$168+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — ABE
Sep 5 — Sep 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
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 August 6, 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 August 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/134:54 pm -
1 stop19h 44m
Mon 9/217:30 am -
1 stop19h 21m
Deal found 8/2![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/176:25 am -
1 stop29h 43m
Mon 9/217:30 am -
1 stop19h 21m
Deal found 8/2![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 -
2 stops45h 16m
Mon 9/217:30 am -
1 stop19h 21m
Deal found 8/2![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/134:54 pm -
1 stop19h 44m
Fri 9/257:00 am -
1 stop19h 51m
Deal found 8/2![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/165:54 pm -
2 stops24h 11m
Mon 9/217:30 am -
1 stop19h 21m
Deal found 8/2![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 -
1 stop30h 13m
Sun 9/209:55 pm -
2 stops28h 56m
Deal found 8/3![Multiple Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 8/5. 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.
Thu 11/196:15 am -
1 stop8h 03m
Thu 11/2612:53 pm -
1 stop9h 52m
Deal found 8/5![Delta logo]()
$356
This Delta deal was found by Cheapflights users on 8/5. 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 9/156:20 am -
1 stop8h 01m
Fri 9/256:04 pm -
1 stop7h 50m
Deal found 8/5![Delta logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/176:25 am -
1 stop29h 43m
Fri 9/257:00 am -
1 stop19h 51m
Deal found 8/2![Multiple Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 8/2. 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 9/166:20 am -
1 stop8h 01m
Tue 9/2212:56 pm -
2 stops10h 41m
Deal found 8/2![Delta logo]()
$384
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 August 6, 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 August 6, 2026.
This Delta deal was found by Cheapflights users on 8/5. 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.
Thu 11/196:15 am -
1 stop8h 03m
Thu 11/2612:53 pm -
1 stop9h 52m
Deal found 8/5![Delta logo]()
$356
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/2010:40 pm -
1 stop8h 17m
Mon 8/245:36 pm -
1 stop7h 34m
Deal found 8/4![United Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 8/203:45 pm -
1 stop20h 26m
Mon 8/247:00 am -
2 stops40h 15m
Deal found 8/4![Multiple Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 8/2. 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 9/196:20 am -
1 stop8h 11m
Mon 9/216:04 pm -
1 stop7h 50m
Deal found 8/2![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/2. 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 9/510:40 pm -
1 stop8h 17m
Wed 9/96:15 am -
1 stop8h 10m
Deal found 8/2![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 8/5. 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 8/2910:40 pm -
1 stop8h 17m
Mon 8/316:15 am -
1 stop8h 00m
Deal found 8/5![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 8/2. 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 9/1510:30 pm -
1 stop8h 09m
Tue 9/225:36 pm -
1 stop7h 34m
Deal found 8/2![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Mon 8/316:18 am -
1 stop7h 38m
Mon 9/76:15 am -
1 stop8h 00m
Deal found 8/1![United Airlines logo]()
$492
Last-minute flights from San Diego to AllentownDiscover last-minute flight deals from San Diego to Allentown. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Allentown. Data last updated August 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/134:54 pm -
1 stop19h 44m
Mon 9/217:30 am -
1 stop19h 21m
Deal found 8/2![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/134:54 pm -
1 stop19h 44m
Fri 9/257:00 am -
1 stop19h 51m
Deal found 8/2![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 -
1 stop30h 13m
Sun 9/209:55 pm -
2 stops28h 56m
Deal found 8/3![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 -
2 stops45h 16m
Mon 9/217:30 am -
1 stop19h 21m
Deal found 8/2![Multiple Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/5. 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 9/156:20 am -
1 stop8h 01m
Fri 9/256:04 pm -
1 stop7h 50m
Deal found 8/5![Delta logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/165:54 pm -
2 stops24h 11m
Mon 9/217:30 am -
1 stop19h 21m
Deal found 8/2![Multiple Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 8/2. 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 9/166:20 am -
1 stop8h 01m
Tue 9/2212:56 pm -
2 stops10h 41m
Deal found 8/2![Delta logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/176:25 am -
1 stop29h 43m
Mon 9/217:30 am -
1 stop19h 21m
Deal found 8/2![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/176:25 am -
1 stop29h 43m
Fri 9/257:00 am -
1 stop19h 51m
Deal found 8/2![Multiple Airlines logo]()
$383
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 August 6, 2026.
