$79+ Cheap flights from Santa Rosa to Seattle (STS - SEA)
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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SEA
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Santa Rosa to Seattle with Cheapflights
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Santa Rosa Sonoma County to Seattle/Tacoma Intl are usually found in February or January, booked 57 days in advance, depart on a Thursday or Saturday and return on a Tuesday
Cheap flight deals from Santa Rosa to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Santa Rosa to SeattleExplore the most affordable flight options available from Santa Rosa to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Santa Rosa to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This Southwest deal was found by Cheapflights users on 9/5. 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 10/33:05 pm -
1 stop7h 15m
Sat 10/1011:40 am -
2 stops8h 20m
Deal found 9/5![Southwest logo]()
$162
This Southwest deal was found by Cheapflights users on 9/7. 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 10/294:50 pm -
2 stops6h 55m
Sat 10/317:55 am -
2 stops10h 25m
Deal found 9/7![Southwest logo]()
$167
This Southwest deal was found by Cheapflights users on 9/9. 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 stops7h 55m
Sat 11/143:10 pm -
1 stop5h 15m
Deal found 9/9![Southwest logo]()
$172
This Southwest deal was found by Cheapflights users on 9/8. 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.
Tue 10/276:35 am -
2 stops15h 10m
Wed 10/288:45 am -
2 stops13h 00m
Deal found 9/8![Southwest logo]()
$173
This Southwest deal was found by Cheapflights users on 9/7. 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.
Tue 10/66:35 am -
2 stops15h 10m
Fri 10/235:10 pm -
1 stop6h 10m
Deal found 9/7![Southwest logo]()
$178
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/316:19 am -
1 stop14h 07m
Tue 11/33:58 pm -
1 stop6h 27m
Deal found 9/7![Alaska Airlines logo]()
$203
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/226:19 am -
1 stop6h 09m
Mon 10/262:59 pm -
1 stop8h 01m
Deal found 9/7![Alaska Airlines logo]()
$223
This American Airlines deal was found by Cheapflights users on 9/9. 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 12/51:24 pm -
1 stop6h 45m
Tue 12/86:20 am -
1 stop6h 28m
Deal found 9/9![American Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/234:35 pm -
1 stop5h 58m
Wed 10/287:04 am -
1 stop7h 48m
Deal found 9/7![Alaska Airlines logo]()
$233
This Southwest deal was found by Cheapflights users on 9/5. 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 12/116:05 am -
1 stop6h 55m
Sun 12/131:40 pm -
2 stops9h 00m
Deal found 9/5![Southwest logo]()
$247
This Southwest deal was found by Cheapflights users on 9/5. 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 10/76:35 am -
2 stops15h 10m
Tue 10/138:45 am -
2 stops13h 00m
Deal found 9/5![Southwest logo]()
$248
Best flights from Santa Rosa to SeattleDiscover carefully curated flight deals from Santa Rosa to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Santa Rosa to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Southwest deal was found by Cheapflights users on 9/5. 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 stops8h 45m
Tue 11/1711:05 am -
2 stops10h 25m
Deal found 9/5![Southwest logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/194:35 pm -
1 stop21h 42m
Fri 10/239:08 pm -
1 stop12h 51m
Deal found 9/7![Alaska Airlines logo]()
$203
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 10/224:35 pm -
1 stop22h 42m
Tue 11/37:46 pm -
1 stop17h 16m
Deal found 9/6![Alaska Airlines logo]()
$223
This Southwest deal was found by Cheapflights users on 9/5. 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 10/76:35 am -
2 stops15h 10m
Tue 10/138:45 am -
2 stops13h 00m
Deal found 9/5![Southwest logo]()
$248
This Southwest deal was found by Cheapflights users on 9/9. 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 10/311:45 pm -
1 stop5h 55m
Mon 11/25:00 am -
2 stops9h 35m
Deal found 9/9![Southwest logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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 11/135:23 pm -
Nonstop2h 04m
Tue 11/175:30 pm -
1 stop21h 59m
Deal found 9/5![Alaska Airlines logo]()
$280
This Southwest deal was found by Cheapflights users on 9/6. 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 10/223:10 pm -
1 stop5h 50m
Tue 11/1011:35 am -
2 stops9h 55m
Deal found 9/6![Southwest logo]()
$272
This Southwest deal was found by Cheapflights users on 9/6. 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 10/124:50 pm -
2 stops8h 10m
Wed 10/148:45 am -
2 stops13h 00m
Deal found 9/6![Southwest logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 10/95:06 pm -
Nonstop2h 00m
Thu 10/157:30 am -
1 stop11h 55m
Deal found 9/9![Alaska Airlines logo]()
$330
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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 10/317:00 am -
Nonstop2h 00m
Tue 11/38:00 pm -
Nonstop2h 09m
Deal found 9/5![Alaska Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 9/5. 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.
Tue 11/32:35 pm -
2 stops7h 40m
Sun 11/86:15 am -
1 stop7h 25m
Deal found 9/5![Southwest logo]()
$318
Last-minute flights from Santa Rosa to SeattleDiscover last-minute flight deals from Santa Rosa to Seattle. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to Seattle. Data last updated September 10, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/5. 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 10/33:05 pm -
1 stop7h 15m
Sat 10/1011:40 am -
2 stops8h 20m
Deal found 9/5![Southwest logo]()
$162
This Southwest deal was found by Cheapflights users on 9/7. 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.
