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Santa Rosa

$166+ Cheap flights from Dulles Intl (IAD) to Santa Rosa (STS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — STS
Jun 19 — Jun 261
Thu 6/19
Thu 6/26
1 adult, Economy
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Cheap flight deals from Dulles Intl to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Santa Rosa (STS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 14, 2025.

Round-trip from

$332
(Alaska Airlines)

One-way from

$166
(Alaska Airlines)

Popular in

June

Cheapest in

November

Average price

$793
From Washington, D.C. Dulles Intl to Santa Rosa Sonoma County
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One-way flight from Washington, D.C. Dulles Intl to Santa Rosa Sonoma County
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Highest demand for flights based on searches. 7% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Dulles Intl to Santa Rosa

Cheapest flights from Dulles Intl to Santa Rosa
Explore the most affordable flight options available from Dulles Intl to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/35:52 pmIAD - STS
1 stop8h 58mAlaska Airlines
Wed 9/107:52 pmSTS - IAD
1 stop17h 55mAlaska Airlines
Deal found 6/13$332
This Hawaiian Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/145:25 pmIAD - STS
1 stop9h 25mHawaiian Airlines
Sat 8/166:00 amSTS - IAD
1 stop9h 59mHawaiian Airlines
Deal found 6/13$450
This American Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:06 amIAD - STS
2 stops13h 47mAmerican Airlines
Sun 10/194:17 pmSTS - IAD
2 stops13h 25mAmerican Airlines
Deal found 6/12$789

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Santa Rosa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 14, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Santa Rosa that are best for you.

Fly from

Dulles Intl

Fly to

Santa Rosa

Route

Depart

Return

Price

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Wed 9/3

5:52 pm-11:50 pm

1 stop8h 58m

Santa Rosa Sonoma County

Wed 9/10

7:52 pm-4:47 pm

1 stop17h 55m

$332

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Thu 8/14

5:25 pm-11:50 pm

1 stop9h 25m

Santa Rosa Sonoma County

Sat 8/16

6:00 am-6:59 pm

1 stop9h 59m

$450

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Fri 10/17

5:06 am-3:53 pm

2 stops13h 47m

Santa Rosa Sonoma County

Sun 10/19

4:17 pm-8:42 am

2 stops13h 25m

$789

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Wed 9/3

5:52 pm-11:50 pm

1 stop8h 58m

$166

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Sat 9/13

7:00 am-1:36 pm

1 stop9h 36m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Dulles Intl to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Santa Rosa

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Santa Rosa?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Santa Rosa (average of $202). Flying from Washington, D.C. Dulles Intl Airport to Santa Rosa in June is currently the most expensive (average of $395). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Santa Rosa by month

Plan your trip to Santa Rosa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santa Rosa ranges from 0.0 - 7.1 inches per month. January is typically the wettest month, when rainfall can reach 7.1 in. July is typically the driest time to visit Santa Rosa when rainfall is around 0.0 in.

Temperature in Santa Rosa by month

Plan your trip to Santa Rosa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santa Rosa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

Reviews of airlines servicing Santa Rosa

Get insights into the airlines that provide service to Santa Rosa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santa Rosa. Reviews last updated June 14, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,499 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Santa Rosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Santa Rosa from Washington, D.C. Dulles Intl?

    Most people fly into Santa Rosa Sonoma County (STS) if they book a flight to Santa Rosa from Washington, D.C. Dulles Intl. On average, Sonoma County has 0 inbound flights from Washington, D.C. Dulles Intl per day from 2 airlines. Santa Rosa Sonoma County is conveniently located just 7.2 mi from Santa Rosa’s city center.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Santa Rosa round-trip?

    Flying on Alaska Airlines is currently your cheapest option to Santa Rosa, with prices starting at $332. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and American Airlines, with the lowest prices starting at $450 and $909, respectively. These flights start at 43% lower than the current average price 3 months from now.

  • Can I find deals for flights from Dulles Intl to Santa Rosa that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Santa Rosa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Santa Rosa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Santa Rosa.

  • Can I find deals for business class flights from Dulles Intl to Santa Rosa?

    Yes. Cheapflights offers flight deals from Dulles Intl to Santa Rosa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Santa Rosa?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Santa Rosa (average of $202). Flying from Washington, D.C. Dulles Intl Airport to Santa Rosa in June is currently the most expensive (average of $395). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Fort Bragg
Ukiah

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Alternative routes for Dulles Intl to Santa Rosa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Dulles Intl to Santa Rosa

Discover the top 2 airlines that operate flights from Dulles Intl to Santa Rosa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$431Average$562FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$693Average$793FlexibilityNo cancel feeOn-time71%

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