$135+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SAN
Jul 7 — Jul 141
Round-trip
1 adult, Economy
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Find cheap flights from Allentown to San Diego 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 Allentown to San Diego
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Cheapest flights from Allentown to San DiegoExplore 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 June 7, 2026.
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 June 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Mon 9/287:30 am
ABE
- SAN
1 stop19h 29m
Multiple Airlines
Thu 10/88:32 pm
SAN
- ABE
1 stop16h 10m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Fri 10/27:30 am
ABE
- SAN
1 stop11h 11m
Multiple Airlines
Thu 10/88:32 pm
SAN
- ABE
1 stop16h 10m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Mon 8/102:54 pm
ABE
- SAN
1 stop21h 16m
Multiple Airlines
Wed 8/196:25 am
SAN
- ABE
2 stops35h 42m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Mon 8/102:54 pm
ABE
- SAN
1 stop21h 16m
Multiple Airlines
Fri 8/1410:10 am
SAN
- ABE
1 stop10h 04m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Sat 7/410:35 am
ABE
- SAN
1 stop7h 57m
United Airlines
Sun 7/1210:25 pm
SAN
- ABE
1 stop8h 33m
United Airlines
Deal found 6/4![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 6/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:36 pm
ABE
- SAN
1 stop7h 34m
United Airlines
Tue 9/297:41 pm
SAN
- ABE
2 stops11h 25m
United Airlines
Deal found 6/3![United Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:13 pm
ABE
- SAN
1 stop7h 47m
Delta
Sat 8/156:15 am
SAN
- ABE
1 stop8h 08m
Delta
Deal found 6/4![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:13 pm
ABE
- SAN
1 stop7h 47m
Delta
Mon 8/1710:17 pm
SAN
- ABE
2 stops16h 06m
Delta
Deal found 6/4![Delta logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Mon 8/102:54 pm
ABE
- SAN
1 stop21h 16m
Multiple Airlines
Tue 8/189:53 pm
SAN
- ABE
2 stops37h 22m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 6/6. 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 8/281:10 pm
ABE
- SAN
2 stops12h 45m
Delta
Tue 9/16:15 am
SAN
- ABE
2 stops13h 08m
Delta
Deal found 6/6![Delta logo]()
$389
Best flights from Allentown to San DiegoDiscover carefully curated flight deals from Allentown to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 7, 2026.
Discover carefully curated flight deals from Allentown to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 7, 2026.
This United Airlines deal was found by Cheapflights users on 6/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:36 pm
ABE
- SAN
1 stop7h 34m
United Airlines
Tue 9/297:41 pm
SAN
- ABE
2 stops11h 25m
United Airlines
Deal found 6/3![United Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 6/2. 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 9/126:30 am
ABE
- SAN
1 stop9h 15m
Delta
Tue 9/226:15 am
SAN
- ABE
1 stop8h 06m
Delta
Deal found 6/2![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 6/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:32 am
ABE
- SAN
2 stops12h 30m
United Airlines
Sat 9/2610:40 pm
SAN
- ABE
1 stop8h 26m
United Airlines
Deal found 6/3![United Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 6/2. 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 8/261:10 pm
ABE
- SAN
2 stops13h 44m
Delta
Sun 8/3010:17 pm
SAN
- ABE
2 stops16h 06m
Delta
Deal found 6/2![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Wed 9/165:36 pm
ABE
- SAN
1 stop7h 34m
United Airlines
Sat 9/266:20 am
SAN
- ABE
2 stops11h 52m
United Airlines
Deal found 6/2![United Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 6/6. 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 8/126:09 pm
ABE
- SAN
1 stop7h 51m
Delta
Sat 8/156:15 am
SAN
- ABE
1 stop8h 08m
Delta
Deal found 6/6![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Sat 7/410:35 am
ABE
- SAN
1 stop7h 57m
United Airlines
Sun 7/128:32 pm
SAN
- ABE
2 stops10h 26m
United Airlines
Deal found 6/4![United Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 6/5. 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.
Fri 7/31:12 pm
ABE
- SAN
2 stops10h 29m
Delta
Sat 7/116:15 am
SAN
- ABE
1 stop8h 10m
Delta
Deal found 6/5![Delta logo]()
$467
This United Airlines deal was found by Cheapflights users on 6/2. 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 10/276:15 am
ABE
- SAN
1 stop8h 07m
United Airlines
Sat 10/3110:30 pm
SAN
- ABE
1 stop9h 36m
United Airlines
Deal found 6/2![United Airlines logo]()
$479
Last-minute flights from Allentown to San DiegoDiscover last-minute flight deals from Allentown to San Diego. Data last updated June 7, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to San Diego. Data last updated June 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Wed 6/106:15 am
ABE
- SAN
1 stop8h 06m
United Airlines
Mon 6/2910:25 pm
SAN
- ABE
1 stop8h 37m
United Airlines
Deal found 6/5![United Airlines logo]()
$480
This American Airlines deal was found by Cheapflights users on 6/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/166:00 am
ABE
- SAN
1 stop9h 33m
American Airlines
Sat 6/206:15 am
SAN
- ABE
1 stop6h 57m
American Airlines
Deal found 6/5![American Airlines logo]()
$501
This Delta deal was found by Cheapflights users on 6/5. 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.
