$187+ Cheap flights from Santa Rosa (STS) to Washington, D.C. (WAS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
STS — WAS
Nov 19 — Nov 261
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals 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 October 20, 2026.
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 October 20, 2026.
This Southwest deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/73:00 pm -
1 stop11h 40m
Thu 12/106:05 am -
1 stop9h 10m
Deal found 10/18![Southwest logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:28 am -
1 stop8h 11m
Tue 12/86:42 pm -
1 stop18h 33m
Deal found 10/17![Alaska Airlines logo]()
$463
This Alaska Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:28 am -
1 stop8h 11m
Mon 12/76:42 pm -
1 stop18h 33m
Deal found 10/17![Alaska Airlines logo]()
$483
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/143:00 pm -
1 stop11h 40m
Mon 12/214:40 pm -
1 stop10h 00m
Deal found 10/19![Southwest logo]()
$486
This Orbitz deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:50 am -
1 stop8h 10m
Thu 12/106:59 pm -
2 stops19h 45m
Deal found 10/17![Alaska Airlines logo]()
$488
This Alaska Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:50 am -
1 stop8h 10m
Tue 12/810:59 am -
1 stop15h 30m
Deal found 10/17![Alaska Airlines logo]()
$493
This Southwest deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:45 am -
2 stops12h 05m
Sat 11/212:35 pm -
2 stops11h 35m
Deal found 10/16![Southwest logo]()
$500
This Alaska Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:28 am -
1 stop8h 11m
Tue 12/86:42 pm -
1 stop18h 33m
Deal found 10/17![Alaska Airlines logo]()
$503
This Alaska Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:50 am -
1 stop8h 10m
Tue 12/810:59 am -
1 stop15h 30m
Deal found 10/17![Alaska Airlines logo]()
$503
This Expedia deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/71:10 pm -
2 stops25h 29m
Thu 12/106:42 pm -
1 stop23h 34m
Deal found 10/18![Alaska Airlines logo]()
$508
This Southwest deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/192:20 pm -
2 stops15h 05m
Mon 12/211:15 pm -
2 stops13h 25m
Deal found 10/14![Southwest logo]()
$512
This Alaska Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:50 am -
1 stop8h 10m
Sat 12/510:59 am -
1 stop15h 36m
Deal found 10/17![Alaska Airlines logo]()
$513
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 October 20, 2026.
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 October 20, 2026.
This Southwest deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/73:00 pm -
1 stop11h 40m
Thu 12/106:05 am -
1 stop9h 10m
Deal found 10/18![Southwest logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/276:30 am -
1 stop10h 30m
Sat 1/3010:59 am -
1 stop14h 58m
Deal found 10/14![Alaska Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/412:39 pm -
1 stop8h 01m
Mon 2/87:10 am -
1 stop7h 44m
Deal found 10/16![Delta logo]()
$519
This American Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:49 pm -
1 stop7h 20m
Fri 12/47:14 am -
2 stops11h 42m
Deal found 10/15![American Airlines logo]()
$585
This Southwest deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/192:20 pm -
2 stops15h 05m
Mon 12/211:15 pm -
2 stops13h 25m
Deal found 10/14![Southwest logo]()
$512
This Alaska Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/71:10 pm -
2 stops25h 29m
Thu 12/107:00 am -
2 stops31h 44m
Deal found 10/18![Alaska Airlines logo]()
$513
This Alaska Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/277:20 pm -
1 stop19h 30m
Sat 1/306:53 pm -
1 stop31h 04m
Deal found 10/19![Alaska Airlines logo]()
$516
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/1412:39 pm -
1 stop8h 01m
Mon 1/187:10 am -
1 stop7h 44m
Deal found 10/15![Delta logo]()
$589
This Alaska Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:50 am -
2 stops17h 45m
Thu 12/107:00 am -
2 stops15h 35m
Deal found 10/17![Alaska Airlines logo]()
$533
This Southwest deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:45 am -
1 stop9h 45m
Thu 12/1012:15 pm -
2 stops12h 15m
Deal found 10/17![Southwest logo]()
$594
This Southwest deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/142:20 pm -
2 stops12h 15m
Mon 1/186:10 am -
2 stops11h 55m
Deal found 10/18![Southwest logo]()
$599
This Alaska Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:50 am -
1 stop8h 10m
Sun 12/69:30 am -
1 stop16h 51m
Deal found 10/17![Alaska Airlines logo]()
$548
This Alaska Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:00 am -
2 stops20h 40m
Sun 11/87:02 am -
1 stop19h 06m
Deal found 10/16![Alaska Airlines logo]()
$564
This Alaska Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/147:20 pm -
1 stop19h 30m
Mon 1/186:53 pm -
1 stop31h 04m
Deal found 10/17![Alaska Airlines logo]()
$566
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 October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to Washington, D.C.. Data last updated October 20, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:00 am -
2 stops20h 40m
Sun 11/87:02 am -
1 stop19h 06m
Deal found 10/16![Alaska Airlines logo]()
$564
This Southwest deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:45 am -
2 stops12h 05m
Sat 11/212:35 pm -
2 stops11h 35m
Deal found 10/16![Southwest logo]()
$500
This Expedia deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:23 pm -
1 stop9h 17m
Sat 11/216:39 pm -
1 stop18h 18m
Deal found 10/16![Alaska Airlines logo]()
$516
This Southwest deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:45 am -
2 stops12h 15m
Sat 11/213:55 pm -
2 stops10h 15m
Deal found 10/16![Southwest logo]()
$564
This Expedia deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:07 am -
1 stop9h 53m
Sat 11/216:59 pm -
2 stops18h 05m
Deal found 10/16![Alaska Airlines logo]()
$568
This Alaska Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:43 pm -
1 stop9h 57m
Tue 12/16:42 pm -
1 stop18h 33m
Deal found 10/18![Alaska Airlines logo]()
$546
This Alaska Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:08 am -
1 stop11h 52m
Tue 12/110:59 am -
1 stop15h 30m
Deal found 10/18![Alaska Airlines logo]()
$543
This Alaska Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:08 am -
1 stop8h 28m
Tue 12/16:42 pm -
1 stop18h 33m
Deal found 10/18![Alaska Airlines logo]()
$518
This Southwest deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:30 am -
2 stops10h 20m
Fri 12/411:00 am -
2 stops13h 30m
Deal found 10/15![Southwest logo]()
$529
This Alaska Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:08 am -
1 stop11h 52m
Tue 12/110:59 am -
1 stop15h 30m
Deal found 10/18![Alaska Airlines logo]()
$538
This American Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:49 pm -
1 stop8h 10m
Fri 12/47:00 am -
1 stop8h 46m
Deal found 10/15![American Airlines logo]()
$562
This American Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:49 pm -
1 stop7h 20m
Fri 12/47:14 am -
2 stops11h 42m
Deal found 10/15![American Airlines logo]()
$585
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 October 20, 2026.
