$173+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — ABE
Jun 11 — Jun 181
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Allentown with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Diego to Allentown
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Cheapest flights from San Diego to AllentownExplore 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 May 12, 2026.
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 May 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:43 am
SAN
- ABE
2 stops27h 06m
Multiple Airlines
Mon 6/87:30 am
ABE
- SAN
1 stop19h 20m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 5/8. 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 9/1110:55 am
SAN
- ABE
1 stop9h 01m
Delta
Mon 9/145:40 pm
ABE
- SAN
1 stop8h 04m
Delta
Deal found 5/8![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Wed 5/2710:40 pm
SAN
- ABE
1 stop8h 23m
United Airlines
Sat 5/3010:42 am
ABE
- SAN
1 stop7h 45m
United Airlines
Deal found 5/7![United Airlines logo]()
$395
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Tue 5/268:32 pm
SAN
- ABE
2 stops10h 31m
United Airlines
Wed 6/35:36 pm
ABE
- SAN
1 stop8h 03m
United Airlines
Deal found 5/7![United Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:17 pm
SAN
- ABE
2 stops25h 08m
Multiple Airlines
Mon 9/78:00 am
ABE
- SAN
1 stop18h 53m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$422
This United Airlines deal was found by Cheapflights users on 5/8. 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 5/2310:40 pm
SAN
- ABE
1 stop8h 23m
United Airlines
Wed 5/275:36 pm
ABE
- SAN
1 stop8h 03m
United Airlines
Deal found 5/8![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Tue 5/268:32 pm
SAN
- ABE
2 stops10h 31m
United Airlines
Sat 5/3010:42 am
ABE
- SAN
2 stops10h 57m
United Airlines
Deal found 5/11![United Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 5/11. 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.
Sat 5/306:15 am
SAN
- ABE
1 stop8h 13m
Delta
Tue 6/26:15 pm
ABE
- SAN
1 stop8h 12m
Delta
Deal found 5/11![Delta logo]()
$464
Best flights from San Diego to AllentownDiscover carefully curated flight deals from San Diego to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 12, 2026.
Discover carefully curated flight deals from San Diego to Allentown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 12, 2026.
This Delta deal was found by Cheapflights users on 5/8. 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 9/1110:55 am
SAN
- ABE
1 stop9h 01m
Delta
Mon 9/145:40 pm
ABE
- SAN
1 stop8h 04m
Delta
Deal found 5/8![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Wed 5/278:32 pm
SAN
- ABE
2 stops10h 31m
United Airlines
Sat 5/3010:42 am
ABE
- SAN
2 stops10h 57m
United Airlines
Deal found 5/7![United Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 5/8. 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 5/238:32 pm
SAN
- ABE
2 stops10h 31m
United Airlines
Wed 5/2710:42 am
ABE
- SAN
1 stop7h 43m
United Airlines
Deal found 5/8![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 5/11. 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.
Sat 5/306:15 am
SAN
- ABE
1 stop8h 13m
Delta
Tue 6/26:15 pm
ABE
- SAN
1 stop8h 12m
Delta
Deal found 5/11![Delta logo]()
$464
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Tue 8/2510:40 pm
SAN
- ABE
1 stop8h 05m
United Airlines
Sat 8/296:15 am
ABE
- SAN
2 stops14h 11m
United Airlines
Deal found 5/11![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 5/9. 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 5/3010:40 pm
SAN
- ABE
1 stop8h 23m
United Airlines
Tue 6/25:36 pm
ABE
- SAN
1 stop8h 03m
United Airlines
Deal found 5/9![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Fri 9/116:28 pm
SAN
- ABE
2 stops12h 38m
United Airlines
Mon 9/145:36 pm
ABE
- SAN
1 stop7h 34m
United Airlines
Deal found 5/8![United Airlines logo]()
$530
Last-minute flights from San Diego to AllentownDiscover last-minute flight deals from San Diego to Allentown. Data last updated May 12, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Allentown. Data last updated May 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/8. 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 5/2310:40 pm
SAN
- ABE
1 stop8h 23m
United Airlines
Wed 5/275:36 pm
ABE
- SAN
1 stop8h 03m
United Airlines
Deal found 5/8![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Tue 5/268:32 pm
SAN
- ABE
2 stops10h 31m
United Airlines
Wed 6/35:36 pm
ABE
- SAN
1 stop8h 03m
United Airlines
Deal found 5/7![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Wed 5/2710:40 pm
SAN
- ABE
1 stop8h 23m
United Airlines
Sat 5/3010:42 am
ABE
- SAN
1 stop7h 45m
United Airlines
Deal found 5/7![United Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 5/11. 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.
