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$149+ Cheap flights from San Jose, CA to Allentown (SJC - 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — ABE
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from San Jose to Allentown

Cheapest flights from San Jose to Allentown
Explore the most affordable flight options available from San Jose to Allentown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/306:35 amSJC - ABE
1 stop7h 49mDelta
Tue 1/136:28 amABE - SJC
1 stop9h 28mDelta
Deal found 12/16$519
This Delta deal was found by Cheapflights users on 12/16. 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.
Sat 12/276:35 amSJC - ABE
1 stop7h 49mDelta
Sun 1/116:28 amABE - SJC
1 stop9h 28mDelta
Deal found 12/16$639
This Delta deal was found by Cheapflights users on 12/16. 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.
Sun 12/286:35 amSJC - ABE
1 stop7h 49mDelta
Sun 1/116:28 amABE - SJC
1 stop9h 28mDelta
Deal found 12/16$749
This Delta deal was found by Cheapflights users on 12/15. 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.
Fri 12/196:35 amSJC - ABE
1 stop7h 39mDelta
Wed 12/242:00 pmABE - SJC
1 stop8h 08mDelta
Deal found 12/15$1,038
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 12/279:00 amSJC - ABE
2 stops9h 47mUnited Airlines
Sat 1/36:17 amABE - SJC
1 stop19h 17mUnited Airlines
Deal found 12/16$1,156
This Delta deal was found by Cheapflights users on 12/15. 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.
Wed 12/249:50 amSJC - ABE
2 stops9h 56mDelta
Thu 1/12:00 pmABE - SJC
2 stops11h 36mDelta
Deal found 12/15$1,198
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Thu 12/1810:30 pmSJC - ABE
1 stop12h 25mUnited Airlines
Tue 12/306:17 amABE - SJC
1 stop19h 17mUnited Airlines
Deal found 12/16$1,476
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sun 12/2110:30 pmSJC - ABE
1 stop12h 25mUnited Airlines
Sat 12/276:17 amABE - SJC
1 stop19h 17mUnited Airlines
Deal found 12/16$1,641
This Delta deal was found by Cheapflights users on 12/16. 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.
Fri 12/266:35 amSJC - ABE
1 stop7h 49mDelta
Fri 1/212:49 pmABE - SJC
1 stop9h 47mDelta
Deal found 12/16$2,801

Find flight deals from San Jose to Allentown

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) 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 December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$361
(United Airlines)

One-way from

$149
(Delta)

Popular in

November

Cheapest in

February

Average price

$474
Provider with most accurate pricing for San Jose-Allentown-Bethlehem flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Jose-Allentown-Bethlehem flights.
Search Deals
From San Jose to Allentown-Bethlehem
Search Deals
One-way flight from San Jose to Allentown-Bethlehem
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose 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 December 16, 2025.
Use the filters below to find and compare flights from San Jose to Allentown that are best for you.

Fly from

San Jose

Fly to

Allentown

Route

Depart

Return

Price

San JoseAllentown

SJC - ABE

SJCABE

San Jose

Sat 1/24

8:40 am-9:05 pm

2 stops9h 25m

Allentown-Bethlehem

Wed 1/28

11:30 am-8:56 pm

2 stops12h 26m

$361

San JoseAllentown

SJC - ABE

SJCABE

San Jose

Tue 12/30

6:35 am-5:24 pm

1 stop7h 49m

Allentown-Bethlehem

Tue 1/13

6:28 am-12:56 pm

1 stop9h 28m

$519

San JoseAllentown

SJC - ABE

SJCABE

San Jose

Sat 12/27

6:35 am-5:24 pm

1 stop7h 49m

Allentown-Bethlehem

Sun 1/11

6:28 am-12:56 pm

1 stop9h 28m

$639

San JoseAllentown

SJC - ABE

SJCABE

San Jose

Sun 12/28

6:35 am-5:24 pm

1 stop7h 49m

Allentown-Bethlehem

Sun 1/11

6:28 am-12:56 pm

1 stop9h 28m

$749

San JoseAllentown

SJC - ABE

SJCABE

San Jose

Sat 12/27

9:00 am-9:47 pm

2 stops9h 47m

Allentown-Bethlehem

Sat 1/3

6:17 am-10:34 pm

1 stop19h 17m

$1,156

San JoseAllentown

SJC - ABE

SJCABE

San Jose

Fri 12/26

6:35 am-5:24 pm

1 stop7h 49m

Allentown-Bethlehem

Fri 1/2

12:49 pm-7:36 pm

1 stop9h 47m

$2,801

San JoseAllentown

SJC - ABE

SJCABE

San Jose

Sat 1/24

10:45 pm-12:05 pm

1 stop10h 20m

$149

San JoseAllentown

SJC - ABE

SJCABE

San Jose

Fri 1/30

10:45 pm-12:05 pm

1 stop10h 20m

$149

San JoseAllentown

SJC - ABE

SJCABE

San Jose

Fri 1/23

10:45 pm-12:05 pm

1 stop10h 20m

$149

San JoseAllentown

SJC - ABE

SJCABE

San Jose

Sun 1/25

10:45 pm-12:05 pm

1 stop10h 20m

$170

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 17 results
1
2

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

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

What is the cheapest month to book a flight from San Jose, California to Allentown?

Currently, March is the cheapest month in which you can book a flight from San Jose, California to Allentown (average of $125). Flying from San Jose, California to Allentown in September is currently the most expensive (average of $226). 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.

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 December 16, 2025.
See what other customers who have flown with Delta from San Jose to Allentown 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
8,008 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Entertainment

7.9

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

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 Jose 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 Jose, California to Allentown?

    Departing from San Jose, California to Allentown will take you 7h 49m. San Jose, California and Allentown are separated by a distance of 2476 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from San Jose, California to Allentown round-trip?

    Flying on Delta is currently your cheapest option to Allentown, with prices starting at $292.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Jose 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 Jose, California to Allentown?

    Currently, March is the cheapest month in which you can book a flight from San Jose, California to Allentown (average of $125). Flying from San Jose, California to Allentown in September is currently the most expensive (average of $226). 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 airline flying from San Jose to Allentown

Discover the top airline that operate flights from San Jose 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$292Average$798FlexibilityNo cancel feeOn-timeN/A

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