Cheap Flights from Oceanside (OCN) to Washington (DCA)

Popular airlines from Oceanside, CA (OCN) to Ronald Reagan Washington National Airport (DCA)

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Frequently asked questions

How much does a flight from Oceanside, CA (OCN) to Ronald Reagan Washington National Airport (DCA) cost?
Grab a cheap one-way flight or cheap return flight from Oceanside, CA (OCN) to Ronald Reagan Washington National Airport (DCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Oceanside, CA (OCN) to Ronald Reagan Washington National Airport (DCA)?
The cheapest month to fly from OCN to DCA is , when there's less demand. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Oceanside, CA (OCN) to Ronald Reagan Washington National Airport (DCA)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from OCN to DCA. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Oceanside, CA (OCN) to Ronald Reagan Washington National Airport (DCA)?
There are no daily nonstop flights from Oceanside, CA (OCN) to Ronald Reagan Washington National Airport (DCA). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from OCN to DCA?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a number of factors, including the season 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 Oceanside, CA (OCN) to Ronald Reagan Washington National Airport (DCA)?
Choose a flight from Oceanside, CA (OCN) to Ronald Reagan Washington National Airport (DCA) that takes off before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be canceled.**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.
Is it cheaper to buy a plane ticket from Oceanside, CA (OCN) to Ronald Reagan Washington National Airport (DCA) last-minute?
Booking your flight from OCN to DCA just before your trip is typically more expensive. But if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book an OCN to DCA flight and hotel package?
You'll typically save money by securing an OCN to DCA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've chosen your ideal accommodations and flights, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Oceanside, CA (OCN) to Ronald Reagan Washington National Airport (DCA)?
If you booked your OCN to DCA flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Oceanside
Destination airport
Ronald Reagan Washington National
Distance
2266 mi

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Oceanside to Washington Flights

The cheapest times to fly from Oceanside to Washington

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

 

The best time to book a flight from Oceanside to Washington

Sunday is one of the best days to book for cheap flights from Oceanside to Washington: 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 Oceanside to Washington

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 Oceanside to Washington 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 Oceanside to Washington 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 Oceanside to Washington 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.

 

Oceanside to Washington Flights

*Flight schedules are subject to change.

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*Available to One Key members.