Cheap flight tickets from Washington D.C. to Santa Rosa

Compare Washington D.C. to Santa Rosa flight deals

Find the cheapest month or even day of the year to fly to Santa Rosa

Book the best Santa Rosa fare with no extra fees

Flight deals from Washington D.C. to Santa Rosa Airport

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Santa Rosa Airport? If you want to travel next month, return fares start from RM1,893. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington D.C. to Santa Rosa

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington D.C. to Santa Rosa flights are currently cheapest in May.

Washington D.C. to Santa Rosa: Alternative routes

Compare routes from Washington D.C. to Santa Rosa below. You may find an airport to fly into that's cheaper, faster, or easier than Santa Rosa.

Washington D.C. to Santa Rosa: Flight information

The things to know before you go.
Cheapest flight foundRM1,767
Cheapest month to flyApril

Finding cheap flights from Washington D.C. to Santa Rosa: Frequently asked questions

The best price we found for a return flight from Washington D.C. to Santa Rosa is RM1,767. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Washington D.C. to Santa Rosa. But we found flights with one stop from RM1,772.
As of March 2026, there are no flights flying from Washington D.C. to Santa Rosa.
The cheapest month to fly from Washington D.C. to Santa Rosa is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Santa Rosa Airport on Tuesday, 21 April 2026.
No airlines currently offer direct flights between Washington D.C. and Santa Rosa Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Santa Rosa but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Santa Rosa is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Santa Rosa is Southwest Airlines .

Flying from Washington DC to Sonoma County Airport (STS): What you need to know

  • Your travel plans take shape at one of Washington DC's main airports, Ronald Reagan National Airport (DCA) or Washington Dulles International Airport (IAD). Explore your options for booking a flight from Washington DC to Sonoma County Airport (STS) jetting off from either of these.

  • Santa Rosa is three hours behind Washington DC. Sonoma County Airport is located in Santa Rosa, which runs on the UTC-7 timezone.

  • Your flight from Washington DC to STS won't wait if you're late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • High season means busier airports, so be there even earlier. Give yourself at least two hours before a domestic flight and four hours for international journeys to stick to your schedule.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • Located around 8 kilometres from the centre of Washington DC, DCA can be reached in about 15 minutes by car (depending on traffic). The journey by public transport takes roughly 45 minutes.

  • Catching an early flight from Washington DC to Sonoma County Airport? Avoid the last-minute rush to the terminal (and catch some extra z's) by picking one of these hotels close to Ronald Reagan National Airport:

  • 76.44% of flights taking off from Ronald Reagan National Airport reach their destination on time.

  • You'll find DCA at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • The trip to BWI from the centre of Washington DC is around 1 hour 30 minutes by public transport. If you prefer to travel by car, it'll take you about 50 minutes to cover the 48 kilometres or so.

  • Skip the rush on your departure day — stay near Baltimore/Wash International Thurgood Marshall Airport and know you'll get to your boarding gate with time to spare. Get settled at one of these hotels the day before if you're catching an early Washington DC to Sonoma County Airport flight:

  • Flights that depart from BWI arrive at their destination within the scheduled time frame 77.13% of the time.

About Sonoma County Airport (STS)

Getting from Sonoma County Airport (STS) to central Santa Rosa

  • The centre of Santa Rosa is roughly 11 kilometres from Sonoma County Airport. Travel times by car hire or cab will vary based on time of day and traffic conditions, so do a little research ahead of your trip.

  • It takes around 35 minutes if you're travelling by public transport.

How to find the cheapest flights from Washington DC to Sonoma County Airport (STS)

  • The cheapest price we've found for a one-way ticket from Washington DC to Sonoma County Airport is RM957. For a return flight on this route, the best price is RM1,767. Depending on the availability when you book, these fares could change.

  • Don't leave everything to the last moment. You're more likely to walk away with cheap flights from Washington DC to STS if you book early. Airlines often offer some fantastic early bird discounts.

  • The 'Whole month' tool shows you the cheapest Washington DC to Sonoma County Airport tickets throughout the month. It's an easy way to snap up a bargain if your travel plans are flexible.

  • You don't need to check every day to find out if fares have dropped when you set up a Price Alert. We'll notify you the moment there's a better deal on plane tickets from Washington DC to STS.

  • Uncover a great deal on a flight from Washington DC to Sonoma County Airport with the help of the filters. Pick your preferred departure and arrival times, number of stops and airlines. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest.'

The best time to fly from Washington DC to Sonoma County Airport (STS)

  • May is the quietest month for flights from Washington DC to Sonoma County Airport (STS), while October is the busiest. Find the best time to visit Santa Rosa based on whether you want a bustling atmosphere or a more laid-back vibe.

  • Before locking in your Washington DC to STS plane ticket, consider what kind of weather works for you. August is the warmest month in Santa Rosa, with temperatures ranging from 11ºC (52ºF) to 29ºC (84ºF).

  • If you want to travel in cooler conditions, search for a cheap ticket from Washington DC to Sonoma County Airport in February when temperatures are between 2ºC (36ºF) and 19ºC (66ºF).

More about Santa Rosa

Explore more of the United States

  • San Jose is just one of the many places in the United States waiting to be discovered once you've seen Santa Rosa. Around 153 kilometres away to the south-east, popular attractions include Japantown (San Jose), Winchester Mystery House and The Tech Museum of Innovation.

  • Around 113 kilometres east of Santa Rosa, Sacramento is another favourite stop in the United States. Start your sightseeing at Old Sacramento Waterfront, Fright Planet - America's Haunted Theme Park and California State Railroad Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.