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

A quick flight from Santa Rosa to Washington, D.C. Dulles Intl Airport can take about 7h 27m. Hawaiian Airlines provides one of the quickest options available for as low as $355. Santa Rosa and Washington, D.C. Dulles Intl Airport are separated by a distance of 2418 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from STS to IAD?

When flying from Santa Rosa to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Santa Rosa-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Santa Rosa-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Santa Rosa-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Santa Rosa-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santa Rosa-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

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

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

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

$207+ Flights from Santa Rosa to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Santa Rosa to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$355 (Hawaiian Airlines)
One-way from	$207 (Alaska Airlines)
Popular in	December
Cheapest in	February
Average price	$417

Provider with most accurate pricing for Santa Rosa Sonoma County-Washington, D.C. Dulles Intl flight deals.

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Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Washington, D.C. Dulles Intl flights.

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From Santa Rosa Sonoma County to Washington, D.C. Dulles Intl

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One-way flight from Santa Rosa Sonoma County to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 7% potential increase in price ($34 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

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Average for round-trip flights in October 2025

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Find flight deals from Santa Rosa to Dulles Intl

Cheapest flights from Santa Rosa to Dulles Intl
Explore the most affordable flight options available from Santa Rosa to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

Wed 12/36:43 pmSTS - IAD

1 stop19h 47mAlaska Airlines

Tue 12/95:37 pmIAD - STS

1 stop8h 17mAlaska Airlines

Deal found 10/27

$360

Thu 12/46:43 pmSTS - IAD

1 stop19h 47mAlaska Airlines

Sat 12/65:37 pmIAD - STS

1 stop8h 17mAlaska Airlines

Deal found 10/27

$375

Thu 12/46:43 pmSTS - IAD

1 stop19h 47mAlaska Airlines

Wed 12/105:37 pmIAD - STS

1 stop8h 17mAlaska Airlines

Deal found 10/28

$376

Fri 12/57:55 pmSTS - IAD

1 stop17h 41mAlaska Airlines

Tue 12/97:34 amIAD - STS

1 stop17h 18mAlaska Airlines

Deal found 10/27

$382

Fri 12/57:55 pmSTS - IAD

1 stop17h 41mAlaska Airlines

Thu 12/117:34 amIAD - STS

1 stop8h 55mAlaska Airlines

Deal found 10/27

$392

Mon 11/246:35 amSTS - IAD

1 stop7h 42mAlaska Airlines

Wed 12/35:37 pmIAD - STS

1 stop8h 17mAlaska Airlines

Deal found 10/27

$504

Fri 12/196:45 amSTS - IAD

1 stop7h 36mAlaska Airlines

Fri 1/26:29 pmIAD - STS

1 stop8h 30mAlaska Airlines

Deal found 10/27

$516

Fri 12/196:45 amSTS - IAD

1 stop7h 36mAlaska Airlines

Sat 1/36:29 pmIAD - STS

1 stop8h 30mAlaska Airlines

Deal found 10/26

$552

Mon 12/17:43 pmSTS - IAD

1 stop18h 47mAlaska Airlines

Wed 12/105:37 pmIAD - STS

1 stop8h 17mAlaska Airlines

Deal found 10/26

$565

Best flights from Santa Rosa to Dulles Intl
Discover carefully curated flight deals from Santa Rosa to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.

