$274+ Cheap flights from Santa Rosa (STS) to Reagan-National (DCA)
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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DCA
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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Cheapest flights from Santa Rosa to Reagan-NationalExplore the most affordable flight options available from Santa Rosa to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
Explore the most affordable flight options available from Santa Rosa to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 9/17:10 am
STS
- DCA
1 stop9h 50m
Alaska Airlines
Sat 9/59:30 am
DCA
- STS
1 stop15h 05m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 9/144:36 pm
STS
- DCA
1 stop24h 24m
Alaska Airlines
Thu 9/1710:59 am
DCA
- STS
1 stop15h 55m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 9/17:10 am
STS
- DCA
1 stop9h 50m
Alaska Airlines
Wed 9/29:30 am
DCA
- STS
1 stop15h 01m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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.
Mon 8/31:06 pm
STS
- DCA
2 stops28h 54m
Alaska Airlines
Wed 8/55:16 pm
DCA
- STS
1 stop9h 14m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$486
This Southwest deal was found by Cheapflights users on 6/12. 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 8/35:10 pm
STS
- DCA
2 stops12h 40m
Southwest
Wed 8/52:10 pm
DCA
- STS
2 stops10h 15m
Southwest
Deal found 6/12![Southwest logo]()
$488
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 11/187:00 am
STS
- DCA
1 stop10h 00m
Alaska Airlines
Fri 11/2710:59 am
DCA
- STS
1 stop14h 54m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$503
Best flights from Santa Rosa to Reagan-NationalDiscover carefully curated flight deals from Santa Rosa to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
Discover carefully curated flight deals from Santa Rosa to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 9/17:10 am
STS
- DCA
1 stop9h 50m
Alaska Airlines
Sat 9/59:30 am
DCA
- STS
1 stop15h 05m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 7/3112:43 pm
STS
- DCA
1 stop8h 16m
American Airlines
Mon 8/36:59 am
DCA
- STS
1 stop8h 04m
American Airlines
Deal found 6/11![American Airlines logo]()
$539
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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.
Mon 8/31:06 pm
STS
- DCA
2 stops28h 54m
Alaska Airlines
Wed 8/55:16 pm
DCA
- STS
1 stop9h 14m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$486
Last-minute flights from Santa Rosa to Reagan-NationalDiscover last-minute flight deals from Santa Rosa to Reagan-National. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to Reagan-National. Data last updated June 15, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Thu 6/2512:45 pm
STS
- DCA
1 stop8h 14m
American Airlines
Wed 7/15:00 am
DCA
- STS
2 stops10h 39m
American Airlines
Deal found 6/15![American Airlines logo]()
$556
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 6/2612:45 pm
STS
- DCA
1 stop8h 14m
American Airlines
Tue 6/306:59 am
DCA
- STS
1 stop8h 06m
American Airlines
Deal found 6/11![American Airlines logo]()
$573
This Southwest deal was found by Cheapflights users on 6/10. 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 7/23:55 pm
STS
- DCA
2 stops13h 50m
Southwest
Tue 7/79:30 pm
DCA
- STS
2 stops16h 35m
Southwest
Deal found 6/10![Southwest logo]()
$583
This Southwest deal was found by Cheapflights users on 6/10. 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 7/35:10 pm
STS
- DCA
2 stops13h 20m
Southwest
Tue 7/79:30 pm
DCA
- STS
2 stops16h 35m
Southwest
Deal found 6/10![Southwest logo]()
$577
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 7/312:43 pm
STS
- DCA
1 stop8h 18m
American Airlines
Tue 7/75:00 am
DCA
- STS
1 stop10h 03m
American Airlines
Deal found 6/10![American Airlines logo]()
$588
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 7/76:26 am
STS
- DCA
1 stop11h 34m
Alaska Airlines
Wed 7/158:59 am
DCA
- STS
1 stop16h 59m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$575
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 7/86:26 am
STS
- DCA
1 stop11h 34m
Alaska Airlines
Wed 7/158:59 am
DCA
- STS
1 stop16h 59m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$535
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 7/86:26 am
STS
- DCA
1 stop11h 34m
Alaska Airlines
Tue 7/149:59 am
DCA
- STS
1 stop8h 56m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$567
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 7/86:26 am
STS
- DCA
1 stop11h 34m
Alaska Airlines
Mon 7/135:16 pm
DCA
- STS
1 stop9h 14m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$572
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 7/3112:43 pm
STS
- DCA
1 stop8h 16m
American Airlines
Mon 8/36:59 am
DCA
- STS
1 stop8h 04m
American Airlines
Deal found 6/10![American Airlines logo]()
$539
One-way flights from Santa Rosa to Reagan-NationalSearch for one-way flight options from Santa Rosa to Reagan-National. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
Search for one-way flight options from Santa Rosa to Reagan-National. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 7/312:43 pm
STS
- DCA
1 stop8h 18m
American Airlines
Deal found 6/12![American Airlines logo]()
$274
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Sun 11/87:00 am
STS
- DCA
1 stop10h 00m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$292
This Southwest deal was found by Cheapflights users on 6/11. 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.
