Cheap Flights from Portland (PDX) to Oceanside (OCN)

Popular airlines from Portland International Airport (PDX) to Oceanside, CA (OCN)

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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 $284
CLD
McClellan-Palomar
Cheapest
Average driving time to city center19 min
Flights from $284

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Oceanside, CA (OCN) cost?
Get a cheap one-way flight or cheap return flight from Portland Intl. Airport (PDX) to Oceanside, CA (OCN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Oceanside, CA (OCN)?
The cheapest month to fly from PDX to OCN is , when demand is low. Off-peak months are often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Oceanside, CA (OCN)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest PDX to OCN flight.
How many flights per day from Portland Intl. Airport (PDX) to Oceanside, CA (OCN)?
There are no daily nonstop flights available from Portland Intl. Airport (PDX) to Oceanside, CA (OCN). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from PDX to OCN?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a number of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Oceanside, CA (OCN)?
To reach Oceanside, CA (OCN) on schedule, select a flight that leaves Portland Intl. Airport (PDX) before 3 PM. The chance 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 Portland Intl. Airport (PDX)?
San Diego Intl. Airport (SAN) is the only airport in San Diego County with direct flights from Portland Intl. Airport (PDX). Compare the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Oceanside, CA (OCN) last-minute?
Waiting until just before your trip to book a flight from PDX to OCN generally means paying more. While it's possible to find some last-minute offers, they're not always guaranteed. Be flexible with your travel plans to boost your chances of landing a bargain.
Is it cheaper to book a PDX to OCN flight and hotel package?
You'll generally save money by securing a PDX to OCN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your preferred accommodations and flights, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Oceanside, CA (OCN)?
If you reserved your PDX to OCN flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Origin airport
Portland Intl.
Destination airport
Oceanside
Distance
898 mi

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Portland to Oceanside Flights

The cheapest times to fly from Portland 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 Portland to Oceanside are during the month of . You can find some of the cheapest flights from Portland to Oceanside with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Oceanside

Sunday is one of the best days to book for cheap flights from Portland 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 Portland 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 Portland to Oceanside in 2026. 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 Portland 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 Portland 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.

 

Portland to Oceanside Flights

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