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

Cheapflights users have booked flights from Santa Rosa to Washington, D.C. Dulles Intl Airport round-trip from $400. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from $433, and American Airlines, from $679.

What are the cheapest airlines to fly from Santa Rosa to Washington, D.C. Dulles Intl Airport one-way?

For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $182. Users have also found prices from $277 and $936 on Hawaiian Airlines and American Airlines, respectively.

What is the cheapest day to fly from Santa Rosa to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Santa Rosa to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Santa Rosa to Washington, D.C. Dulles Intl Airport?

Travelers have found that booking a Monday departure is the best way to save up to 29% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Santa Rosa to Washington, D.C. Dulles Intl Airport?

To save on the cost of your flight from Santa Rosa to Washington, D.C. Dulles Intl Airport, book at least 31 days before your planned departure. Booking around this time can save you about 51% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $451 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $621.

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

February can be a great time to fly to Washington, D.C. Dulles Intl Airport from Santa Rosa with a flight ticket averaging about $446. Cheapflights users have found deals in the month of February for as cheap as $157. The most expensive prices can be found in the month of June.

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 1 airline. 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.

$182+ Flights from Santa Rosa to Washington, D.C. Dulles Intl Airport

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1. Tell us where you want to go

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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	$400 (Alaska Airlines)
One-way from	$182 (Alaska Airlines)
Popular in	June
Cheapest in	February
Average price	$447

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.

Search Deals

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($43 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 15, 2025.

Mon 10/271:30 pmSTS - IAD

1 stop24h 20mAlaska Airlines

Thu 10/307:00 amIAD - STS

2 stops18h 35mAlaska Airlines

Deal found 4/15

$388

Tue 5/66:00 amSTS - IAD

1 stop7h 38mHawaiian Airlines

Thu 5/85:00 pmIAD - STS

1 stop9h 39mHawaiian Airlines

Deal found 4/14

$433

Thu 5/1512:24 pmSTS - IAD

1 stop7h 33mAmerican Airlines

Sun 5/186:17 amIAD - STS

1 stop8h 27mAmerican Airlines

Deal found 4/15

$679

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 April 15, 2025.

Tue 5/612:37 pmSTS - IAD

2 stops32h 21mAlaska Airlines

Thu 5/86:30 amIAD - STS

2 stops18h 03mAlaska Airlines

Deal found 4/14

$400

Tue 5/66:00 amSTS - IAD

1 stop7h 38mHawaiian Airlines

Thu 5/85:00 pmIAD - STS

1 stop9h 39mHawaiian Airlines

Deal found 4/14

$433

Thu 5/1512:24 pmSTS - IAD

1 stop7h 33mAmerican Airlines

Sun 5/186:17 amIAD - STS

1 stop8h 27mAmerican Airlines

Deal found 4/15

$679

Last-minute flights from Santa Rosa to Dulles Intl
Discover last-minute flight deals from Santa Rosa to Dulles Intl. Data last updated April 15, 2025 and is based on user searches.

Fri 4/2512:37 pmSTS - IAD

2 stops24h 23mAlaska Airlines

Tue 5/65:00 pmIAD - STS

1 stop9h 39mAlaska Airlines

Deal found 4/14

$444

Tue 5/612:37 pmSTS - IAD

2 stops32h 21mAlaska Airlines

Thu 5/86:30 amIAD - STS

2 stops18h 03mAlaska Airlines

Deal found 4/14

$400

Tue 5/66:00 amSTS - IAD

1 stop7h 38mHawaiian Airlines

Thu 5/85:00 pmIAD - STS

1 stop9h 39mHawaiian Airlines

Deal found 4/14

$433

Thu 5/1512:24 pmSTS - IAD

1 stop7h 33mAmerican Airlines

Sun 5/186:17 amIAD - STS

1 stop8h 27mAmerican Airlines

Deal found 4/15

$679

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 April 15, 2025.

Tue 6/107:00 amSTS - IAD

2 stops21h 36mAlaska Airlines

Deal found 4/13

$182

Sun 5/46:00 amSTS - IAD

1 stop8h 59mHawaiian Airlines

Deal found 4/15

$277

Tue 4/224:17 pmSTS - IAD

2 stops13h 21mAmerican Airlines

Deal found 4/15

$936

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

Tue 5/6

12:37 pm-11:58 pm

2 stops32h 21m

Washington, D.C. Dulles Intl

Thu 5/8

6:30 am-9:33 pm

2 stops18h 03m

$400

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 5/6

6:00 am-4:38 pm

1 stop7h 38m

Washington, D.C. Dulles Intl

Thu 5/8

5:00 pm-11:39 pm

1 stop9h 39m

$433

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Thu 5/15

12:24 pm-10:57 pm

1 stop7h 33m

Washington, D.C. Dulles Intl

Sun 5/18

6:17 am-11:44 am

1 stop8h 27m

$679

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 6/10

7:00 am-7:36 am

2 stops21h 36m

$182

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Sun 5/4

6:00 am-5:59 pm

1 stop8h 59m

$277

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 4/22

4:17 pm-8:38 am

2 stops13h 21m

$936

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

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 April.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars

*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, August is the cheapest month in which you can book a flight from Santa Rosa to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Santa Rosa to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 Dulles Intl by month

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.

Temperature in Dulles Intl by month

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).

Reviews of airlines servicing Dulles Intl

Alaska Airlines

8.0

Very good

9,876 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,876 reviews

Alaska Airlines

8.0

Very good

9,876 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines

7.9

Good

2,374 reviews

Alaska Airlines

8.0

Very good

9,876 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,876 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 1 airline. Santa Rosa Sonoma County is conveniently located just 7.2 mi from Santa Rosa’s city center.
What are the cheapest airlines flying from Santa Rosa to Washington, D.C. Dulles Intl Airport round-trip?
Cheapflights users have booked flights from Santa Rosa to Washington, D.C. Dulles Intl Airport round-trip from $400. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from $433, and American Airlines, from $679.
What are the cheapest airlines to fly from Santa Rosa to Washington, D.C. Dulles Intl Airport one-way?
For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $182. Users have also found prices from $277 and $936 on Hawaiian Airlines and American Airlines, respectively.
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, August is the cheapest month in which you can book a flight from Santa Rosa to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Santa Rosa to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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

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Top airline flying from Santa Rosa to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$318	Average$547	FlexibilityNo cancel fee	On-time71%

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$182+ 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 6/10. 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

3. Compare prices and book

Cheap flight deals from Santa Rosa to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 April 15, 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 April 15, 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 April.

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?

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Dulles Intl

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?

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

What are the cheapest airlines to fly from Santa Rosa to Washington, D.C. Dulles Intl Airport one-way?

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 Santa Rosa?

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Alternative routes for Santa Rosa to Dulles Intl

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Top airline flying from Santa Rosa to Dulles Intl

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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 April 15, 2025.