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

According to our current data, Alaska Airlines ($314), Hawaiian Airlines ($403), and American Airlines ($525) offers the cheapest pricing from Santa Rosa to Washington, D.C.. Alaska Airlines is priced at 45% lower than the current average price of a flight leaving 3 months from now.

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

For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $163. Users have also found prices from $265 and $359 on American Airlines and Hawaiian Airlines, respectively.

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

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

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., 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 are the most popular routes from Santa Rosa to Washington, D.C.?

When deciding which route to take from Santa Rosa to Washington, D.C. consider Santa Rosa Sonoma County - Washington, D.C. Dulles Intl, Santa Rosa Sonoma County - Baltimore/Washington or Santa Rosa Sonoma County - Washington, D.C. Reagan-National as they are the most popular.

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

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Washington, D.C.. Check prices with Cheapflights to find a great deal for your trip.

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

Find a great deal and save up to 92% by booking at least 29 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Santa Rosa to Washington, D.C. within the next two weeks, with the cheapest ticket starting at $494.

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

Flights from Santa Rosa to Washington, D.C. lean towards being more expensive in December. Prices are generally better when you fly from Santa Rosa to Washington, D.C. in September, with the cheapest ticket starting at $155.

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

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

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

Santa Rosa Sonoma County (STS) is the airport you will fly out of if you book a flight from Santa Rosa to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Sonoma County; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Santa Rosa airport to Washington, D.C.. It is only a 7.2 mi journey to Sonoma County (STS) from Santa Rosa’s city center.

Can I find deals for flights from Santa Rosa to Washington, D.C. that include hotel bookings?

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

How can I find direct flights from Santa Rosa to Washington, D.C.?

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

Can I find deals for business class flights from Santa Rosa to Washington, D.C.?

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

$163+ Flights from Santa Rosa to Washington, D.C.

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Cheap flight deals from Santa Rosa to Washington, D.C.

Round-trip from	$314 (Alaska Airlines)
One-way from	$163 (Alaska Airlines)
Popular in	August
Cheapest in	March
Average price	$689

From Santa Rosa Sonoma County to Washington, D.C. (WAS)

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One-way flight from Santa Rosa Sonoma County to Washington, D.C. (WAS)

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Highest demand for flights based on searches. 29% potential increase in price ($243 potential increase over avg. RT price).

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Cheapest flight prices on average. 7% potential price decrease ($42 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Santa Rosa to Washington, D.C.

Cheapest flights from Santa Rosa to Washington, D.C.
Explore the most affordable flight options available from Santa Rosa to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Tue 10/287:45 amSTS - DCA

1 stop9h 15mAlaska Airlines

Sat 11/19:59 amDCA - STS

1 stop10h 55mAlaska Airlines

Deal found 7/29

$314

Wed 8/276:00 amSTS - IAD

1 stop7h 47mAlaska Airlines

Tue 9/25:52 pmIAD - STS

1 stop23h 35mAlaska Airlines

Deal found 7/28

$322

Tue 9/232:28 pmSTS - BWI

1 stop12h 11mHawaiian Airlines

Sat 9/277:00 amBWI - STS

1 stop9h 36mHawaiian Airlines

Deal found 7/28

$403

Tue 9/233:07 pmSTS - BWI

2 stops11h 32mAlaska Airlines

Sat 9/277:00 amBWI - STS

1 stop9h 36mAlaska Airlines

Deal found 7/28

$404

Sat 8/3012:17 pmSTS - DCA

1 stop7h 43mAmerican Airlines

Sat 9/66:45 amDCA - STS

1 stop8h 10mAmerican Airlines

Deal found 7/29

$525

Sat 8/3012:17 pmSTS - BWI

1 stop7h 45mAmerican Airlines

Sat 9/66:41 amBWI - STS

1 stop8h 14mAmerican Airlines

Deal found 7/29

$621

Tue 9/231:00 pmSTS - IAD

2 stops18h 57mAmerican Airlines

Sat 9/276:25 amIAD - STS

1 stop8h 30mAmerican Airlines

Deal found 7/27

$715

Fri 12/58:00 amSTS - DCA

1 stop9h 55mHawaiian Airlines

Fri 12/198:59 amDCA - STS

1 stop8h 45mHawaiian Airlines

Deal found 7/29

$918

Best flights from Santa Rosa to Washington, D.C.
Discover carefully curated flight deals from Santa Rosa to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2025.

