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Cheap flights from Washington, D.C. Reagan-National Airport to San Francisco from $205

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to San Francisco departing on 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. Reagan-National Airport to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
10:59 am - 9:54 am
DCA
-
STS
25h 55m
1 stop
Alaska Airlines Logo
2:52 pm - 4:00 pm
STS
-
DCA
22h 08m
1 stop
$409Alaska Airlines
Sat, Aug 22 - Tue, Aug 25
Southwest Logo
7:00 am - 12:05 pm
DCA
-
STS
8h 05m
1 stop
Southwest Logo
6:00 am - 11:05 pm
STS
-
DCA
14h 05m
2 stops
$414Southwest
Sat, Aug 22 - Tue, Aug 25
Southwest Logo
7:00 am - 7:50 pm
DCA
-
STS
15h 50m
2 stops
Southwest Logo
6:00 am - 11:05 pm
STS
-
DCA
14h 05m
2 stops
$425Southwest
Sat, Aug 22 - Tue, Aug 25
Alaska Airlines Logo
5:16 pm - 11:30 pm
DCA
-
STS
9h 14m
1 stop
Alaska Airlines Logo
6:13 am - 9:00 pm
STS
-
DCA
11h 47m
1 stop
$426Alaska Airlines
Mon, Aug 17 - Wed, Aug 26
Alaska Airlines Logo
10:59 am - 11:59 pm
DCA
-
STS
16h 00m
1 stop
Alaska Airlines Logo
7:00 am - 9:59 pm
STS
-
DCA
11h 59m
1 stop
$433Alaska Airlines
Mon, Oct 26 - Sat, Oct 31
Alaska Airlines Logo
9:30 am - 9:31 pm
DCA
-
STS
15h 01m
1 stop
Alaska Airlines Logo
6:13 am - 9:00 pm
STS
-
DCA
11h 47m
1 stop
$438Alaska Airlines
Wed, Aug 19 - Tue, Aug 25
Southwest Logo
1:00 pm - 9:25 pm
DCA
-
STS
11h 25m
2 stops
Southwest Logo
4:40 pm - 8:55 am
STS
-
DCA
13h 15m
2 stops
$445Southwest
Wed, Aug 12 - Mon, Aug 17
Alaska Airlines Logo
5:16 pm - 11:30 pm
DCA
-
STS
9h 14m
1 stop
Alaska Airlines Logo
6:13 am - 9:00 pm
STS
-
DCA
11h 47m
1 stop
$456Alaska Airlines
Mon, Aug 17 - Mon, Aug 24
Southwest Logo
2:10 pm - 9:25 pm
DCA
-
STS
10h 15m
2 stops
Southwest Logo
4:40 pm - 8:55 am
STS
-
DCA
13h 15m
2 stops
$465Southwest
Wed, Aug 5 - Mon, Aug 10
Alaska Airlines Logo
9:30 am - 9:31 pm
DCA
-
STS
15h 01m
1 stop
Alaska Airlines Logo
6:13 am - 9:00 pm
STS
-
DCA
11h 47m
1 stop
$468Alaska Airlines
Wed, Aug 19 - Mon, Aug 24

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American Airlines flights from Washington, D.C. Reagan-National Airport to Santa Rosa

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Santa Rosa flight tickets
American Airlines
Jul 30
DCA5:00 amWashington, D.C. Reagan-National
10h 03m
1 stop
STS12:03 pmSanta Rosa Sonoma County
Aug 3
STS12:43 pmSanta Rosa Sonoma County
8h 16m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$539
American Airlines
Aug 11
DCA7:29 amWashington, D.C. Reagan-National
7h 59m
1 stop
STS12:28 pmSanta Rosa Sonoma County
Aug 14
STS12:39 pmSanta Rosa Sonoma County
8h 19m
1 stop
DCA11:58 pmWashington, D.C. Reagan-National
$556
American Airlines
Jul 29
DCA5:00 amWashington, D.C. Reagan-National
10h 03m
1 stop
STS12:03 pmSanta Rosa Sonoma County
Aug 4
STS12:43 pmSanta Rosa Sonoma County
8h 16m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$564

Alaska Airlines flights from Washington, D.C. Reagan-National Airport to Santa Rosa

