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

Currently priced at $314, Alaska Airlines will fly you from Washington, D.C. to Santa Rosa and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Hawaiian Airlines and American Airlines - these airlines can fly you to your destination from $372 and $534, respectively. Users have found that Alaska Airlines is 48% cheaper than the other options available to this destination.

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

For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $157. Users have also found prices from $163 and $265 on Alaska Airlines and American Airlines, respectively.

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

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

In terms of precipitation, rainfall in Santa Rosa ranges from 0.0 - 7.1 inches per month. January is typically the wettest month, when rainfall can reach 7.1 in. July is typically the driest time to visit Santa Rosa when rainfall is around 0.0 in.

If weather is an important factor for your trip to Santa Rosa, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

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

The most popular route from Washington, D.C. to Santa Rosa is Washington, D.C. Dulles Intl - Santa Rosa Sonoma County. You may also consider Washington, D.C. Reagan-National - Santa Rosa Sonoma County or Baltimore/Washington - Santa Rosa Sonoma County.

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

Users have found that flying from Washington, D.C. to Santa Rosa on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 42 days in advance, which can save you up to 61% on flights from Washington, D.C. to Santa Rosa compared to booking the week you need them. Waiting 42 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $548. For sooner than that we have options available in the next 3 days from $628.

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

Flights from Washington, D.C. to Santa Rosa lean towards being more expensive in December. Prices are generally better when you fly from Washington, D.C. to Santa Rosa in February, with the cheapest ticket starting at $170.

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

When flying from Washington, D.C. to Santa Rosa, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 28% versus a flight in the morning.

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

For a flight from Washington, D.C. to Santa Rosa, you will be flying into Sonoma County. Santa Rosa Sonoma County (STS) is just 7.2 mi from the center of the city. Sonoma County is the only Santa Rosa airport and it handles 0 inbound flights from Washington, D.C. per day. 2 airlines have flights to Santa Rosa Sonoma County from Washington, D.C. on a regular basis.

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

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

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

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

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

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

$157+ Flights from Washington, D.C. to Santa Rosa

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

Round-trip from	$314 (Alaska Airlines)
One-way from	$157 (Hawaiian Airlines)
Popular in	July
Cheapest in	February
Average price	$918

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 21% potential increase in price ($171 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($29 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 Washington, D.C. to Santa Rosa

