Cheap Flights from Philadelphia to San Luis Obispo County from TWD 4,617️ (PHL-CSL)

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Flights from Philadelphia to San Luis Obispo County Starting at TWD 4,617

Discover our range of affordable one-way and round-trip flights from Philadelphia to San Luis Obispo County and kick-start your next adventure today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Philadelphia to San Luis Obispo County flight time & flight schedules

Flight info.

Departure

Arrival

Weekly Schedule

AA428

American Airlines

07:00

PHL

5.5h

10:30

PHX

SMTWTFS

AA2109

American Airlines

11:16

PHX

1.2h

12:26

LAS

SMTWTFS

AS3377

Alaska Airlines

13:14

LAS

1.5h

14:42

SBP

SMTWTFS

UA2383

United Airlines

08:00

PHL

4.3h

10:17

DEN

SMTWTFS

UA4765

United Airlines

11:31

DEN

2.9h

13:26

SBP

SMTWTFS

B6360

Jetblue Airways

08:20

PHL

1.3h

09:37

BOS

SMTWTFS

B6019

Jetblue Airways

16:35

BOS

6.5h

20:08

SAN

SMTWTFS

AS3444

Alaska Airlines

20:59

SAN

1.3h

22:15

SBP

SMTWTFS

UA2229

United Airlines

08:30

PHL

6.5h

12:03

SFO

SMTWTFS

UA5693

United Airlines

12:55

SFO

1.2h

14:08

SBP

SMTWTFS

AA2095

American Airlines

09:20

PHL

2.4h

10:45

ORD

SMTWTFS

AA1479

American Airlines

11:45

ORD

2.8h

13:31

DEN

S--WT-S

UA1550

United Airlines

19:40

DEN

2.8h

21:28

SBP

SMTWTFS

UA1920

United Airlines

12:00

PHL

2.5h

13:32

ORD

SMTWT--

UA2184

United Airlines

16:20

ORD

4.7h

19:00

SAN

S--WTFS

AS3444

Alaska Airlines

20:59

SAN

1.3h

22:15

SBP

SMTWTFS

AA1714

American Airlines

13:50

PHL

1.8h

15:35

CLT

SMTWTFS

AA621

American Airlines

16:55

CLT

5.1h

19:01

SAN

SMTWTFS

AS3444

Alaska Airlines

20:59

SAN

1.3h

22:15

SBP

SMTWTFS

UA671

United Airlines

15:21

PHL

4.5h

17:50

DEN

SMTWTFS

UA1550

United Airlines

19:40

DEN

2.8h

21:28

SBP

SMTWTFS

F93265

Frontier Airlines

18:42

PHL

4.5h

21:09

DEN

SMTWT-S

UA1550

United Airlines

19:40

DEN

2.8h

21:28

SBP

SMTWTFS

F91601

Frontier Airlines

19:20

PHL

5.6h

21:54

LAS

SMTWTFS

AS3377

Alaska Airlines

13:14

LAS

1.5h

14:42

SBP

SMTWTFS

Find more flights and airlines

Find the best time to fly from Philadelphia to San Luis Obispo County

Explore the best time to buy affordable tickets to San Luis Obispo County with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

When are flight tickets from Philadelphia (PHL) to San Luis Obispo County (CSL) the cheapest?
Airlines adjust prices for flights from Philadelphia to San Luis Obispo County based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Philadelphia (PHL) to San Luis Obispo County (CSL) cost?
According to Trip.com's data, the lowest price is around TWD 20,256.
What is the transportation method from the main airport to downtown in San Luis Obispo County?
- The distance from San Luis County Regional Airport to downtown is about 5km, by taxi about 20 minutes.
How many airports in San Luis Obispo County (CSL)?
There are 2 airport(s) in San Luis Obispo County (CSL): San Luis Obispo O'Sullivan Aaf and San Luis County Regional Airport.

How to find a cheap flight from Philadelphia to San Luis Obispo County

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.

Be flexible with your travel dates to get the cheapest flight from Philadelphia to San Luis Obispo County.

Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Philadelphia to San Luis Obispo County over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Sat, Feb 22, with one-way flights priced at just TWD 4617.

Compare cheap flight deals from Philadelphia to San Luis Obispo County across hundreds of airlines.

With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Philadelphia to San Luis Obispo County. The cheapest airline for this route is Frontier Airlines.

Set up a Price Alert

By setting up a Price Alert for your journey from Philadelphia to San Luis Obispo County, you can easily keep an eye on ticket prices without having to check every day.

Don't miss out on cheap flight deals and promo codes from Philadelphia to San Luis Obispo County.

You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.

Book early or wait until the last minute.

It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.

Search for flights on the go.

For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Philadelphia to San Luis Obispo County and snag some exclusive deals just for you.

Flight Information from Philadelphia to San Luis Obispo County

Cheapest direct flight price	TWD 4,616
Off-season travel month	January
Peak season for travel	March
Flight distance	3,992.09km
Popular airline	Frontier Airlines