Cheap Flights from Philadelphia (PHL) to Oceanside (OCN)

Popular airlines from Philadelphia Intl. Airport (PHL) to Oceanside, CA (OCN)

Alternative airports near Oceanside

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McClellan-Palomar CLD. Cheapest option available. Average driving time to city center is 19 minutes. Flights from $469
CLD
McClellan-Palomar
Cheapest
Average driving time to city center19 min
Flights from $469
Flights from Philadelphia (PHL) to Oceanside (OCN)
Origin airport
Philadelphia Intl.
Destination airport
Oceanside
Distance
2359 mi

Philadelphia to Oceanside Flights

The cheapest times to fly from Philadelphia to Oceanside

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Oceanside are during the month of . You can find some of the cheapest flights from Philadelphia to Oceanside with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Oceanside

Sunday is one of the best days to book for cheap flights from Philadelphia to Oceanside: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Philadelphia to Oceanside

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Oceanside in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Oceanside flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Oceanside airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Oceanside, CA (OCN) cost?
Snag a cheap one-way flight or cheap return flight from Philadelphia Intl. Airport (PHL) to Oceanside, CA (OCN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Philadelphia Intl. Airport (PHL) to Oceanside, CA (OCN)?
The cheapest month to fly from PHL to OCN is , when there's less demand. Off-peak season is often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Oceanside, CA (OCN)?
To find the cheapest airline that'll fly you from PHL to OCN, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Philadelphia Intl. Airport (PHL) to Oceanside, CA (OCN)?
Nonstop flights from Philadelphia Intl. Airport (PHL) to Oceanside, CA (OCN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHL to OCN?
Generally you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Oceanside, CA (OCN)?
To arrive at Oceanside, CA (OCN) on time, choose a flight that leaves Philadelphia Intl. Airport (PHL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Diego County from Philadelphia Intl. Airport (PHL)?
San Diego Intl. Airport (SAN) is the only airport in San Diego County with direct flights from Philadelphia Intl. Airport (PHL). Browse your options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Oceanside, CA (OCN) last-minute?
Last-minute fares from PHL to OCN are generally more expensive. For the best prices, start searching for flights early. That said, if you're flexible with your travel plans, you may score a cheap ticket right before you leave.
Is it cheaper to book a PHL to OCN flight and hotel package?
Compared with arranging flights and hotels separately, booking a PHL to OCN flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the stress out of planning your trip. Just pick your flights and choose from our extensive range of hotels, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Oceanside, CA (OCN)?
In most instances, you can reschedule or cancel your PHL to OCN flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want further information, head to our Customer Service portal.

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*Available to One Key members.