$187+ Cheap flights from Santa Rosa (STS) to Reagan-National (DCA)
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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DCA
Nov 30 — Dec 71
Round-trip
1 adult, Economy
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Find cheap flights from Santa Rosa to Reagan-National with Cheapflights
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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 Reagan-National
Cheapest
Best
Last-minute
One-way
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 October 31, 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 October 31, 2026.
This Delta deal was found by Cheapflights users on 10/27. 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 12/511:27 am -
2 stops9h 20m
Sat 12/129:45 am -
2 stops9h 20m
Deal found 10/27![Delta logo]()
$384
This American Airlines deal was found by Cheapflights users on 10/29. 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 12/57:10 am -
2 stops9h 49m
Fri 1/155:01 pm -
1 stop9h 41m
Deal found 10/29![American Airlines logo]()
$485
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/2112:49 pm -
1 stop8h 10m
Fri 11/277:45 am -
2 stops11h 10m
Deal found 10/30![American Airlines logo]()
$582
This Southwest deal was found by Cheapflights users on 10/29. 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 12/176:05 am -
2 stops13h 50m
Sat 12/193:55 pm -
2 stops10h 15m
Deal found 10/29![Southwest logo]()
$590
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 12/2812:01 pm -
1 stop28h 59m
Fri 1/110:59 am -
1 stop26h 14m
Deal found 10/29![Alaska Airlines logo]()
$613
This American Airlines deal was found by Cheapflights users on 10/29. 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
Wed 12/27:00 am -
1 stop8h 46m
Deal found 10/29![American Airlines logo]()
$638
This Southwest deal was found by Cheapflights users on 10/29. 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 12/286:55 am -
2 stops11h 00m
Fri 1/110:00 am -
2 stops14h 30m
Deal found 10/29![Southwest logo]()
$660
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 October 31, 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 October 31, 2026.
This Delta deal was found by Cheapflights users on 10/27. 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 12/511:27 am -
2 stops9h 20m
Sat 12/129:45 am -
2 stops9h 20m
Deal found 10/27![Delta logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 2/41:53 pm -
2 stops29h 06m
Mon 2/810:59 am -
2 stops31h 57m
Deal found 10/28![Alaska Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 10/29. 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 1/43:10 pm -
2 stops14h 10m
Sat 1/911:00 am -
2 stops11h 45m
Deal found 10/29![Southwest logo]()
$469
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 1/46:03 pm -
1 stop18h 57m
Sat 1/910:59 am -
1 stop14h 58m
Deal found 10/29![Alaska Airlines logo]()
$453
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 10/27![Alaska Airlines logo]()
$458
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 12/2812:01 pm -
1 stop28h 59m
Fri 1/110:59 am -
1 stop26h 14m
Deal found 10/29![Alaska Airlines logo]()
$613
Last-minute flights from Santa Rosa to Reagan-NationalDiscover last-minute flight deals from Santa Rosa to Reagan-National. Data last updated October 31, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to Reagan-National. Data last updated October 31, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/30. 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 11/1311:29 am -
2 stops18h 45m
Sat 11/145:50 pm -
1 stop19h 53m
Deal found 10/30![Delta logo]()
$762
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 11/206:08 am -
1 stop11h 52m
Tue 12/110:59 am -
1 stop15h 30m
Deal found 10/28![Alaska Airlines logo]()
$733
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/2112:49 pm -
1 stop8h 10m
Fri 11/277:45 am -
2 stops11h 10m
Deal found 10/30![American Airlines logo]()
$582
This American Airlines deal was found by Cheapflights users on 10/29. 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
Wed 12/27:00 am -
1 stop8h 46m
Deal found 10/29![American Airlines logo]()
$638
This American Airlines deal was found by Cheapflights users on 10/29. 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
Thu 12/33:04 pm -
2 stops11h 53m
Deal found 10/29![American Airlines logo]()
$693
This American Airlines deal was found by Cheapflights users on 10/29. 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
Tue 12/112:50 pm -
2 stops14h 09m
Deal found 10/29![American Airlines logo]()
$748
This American Airlines deal was found by Cheapflights users on 10/29. 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
Mon 11/305:15 pm -
1 stop9h 44m
Deal found 10/29![American Airlines logo]()
$750
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 October 31, 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 October 31, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 11/188:40 am -
1 stop9h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Alaska Airlines logo]()
$187
This Delta deal was found by Cheapflights users on 10/28. 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 11/184:47 pm -
