$309+ Cheap flights from Allentown to San Diego (ABE - SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SAN
Apr 21 — Apr 281
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.Cheapflights Tip: The best prices from Allentown-Bethlehem to San Diego are usually found in March or August, booked 71 days in advance, depart on a Tuesday or Monday and return on a Thursday
Cheap 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 April 16, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $309 (Delta) |
Popular in | December |
Cheapest in | March |
Average price | $418 |
Find flight deals from Allentown to San Diego
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 April 16, 2025.
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 April 16, 2025.
This Delta deal was found by Cheapflights users on 4/16. 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 6/65:50 pmABE - SAN
1 stop7h 30mDelta
Sat 6/146:15 amSAN - ABE
1 stop8h 10mDelta
Deal found 4/16![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1312:02 pmABE - SAN
1 stop9h 04mAmerican Airlines
Wed 9/172:07 pmSAN - ABE
1 stop7h 08mAmerican Airlines
Deal found 4/16![American Airlines logo]()
$440
This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/612:44 pmABE - SAN
3 stops32h 19mMultiple Airlines
Sat 6/146:15 amSAN - ABE
2 stops25h 37mMultiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$443
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/226:30 amABE - SAN
1 stop10h 26mUnited Airlines
Sat 4/266:15 amSAN - ABE
2 stops12h 10mUnited Airlines
Deal found 4/15![United Airlines logo]()
$564
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 April 16, 2025.
Use the filters below to find and compare flights from Allentown to San Diego that are best for you.
Fly from
Allentown
Fly to
San Diego
Route
Depart
Return
Price
AllentownSan Diego
ABE - SAN
ABESAN
Allentown-Bethlehem
Fri 6/6
5:50 pm-10:20 pm
1 stop7h 30m
San Diego
Sat 6/14
6:15 am-5:25 pm
1 stop8h 10m
$309
AllentownSan Diego
ABE - SAN
ABESAN
Allentown-Bethlehem
Fri 6/6
12:44 pm-6:03 pm
3 stops32h 19m
San Diego
Sat 6/14
6:15 am-10:52 am
2 stops25h 37m
$443
AllentownSan Diego
ABE - SAN
ABESAN
Allentown-Bethlehem
Fri 5/30
5:25 am-10:59 am
1 stop8h 34m
San Diego
Mon 6/2
1:48 pm-12:40 am
1 stop7h 52m
$477
AllentownSan Diego
ABE - SAN
ABESAN
Allentown-Bethlehem
Tue 4/22
6:30 am-1:56 pm
1 stop10h 26m
San Diego
Sat 4/26
6:15 am-9:25 pm
2 stops12h 10m
$564
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 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 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 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.
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
How far ahead should I book a flight from Allentown to San Diego?
Use this chart to determine the optimal time to book a round-trip flight from Allentown to San Diego. Price data was last updated on April 11, 2025.
The price you pay for your flight from Allentown to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Allentown to San Diego?
Currently, August is the cheapest month in which you can book a flight from Allentown to San Diego (average of $286). Flying from Allentown to San Diego in March is currently the most expensive (average of $366). 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.
What is the cheapest time of day to fly from ABE to SAN?
Find hourly flight availability from Allentown to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 16, 2025.
It’s typically best to fly out from Allentown to San Diego in the afternoon. Doing so could potentially save you 43% on the flight price compared to flying at noon, which is usually more expensive.
Rainfall in San Diego by month
Plan your trip to San Diego by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.
Temperature in San Diego by month
Plan your trip to San Diego by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).
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 April 16, 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Allentown to San Diego. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Crew
8.5
Food
7.3
Entertainment
7.9
Boarding
8.2
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.9
Crew
8.5
Food
7.3
Entertainment
7.9
Boarding
8.2
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.9
Crew
8.5
Food
7.3
Entertainment
7.9
Boarding
8.2
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.9
Crew
8.5
Food
7.3
Entertainment
7.9
Boarding
8.2
Overall
8.0
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 Allentown?
Book flights to Allentown if you plan to visit one of these locationsEl Cajon
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Coronado
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Alternative routes for Allentown to San Diego
See prices for flight routes from nearby airports that may be better suited for you.
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 April 16, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$263 | Average$474 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$283 | Average$419 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$467 | FlexibilityNo cancel fee | On-timeN/A |