Sat 5/306:15 am
SAN
- ABE
1 stop8h 13m
Delta
Tue 6/26:15 pm
ABE
- SAN
1 stop8h 12m
Delta
Deal found 5/11![Delta logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:43 am
SAN
- ABE
2 stops27h 06m
Multiple Airlines
Mon 6/87:30 am
ABE
- SAN
1 stop19h 20m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/59:43 am
SAN
- ABE
2 stops23h 56m
Multiple Airlines
Mon 6/87:30 am
ABE
- SAN
1 stop19h 20m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$488
This American Airlines deal was found by Cheapflights users on 5/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:15 am
SAN
- ABE
1 stop7h 23m
American Airlines
Tue 6/235:16 pm
ABE
- SAN
1 stop9h 32m
American Airlines
Deal found 5/11![American Airlines logo]()
$509
One-way flights from San Diego to AllentownSearch for one-way flight options from San Diego to Allentown. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
Search for one-way flight options from San Diego to Allentown. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:17 pm
SAN
- ABE
3 stops43h 54m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:25 am
SAN
- ABE
1 stop30h 13m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:25 am
SAN
- ABE
3 stops52h 31m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:25 am
SAN
- ABE
2 stops35h 40m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:43 pm
SAN
- ABE
2 stops14h 25m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:22 pm
SAN
- ABE
2 stops45h 16m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:25 am
SAN
- ABE
3 stops36h 12m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$272
Find 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 May 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (Kiwi.com) |
One-way from | $173 (Kiwi.com) |
Popular in | January |
Cheapest in | October |
Average price | $489 |
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 May 12, 2026.
Use the filters below to find and compare flights from San Diego to Allentown that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoAllentown
SAN - ABE
SANABE
San Diego
Fri 9/11
10:55 am-10:56 pm
1 stop9h 01m
Allentown-Bethlehem
Mon 9/14
5:40 pm-10:44 pm
1 stop8h 04m
$379
San DiegoAllentown
SAN - ABE
SANABE
San Diego
Wed 5/27
8:32 pm-10:03 am
2 stops10h 31m
Allentown-Bethlehem
Sat 5/30
10:42 am-6:39 pm
2 stops10h 57m
$405
San DiegoAllentown
SAN - ABE
SANABE
San Diego
Sat 5/23
8:32 pm-10:03 am
2 stops10h 31m
Allentown-Bethlehem
Wed 5/27
10:42 am-3:25 pm
1 stop7h 43m
$454
Quickest round-trip
San DiegoAllentown
SAN - ABE
SANABE
San Diego
Sat 5/30
6:15 am-5:28 pm
1 stop8h 13m
Allentown-Bethlehem
Tue 6/2
6:15 pm-11:27 pm
1 stop8h 12m
$464
San DiegoAllentown
SAN - ABE
SANABE
San Diego
Tue 8/25
10:40 pm-9:45 am
1 stop8h 05m
Allentown-Bethlehem
Sat 8/29
6:15 am-5:26 pm
2 stops14h 11m
$494
San DiegoAllentown
SAN - ABE
SANABE
San Diego
Sat 5/30
10:40 pm-10:03 am
1 stop8h 23m
Allentown-Bethlehem
Tue 6/2
5:36 pm-10:39 pm
1 stop8h 03m
$524
San DiegoAllentown
SAN - ABE
SANABE
San Diego
Fri 9/11
6:28 pm-10:06 am
2 stops12h 38m
Allentown-Bethlehem
Mon 9/14
5:36 pm-10:10 pm
1 stop7h 34m
$530
Cheapest one-way
San DiegoAllentown
SAN - ABE
SANABE
San Diego
Sat 9/19
6:25 am-9:05 pm
2 stops35h 40m
$274
San DiegoAllentown
SAN - ABE
SANABE
San Diego
Wed 9/16
10:55 am-10:56 pm
1 stop9h 01m
$283
San DiegoAllentown
SAN - ABE
SANABE
San Diego
Tue 9/22
10:40 pm-10:06 am
1 stop8h 26m
$283
Showing 1-10 of 15 resultsSorted by cheapest first
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Diego-Allentown flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Allentown flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
SAN-ABE
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
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 May 12, 2026.
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.
Boarding
8.1
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Boarding
8.1
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Boarding
8.1
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
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.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Other flights to Allentown
Explore flights to Allentown departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 12, 2026.
Alternative routes for San Diego to Allentown
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Complete your trip
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San Diego and Allentown flights
Browse other San Diego and Allentown flight options. Last updated on May 12, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on May 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 May 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$458 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$310 | Average$486 | FlexibilityNo cancel fee | On-time71% |