Fri 7/36:10 pm
ABE
- SAN
1 stop7h 50m
Delta
Sat 7/116:15 am
SAN
- ABE
1 stop8h 10m
Delta
Deal found 6/5![Delta logo]()
$462
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Sat 7/410:35 am
ABE
- SAN
1 stop7h 57m
United Airlines
Sun 7/1210:25 pm
SAN
- ABE
1 stop8h 33m
United Airlines
Deal found 6/4![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 6/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:15 am
ABE
- SAN
1 stop8h 06m
United Airlines
Sat 7/116:27 pm
SAN
- ABE
2 stops12h 31m
United Airlines
Deal found 6/3![United Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 6/2. 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 7/146:15 am
ABE
- SAN
1 stop8h 06m
United Airlines
Sun 7/1910:25 pm
SAN
- ABE
1 stop8h 33m
United Airlines
Deal found 6/2![United Airlines logo]()
$488
This United Airlines deal was found by Cheapflights users on 6/2. 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 7/185:41 pm
ABE
- SAN
1 stop7h 53m
United Airlines
Fri 7/2410:25 pm
SAN
- ABE
1 stop8h 33m
United Airlines
Deal found 6/2![United Airlines logo]()
$479
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Sat 7/185:11 pm
ABE
- SAN
1 stop9h 15m
American Airlines
Fri 7/249:57 am
SAN
- ABE
1 stop10h 11m
American Airlines
Deal found 6/6![American Airlines logo]()
$483
One-way flights from Allentown to San DiegoSearch for one-way flight options from Allentown to San Diego. Find affordable one-way fares based on user searches. Data last updated June 7, 2026.
Search for one-way flight options from Allentown to San Diego. Find affordable one-way fares based on user searches. Data last updated June 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Mon 10/267:30 am
ABE
- SAN
1 stop11h 11m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 7/37:30 am
ABE
- SAN
1 stop19h 23m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 6/5. 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.
Mon 7/204:38 pm
ABE
- SAN
3 stops48h 30m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 7/176:00 am
ABE
- SAN
3 stops41h 06m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$270
Find 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 June 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $310 (Kiwi.com) |
One-way from | $135 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $556 |
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 June 7, 2026.
Use the filters below to find and compare flights from Allentown to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AllentownSan Diego
ABE - SAN
ABESAN
Allentown-Bethlehem
Wed 9/9
5:36 pm-10:10 pm
1 stop7h 34m
San Diego
Tue 9/29
7:41 pm-10:06 am
2 stops11h 25m
$374
AllentownSan Diego
ABE - SAN
ABESAN
Allentown-Bethlehem
Thu 9/10
10:32 am-8:02 pm
2 stops12h 30m
San Diego
Sat 9/26
10:40 pm-10:06 am
1 stop8h 26m
$374
AllentownSan Diego
ABE - SAN
ABESAN
Allentown-Bethlehem
Sat 9/12
6:30 am-12:45 pm
1 stop9h 15m
San Diego
Tue 9/22
6:15 am-5:21 pm
1 stop8h 06m
$394
AllentownSan Diego
ABE - SAN
ABESAN
Allentown-Bethlehem
Wed 9/16
5:36 pm-10:10 pm
1 stop7h 34m
San Diego
Sat 9/26
6:20 am-9:12 pm
2 stops11h 52m
$397
AllentownSan Diego
ABE - SAN
ABESAN
Allentown-Bethlehem
Wed 8/26
1:10 pm-11:54 pm
2 stops13h 44m
San Diego
Sun 8/30
10:17 pm-5:23 pm
2 stops16h 06m
$404
Quickest round-trip
AllentownSan Diego
ABE - SAN
ABESAN
Allentown-Bethlehem
Wed 8/12
6:09 pm-11:00 pm
1 stop7h 51m
San Diego
Sat 8/15
6:15 am-5:23 pm
1 stop8h 08m
$404
AllentownSan Diego
ABE - SAN
ABESAN
Allentown-Bethlehem
Sat 7/4
10:35 am-3:32 pm
1 stop7h 57m
San Diego
Sun 7/12
8:32 pm-9:58 am
2 stops10h 26m
$457
AllentownSan Diego
ABE - SAN
ABESAN
Allentown-Bethlehem
Fri 7/3
1:12 pm-8:41 pm
2 stops10h 29m
San Diego
Sat 7/11
6:15 am-5:25 pm
1 stop8h 10m
$467
AllentownSan Diego
ABE - SAN
ABESAN
Allentown-Bethlehem
Tue 10/27
6:15 am-11:22 am
1 stop8h 07m
San Diego
Sat 10/31
10:30 pm-11:06 am
1 stop9h 36m
$479
Cheapest one-way
AllentownSan Diego
ABE - SAN
ABESAN
Allentown-Bethlehem
Mon 10/26
7:30 am-9:02 am
2 stops28h 32m
$208
Showing 1-10 of 20 resultsSorted by cheapest first
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 June.
| 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 Allentown-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Allentown-San Diego flight deals on Cheapflights vs. FlightHub >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 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 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.
ABE-SAN
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, September is the cheapest month in which you can book a flight from Allentown to San Diego (average of $406). Flying from Allentown to San Diego in December is currently the most expensive (average of $712). 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 Allentown to San Diego?
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 June 7, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican 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.
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
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.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
Chula Vista
National City
Poway
Coronado
La Mesa
Santee
Julian
Lemon Grove
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Allentown and San Diego flights
Browse other Allentown and San Diego flight options. Last updated on June 7, 2026.
Other flights from Allentown
Browse through other flights departing from Allentown. Flights are based on user searches made on Cheapflights and were last updated on June 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 7, 2026.
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 June 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$241 | Average$528 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$352 | Average$492 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$361 | Average$525 | FlexibilityNo cancel fee | On-time71% |