Tue 10/287:45 amSTS - DCA

1 stop9h 15mAlaska Airlines

Sat 11/19:59 amDCA - STS

1 stop10h 55mAlaska Airlines

Deal found 7/29

$314

Tue 9/232:28 pmSTS - BWI

1 stop12h 11mHawaiian Airlines

Sat 9/277:00 amBWI - STS

1 stop9h 36mHawaiian Airlines

Deal found 7/28

$403

Sat 8/3012:17 pmSTS - DCA

1 stop7h 43mAmerican Airlines

Sat 9/66:45 amDCA - STS

1 stop8h 10mAmerican Airlines

Deal found 7/29

$525

Wed 8/276:00 amSTS - IAD

1 stop7h 47mAlaska Airlines

Tue 9/25:52 pmIAD - STS

1 stop23h 35mAlaska Airlines

Deal found 7/28

$322

Tue 9/237:03 amSTS - BWI

2 stops19h 36mAlaska Airlines

Sat 9/277:00 amBWI - STS

1 stop9h 36mAlaska Airlines

Deal found 7/29

$404

Sat 8/3012:17 pmSTS - BWI

1 stop7h 45mAmerican Airlines

Sat 9/66:41 amBWI - STS

1 stop8h 14mAmerican Airlines

Deal found 7/29

$621

Tue 9/231:00 pmSTS - IAD

2 stops18h 57mAmerican Airlines

Sat 9/276:25 amIAD - STS

1 stop8h 30mAmerican Airlines

Deal found 7/27

$715

Fri 12/58:00 amSTS - DCA

1 stop9h 55mHawaiian Airlines

Fri 12/198:59 amDCA - STS

1 stop8h 45mHawaiian Airlines

Deal found 7/29

$918

Last-minute flights from Santa Rosa to Washington, D.C.
Discover last-minute flight deals from Santa Rosa to Washington, D.C.. Data last updated July 30, 2025 and is based on user searches.

Tue 8/57:00 amSTS - DCA

1 stop11h 42mAlaska Airlines

Wed 8/69:59 amDCA - STS

1 stop11h 08mAlaska Airlines

Deal found 7/29

$882

Tue 8/57:12 amSTS - BWI

1 stop7h 58mAlaska Airlines

Wed 8/67:51 amBWI - STS

1 stop8h 34mAlaska Airlines

Deal found 7/28

$988

Wed 8/610:00 amSTS - IAD

2 stops18h 27mAlaska Airlines

Wed 8/138:19 pmIAD - STS

1 stop30h 25mAlaska Airlines

Deal found 7/28

$625

Sat 8/94:17 pmSTS - BWI

2 stops14h 44mAmerican Airlines

Sat 8/165:02 amBWI - STS

2 stops13h 45mAmerican Airlines

Deal found 7/29

$702

Sat 8/94:17 pmSTS - DCA

1 stop11h 43mAmerican Airlines

Thu 8/1410:24 amDCA - STS

1 stop8h 23mAmerican Airlines

Deal found 7/30

$2,143

Wed 8/276:00 amSTS - IAD

1 stop7h 47mAlaska Airlines

Tue 9/25:52 pmIAD - STS

1 stop23h 35mAlaska Airlines

Deal found 7/28

$322

Wed 8/276:00 amSTS - DCA

1 stop12h 59mAlaska Airlines

Tue 9/28:00 amDCA - STS

1 stop15h 23mAlaska Airlines

Deal found 7/28

$382

Wed 8/277:00 amSTS - BWI

1 stop8h 22mAlaska Airlines

Tue 9/27:00 amBWI - STS

1 stop9h 36mAlaska Airlines

Deal found 7/28

$546

Sat 8/3012:17 pmSTS - DCA

1 stop7h 43mAmerican Airlines

Sat 9/66:45 amDCA - STS

1 stop8h 10mAmerican Airlines

Deal found 7/29

$525

Sat 8/3012:17 pmSTS - BWI

1 stop7h 45mAmerican Airlines

Sat 9/66:41 amBWI - STS

1 stop8h 14mAmerican Airlines

Deal found 7/29

$621

One-way flights from Santa Rosa to Washington, D.C.
Search for one-way flight options from Santa Rosa to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated July 30, 2025.