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 October 20, 2026.
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:29 am -
1 stop9h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Delta logo]()
$187
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/194:50 pm -
1 stop10h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Delta logo]()
$187
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:15 pm -
1 stop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Southwest logo]()
$190
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1511:27 am -
2 stops9h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Delta logo]()
$192
This WAYA deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:52 pm -
1 stop12h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$195
This Southwest deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:10 pm -
2 stops13h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Southwest logo]()
$216
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:29 am -
1 stop9h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Delta logo]()
$229
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2011:29 am -
2 stops8h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Delta logo]()
$246
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2011:29 am -
2 stops8h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Delta logo]()
$246
This Expedia deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/271:53 pm -
2 stops25h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Alaska Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:28 am -
1 stop8h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Alaska Airlines logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:00 am -
1 stop8h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Alaska Airlines logo]()
$260
Find flight deals from Santa Rosa to Washington, D.C.
Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $379 (Southwest) |
One-way from | $187 (Delta) |
Popular in | October |
Cheapest in | January |
Average price | $593 |
Cheapflights Fare Finder
Customize your flight search to find flights from Santa Rosa to Washington, D.C. 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, Cheapflights users made 7,457,451 searches. Data last updated October 20, 2026.
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
Cheapest round-trip
Santa RosaWashington, D.C.
STS Santa Rosa Sonoma County - IAD Washington, D.C. Dulles Intl
STSIAD
Santa Rosa Sonoma County
Wed 11/18
11:29 am-11:47 pm
1 stop9h 18m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$187
Santa RosaWashington, D.C.
STS Santa Rosa Sonoma County - IAD Washington, D.C. Dulles Intl
STSIAD
Santa Rosa Sonoma County
Wed 11/25
11:29 am-11:47 pm
1 stop9h 18m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$187
Santa RosaWashington, D.C.
STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National
STSDCA
Santa Rosa Sonoma County
Sat 11/7
12:44 pm-12:01 am
1 stop8h 17m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$260
Santa RosaWashington, D.C.
STS Santa Rosa Sonoma County - IAD Washington, D.C. Dulles Intl
STSIAD
Santa Rosa Sonoma County
Tue 12/1
11:27 am-11:47 pm
1 stop9h 20m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$260
Santa RosaWashington, D.C.
STS Santa Rosa Sonoma County - IAD Washington, D.C. Dulles Intl
STSIAD
Santa Rosa Sonoma County
Tue 11/10
11:29 am-11:47 pm
1 stop9h 18m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$260
Santa RosaWashington, D.C.
STS Santa Rosa Sonoma County - IAD Washington, D.C. Dulles Intl
STSIAD
Santa Rosa Sonoma County
Mon 11/16
11:29 am-11:47 pm
1 stop9h 18m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$260
Quickest round-trip
Santa RosaBaltimore
STS Santa Rosa Sonoma County - BWI Baltimore/Washington
STSBWI
Santa Rosa Sonoma County
Mon 1/4
12:39 pm-11:40 pm
1 stop8h 01m
Baltimore/Washington
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$260
Santa RosaBaltimore
STS Santa Rosa Sonoma County - BWI Baltimore/Washington
STSBWI
Santa Rosa Sonoma County
Sat 1/23
12:39 pm-11:40 pm
1 stop8h 01m
Baltimore/Washington
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$260
Santa RosaWashington, D.C.
STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National
STSDCA
Santa Rosa Sonoma County
Sat 11/7
11:21 am-11:44 pm
2 stops9h 23m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$265
Santa RosaWashington, D.C.
STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National
STSDCA
Santa Rosa Sonoma County
Tue 11/17
11:29 am-11:37 pm
2 stops9h 08m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$265
Showing 1-10 of 44 resultsSorted by cheapest first
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STS-WAS
STS-BWI
STS-IAD
STS-DCA
Estimated round-trip price
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STS-WAS
STS-BWI
STS-IAD
STS-DCA
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$296 | Average$546 | FlexibilityNo cancel fee | On-time75% |