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

Wed 9/38:59 amDCA - STS

1 stop13h 13mAlaska Airlines

Wed 9/103:07 pmSTS - DCA

1 stop26h 52mAlaska Airlines

Deal found 7/29

$314

Wed 8/205:52 pmIAD - STS

1 stop8h 58mAlaska Airlines

Wed 8/276:00 amSTS - IAD

1 stop7h 47mAlaska Airlines

Deal found 7/29

$314

Sat 10/49:59 amDCA - STS

1 stop9h 55mHawaiian Airlines

Wed 10/86:25 amSTS - DCA

1 stop11h 04mHawaiian Airlines

Deal found 7/27

$372

Wed 9/37:00 amBWI - STS

1 stop9h 36mAlaska Airlines

Wed 9/103:07 pmSTS - BWI

2 stops11h 32mAlaska Airlines

Deal found 7/29

$404

Wed 9/310:30 amDCA - STS

1 stop8h 18mAmerican Airlines

Wed 9/101:00 pmSTS - DCA

2 stops9h 05mAmerican Airlines

Deal found 7/29

$534

Thu 8/148:15 amBWI - STS

2 stops10h 32mAmerican Airlines

Sat 8/1612:17 pmSTS - BWI

1 stop7h 45mAmerican Airlines

Deal found 7/30

$804

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

Wed 9/38:59 amDCA - STS

1 stop13h 13mAlaska Airlines

Wed 9/103:07 pmSTS - DCA

1 stop26h 52mAlaska Airlines

Deal found 7/29

$314

Sat 10/49:59 amDCA - STS

1 stop9h 55mHawaiian Airlines

Wed 10/86:25 amSTS - DCA

1 stop11h 04mHawaiian Airlines

Deal found 7/27

$372

Wed 9/310:30 amDCA - STS

1 stop8h 18mAmerican Airlines

Wed 9/101:00 pmSTS - DCA

2 stops9h 05mAmerican Airlines

Deal found 7/29

$534

Wed 8/205:52 pmIAD - STS

1 stop8h 58mAlaska Airlines

Wed 8/276:00 amSTS - IAD

1 stop7h 47mAlaska Airlines

Deal found 7/29

$314

Wed 9/37:00 amBWI - STS

1 stop9h 36mAlaska Airlines

Wed 9/103:07 pmSTS - BWI

2 stops11h 32mAlaska Airlines

Deal found 7/29

$404

Fri 1/26:21 pmIAD - STS

1 stop8h 38mHawaiian Airlines

Wed 1/76:58 amSTS - IAD

1 stop7h 27mHawaiian Airlines

Deal found 7/29

$492

Thu 8/148:15 amBWI - STS

2 stops10h 32mAmerican Airlines

Sat 8/1612:17 pmSTS - BWI

1 stop7h 45mAmerican Airlines

Deal found 7/30

$804

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

Fri 8/16:25 amDCA - STS

2 stops11h 00mMultiple Airlines

Sat 8/167:23 pmSTS - DCA

2 stops10h 34mMultiple Airlines

Deal found 7/30

$1,225

Tue 8/55:25 pmIAD - STS

1 stop9h 25mAlaska Airlines

Wed 8/206:00 amSTS - IAD

1 stop7h 47mAlaska Airlines

Deal found 7/29

$603

Tue 8/59:59 amDCA - STS

1 stop11h 08mAlaska Airlines

Tue 8/127:00 amSTS - DCA

1 stop11h 42mAlaska Airlines

Deal found 7/28

$868

Wed 8/65:25 pmIAD - STS

1 stop9h 25mHawaiian Airlines

Sat 8/96:00 amSTS - IAD

1 stop9h 59mHawaiian Airlines

Deal found 7/30

$895

Wed 8/67:00 amBWI - STS

1 stop7h 37mAmerican Airlines

Sat 8/912:17 pmSTS - BWI

1 stop7h 45mAmerican Airlines

Deal found 7/30

$939

Sat 8/97:51 amBWI - STS

1 stop8h 34mAlaska Airlines

Mon 8/187:12 amSTS - BWI

1 stop7h 58mAlaska Airlines

Deal found 7/29

$1,938

Thu 8/146:45 amDCA - STS

1 stop7h 51mAmerican Airlines

Sat 8/1612:17 pmSTS - DCA

1 stop7h 42mAmerican Airlines

Deal found 7/30

$799

Thu 8/148:15 amBWI - STS

2 stops10h 32mAmerican Airlines

Sat 8/1612:17 pmSTS - BWI

1 stop7h 45mAmerican Airlines

Deal found 7/30

$804

Wed 8/205:52 pmIAD - STS

1 stop8h 58mAlaska Airlines

Wed 8/276:00 amSTS - IAD

1 stop7h 47mAlaska Airlines

Deal found 7/29

$314

Wed 8/209:59 amDCA - STS

1 stop16h 51mAlaska Airlines

Wed 8/276:00 amSTS - DCA

1 stop12h 59mAlaska Airlines

Deal found 7/29

$362

Fri 8/297:22 pmBWI - STS

1 stop21h 14mAlaska Airlines

Mon 9/17:00 amSTS - BWI

1 stop19h 39mAlaska Airlines

Deal found 7/29

$708

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

Wed 9/175:52 pmIAD - STS

1 stop8h 58mHawaiian Airlines

Deal found 7/30

$157

Wed 9/178:59 amDCA - STS

1 stop13h 13mAlaska Airlines

Deal found 7/30

$163

Sat 9/137:00 amIAD - STS

1 stop9h 36mAlaska Airlines

Deal found 7/28

$179

Wed 9/177:00 amBWI - STS

2 stops15h 12mAlaska Airlines

Deal found 7/29

$197

Wed 11/266:02 amBWI - STS

1 stop9h 04mAmerican Airlines

Deal found 7/29

$265

Wed 9/176:45 amDCA - STS

2 stops12h 03mAmerican Airlines

Deal found 7/30

$270

Wed 11/266:04 amIAD - STS

1 stop9h 02mAmerican Airlines

Deal found 7/29

$405

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 9/3

8:59 am-7:12 pm

1 stop13h 13m

Santa Rosa Sonoma County

Wed 9/10

3:07 pm-8:59 pm

1 stop26h 52m

$314

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Wed 8/20

5:52 pm-11:50 pm

1 stop8h 58m

Santa Rosa Sonoma County

Wed 8/27

6:00 am-4:47 pm

1 stop7h 47m

$314

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 10/4

9:59 am-4:54 pm

1 stop9h 55m

Santa Rosa Sonoma County

Wed 10/8

6:25 am-8:29 pm

1 stop11h 04m

$372

BaltimoreSanta Rosa

BWI - STS

BWISTS

Baltimore/Washington

Wed 9/3

7:00 am-1:36 pm

1 stop9h 36m

Santa Rosa Sonoma County

Wed 9/10

3:07 pm-5:39 am

2 stops11h 32m

$404

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Fri 1/2

6:21 pm-11:59 pm

1 stop8h 38m

Santa Rosa Sonoma County

Wed 1/7

6:58 am-5:25 pm

1 stop7h 27m

$492

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 9/3

10:30 am-3:48 pm

1 stop8h 18m

Santa Rosa Sonoma County

Wed 9/10

1:00 pm-1:05 am

2 stops9h 05m

$534

BaltimoreSanta Rosa

BWI - STS

BWISTS

Baltimore/Washington

Thu 8/14

8:15 am-3:47 pm

2 stops10h 32m

Santa Rosa Sonoma County