2 stops13h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Delta logo]()
$192
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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 stops28h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Alaska Airlines logo]()
$203
This Southwest deal was found by Cheapflights users on 10/26. 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 1/43:10 pm -
2 stops14h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$238
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/254:29 pm -
2 stops17h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![American Airlines logo]()
$243
This Delta deal was found by Cheapflights users on 10/28. 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 11/174:47 pm -
2 stops19h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Delta logo]()
$265
This Priceline deal was found by Cheapflights users on 10/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:28 am -
1 stop11h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Alaska Airlines logo]()
$267
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Mon 12/214:25 pm -
2 stops12h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![American Airlines logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 4/97:00 am -
1 stop10h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Alaska Airlines logo]()
$295
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 October 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $384 (Delta) |
One-way from | $187 (Alaska Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $583 |
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 7,457,451 searches. Data last updated October 31, 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 Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National
STSDCA
Santa Rosa Sonoma County
Wed 12/16
7:48 am-8:00 pm
1 stop9h 12m
Washington, D.C. Reagan-National
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 12/5
11:27 am-11:47 pm
2 stops9h 20m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$192
Santa RosaWashington, D.C.
STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National
STSDCA
Santa Rosa Sonoma County
Wed 12/9
6:45 am-8:15 pm
2 stops10h 30m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$225
Santa RosaWashington, D.C.
STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National
STSDCA
Santa Rosa Sonoma County
Tue 12/22
11:27 am-11:57 pm
2 stops9h 30m
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
Thu 4/8
6:00 am-9:20 pm
2 stops12h 20m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$300
Santa RosaWashington, D.C.
STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National
STSDCA
Santa Rosa Sonoma County
Sun 1/3
9:07 pm-4:06 pm
1 stop15h 59m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$300
Santa RosaWashington, D.C.
STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National
STSDCA
Santa Rosa Sonoma County
Wed 12/23
12:01 pm-8:00 pm
1 stop28h 59m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$307
Santa RosaWashington, D.C.
STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National
STSDCA
Santa Rosa Sonoma County
Fri 4/9
7:00 am-8:00 pm
1 stop10h 00m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$320
Santa RosaWashington, D.C.
STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National
STSDCA
Santa Rosa Sonoma County
Tue 12/22
7:13 pm-9:00 pm
1 stop22h 47m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$322
Santa RosaWashington, D.C.
STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National
STSDCA
Santa Rosa Sonoma County
Mon 12/21
6:26 am-9:00 pm
1 stop11h 34m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$324
Showing 1-10 of 18 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Santa Rosa-Washington, D.C. Reagan-National Airport 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. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Santa Rosa-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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. Reagan-National Airport 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 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 October 31, 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
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Entertainment
7.0
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
Woodbridge
Arlington
Owings Mills
Lanham
Reston
Herndon
Hyattsville
Rockville
Springfield
Fredericksburg
Tysons
Falls Church
Towson
Silver Spring
Oxon Hill
Laurel
Clinton
Hunt Valley
Waldorf
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Santa Rosa and Reagan-National flights
Browse other Santa Rosa and Reagan-National flight options. Last updated on October 31, 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 October 31, 2026.
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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 October 31, 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 7,457,451 searches. Data last updated October 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$296 | Average$546 | FlexibilityNo cancel fee | On-time75% |