Fri 2/276:58 amSTS - IAD

1 stop7h 27mHawaiian Airlines

Tue 3/35:51 pmIAD - STS

1 stop7h 55mHawaiian Airlines

Deal found 10/27

$355

Sat 12/68:00 amSTS - IAD

1 stop11h 05mAlaska Airlines

Wed 12/105:37 pmIAD - STS

1 stop8h 17mAlaska Airlines

Deal found 10/27

$375

Sat 12/68:00 amSTS - IAD

1 stop11h 05mAlaska Airlines

Tue 12/95:37 pmIAD - STS

1 stop8h 17mAlaska Airlines

Deal found 10/27

$375

Thu 12/46:43 pmSTS - IAD

1 stop19h 47mAlaska Airlines

Sat 12/65:37 pmIAD - STS

1 stop8h 17mAlaska Airlines

Deal found 10/27

$375

Thu 12/46:43 pmSTS - IAD

1 stop19h 47mAlaska Airlines

Wed 12/105:37 pmIAD - STS

1 stop8h 17mAlaska Airlines

Deal found 10/28

$376

Fri 12/52:21 pmSTS - IAD

1 stop23h 15mAlaska Airlines

Wed 12/107:34 amIAD - STS

1 stop8h 55mAlaska Airlines

Deal found 10/27

$382

Fri 12/52:21 pmSTS - IAD

1 stop23h 15mAlaska Airlines

Sun 12/77:34 amIAD - STS

1 stop8h 55mAlaska Airlines

Deal found 10/27

$392

Fri 2/278:00 amSTS - IAD

2 stops18h 55mAlaska Airlines

Tue 3/35:51 pmIAD - STS

1 stop7h 55mAlaska Airlines

Deal found 10/25

$396

Last-minute flights from Santa Rosa to Dulles Intl
Discover last-minute flight deals from Santa Rosa to Dulles Intl. Data last updated October 28, 2025 and is based on user searches.

Wed 11/56:49 amSTS - IAD

1 stop7h 24mAlaska Airlines

Mon 11/105:40 pmIAD - STS

1 stop9h 17mAlaska Airlines

Deal found 10/27

$763

Wed 11/1210:50 amSTS - IAD

2 stops27h 23mAlaska Airlines

Sun 11/165:40 pmIAD - STS

1 stop25h 22mAlaska Airlines

Deal found 10/27

$603

Thu 11/136:49 amSTS - IAD

1 stop7h 24mAlaska Airlines

Mon 11/175:40 pmIAD - STS

1 stop9h 17mAlaska Airlines

Deal found 10/28

$634

Sat 11/157:46 pmSTS - IAD

1 stop18h 27mAlaska Airlines

Mon 11/175:40 pmIAD - STS

1 stop9h 17mAlaska Airlines

Deal found 10/28

$668

Fri 11/218:15 pmSTS - IAD

1 stop31h 03mHawaiian Airlines

Thu 11/277:38 amIAD - STS

1 stop9h 11mHawaiian Airlines

Deal found 10/28

$592

Fri 11/2111:56 amSTS - IAD

2 stops15h 22mAlaska Airlines

Thu 11/277:38 amIAD - STS

1 stop9h 11mAlaska Airlines

Deal found 10/28

$773

Sat 11/222:41 pmSTS - IAD

1 stop12h 37mAlaska Airlines

Fri 11/287:38 amIAD - STS

1 stop9h 11mAlaska Airlines

Deal found 10/28

$797

Mon 11/246:35 amSTS - IAD

1 stop7h 42mAlaska Airlines

Wed 12/35:37 pmIAD - STS

1 stop8h 17mAlaska Airlines

Deal found 10/27

$504

One-way flights from Santa Rosa to Dulles Intl
Search for one-way flight options from Santa Rosa to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 28, 2025.

Sun 11/166:49 amSTS - IAD

1 stop7h 24mAlaska Airlines

Deal found 10/26

$207

Sat 11/157:46 pmSTS - IAD

1 stop18h 27mAlaska Airlines

Deal found 10/26

$297

Thu 11/136:49 amSTS - IAD

1 stop7h 24mAlaska Airlines

Deal found 10/28

$317

Sun 11/164:23 pmSTS - IAD

2 stops14h 56mAmerican Airlines

Deal found 10/26

$375

Thu 11/134:23 pmSTS - IAD

2 stops14h 56mAmerican Airlines

Deal found 10/28

$454

Sat 11/1512:37 pmSTS - IAD

2 stops17h 04mAmerican Airlines

Deal found 10/26

$634

Fri 11/144:23 pmSTS - IAD

2 stops13h 18mAmerican Airlines

Deal found 10/28

$716

Cheapflights Fare Finder

Use the filters below to find and compare flights from Santa Rosa to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Fri 2/27