Search for one-way flight options from San Diego to Allentown. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/33:45 pm -
1 stop20h 53m
Deal found 8/4![Multiple Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 9/237:04 pm -
2 stops41h 04m
Deal found 8/5![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 9/227:04 pm -
3 stops47h 33m
Deal found 8/5![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 12/56:22 pm -
3 stops40h 24m
Deal found 8/2![Multiple Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 8/5. 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 9/236:20 am -
1 stop8h 01m
Deal found 8/5![Delta logo]()
$293
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 August 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $281 (Kiwi.com) |
One-way from | $168 (Kiwi.com) |
Popular in | January |
Cheapest in | November |
Average price | $646 |
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 August 6, 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 San Diego - ABE Allentown-Bethlehem
SANABE
San Diego
Thu 11/19
6:15 am-5:18 pm
1 stop8h 03m
Allentown-Bethlehem
Thu 11/26
12:53 pm-7:45 pm
1 stop9h 52m
$356
San DiegoAllentown
SAN San Diego - ABE Allentown-Bethlehem
SANABE
San Diego
Sat 9/19
6:20 am-5:31 pm
1 stop8h 11m
Allentown-Bethlehem
Mon 9/21
6:04 pm-10:54 pm
1 stop7h 50m
$409
San DiegoAllentown
SAN San Diego - ABE Allentown-Bethlehem
SANABE
San Diego
Thu 8/20
10:40 pm-9:57 am
1 stop8h 17m
Allentown-Bethlehem
Mon 8/24
5:36 pm-10:10 pm
1 stop7h 34m
$459
San DiegoAllentown
SAN San Diego - ABE Allentown-Bethlehem
SANABE
San Diego
Thu 8/20
3:45 pm-3:11 pm
1 stop20h 26m
Allentown-Bethlehem
Mon 8/24
7:00 am-8:15 pm
2 stops40h 15m
$469
San DiegoAllentown
SAN San Diego - ABE Allentown-Bethlehem
SANABE
San Diego
Sat 9/5
10:40 pm-9:57 am
1 stop8h 17m
Allentown-Bethlehem
Wed 9/9
6:15 am-11:25 am
1 stop8h 10m
$489
San DiegoAllentown
SAN San Diego - ABE Allentown-Bethlehem
SANABE
San Diego
Sat 8/29
10:40 pm-9:57 am
1 stop8h 17m
Allentown-Bethlehem
Mon 8/31
6:15 am-11:15 am
1 stop8h 00m
$489
San DiegoAllentown
SAN San Diego - ABE Allentown-Bethlehem
SANABE
San Diego
Tue 9/15
10:30 pm-9:39 am
1 stop8h 09m
Allentown-Bethlehem
Tue 9/22
5:36 pm-10:10 pm
1 stop7h 34m
$489
Quickest round-trip
San DiegoAllentown
SAN San Diego - ABE Allentown-Bethlehem
SANABE
San Diego
Mon 8/31
6:18 am-4:56 pm
1 stop7h 38m
Allentown-Bethlehem
Mon 9/7
6:15 am-11:15 am
1 stop8h 00m
$492
Cheapest one-way
San DiegoAllentown
SAN San Diego - ABE Allentown-Bethlehem
SANABE
San Diego
Wed 9/23
6:25 am-8:25 pm
3 stops35h 00m
$194
San DiegoAllentown
SAN San Diego - ABE Allentown-Bethlehem
SANABE
San Diego
Wed 9/23
6:20 am-5:21 pm
1 stop8h 01m
$293
Showing 1-10 of 18 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 August.
| 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.
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 August 6, 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
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Boarding
8.1
Food
7.2
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Boarding
8.1
Food
7.2
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.8
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Allentown flight routes
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from San Diego
Popular flights
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 August 6, 2026.
Alternative routes for San Diego to Allentown
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Allentown by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Diego to Allentown by cabin class
Find flights from San Diego to Allentown, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and Allentown flights
Browse other San Diego and Allentown flight options. Last updated on August 6, 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 August 6, 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 August 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$458 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$310 | Average$502 | FlexibilityNo cancel fee | On-time71% |