Sat 8/16

12:17 pm-11:02 pm

1 stop7h 45m

$804

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Wed 9/17

5:52 pm-11:50 pm

1 stop8h 58m

$157

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 9/17

8:59 am-7:12 pm

1 stop13h 13m

$163

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Sat 9/13

7:00 am-1:36 pm

1 stop9h 36m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 14 results

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

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

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Santa Rosa (average of $202). Flying from Washington, D.C. to Santa Rosa in June is currently the most expensive (average of $395). 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 Santa Rosa

Peruse reviews from past customers who have flown with Alaska Airlines, Hawaiian Airlines, and American Airlines from Washington, D.C. to Santa Rosa to help guide your decision. You can also see how each airline stacks up in terms of 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 into for flights to Santa Rosa from Washington, D.C.?
For a flight from Washington, D.C. to Santa Rosa, you will be flying into Sonoma County. Santa Rosa Sonoma County (STS) is just 7.2 mi from the center of the city. Sonoma County is the only Santa Rosa airport and it handles 0 inbound flights from Washington, D.C. per day. 2 airlines have flights to Santa Rosa Sonoma County from Washington, D.C. on a regular basis.
What are the cheapest airlines flying from Washington, D.C. to Santa Rosa round-trip?
Currently priced at $314, Alaska Airlines will fly you from Washington, D.C. to Santa Rosa and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Hawaiian Airlines and American Airlines - these airlines can fly you to your destination from $372 and $534, respectively. Users have found that Alaska Airlines is 48% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Washington, D.C. to Santa Rosa one-way?
For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $157. Users have also found prices from $163 and $265 on Alaska Airlines and American Airlines, respectively.
What are the most popular routes from Washington, D.C. to Santa Rosa?
The most popular route from Washington, D.C. to Santa Rosa is Washington, D.C. Dulles Intl - Santa Rosa Sonoma County. You may also consider Washington, D.C. Reagan-National - Santa Rosa Sonoma County or Baltimore/Washington - Santa Rosa Sonoma County.
Can I find deals for flights from Washington, D.C. to Santa Rosa that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Santa Rosa flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Santa Rosa?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Santa Rosa.
Can I find deals for business class flights from Washington, D.C. to Santa Rosa?
Yes. Cheapflights offers flight deals from Washington, D.C. to Santa Rosa 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 Washington, D.C. to Santa Rosa?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Santa Rosa (average of $202). Flying from Washington, D.C. to Santa Rosa in June is currently the most expensive (average of $395). 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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Other flights to Santa Rosa

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

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$431	Average$624	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$528	Average$758	FlexibilityNo cancel fee	On-time71%

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$157+ Cheap flights from Washington, D.C. (WAS) to Santa Rosa (STS)

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 9/17. 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 Washington, D.C. to Santa Rosa

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

Cheapest flights from Washington, D.C. to Santa RosaExplore the most affordable flight options available from Washington, D.C. to Santa Rosa. 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 Washington, D.C. to Santa Rosa. 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 Washington, D.C. to Santa Rosa that are best for you.

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

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Washington, D.C. with our price prediction graph.

Cheapflights Insights

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

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

Reviews of airlines servicing Santa Rosa

Related info for your journey

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

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

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

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

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

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

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

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

Traveling to a place near Santa Rosa?

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

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

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