IAD - STS

$263 Find Cheap Flights from Washington Dulles Airport to Santa Rosa - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$403
Typical prices: $440-$450
Alaska Airlines
Sat 10/6Sat 10/13
IAD - STS • 1 stop
Cheapest one-way
$263
Typical prices: $266-$350
Alaska Airlines
Sun 9/23
IAD - STS • 2 stops
Top layover airports
Seattle/Tacoma Intl (SEA)
Cheapest • Avg $477 (round-trip)
San Diego (SAN)
Shortest trip • 7h 58m (one-way)
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Cheap Flights from Dulles Intl to Santa Rosa (IAD-STS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Santa Rosa

Tue, Oct 6 - Tue, Oct 13
Alaska Airlines Logo
7:24 pm - 9:59 amIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
17h 35m1 stop San Diego
Alaska Airlines Logo
4:35 pm - 5:50 pmSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
22h 15m1 stop San Diego
$403Alaska Airlines
Tue, Oct 6 - Tue, Oct 13
Alaska Airlines Logo
7:02 am - 7:50 pmIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
15h 48m2 stops Seattle/Tacoma Intl San Diego
Alaska Airlines Logo
4:35 pm - 5:50 pmSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
22h 15m1 stop San Diego
$408Alaska Airlines
Wed, Oct 7 - Tue, Oct 13
Alaska Airlines Logo
7:24 pm - 11:00 pmIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
30h 36m1 stop San Diego
Alaska Airlines Logo
4:35 pm - 5:50 pmSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
22h 15m1 stop San Diego
$413Alaska Airlines
Fri, Sep 11 - Wed, Sep 16
Alaska Airlines Logo
7:47 pm - 9:54 amIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
17h 07m1 stop San Diego
Alaska Airlines Logo
5:34 pm - 5:40 amSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
9h 06m1 stop Seattle/Tacoma Intl
$423Alaska Airlines
Fri, Sep 11 - Wed, Sep 16
Alaska Airlines Logo
7:47 pm - 9:54 amIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
17h 07m1 stop San Diego
Alaska Airlines Logo
6:16 am - 11:59 pmSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
14h 43m2 stops San Diego Seattle/Tacoma Intl
$428Alaska Airlines
Tue, Oct 20 - Tue, Oct 27
Alaska Airlines Logo
7:02 am - 7:50 pmIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
15h 48m2 stops Seattle/Tacoma Intl San Diego
Alaska Airlines Logo
6:19 am - 11:59 pmSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
14h 40m2 stops San Diego Seattle/Tacoma Intl
$433Alaska Airlines
Fri, Nov 6 - Sat, Nov 14
Delta Logo
6:13 am - 10:41 amIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
7h 28m1 stop Salt Lake City
Delta Logo
11:29 am - 11:37 pmSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
9h 08m1 stop Salt Lake City
$441Delta
Fri, Nov 6 - Sat, Nov 14
Delta Logo
6:13 am - 10:41 amIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
7h 28m1 stop Salt Lake City
Delta Logo
11:29 am - 11:20 pmSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
8h 51m2 stops Salt Lake City Minneapolis St Paul
$446Delta
Wed, Oct 7 - Tue, Oct 13
Alaska Airlines Logo
7:02 am - 7:50 pmIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
15h 48m2 stops Seattle/Tacoma Intl San Diego
Alaska Airlines Logo
4:35 pm - 5:50 pmSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
22h 15m1 stop San Diego
$448Alaska Airlines
Thu, Oct 1 - Sat, Oct 3
Alaska Airlines Logo
7:47 pm - 9:54 amIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
17h 07m1 stop San Diego
Alaska Airlines Logo
6:19 am - 5:50 pmSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
8h 31m1 stop San Diego
$453Alaska Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Santa Rosa flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Santa Rosa with more confidence.

How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Santa Rosa?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Santa Rosa start at $403. Prices are below average for this route right now, with typical round-trip fares ranging from $440 to $450. The lowest price found in the past 5 days was $403 on Alaska Airlines.

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Key details for Washington, D.C. Dulles Intl Airport to Santa Rosa flights

Cheapest flight

$263
Flight from Washington, D.C. Dulles Intl Airport to Santa Rosa

When to book flights from Dulles Intl to Santa Rosa

Are your dates flexible? Find out the best times to travel from Dulles Intl to Santa Rosa based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to Santa Rosa flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Santa Rosa?

    Flights from Washington, D.C. Dulles Intl Airport to Santa Rosa usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Santa Rosa Sonoma County (STS).

  • What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Santa Rosa?

    Only Economy Class is available on flights from Washington, D.C. Dulles Intl Airport to Santa Rosa.

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Santa Rosa pass through?

    Connecting flights from Washington, D.C. Dulles Intl Airport to Santa Rosa most commonly pass through:

    • San Diego (SAN) - 67% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 33% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Santa Rosa?

    Yes. Being flexible with your travel dates can save you up to 29% on the Washington, D.C. Dulles Intl Airport to Santa Rosa route. Thursday is the cheapest departure day at $340 round-trip on average, while Wednesday is the most expensive at $477, a difference of $137. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from Washington, D.C. Dulles Intl Airport to Santa Rosa?

    There are currently no nonstop flights available from Washington, D.C. Dulles Intl Airport to Santa Rosa. Flights with 1 layover take between 7h 58m and 8h 54m in total, depending on the connection.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Santa Rosa?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Washington, D.C. Dulles Intl Airport to Santa Rosa changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $403 to $2,585. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Santa Rosa looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Santa Rosa are currently in line with typical prices for this route. Average one-way fares are about $293.

  • How much time can I save by choosing a different layover airport from Washington, D.C. Dulles Intl Airport to Santa Rosa?

    Flying via San Diego (SAN) gives the shortest average 1-stop total travel time at 7h 58m, compared with 8h 54m via Seattle/Tacoma Intl (SEA).

  • What is the time difference between Washington, D.C. Dulles Intl Airport and Santa Rosa?

    Santa Rosa is 3 hours behind Washington, D.C. Dulles Intl Airport (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Santa Rosa Sonoma County Airport (STS)?

    Santa Rosa Sonoma County Airport (STS) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
    · Ace
    · Dollar
    · Enterprise Rent-A-Car
    · Hertz
    · Budget

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Santa Rosa flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Santa Rosa range from $440 to $450, with an average of $440 over the past 12 months. Anything below $440 counts as a good deal.

Your guide to booking Washington, D.C. Dulles Intl Airport to Santa Rosa flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Wednesday. On this route, Thursday flights average $340 - about $137 less than Wednesday (29% savings) based on the last 12 months.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Santa Rosa Sonoma County Airport.
    - Hilton Garden Inn Sonoma County Airport

Everything you need to know for your flight from Dulles Intl to Santa Rosa

Information on your arrival and departure airports

Washington Dulles Airport (IAD)
Santa Rosa (STS)