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 $337. Another airline that can offer you cheap pricing is American Airlines.

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 24 days before your planned departure. Booking around this time can save you about 49% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $464 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $628.

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

September can be a great time to fly to Washington, D.C. Dulles Intl Airport from Santa Rosa with a flight ticket averaging about $464. Cheapflights users have found deals in the month of September for as cheap as $159. 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 2 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.

$166+ Save on 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	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$337 (Alaska Airlines)
One-way from	$166 (Alaska Airlines)
Popular in	June
Cheapest in	September
Average price	$446

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. 8% potential increase in price ($44 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in February 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 February 20, 2025.

Tue 4/157:00 amSTS - IAD

1 stop7h 22mAlaska Airlines

Tue 4/225:38 pmIAD - STS

1 stop20h 26mAlaska Airlines

Deal found 2/19

$337

Mon 5/512:30 pmSTS - IAD

1 stop7h 25mAmerican Airlines

Fri 5/96:18 amIAD - STS

1 stop8h 26mAmerican Airlines

Deal found 2/20

$417

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 February 20, 2025.

Tue 4/157:00 amSTS - IAD

1 stop7h 22mAlaska Airlines

Tue 4/225:38 pmIAD - STS

1 stop20h 26mAlaska Airlines

Deal found 2/19

$337

Mon 5/512:30 pmSTS - IAD

1 stop7h 25mAmerican Airlines

Fri 5/96:18 amIAD - STS

1 stop8h 26mAmerican Airlines

Deal found 2/20

$417

Last-minute flights from Santa Rosa to Dulles Intl
Discover last-minute flight deals from Santa Rosa to Dulles Intl. Data last updated February 20, 2025 and is based on user searches.

Thu 3/207:00 amSTS - IAD

2 stops19h 40mAlaska Airlines

Tue 4/17:31 amIAD - STS

1 stop9h 52mAlaska Airlines

Deal found 2/20

$338

Sat 3/227:00 amSTS - IAD

2 stops12h 14mAmerican Airlines

Sat 3/296:18 amIAD - STS

2 stops12h 34mAmerican Airlines

Deal found 2/20

$1,552

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 February 20, 2025.

Wed 3/197:00 amSTS - IAD

1 stop7h 22mAlaska Airlines

Deal found 2/19

$166

Sun 4/136:28 amSTS - IAD

1 stop7h 30mHawaiian Airlines

Deal found 2/19

$244

Find flights from Santa Rosa to Dulles Intl within your budget

Fly from

Fly to

Route

Depart

Return

Price

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 4/15

7:00 am-5:22 pm

1 stop7h 22m

Washington, D.C. Dulles Intl

Tue 4/22

5:38 pm-11:04 am

1 stop20h 26m

$337

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Mon 5/5

12:30 pm-10:55 pm

1 stop7h 25m

Washington, D.C. Dulles Intl

Fri 5/9

6:18 am-11:44 am

1 stop8h 26m

$417

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Wed 3/19

7:00 am-5:22 pm

1 stop7h 22m

$166

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Sun 4/13

6:28 am-4:58 pm

1 stop7h 30m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Most accurate provider: When it comes to deals on Santa Rosa-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from Santa Rosa to Dulles Intl

Get recent, data-driven insights about flights from Santa Rosa to Dulles Intl including ideal travel times, pricing trends, and more.

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 $389). 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

9,697 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

9,697 reviews

Alaska Airlines

8.0

Very good

9,697 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

2,317 reviews

Alaska Airlines

8.0

Very good

9,697 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

9,697 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 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 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 $337. Another airline that can offer you cheap pricing is American Airlines.
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 $389). 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

Arlington

Alexandria

Fairfax

Springfield

Rockville

Tysons

Gaithersburg

Silver Spring

Fredericksburg

Linthicum Heights

Laurel

Falls Church

Woodbridge

Sterling

Easton

Herndon

Bowie

Reston

National Harbor

Oxon Hill

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Top 2 airlines flying from Santa Rosa to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$318	Average$547	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$388	Average$519	FlexibilityNo cancel fee	On-time75%

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$166+ 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 3/19. 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 February 20, 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 February 20, 2025.

Find flights from Santa Rosa to Dulles Intl within your budget

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.

Travel insights for flights from Santa Rosa to Dulles Intl

Get recent, data-driven insights about flights from Santa Rosa to Dulles Intl including ideal travel times, pricing trends, and more.

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?

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 2 airlines 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 February 20, 2025.