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

According to our current data, Alaska Airlines ($392), Hawaiian Airlines ($435), and American Airlines ($679) offers the cheapest pricing from Santa Rosa to Washington, D.C.. Alaska Airlines is priced at 29% 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 $159. Users have also found prices from $253 and $265 on Hawaiian Airlines and American 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.

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 49% by booking at least 34 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 $459.

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 February, with the cheapest ticket starting at $157.

Most accurate provider : When it comes to deals on Santa Rosa-Washington, D.C. 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. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Santa Rosa-Washington, D.C. flights, Cheapflights users trust Priceline the most. Priceline 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. 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.?

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.

$159+ Flights from Santa Rosa to Washington, D.C. - Compare & Save Big

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	Priceline 3 stars
Round-trip from	$392 (Alaska Airlines)
One-way from	$159 (Alaska Airlines)
Popular in	August
Cheapest in	March
Average price	$618

Provider with most accurate pricing for Santa Rosa Sonoma County-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Washington, D.C. (WAS) flights.

Search Deals

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($96 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($41 potential savings vs. average RT price).

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Average for round-trip flights in May 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 May 1, 2025.

Thu 9/43:07 pmSTS - BWI

2 stops11h 26mAlaska Airlines

Wed 9/107:00 amBWI - STS

2 stops15h 12mAlaska Airlines

Deal found 4/29

$392

Thu 9/47:03 amSTS - IAD

2 stops21h 29mAlaska Airlines

Wed 9/107:00 amIAD - STS

2 stops15h 12mAlaska Airlines

Deal found 4/29

$393

Fri 5/308:01 pmSTS - IAD

1 stop8h 35mHawaiian Airlines

Mon 6/25:14 pmIAD - STS

1 stop9h 39mHawaiian Airlines

Deal found 4/29

$435

Mon 5/268:01 pmSTS - DCA

1 stop17h 43mAlaska Airlines

Fri 5/309:59 amDCA - STS

1 stop16h 54mAlaska Airlines

Deal found 4/30

$495

Fri 6/2012:30 pmSTS - BWI

1 stop7h 46mAmerican Airlines

Sun 6/226:43 amBWI - STS

1 stop8h 02mAmerican Airlines

Deal found 4/30

$679

Fri 6/204:17 pmSTS - DCA

2 stops12h 23mAmerican Airlines

Sun 6/225:00 amDCA - STS

1 stop9h 45mAmerican Airlines

Deal found 4/30

$684

Thu 5/812:24 pmSTS - IAD

1 stop7h 33mAmerican Airlines

Sun 5/115:02 amIAD - STS

2 stops9h 42mAmerican Airlines

Deal found 4/30

$944

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 May 1, 2025.

Thu 9/43:07 pmSTS - BWI

2 stops11h 26mAlaska Airlines

Wed 9/107:00 amBWI - STS

2 stops15h 12mAlaska Airlines

Deal found 4/29

$392

Fri 5/308:01 pmSTS - IAD

1 stop8h 35mHawaiian Airlines

Mon 6/25:14 pmIAD - STS

1 stop9h 39mHawaiian Airlines

Deal found 4/29

$435

Fri 6/2012:30 pmSTS - BWI

1 stop7h 46mAmerican Airlines

Sun 6/226:43 amBWI - STS

1 stop8h 02mAmerican Airlines

Deal found 4/30

$679

Thu 9/47:03 amSTS - IAD

2 stops21h 29mAlaska Airlines

Wed 9/107:00 amIAD - STS

2 stops15h 12mAlaska Airlines

Deal found 4/29

$393

Mon 5/268:01 pmSTS - DCA

1 stop17h 43mAlaska Airlines

Fri 5/309:59 amDCA - STS

1 stop16h 54mAlaska Airlines

Deal found 4/30

$495

Fri 6/204:17 pmSTS - DCA

2 stops12h 23mAmerican Airlines

Sun 6/225:00 amDCA - STS

1 stop9h 45mAmerican Airlines

Deal found 4/30

$684

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 May 1, 2025 and is based on user searches.

Thu 5/87:28 pmSTS - IAD

1 stop17h 32mAlaska Airlines

Sun 5/116:30 amIAD - STS

2 stops14h 30mAlaska Airlines

Deal found 4/30

$703

Thu 5/87:28 pmSTS - DCA

1 stop22h 30mAlaska Airlines

Sun 5/118:59 amDCA - STS

1 stop15h 34mAlaska Airlines

Deal found 4/30

$754

Thu 5/812:24 pmSTS - BWI

1 stop7h 57mAmerican Airlines

Sun 5/116:03 amBWI - STS

1 stop8h 41mAmerican Airlines

Deal found 4/30

$939

Thu 5/812:24 pmSTS - IAD

1 stop7h 33mAmerican Airlines

Sun 5/115:02 amIAD - STS

2 stops9h 42mAmerican Airlines

Deal found 4/30

$944

Thu 5/812:24 pmSTS - DCA

1 stop7h 40mAmerican Airlines

Sun 5/115:00 amDCA - STS

2 stops10h 16mAmerican Airlines

Deal found 4/30

$944

Mon 5/127:28 pmSTS - IAD

1 stop17h 32mAlaska Airlines

Wed 5/147:00 amIAD - STS

2 stops17h 33mAlaska Airlines

Deal found 4/29

$468

Mon 5/268:01 pmSTS - DCA

1 stop17h 43mAlaska Airlines

Fri 5/309:59 amDCA - STS

1 stop16h 54mAlaska Airlines

Deal found 4/30

$495

Fri 5/308:01 pmSTS - IAD

1 stop8h 35mHawaiian Airlines

Mon 6/25:14 pmIAD - STS

1 stop9h 39mHawaiian Airlines

Deal found 4/29

$435

Sat 5/317:00 amSTS - BWI

2 stops20h 29mAlaska Airlines

Fri 6/67:05 pmBWI - STS

1 stop21h 20mAlaska Airlines

Deal found 4/30

$478

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 May 1, 2025.

