$192+ Cheap flights from Dulles Intl (IAD) to Santa Rosa (STS)
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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — STS
Nov 25 — Dec 21
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 Dulles Intl to Santa Rosa
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Cheapest flights from Dulles Intl to Santa RosaExplore the most affordable flight options available from Dulles Intl to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
Explore the most affordable flight options available from Dulles Intl to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
This Delta deal was found by Cheapflights users on 10/22. 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 11/108:05 am -
2 stops11h 01m
Wed 12/211:27 am -
2 stops9h 09m
Deal found 10/22![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 10/22. 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 11/178:05 am -
2 stops11h 01m
Sat 12/1211:27 am -
2 stops10h 14m
Deal found 10/22![Delta logo]()
$417
This Delta deal was found by Cheapflights users on 10/22. 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 11/198:05 am -
2 stops11h 01m
Tue 12/111:27 am -
1 stop9h 20m
Deal found 10/22![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 10/22. 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 11/218:05 am -
2 stops11h 01m
Thu 12/311:27 am -
2 stops9h 09m
Deal found 10/22![Delta logo]()
$465
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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 11/127:46 am -
1 stop18h 22m
Sun 11/156:00 am -
1 stop8h 40m
Deal found 10/21![Alaska Airlines logo]()
$487
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 12/36:42 pm -
1 stop23h 34m
Sun 12/67:13 pm -
1 stop19h 26m
Deal found 10/24![Alaska Airlines logo]()
$530
This KAYAK deal was found by Cheapflights users on 10/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:17 pm -
1 stop8h 51m
Tue 11/175:23 pm -
1 stop9h 21m
Deal found 10/22![Alaska Airlines logo]()
$542
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 12/257:05 am -
2 stops13h 18m
Tue 1/57:20 pm -
1 stop19h 30m
Deal found 10/22![Alaska Airlines logo]()
$549
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 11/226:39 pm -
2 stops24h 10m
Sun 11/291:52 pm -
2 stops48h 47m
Deal found 10/22![Alaska Airlines logo]()
$553
Best flights from Dulles Intl to Santa RosaDiscover carefully curated flight deals from Dulles Intl to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from Dulles Intl to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This Delta deal was found by Cheapflights users on 10/22. 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 11/198:05 am -
2 stops11h 01m
Tue 12/111:27 am -
1 stop9h 20m
Deal found 10/22![Delta logo]()
$459
This Alaska Airlines deal was found by Cheapflights users on 10/24. 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 1/96:53 pm -
1 stop31h 04m
Wed 1/132:12 pm -
1 stop24h 38m
Deal found 10/24![Alaska Airlines logo]()
$503
This Delta deal was found by Cheapflights users on 10/23. 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 1/227:15 am -
1 stop7h 39m
Fri 1/2912:39 pm -
1 stop8h 07m
Deal found 10/23![Delta logo]()
$479
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 1/225:30 pm -
1 stop22h 29m
Mon 2/17:20 pm -
1 stop19h 30m
Deal found 10/23![Alaska Airlines logo]()
$556
This Delta deal was found by Cheapflights users on 10/23. 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.
Sun 1/2411:00 am -
2 stops13h 48m
Sat 1/3012:39 pm -
1 stop8h 07m
Deal found 10/23![Delta logo]()
$545
This Delta deal was found by Cheapflights users on 10/23. 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 11/66:13 am -
1 stop7h 28m
Mon 11/94:47 pm -
2 stops13h 22m
Deal found 10/23![Delta logo]()
$636
Last-minute flights from Dulles Intl to Santa RosaDiscover last-minute flight deals from Dulles Intl to Santa Rosa. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Santa Rosa. Data last updated October 26, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 11/66:46 pm -
2 stops25h 22m
Tue 11/105:23 pm -
1 stop9h 21m
Deal found 10/22![Alaska Airlines logo]()
$574
This Delta deal was found by Cheapflights users on 10/22. 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 11/108:05 am -
2 stops11h 01m
Wed 12/211:27 am -
2 stops9h 09m
Deal found 10/22![Delta logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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 11/127:46 am -
1 stop18h 22m
Sun 11/156:00 am -
1 stop8h 40m
Deal found 10/21![Alaska Airlines logo]()
$487
This KAYAK deal was found by Cheapflights users on 10/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:17 pm -
1 stop8h 51m
Tue 11/175:23 pm -
1 stop9h 21m
Deal found 10/22![Alaska Airlines logo]()
$542
This Delta deal was found by Cheapflights users on 10/22. 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 11/178:05 am -
2 stops11h 01m
Sat 12/1211:27 am -
2 stops10h 14m
Deal found 10/22![Delta logo]()
$417
This Delta deal was found by Cheapflights users on 10/22. 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 11/198:05 am -
2 stops11h 01m
Tue 12/111:27 am -
1 stop9h 20m
Deal found 10/22![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 10/22. 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 11/218:05 am -
2 stops11h 01m
Thu 12/311:27 am -
2 stops9h 09m
Deal found 10/22![Delta logo]()
$465
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 11/226:39 pm -
2 stops24h 10m
Sun 11/291:52 pm -
2 stops48h 47m
Deal found 10/22![Alaska Airlines logo]()
$553
One-way flights from Dulles Intl to Santa RosaSearch for one-way flight options from Dulles Intl to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from Dulles Intl to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This Orbitz deal was found by Cheapflights users on 10/22. 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.
