - ABE
1 stop8h 02mAmerican Airlines
Deal found 11/12$430
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/206:00 pmABE - SAN
1 stop8h 43mDelta
sáb. 12/611:05 amSAN - ABE
1 stop8h 06mDelta
Deal found 11/11$444

Cheap flight deals from Allentown to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$309
(Delta)

One-way from

$219
(American Airlines)

Popular in

November

Cheapest in

March

Average price

$979
Provider with most accurate pricing for Allentown-Bethlehem-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Allentown-Bethlehem-San Diego flights.
Search Deals
From Allentown-Bethlehem to San Diego
Search Deals
One-way flight from Allentown-Bethlehem to San Diego
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($208 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated noviembre 13, 2025.
Use the filters below to find and compare flights from Allentown to San Diego that are best for you.

Fly from

Allentown

Fly to

San Diego

Route

Depart

Return

Price

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

$309

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

mar. 12/9

5:22 pm-10:30 pm

1 stop8h 08m

San Diego

jue. 12/11

8:40 pm-11:52 am

2 stops12h 12m

$364

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

sáb. 12/20

6:04 pm-11:28 pm

1 stop8h 24m

San Diego

jue. 12/25

11:25 am-10:46 pm

1 stop8h 21m

$384

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

sáb. 3/28

10:33 am-7:48 pm

2 stops12h 15m

San Diego

mar. 4/7

10:25 pm-10:08 am

1 stop8h 43m

$394

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

mar. 3/17

10:33 am-3:39 pm

1 stop8h 06m

San Diego

lun. 3/30

10:25 pm-10:08 am

1 stop8h 43m

$409

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

vie. 12/19

11:52 am-6:56 pm

1 stop10h 04m

$219

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

vie. 12/19

1:34 pm-12:11 pm

3 stops49h 37m

$274

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

mar. 12/23

6:04 pm-11:28 pm

1 stop8h 24m

$340

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

mar. 12/2

5:22 pm-9:40 am

1 stop19h 18m

$390

AllentownSan Diego

ABE - SAN

ABESAN

Allentown-Bethlehem

mar. 12/2

6:00 pm-11:35 pm

1 stop8h 35m

$450

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 12 results
1
2

Compare providers for flights from Allentown to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Allentown to San Diego in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Allentown-San Diego flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Allentown-San Diego flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Allentown-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Allentown-San Diego flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Allentown-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Allentown to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Allentown with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Allentown to San Diego

What is the cheapest month to book a flight from Allentown to San Diego?

Currently, June is the cheapest month in which you can book a flight from Allentown to San Diego (average of $109). Flying from Allentown to San Diego in November is currently the most expensive (average of $237). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ABE to SAN?

Find hourly flight availability from Allentown to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 13, 2025.

It’s typically best to fly out from Allentown to San Diego in the evening. Doing so could potentially save you 69% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated noviembre 13, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Allentown to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Crew

8.5

Overall

7.9

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Overall

7.9

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,017 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Overall

7.9

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
11,051 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Overall

7.9

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Allentown to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Allentown to San Diego?

    There are many flights that can get you from Allentown to San Diego in 10h 54m. Fly via Delta to get the fastest option. The distance from Allentown to San Diego is about 2353 mi.

  • What are the cheapest airlines flying from Allentown to San Diego round-trip?

    United Airlines, at $283, was found to be the cheapest airline from Allentown to San Diego.Alternate airlines to your destination round-trip include Delta and American Airlines. United Airlines is 45% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Allentown to San Diego one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $219. Users have also found prices from $340 and $390 on Delta and United Airlines, respectively.

  • Can I find deals for flights from Allentown to San Diego that include hotel bookings?

    Yes. In addition to deals on Allentown to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Allentown to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to San Diego.

  • Can I find deals for business class flights from Allentown to San Diego?

    Yes. Cheapflights offers flight deals from Allentown to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Allentown to San Diego?

    Currently, June is the cheapest month in which you can book a flight from Allentown to San Diego (average of $109). Flying from Allentown to San Diego in November is currently the most expensive (average of $237). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
National City

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Top 3 airlines flying from Allentown to San Diego

Discover the top 3 airlines that operate flights from Allentown to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$283Average$404FlexibilityNo cancel feeOn-time69%
DeltaCheapest$308Average$501FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$350Average$523FlexibilityNo cancel feeOn-time71%

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