STS - IAD

$181 Find Cheap Flights from Santa Rosa to Washington Dulles Airport - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$361
Typical prices: $446-$555
Alaska Airlines
Wed 11/14Sun 11/18
STS - IAD • 1 stop
Cheapest one-way
$181
Typical prices: $307-$389
Delta
Sun 11/18
STS - IAD • 1 stop
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Flight Deals

Cheap Flights from Santa Rosa to Dulles Intl (STS-IAD)

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

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

Sat, Nov 14 - Wed, Nov 18
Alaska Airlines Logo
5:23 pm - 5:44 amSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
9h 21m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:46 pm - 9:48 amIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
18h 02m1 stop San Diego
$361Alaska Airlines
Sat, Nov 14 - Wed, Nov 18
Delta Logo
11:29 am - 11:21 pmSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
8h 52m2 stops Salt Lake City Minneapolis St Paul
Delta Logo
7:25 am - 4:06 pmIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
11h 41m2 stops Minneapolis St Paul Salt Lake City
$372Delta
Tue, Dec 8 - Tue, Dec 15
Alaska Airlines Logo
1:10 pm - 5:39 pmSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
25h 29m2 stops Las Vegas Harry Reid Intl San Diego
Alaska Airlines Logo
7:00 am - 4:45 pmIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
12h 45m2 stops Seattle/Tacoma Intl Las Vegas Harry Reid Intl
$393Alaska Airlines
Tue, Dec 8 - Tue, Dec 15
Alaska Airlines Logo
1:10 pm - 5:39 pmSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
25h 29m2 stops Las Vegas Harry Reid Intl San Diego
Alaska Airlines Logo
6:42 pm - 4:45 pmIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
25h 03m2 stops San Diego Las Vegas Harry Reid Intl
$403Alaska Airlines
Tue, Dec 8 - Tue, Dec 15
Alaska Airlines Logo
6:28 am - 5:39 pmSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
8h 11m1 stop San Diego
Alaska Airlines Logo
7:00 am - 4:45 pmIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
12h 45m2 stops Seattle/Tacoma Intl Las Vegas Harry Reid Intl
$408Alaska Airlines
Tue, Dec 8 - Tue, Dec 15
Alaska Airlines Logo
4:25 pm - 5:39 pmSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
22h 14m1 stop San Diego
Alaska Airlines Logo
7:00 am - 4:45 pmIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
12h 45m2 stops Seattle/Tacoma Intl Las Vegas Harry Reid Intl
$418Alaska Airlines
Wed, Nov 4 - Mon, Nov 9
Alaska Airlines Logo
5:23 pm - 5:44 amSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
9h 21m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:17 pm - 11:08 pmIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
8h 51m1 stop Seattle/Tacoma Intl
$423Alaska Airlines
Sat, Nov 14 - Wed, Nov 18
Alaska Airlines Logo
5:23 pm - 5:44 amSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
9h 21m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:46 am - 10:38 pmIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
17h 52m2 stops Seattle/Tacoma Intl San Diego
$427Alaska Airlines
Wed, Oct 21 - Tue, Oct 27
Delta Logo
4:49 pm - 9:19 amSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
13h 30m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
6:13 am - 10:41 amIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
7h 28m1 stop Salt Lake City
$428Delta
Mon, Nov 2 - Tue, Nov 10
Delta Logo
4:49 pm - 10:10 amSTS  Santa Rosa Sonoma County-IAD Washington, D.C. Dulles Intl
14h 21m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 4:06 pmIAD  Washington, D.C. Dulles Intl-STS Santa Rosa Sonoma County
13h 06m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$433Delta
Booking Insights

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

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

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

Round-trip flights from Santa Rosa to Washington, D.C. Dulles Intl Airport start at $361. Prices are below average for this route right now, with typical round-trip fares ranging from $446 to $555. The lowest price found in the past 5 days was $361 on Alaska Airlines.

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

Cheapest flight

$181
Flight from Santa Rosa to Washington, D.C. Dulles Intl Airport

When to book flights from Santa Rosa to Dulles Intl

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

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

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

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

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

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

    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 Santa Rosa to Washington, D.C. Dulles Intl Airport 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 $361 to $2,214. That means the highest observed fare was about 6x higher than the lowest one.

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

    One-way fares from Santa Rosa to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $207, which is 47% below the typical average for this route.

  • What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

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

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

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

    Most connecting flights from Santa Rosa to Washington, D.C. Dulles Intl Airport pass through San Diego (SAN), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

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

    Yes. Being flexible with your travel dates can save you up to 57% on the Santa Rosa to Washington, D.C. Dulles Intl Airport route. Monday is the cheapest departure day at $428 round-trip on average, while Wednesday is the most expensive at $988, a difference of $560. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

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

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

Your guide to booking Santa Rosa to Washington, D.C. Dulles Intl Airport 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 Monday departure instead of Wednesday. On this route, Monday flights average $428 - about $560 less than Wednesday (57% savings) based on the last 12 months.

More options for your flight from Santa Rosa to Dulles Intl

Complete your trip to Washington, D.C. with a hotel stay or car rental

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