Tue 6/38:01 pmSTS - IAD

1 stop8h 35mAlaska Airlines

Deal found 4/30

$159

Tue 6/37:00 amSTS - BWI

2 stops20h 29mAlaska Airlines

Deal found 4/30

$161

Tue 8/1210:00 amSTS - DCA

2 stops31h 59mAlaska Airlines

Deal found 4/30

$172

Sun 5/258:01 pmSTS - IAD

1 stop8h 35mHawaiian Airlines

Deal found 4/30

$253

Sat 7/1212:21 pmSTS - BWI

1 stop7h 56mAmerican Airlines

Deal found 4/29

$265

Sat 8/304:17 pmSTS - IAD

2 stops13h 25mAmerican Airlines

Deal found 4/28

$320

Sun 6/224:17 pmSTS - DCA

2 stops13h 49mAmerican Airlines

Deal found 4/30

$559

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 RosaBaltimore

STS - BWI

STSBWI

Santa Rosa Sonoma County

Thu 9/4

3:07 pm-5:33 am

2 stops11h 26m

Baltimore/Washington

Wed 9/10

7:00 am-7:12 pm

2 stops15h 12m

$392

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Thu 9/4

7:03 am-7:32 am

2 stops21h 29m

Washington, D.C. Dulles Intl

Wed 9/10

7:00 am-7:12 pm

2 stops15h 12m

$393

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Fri 5/30

8:01 pm-7:36 am

1 stop8h 35m

Washington, D.C. Dulles Intl

Mon 6/2

5:14 pm-11:53 pm

1 stop9h 39m

$435

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Mon 5/26

8:01 pm-4:44 pm

1 stop17h 43m

Washington, D.C. Reagan-National

Fri 5/30

9:59 am-11:53 pm

1 stop16h 54m

$495

Santa RosaBaltimore

STS - BWI

STSBWI

Santa Rosa Sonoma County

Fri 6/20

12:30 pm-11:16 pm

1 stop7h 46m

Baltimore/Washington

Sun 6/22

6:43 am-11:45 am

1 stop8h 02m

$679

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Fri 6/20

4:17 pm-7:40 am

2 stops12h 23m

Washington, D.C. Reagan-National

Sun 6/22

5:00 am-11:45 am

1 stop9h 45m

$684

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 6/3

8:01 pm-7:36 am

1 stop8h 35m

$159

Santa RosaBaltimore

STS - BWI

STSBWI

Santa Rosa Sonoma County

Tue 6/3

7:00 am-6:29 am

2 stops20h 29m

$161

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Tue 8/12

10:00 am-8:59 pm

2 stops31h 59m

$172

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Sun 5/25

8:01 pm-7:36 am

1 stop8h 35m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 13 results

Compare providers for flights from Santa Rosa to Washington, D.C.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santa Rosa to Washington, D.C. in May.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
Priceline	Price Accuracy2 stars	Trust Score*3 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. 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. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Santa Rosa-Washington, D.C. flights, Cheapflights users trust Priceline the most. Priceline 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. 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 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 $309). Flying from Santa Rosa to Washington, D.C. in June is currently the most expensive (average of $373). 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.

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.

Rainfall in Washington, D.C. by month

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.

Temperature in Washington, D.C. by month

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).

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Alaska Airlines, Hawaiian Airlines and American Airlines from Santa Rosa to Washington, D.C. to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,972 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

9,972 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.9

Good

2,408 reviews

Alaska Airlines

8.0

Very good

9,972 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

9,972 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 ($392), Hawaiian Airlines ($435), and American Airlines ($679) offers the cheapest pricing from Santa Rosa to Washington, D.C.. Alaska Airlines is priced at 29% 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 $159. Users have also found prices from $253 and $265 on Hawaiian Airlines and American 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 $309). Flying from Santa Rosa to Washington, D.C. in June is currently the most expensive (average of $373). 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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Tysons

Fairfax

Springfield

Rockville

Fredericksburg

Silver Spring

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Linthicum Heights

Falls Church

Laurel

Easton

Towson

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Oxon Hill

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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$543	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$320	Average$487	FlexibilityNo cancel fee	On-time75%

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$159+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Santa Rosa to Washington, D.C. 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 Washington, D.C.

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Round-trip from

One-way from

Popular in

Cheapest in

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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 May 1, 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 May 1, 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.

Compare providers for flights from Santa Rosa to Washington, D.C.

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 Washington, D.C. in May.

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.?

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

Find hourly flight availability from Santa Rosa to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

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 Santa Rosa?

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

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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 May 1, 2025.