Our best Alaska Airlines deals on Washington, D.C. Reagan-National Airport to Santa Rosa flight tickets
Alaska Airlines
Aug 22
DCA10:59 amWashington, D.C. Reagan-National
25h 55m
1 stop
STS9:54 amSanta Rosa Sonoma County
Aug 25
STS2:52 pmSanta Rosa Sonoma County
22h 08m
1 stop
DCA4:00 pmWashington, D.C. Reagan-National
$409
Alaska Airlines
Aug 17
DCA5:16 pmWashington, D.C. Reagan-National
9h 14m
1 stop
STS11:30 pmSanta Rosa Sonoma County
Aug 26
STS6:13 amSanta Rosa Sonoma County
11h 47m
1 stop
DCA9:00 pmWashington, D.C. Reagan-National
$426
Alaska Airlines
Oct 26
DCA10:59 amWashington, D.C. Reagan-National
16h 00m
1 stop
STS11:59 pmSanta Rosa Sonoma County
Oct 31
STS7:00 amSanta Rosa Sonoma County
11h 59m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$433

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Santa Rosa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 2, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 8/22

10:59 am-9:54 am

1 stop25h 55m

Santa Rosa Sonoma County

Tue 8/25

2:52 pm-4:00 pm

1 stop22h 08m

$409

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 8/22

7:00 am-12:05 pm

1 stop8h 05m

Santa Rosa Sonoma County

Tue 8/25

6:00 am-11:05 pm

2 stops14h 05m

$414

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 8/22

7:00 am-7:50 pm

2 stops15h 50m

Santa Rosa Sonoma County

Tue 8/25

6:00 am-11:05 pm

2 stops14h 05m

$425
Quickest round-trip

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Mon 8/17

5:16 pm-11:30 pm

1 stop9h 14m

Santa Rosa Sonoma County

Wed 8/26

6:13 am-9:00 pm

1 stop11h 47m

$426

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Mon 10/26

10:59 am-11:59 pm

1 stop16h 00m

Santa Rosa Sonoma County

Sat 10/31

7:00 am-9:59 pm

1 stop11h 59m

$433

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 8/19

9:30 am-9:31 pm

1 stop15h 01m

Santa Rosa Sonoma County

Tue 8/25

6:13 am-9:00 pm

1 stop11h 47m

$438

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 8/12

1:00 pm-9:25 pm

2 stops11h 25m

Santa Rosa Sonoma County

Mon 8/17

4:40 pm-8:55 am

2 stops13h 15m

$445

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Mon 8/17

5:16 pm-11:30 pm

1 stop9h 14m

Santa Rosa Sonoma County

Mon 8/24

6:13 am-9:00 pm

1 stop11h 47m

$456

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 8/5

2:10 pm-9:25 pm

2 stops10h 15m

Santa Rosa Sonoma County

Mon 8/10

4:40 pm-8:55 am

2 stops13h 15m

$465

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 8/19

9:30 am-9:31 pm

1 stop15h 01m

Santa Rosa Sonoma County

Mon 8/24

6:13 am-9:00 pm

1 stop11h 47m

$468

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Santa Rosa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Washington, D.C. Reagan-National to Santa Rosa Sonoma County?

American Airlines and Southwest are the most popular carriers operating from Washington, D.C. Reagan-National to Santa Rosa Sonoma County

What airlines fly to Santa Rosa?

United Airlines, Alaska Airlines and Frontier are the top three most popular airlines that fly to Santa Rosa from Washington, D.C. Reagan-National Airport according to our data. United Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Santa Rosa. Keep in mind that there are 8 different airlines that fly to Santa Rosa on a routine basis, so you have a few additional options to choose from.

When to book flights from Washington, D.C. Reagan-National Airport to Santa Rosa

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Santa Rosa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Santa Rosa (DCA to STS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Santa Rosa

Fastest flight time

8h 05m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Santa Rosa takes 8h 05m
There are no direct flights from Washington, D.C. Reagan-National Airport to Santa Rosa. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Santa Rosa.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Santa Rosa

  • How far is Washington, D.C. Reagan-National to Santa Rosa Sonoma County by plane?

    The distance between Washington, D.C. Reagan-National and Santa Rosa Sonoma County is about 2436.9 mi. A reasonable flight in good conditions will take 8h 05m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Santa Rosa Sonoma County Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Santa Rosa Sonoma County Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Santa Rosa Sonoma County Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Santa Rosa Sonoma County Airport.

  • What documentation or ID do you need to fly to Santa Rosa Sonoma County Airport?

    The travel and health documents required for your trip to Santa Rosa Sonoma County Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Santa Rosa Sonoma County Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Fort Bragg
Mendocino
Ukiah
Little River
Point Arena

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Santa Rosa?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Santa Rosa. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Santa Rosa with flexible booking policies on momondo?

Flights from Washington, D.C. to Santa Rosa with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Santa Rosa?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Santa Rosa.

I’m not ready to book a flight from Washington, D.C. to Santa Rosa right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Santa Rosa now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Santa Rosa and let you know when they change.

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