Cheap Flights from Washington (DCA) to Palo Alto (PAO)

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Palo Alto, CA (PAO-Santa Clara County)

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Flights from Washington (DCA) to Palo Alto (PAO)
Origin airport
Ronald Reagan Washington National
Destination airport
Santa Clara County
Distance
2425 mi

Washington to Palo Alto Flights

The cheapest times to fly from Washington to Palo Alto

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

The best time to book a flight from Washington to Palo Alto

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

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 Washington to Palo Alto 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 Washington to Palo Alto 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 Washington to Palo Alto 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

Is it cheaper to buy a plane ticket from DCA to PAO last minute?
Being spontaneous is a fabulous way to explore the world, but it isn’t always the best way to get your hands on a cheap plane ticket. Think about booking your Ronald Reagan Washington National Airport (DCA) to Palo Alto Airport journey well ahead of time rather than waiting until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneous side for when you’re discovering Palo Alto Airport!
Can I change the date of my flight from DCA to PAO?
Make changes quickly to your Ronald Reagan Washington National Airport (DCA) to PAO journey by logging in to the Expedia Trips portal. Before you amend times or dates, review the rules in your itinerary to learn what you’re able to do and what charges may apply. Some carriers have a change fee per person, on top of any difference in prices. However, if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also check out our Customer Service portal for further details and to chat with our Virtual Agent.

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