Sun 8/165:05 pm
STS
- DCA
2 stops12h 25m
Southwest
Deal found 6/11![Southwest logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 8/46:26 am
STS
- DCA
1 stop11h 34m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 8/207:10 am
STS
- DCA
1 stop9h 50m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$340
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 8/216:13 am
STS
- DCA
1 stop11h 47m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$342
This American Airlines deal was found by Cheapflights users on 6/13. 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.
Tue 6/234:20 pm
STS
- DCA
2 stops12h 39m
American Airlines
Deal found 6/13![American Airlines logo]()
$380
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 8/1610:58 am
STS
- DCA
1 stop31h 02m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$402
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 6/2012:45 pm
STS
- DCA
1 stop8h 14m
American Airlines
Deal found 6/11![American Airlines logo]()
$425
This American Airlines deal was found by Cheapflights users on 6/12. 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 7/112:45 pm
STS
- DCA
1 stop8h 14m
American Airlines
Deal found 6/12![American Airlines logo]()
$438
Find flight deals from Santa Rosa to Reagan-National
Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Reagan-National (DCA). 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 June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $388 (Alaska Airlines) |
One-way from | $274 (American Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $557 |
Cheapflights Fare Finder
Customize your flight search to find flights from Santa Rosa to Reagan-National 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 2,558,603 searches. Data last updated June 15, 2026.
Use the filters below to find and compare flights from Santa Rosa to Washington, D.C. Reagan-National Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Santa RosaWashington, D.C.
STS - DCA
STSDCA
Santa Rosa Sonoma County
Tue 9/1
7:10 am-8:00 pm
1 stop9h 50m
Washington, D.C. Reagan-National
Sat 9/5
9:30 am-9:35 pm
1 stop15h 05m
$388
Santa RosaWashington, D.C.
STS - DCA
STSDCA
Santa Rosa Sonoma County
Mon 8/3
1:06 pm-9:00 pm
2 stops28h 54m
Washington, D.C. Reagan-National
Wed 8/5
5:16 pm-11:30 pm
1 stop9h 14m
$486
Quickest round-trip
Santa RosaWashington, D.C.
STS - DCA
STSDCA
Santa Rosa Sonoma County
Fri 7/31
12:43 pm-11:59 pm
1 stop8h 16m
Washington, D.C. Reagan-National
Mon 8/3
6:59 am-12:03 pm
1 stop8h 04m
$539
Cheapest one-way
Santa RosaWashington, D.C.
STS - DCA
STSDCA
Santa Rosa Sonoma County
Fri 7/3
12:43 pm-12:01 am
1 stop8h 18m
$274
Santa RosaWashington, D.C.
STS - DCA
STSDCA
Santa Rosa Sonoma County
Thu 8/20
7:10 am-8:00 pm
1 stop9h 50m
$340
Santa RosaWashington, D.C.
STS - DCA
STSDCA
Santa Rosa Sonoma County
Fri 8/21
6:13 am-9:00 pm
1 stop11h 47m
$342
Santa RosaWashington, D.C.
STS - DCA
STSDCA
Santa Rosa Sonoma County
Tue 6/23
4:20 pm-7:59 am
2 stops12h 39m
$380
Santa RosaWashington, D.C.
STS - DCA
STSDCA
Santa Rosa Sonoma County
Sun 8/16
10:58 am-9:00 pm
1 stop31h 02m
$402
Quickest one-way
Santa RosaWashington, D.C.
STS - DCA
STSDCA
Santa Rosa Sonoma County
Sat 6/20
12:45 pm-11:59 pm
1 stop8h 14m
$425
Santa RosaWashington, D.C.
STS - DCA
STSDCA
Santa Rosa Sonoma County
Tue 8/4
7:03 pm-9:16 am
2 stops11h 13m
$430
Showing 1-10 of 14 resultsSorted by cheapest first
Best time to book a flight from Santa Rosa to Reagan-National
Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Santa Rosa with our price prediction graph.
STS-DCA
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.
Reviews of airlines servicing Reagan-National
Get insights into the airlines that provide service to Reagan-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reagan-National. Reviews last updated June 15, 2026.
Read through reviews of airlines operating flights from Santa Rosa to Washington, D.C. Reagan-National Airport, such as Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Food
7.0
Crew
8.5
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from Santa Rosa to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Reagan-National Airport?
Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locationsAlexandria
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Laurel
Hanover
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Reagan-National flight routes
Alternative routes for Santa Rosa to Reagan-National
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Complete your trip
Complete your trip to Reagan-National by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Santa Rosa to Reagan-National, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Santa Rosa and Reagan-National flights
Browse other Santa Rosa and Reagan-National flight options. Last updated on June 15, 2026.
Other flights from Santa Rosa
Browse through other flights departing from Santa Rosa. Flights are based on user searches made on Cheapflights and were last updated on June 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Reagan-National
Explore flights to Reagan-National departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 15, 2026.
Top airline flying from Santa Rosa to Reagan-National
Discover the top airline that operate flights from Santa Rosa to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$296 | Average$482 | FlexibilityNo cancel fee | On-time75% |