6:58 am-5:25 pm

1 stop7h 27m

Washington, D.C. Dulles Intl

Tue 3/3

5:51 pm-10:46 pm

1 stop7h 55m

$355

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Sat 12/6

8:00 am-10:05 pm

1 stop11h 05m

Washington, D.C. Dulles Intl

Wed 12/10

5:37 pm-10:54 pm

1 stop8h 17m

$375

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Sat 12/6

8:00 am-10:05 pm

1 stop11h 05m

Washington, D.C. Dulles Intl

Tue 12/9

5:37 pm-10:54 pm

1 stop8h 17m

$375

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Thu 12/4

6:43 pm-5:30 pm

1 stop19h 47m

Washington, D.C. Dulles Intl

Sat 12/6

5:37 pm-10:54 pm

1 stop8h 17m

$375

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Thu 12/4

6:43 pm-5:30 pm

1 stop19h 47m

Washington, D.C. Dulles Intl

Wed 12/10

5:37 pm-10:54 pm

1 stop8h 17m

$376

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Fri 12/5

2:21 pm-4:36 pm

1 stop23h 15m

Washington, D.C. Dulles Intl

Wed 12/10

7:34 am-1:29 pm

1 stop8h 55m

$382

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Fri 12/5

2:21 pm-4:36 pm

1 stop23h 15m

Washington, D.C. Dulles Intl

Sun 12/7

7:34 am-1:29 pm

1 stop8h 55m

$392

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Fri 2/27

8:00 am-5:55 am

2 stops18h 55m

Washington, D.C. Dulles Intl

Tue 3/3

5:51 pm-10:46 pm

1 stop7h 55m

$396

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Sun 11/16

6:49 am-5:13 pm

1 stop7h 24m

$207

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Sat 11/15

7:46 pm-5:13 pm

1 stop18h 27m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 15 results

Compare providers for flights from Santa Rosa to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santa Rosa to Dulles Intl in October.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Santa Rosa-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Santa Rosa-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Santa Rosa-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Santa Rosa-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santa Rosa-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Santa Rosa 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 Santa Rosa to Washington, D.C. Dulles Intl Airport

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

Currently, May is the cheapest month in which you can book a flight from Santa Rosa to Washington, D.C. Dulles Intl Airport (average of $118). Flying from Santa Rosa to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $290). 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.

Related info for your journey

What airport do you fly from for flights from Santa Rosa to Washington, D.C. Dulles Intl?
Most people fly from Santa Rosa Sonoma County (STS) if they book a flight from Santa Rosa to Washington, D.C. Dulles Intl. On average, Sonoma County has 0 outbound flights to Washington, D.C. Dulles Intl per day from 0 airlines. Santa Rosa Sonoma County is conveniently located just 7.2 mi from Santa Rosa’s city center.
How long is the flight from Santa Rosa to Washington, D.C. Dulles Intl Airport?
A quick flight from Santa Rosa to Washington, D.C. Dulles Intl Airport can take about 7h 27m. Hawaiian Airlines provides one of the quickest options available for as low as $355. Santa Rosa and Washington, D.C. Dulles Intl Airport are separated by a distance of 2418 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Santa Rosa to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Santa Rosa to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Santa Rosa to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Rosa to Dulles Intl.
Can I find deals for business class flights from Santa Rosa to Dulles Intl?
Yes. Cheapflights offers flight deals from Santa Rosa to Dulles Intl 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 Santa Rosa to Washington, D.C. Dulles Intl Airport?
Currently, May is the cheapest month in which you can book a flight from Santa Rosa to Washington, D.C. Dulles Intl Airport (average of $118). Flying from Santa Rosa to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $290). 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.

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$207+ Cheap flights from Santa Rosa (STS) to Dulles Intl (IAD)

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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Santa Rosa to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

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Cheap flight deals from Santa Rosa to Dulles Intl

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Find flight deals from Santa Rosa to Dulles Intl

Cheapest flights from Santa Rosa to Dulles IntlExplore the most affordable flight options available from Santa Rosa to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

Explore the most affordable flight options available from Santa Rosa to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Santa Rosa to Washington, D.C. Dulles Intl Airport that are best for you.

Compare providers for flights from Santa Rosa to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santa Rosa to Dulles Intl in October.

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

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Santa Rosa with our price prediction graph.

Cheapflights Insights

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

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

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to Dulles Intl. 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 from for flights from Santa Rosa to Washington, D.C. Dulles Intl?

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

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

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

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

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

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

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Cheapest flights from Santa Rosa to Dulles Intl
Explore the most affordable flight options available from Santa Rosa to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.