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Allentown

$229+ Cheap flights from San Diego to Allentown (SAN - ABE)

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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — ABE
dic. 26 — ene. 21
vie. 12/26
vie. 1/2
1 adult, Economy
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Find flight deals from San Diego to Allentown

Cheapest flights from San Diego to Allentown
Explore the most affordable flight options available from San Diego to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 26, 2025.

This Delta deal was found by Cheapflights users on 11/24. 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.
mié. 12/311:05 amSAN - ABE
1 stop8h 06mDelta
dom. 12/76:00 pmABE - SAN
1 stop8h 35mDelta
Deal found 11/24$450
This United Airlines deal was found by Cheapflights users on 11/25. 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.
dom. 12/216:55 pmSAN - ABE
2 stops18h 35mUnited Airlines
mar. 12/235:07 pmABE - SAN
1 stop8h 44mUnited Airlines
Deal found 11/25$661
This United Airlines deal was found by Cheapflights users on 11/25. 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. 12/2210:56 amSAN - ABE
1 stop7h 51mUnited Airlines
mar. 12/235:07 pmABE - SAN
1 stop8h 44mUnited Airlines
Deal found 11/25$701
This Delta deal was found by Cheapflights users on 11/24. 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. 12/186:15 amSAN - ABE
1 stop7h 59mDelta
dom. 12/216:04 pmABE - SAN
1 stop8h 24mDelta
Deal found 11/24$718
This United Airlines deal was found by Cheapflights users on 11/24. 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.
jue. 12/183:00 pmSAN - ABE
2 stops19h 55mUnited Airlines
dom. 12/216:17 amABE - SAN
1 stop8h 13mUnited Airlines
Deal found 11/24$732
This American Airlines deal was found by Cheapflights users on 11/24. 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.
mar. 12/2310:01 pmSAN - ABE
1 stop15h 32mAmerican Airlines
mar. 12/306:04 amABE - SAN
1 stop15h 52mAmerican Airlines
Deal found 11/24$797
This American Airlines deal was found by Cheapflights users on 11/24. 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.
mié. 11/2612:01 pmSAN - ABE
1 stop7h 52mAmerican Airlines
lun. 12/12:00 pmABE - SAN
1 stop10h 00mAmerican Airlines
Deal found 11/24$902

Cheap flight deals from San Diego to Allentown

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Allentown (ABE). 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 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$297
(Delta)

One-way from

$229
(Delta)

Popular in

November

Cheapest in

October

Average price

$630
Provider with most accurate pricing for San Diego-Allentown-Bethlehem flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Allentown-Bethlehem flights.
Search Deals
From San Diego to Allentown-Bethlehem
Search Deals
One-way flight from San Diego to Allentown-Bethlehem
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 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 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, Cheapflights users made 2,558,603 searches. Data last updated noviembre 26, 2025.
Use the filters below to find and compare flights from San Diego to Allentown that are best for you.

Fly from

San Diego

Fly to

Allentown

Route

Depart

Return

Price

San DiegoAllentown

SAN - ABE

SANABE

San Diego

sáb. 1/31

6:30 am-5:14 pm

1 stop7h 44m

Allentown-Bethlehem

mié. 2/4

12:48 pm-8:37 pm

1 stop10h 49m

$297

San DiegoAllentown

SAN - ABE

SANABE

San Diego

sáb. 1/24

7:52 pm-10:41 am

2 stops11h 49m

Allentown-Bethlehem

sáb. 1/31

6:15 am-11:48 am

1 stop8h 33m

$314

San DiegoAllentown

SAN - ABE

SANABE

San Diego

sáb. 1/31

7:10 am-10:26 pm

2 stops12h 16m

Allentown-Bethlehem

mié. 2/4

1:02 pm-10:26 pm

2 stops12h 24m

$391

San DiegoAllentown

SAN - ABE

SANABE

San Diego

sáb. 1/31

6:00 pm-10:41 am

2 stops13h 41m

Allentown-Bethlehem

mié. 2/4

11:30 am-8:49 pm

2 stops12h 19m

$391

San DiegoAllentown

SAN - ABE

SANABE

San Diego

mié. 12/3

11:05 am-10:11 pm

1 stop8h 06m

Allentown-Bethlehem

dom. 12/7

6:00 pm-11:35 pm

1 stop8h 35m

$450

San DiegoAllentown

SAN - ABE

SANABE

San Diego

jue. 12/25

11:25 am-10:46 pm

1 stop8h 21m

$229

San DiegoAllentown

SAN - ABE

SANABE

San Diego

jue. 12/4

6:15 am-5:14 pm

1 stop7h 59m

$301

San DiegoAllentown

SAN - ABE

SANABE

San Diego

mié. 12/24

11:25 am-10:46 pm

1 stop8h 21m

$340

San DiegoAllentown

SAN - ABE

SANABE

San Diego

jue. 12/25

6:30 am-9:47 pm

2 stops12h 17m

$375

San DiegoAllentown

SAN - ABE

SANABE

San Diego

mié. 12/24

4:10 pm-4:30 pm

2 stops21h 20m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 11 results
1
2

Compare providers for flights from San Diego to Allentown

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 San Diego to Allentown 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 San Diego-Allentown flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Allentown flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Allentown flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Allentown 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 San Diego-Allentown 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 San Diego to Allentown

Have a flexible travel schedule? Discover the best time to fly to Allentown from San Diego 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 San Diego to Allentown

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

Currently, June is the cheapest month in which you can book a flight from San Diego to Allentown (average of $78). Flying from San Diego to Allentown in January is currently the most expensive (average of $194). 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.

How much does it cost to fly round-trip from San Diego to Allentown?

Reviews of airlines servicing Allentown

Get insights into the airlines that provide service to Allentown. 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 Allentown. Reviews last updated noviembre 26, 2025.
Read reviews from past customers who have flown Delta and American Airlines from San Diego to Allentown. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,999 reviews

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
7.9
Good
7,999 reviews
Delta
7.9
Good
7,999 reviews

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
11,038 reviews
Delta
7.9
Good
7,999 reviews

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from San Diego to Allentown. 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 San Diego to Allentown?

    Airlines like Delta and United Airlines fly from San Diego to Allentown in about 7h 44m. The time it takes to get you to your destination can typically vary by up to 4h 05m. Airlines will cover a distance of 2353 mi. This flight may include one or multiple stops.

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

    Flying on Delta is currently your cheapest option to Allentown, with prices starting at $308. Another option worth looking into is American Airlines, starting at $310 round trip. Users have found that Delta is 35% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego to Allentown 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 San Diego to Allentown?

    Currently, June is the cheapest month in which you can book a flight from San Diego to Allentown (average of $78). Flying from San Diego to Allentown in January is currently the most expensive (average of $194). 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

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Top 2 airlines flying from San Diego to Allentown

Discover the top 2 airlines that operate flights from San Diego to Allentown. 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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$308Average$418FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$310Average$539FlexibilityNo cancel feeOn-time71%

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