Wed 12/166:42 pm -
1 stop18h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Alaska Airlines logo]()
$192
This Delta deal was found by Cheapflights users on 10/25. 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.
Mon 1/117:05 am -
1 stop7h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Delta logo]()
$227
This Travelocity deal was found by Cheapflights users on 10/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:42 pm -
1 stop18h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Alaska Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 10/20. 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 12/27:14 am -
2 stops11h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![American Airlines logo]()
$260
This American Airlines deal was found by Cheapflights users on 10/22. 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 12/167:00 am -
2 stops11h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![American Airlines logo]()
$269
This Delta deal was found by Cheapflights users on 10/23. 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.
Mon 1/257:15 am -
1 stop7h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Delta logo]()
$295
This American Airlines deal was found by Cheapflights users on 10/20. 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 12/11:40 pm -
2 stops13h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![American Airlines logo]()
$304
This Expedia deal was found by Cheapflights users on 10/20. 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.
Tue 12/16:42 pm -
1 stop18h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Alaska Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 10/22. 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 12/17:26 am -
2 stops11h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Delta logo]()
$325
This Delta deal was found by Cheapflights users on 10/24. 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 4/107:15 am -
1 stop7h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Delta logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 10/22. 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 4/85:25 pm -
2 stops23h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Alaska Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 10/21. 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 11/56:13 am -
1 stop7h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$445
Find flight deals from Dulles Intl to Santa Rosa
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Santa Rosa (STS). 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 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $373 (Delta) |
One-way from | $192 (Orbitz) |
Popular in | October |
Cheapest in | February |
Average price | $569 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl 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, Cheapflights users made 7,457,451 searches. Data last updated October 26, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Santa Rosa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Washington, D.C.Santa Rosa
IAD Washington, D.C. Dulles Intl - STS Santa Rosa Sonoma County
IADSTS
Washington, D.C. Dulles Intl
Thu 11/5
6:13 am-10:41 am
1 stop7h 28m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$445
Washington, D.C.Santa Rosa
IAD Washington, D.C. Dulles Intl - STS Santa Rosa Sonoma County
IADSTS
Washington, D.C. Dulles Intl
Sun 11/1
6:13 am-10:41 am
1 stop7h 28m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$455
Washington, D.C.Santa Rosa
IAD Washington, D.C. Dulles Intl - STS Santa Rosa Sonoma County
IADSTS
Washington, D.C. Dulles Intl
Mon 11/2
6:13 am-10:41 am
1 stop7h 28m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$455
Washington, D.C.Santa Rosa
IAD Washington, D.C. Dulles Intl - STS Santa Rosa Sonoma County
IADSTS
Washington, D.C. Dulles Intl
Sat 11/7
6:13 am-10:41 am
1 stop7h 28m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$455
Washington, D.C.Santa Rosa
IAD Washington, D.C. Dulles Intl - STS Santa Rosa Sonoma County
IADSTS
Washington, D.C. Dulles Intl
Fri 10/30
6:13 am-10:41 am
1 stop7h 28m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$455
Washington, D.C.Santa Rosa
IAD Washington, D.C. Dulles Intl - STS Santa Rosa Sonoma County
IADSTS
Washington, D.C. Dulles Intl
Sat 10/31
6:13 am-10:41 am
1 stop7h 28m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$455
Washington, D.C.Santa Rosa
IAD Washington, D.C. Dulles Intl - STS Santa Rosa Sonoma County
IADSTS
Washington, D.C. Dulles Intl
Tue 11/3
6:13 am-10:41 am
1 stop7h 28m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$455
Washington, D.C.Santa Rosa
IAD Washington, D.C. Dulles Intl - STS Santa Rosa Sonoma County
IADSTS
Washington, D.C. Dulles Intl
Thu 11/19
8:05 am-4:06 pm
2 stops11h 01m
Santa Rosa Sonoma County
Tue 12/1
11:27 am-11:47 pm
1 stop9h 20m
$459
Washington, D.C.Santa Rosa
IAD Washington, D.C. Dulles Intl - STS Santa Rosa Sonoma County
IADSTS
Washington, D.C. Dulles Intl
Fri 1/22
7:15 am-11:54 am
1 stop7h 39m
Santa Rosa Sonoma County
Fri 1/29
12:39 pm-11:46 pm
1 stop8h 07m
$479
Washington, D.C.Santa Rosa
IAD Washington, D.C. Dulles Intl - STS Santa Rosa Sonoma County
IADSTS
Washington, D.C. Dulles Intl
Sat 1/9
6:53 pm-10:57 pm
1 stop31h 04m
Santa Rosa Sonoma County
Wed 1/13
2:12 pm-5:50 pm
1 stop24h 38m
$503
Showing 1-10 of 13 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Santa Rosa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Santa Rosa flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Santa Rosa 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 Washington, D.C. Dulles Intl Airport-Santa Rosa 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 Dulles Intl to Santa Rosa
Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Dulles Intl with our price prediction graph.
IAD-STS
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.
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Santa Rosa. 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 Santa Rosa?
Book flights to Santa Rosa if you plan to visit one of these locationsFort Bragg
Ukiah
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