Wed 8/207:52 pmSTS - IAD

1 stop17h 55mAlaska Airlines

Deal found 7/29

$163

Wed 9/33:07 pmSTS - BWI

2 stops11h 32mAlaska Airlines

Deal found 7/29

$197

Wed 8/206:00 amSTS - DCA

1 stop12h 59mAlaska Airlines

Deal found 7/29

$227

Wed 8/2012:17 pmSTS - BWI

1 stop7h 45mAmerican Airlines

Deal found 7/29

$265

Mon 9/16:00 amSTS - IAD

1 stop7h 52mHawaiian Airlines

Deal found 7/28

$359

Mon 9/14:17 pmSTS - IAD

2 stops14h 36mAmerican Airlines

Deal found 7/28

$410

Fri 8/154:17 pmSTS - DCA

2 stops14h 07mAmerican Airlines

Deal found 7/29

$520

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Tue 10/28

7:45 am-8:00 pm

1 stop9h 15m

Washington, D.C. Reagan-National

Sat 11/1

9:59 am-5:54 pm

1 stop10h 55m

$314

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Wed 8/27

6:00 am-4:47 pm

1 stop7h 47m

Washington, D.C. Dulles Intl

Tue 9/2

5:52 pm-2:27 pm

1 stop23h 35m

$322

Santa RosaBaltimore

STS - BWI

STSBWI

Santa Rosa Sonoma County

Tue 9/23

2:28 pm-5:39 am

1 stop12h 11m

Baltimore/Washington

Sat 9/27

7:00 am-1:36 pm

1 stop9h 36m

$403

Santa RosaBaltimore

STS - BWI

STSBWI

Santa Rosa Sonoma County

Tue 9/23

7:03 am-5:39 am

2 stops19h 36m

Baltimore/Washington

Sat 9/27

7:00 am-1:36 pm

1 stop9h 36m

$404

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Sat 8/30

12:17 pm-11:00 pm

1 stop7h 43m

Washington, D.C. Reagan-National

Sat 9/6

6:45 am-11:55 am

1 stop8h 10m

$525

Santa RosaBaltimore

STS - BWI

STSBWI

Santa Rosa Sonoma County

Sat 8/30

12:17 pm-11:02 pm

1 stop7h 45m

Baltimore/Washington

Sat 9/6

6:41 am-11:55 am

1 stop8h 14m

$621

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 9/23

1:00 pm-10:57 am

2 stops18h 57m

Washington, D.C. Dulles Intl

Sat 9/27

6:25 am-11:55 am

1 stop8h 30m

$715

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Fri 12/5

8:00 am-8:55 pm

1 stop9h 55m

Washington, D.C. Reagan-National

Fri 12/19

8:59 am-2:44 pm

1 stop8h 45m

$918

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Wed 8/20

7:52 pm-4:47 pm

1 stop17h 55m

$163

Santa RosaBaltimore

STS - BWI

STSBWI

Santa Rosa Sonoma County

Wed 9/3

3:07 pm-5:39 am

2 stops11h 32m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 15 results

Best time to book a flight from Santa Rosa to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

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

Currently, August is the cheapest month in which you can book a flight from Santa Rosa to Washington, D.C. (average of $241). Flying from Santa Rosa to Washington, D.C. in March 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.

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Santa Rosa to Washington, D.C., such as Alaska Airlines, Hawaiian Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

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

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

2,611 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

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

What airport do you fly from for flights from Santa Rosa to Washington, D.C.?
Santa Rosa Sonoma County (STS) is the airport you will fly out of if you book a flight from Santa Rosa to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Sonoma County; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Santa Rosa airport to Washington, D.C.. It is only a 7.2 mi journey to Sonoma County (STS) from Santa Rosa’s city center.
What are the cheapest airlines flying from Santa Rosa to Washington, D.C. round-trip?
According to our current data, Alaska Airlines ($314), Hawaiian Airlines ($403), and American Airlines ($525) offers the cheapest pricing from Santa Rosa to Washington, D.C.. Alaska Airlines is priced at 45% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Santa Rosa to Washington, D.C. one-way?
For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $163. Users have also found prices from $265 and $359 on American Airlines and Hawaiian Airlines, respectively.
What are the most popular routes from Santa Rosa to Washington, D.C.?
When deciding which route to take from Santa Rosa to Washington, D.C. consider Santa Rosa Sonoma County - Washington, D.C. Dulles Intl, Santa Rosa Sonoma County - Baltimore/Washington or Santa Rosa Sonoma County - Washington, D.C. Reagan-National as they are the most popular.
Can I find deals for flights from Santa Rosa to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Santa Rosa to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Santa Rosa to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Rosa to Washington, D.C..
Can I find deals for business class flights from Santa Rosa to Washington, D.C.?
Yes. Cheapflights offers flight deals from Santa Rosa to Washington, D.C. 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.?
Currently, August is the cheapest month in which you can book a flight from Santa Rosa to Washington, D.C. (average of $241). Flying from Santa Rosa to Washington, D.C. in March 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.

See more FAQs

Woodbridge

Arlington

Alexandria

Tysons

Silver Spring

Fredericksburg

Gaithersburg

Towson

Linthicum Heights

Easton

Fairfax

Manassas

Falls Church

Waldorf

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Rockville

Oxon Hill

National Harbor

Dundalk

Bowie

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Top 2 airlines flying from Santa Rosa to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$290	Average$677	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$320	Average$487	FlexibilityNo cancel fee	On-time75%

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$163+ Cheap flights from Santa Rosa (STS) to Washington, D.C. (WAS)

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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Santa Rosa to Washington, D.C.

Round-trip from

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Popular in

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Average price

Find flight deals from Santa Rosa to Washington, D.C.

Cheapest flights from Santa Rosa to Washington, D.C.Explore the most affordable flight options available from Santa Rosa to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Explore the most affordable flight options available from Santa Rosa to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Santa Rosa to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

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

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Santa Rosa to Washington, D.C., such as Alaska Airlines, Hawaiian Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

What are the most popular routes from Santa Rosa to Washington, D.C.?

Can I find deals for flights from Santa Rosa to Washington, D.C. that include hotel bookings?

How can I find direct flights from Santa Rosa to Washington, D.C.?

Can I find deals for business class flights from Santa Rosa to Washington, D.C.?

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

Traveling to a place near Washington, D.C.?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Santa Rosa to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Santa Rosa to Washington, D.C.

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Cheapest flights from Santa Rosa to Washington, D.C.
Explore the most affordable flight options available from Santa Rosa to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.