Cheap Flights from Washington (IAD) to Santa Rosa Intl. (ETR)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Santa Rosa Intl. (ETR)

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Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Santa Rosa Intl. Airport (ETR) cost?
Lock in a cheap one-way flight or cheap return flight from Washington Dulles Intl. Airport (IAD) to Santa Rosa Intl. Airport (ETR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Santa Rosa Intl. Airport (ETR)?
The cheapest month to fly from IAD to ETR is , when there's less demand. Off-peak season is often when better flight deals are available between these airports.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Santa Rosa Intl. Airport (ETR)?
To find the cheapest airline that'll fly you from IAD to ETR, use Expedia's filter tool. Tailor your search based on your travel style, 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 Washington Dulles Intl. Airport (IAD) to Santa Rosa Intl. Airport (ETR)?
You'll need to catch a flight with a layover when traveling from Washington Dulles Intl. Airport (IAD) to Santa Rosa Intl. Airport (ETR). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from IAD to ETR?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, airline 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 Washington Dulles Intl. Airport (IAD) to Santa Rosa Intl. Airport (ETR)?
To touch down at Santa Rosa Intl. Airport (ETR) on schedule, select a flight that leaves Washington Dulles Intl. Airport (IAD) 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.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Santa Rosa Intl. Airport (ETR) last-minute?
Booking your flight from IAD to ETR shortly before your getaway is typically more expensive. But if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book an IAD to ETR flight and hotel package?
You'll typically save money by booking an IAD to ETR 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 convenient place. Once you've chosen your preferred flights and accommodations, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Santa Rosa Intl. Airport (ETR)?
If you booked your IAD to ETR flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Santa Rosa Intl.
Distance
2933 mi

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Washington to Santa Rosa Intl. Flights

The cheapest times to fly from Washington to Santa Rosa Intl.

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

 

The best time to book a flight from Washington to Santa Rosa Intl.

Sunday is one of the best days to book for cheap flights from Washington to Santa Rosa Intl.: 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 Santa Rosa Intl.

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 Santa Rosa Intl. 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 Santa Rosa Intl. 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 Santa Rosa Intl. 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.

 

Washington to Santa Rosa Intl. Flights

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