Tue 10/61:30 pm -
1 stop9h 30m
Fri 10/235:10 pm -
1 stop6h 10m
Deal found 9/7![Southwest logo]()
$172
This Southwest deal was found by Cheapflights users on 9/5. 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 10/76:35 am -
2 stops15h 10m
Tue 10/138:45 am -
2 stops13h 00m
Deal found 9/5![Southwest logo]()
$248
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:19 am -
1 stop17h 18m
Mon 10/127:04 am -
1 stop26h 55m
Deal found 9/9![Alaska Airlines logo]()
$253
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/226:19 am -
1 stop6h 09m
Mon 10/262:59 pm -
1 stop8h 01m
Deal found 9/7![Alaska Airlines logo]()
$223
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/236:19 am -
1 stop6h 09m
Sat 10/317:04 am -
1 stop7h 48m
Deal found 9/7![Alaska Airlines logo]()
$233
This Southwest deal was found by Cheapflights users on 9/8. 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.
Tue 10/276:35 am -
2 stops15h 10m
Wed 10/288:45 am -
2 stops13h 00m
Deal found 9/8![Southwest logo]()
$173
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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 10/2710:00 am -
2 stops21h 20m
Wed 10/2810:58 am -
Nonstop2h 08m
Deal found 9/8![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 9/7. 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 10/294:50 pm -
2 stops6h 55m
Sat 10/317:55 am -
2 stops10h 25m
Deal found 9/7![Southwest logo]()
$167
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/316:19 am -
1 stop14h 07m
Tue 11/33:58 pm -
1 stop6h 27m
Deal found 9/7![Alaska Airlines logo]()
$203
One-way flights from Santa Rosa to SeattleSearch for one-way flight options from Santa Rosa to Seattle. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Santa Rosa to Seattle. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Southwest deal was found by Cheapflights users on 9/7. 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 11/126:05 am -
1 stop6h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$79
This Southwest deal was found by Cheapflights users on 9/6. 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 stop8h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Southwest logo]()
$89
This Southwest deal was found by Cheapflights users on 9/7. 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 10/164:50 pm -
2 stops6h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$94
This American Airlines deal was found by Cheapflights users on 9/5. 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 12/17:20 am -
1 stop6h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$129
This American Airlines deal was found by Cheapflights users on 9/6. 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 11/127:25 am -
1 stop6h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![American Airlines logo]()
$139
This Priceline deal was found by Cheapflights users on 9/7. 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 10/76:19 am -
1 stop8h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Alaska Airlines logo]()
$142
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 10/316:19 am -
2 stops9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Alaska Airlines logo]()
$150
This Priceline deal was found by Cheapflights users on 9/7. 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.
Fri 10/166:19 am -
1 stop7h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Alaska Airlines logo]()
$152
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 10/96:19 am -
1 stop14h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 9/8. 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 11/63:10 pm -
1 stop10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Southwest logo]()
$159
Find flight deals from Santa Rosa to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Seattle (SEA). 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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $162 (Southwest) |
One-way from | $79 (Southwest) |
Popular in | June |
Cheapest in | February |
Average price | $297 |
Good round-trip deal | $317 or less |
Good one-way deal | $198 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Santa Rosa to Seattle 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 September 10, 2026.
Use the filters below to find and compare flights from Santa Rosa to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Santa RosaSeattle
STS Santa Rosa Sonoma County - SEA Seattle/Tacoma Intl
STSSEA
Santa Rosa Sonoma County
Thu 11/12
6:05 am-1:00 pm
1 stop6h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
Santa RosaSeattle
STS Santa Rosa Sonoma County - SEA Seattle/Tacoma Intl
STSSEA
Santa Rosa Sonoma County
Fri 1/29
7:35 am-1:05 pm
1 stop5h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
Santa RosaSeattle
STS Santa Rosa Sonoma County - SEA Seattle/Tacoma Intl
STSSEA
Santa Rosa Sonoma County
Fri 11/6
4:10 pm-12:05 am
2 stops7h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$94
Santa RosaSeattle
STS Santa Rosa Sonoma County - SEA Seattle/Tacoma Intl
STSSEA
Santa Rosa Sonoma County
Thu 11/12
7:25 am-1:51 pm
1 stop6h 26m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
Santa RosaSeattle
STS Santa Rosa Sonoma County - SEA Seattle/Tacoma Intl
STSSEA
Santa Rosa Sonoma County
Fri 11/13
4:10 pm-12:55 am
2 stops8h 45m
Seattle/Tacoma Intl
Tue 11/17
11:05 am-9:30 pm
2 stops10h 25m
$177
Santa RosaSeattle
STS Santa Rosa Sonoma County - SEA Seattle/Tacoma Intl
STSSEA
Santa Rosa Sonoma County
Mon 10/19
4:35 pm-2:17 pm
1 stop21h 42m
Seattle/Tacoma Intl
Fri 10/23
9:08 pm-9:59 am
1 stop12h 51m
$203
Quickest round-trip
Santa RosaSeattle
STS Santa Rosa Sonoma County - SEA Seattle/Tacoma Intl
STSSEA
Santa Rosa Sonoma County
Tue 10/6
5:06 pm-7:06 pm
Nonstop2h 00m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$209
Santa RosaSeattle
STS Santa Rosa Sonoma County - SEA Seattle/Tacoma Intl
STSSEA
Santa Rosa Sonoma County
Tue 10/13
5:06 pm-7:06 pm
Nonstop2h 00m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$209
Santa RosaSeattle
STS Santa Rosa Sonoma County - SEA Seattle/Tacoma Intl
STSSEA
Santa Rosa Sonoma County
Tue 12/1
5:31 pm-9:09 am
2 stops15h 38m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$216
Santa RosaSeattle
STS Santa Rosa Sonoma County - SEA Seattle/Tacoma Intl
STSSEA
Santa Rosa Sonoma County
Fri 10/9
5:06 pm-7:06 pm
Nonstop2h 00m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$217
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Santa Rosa to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santa Rosa to Seattle in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Santa Rosa-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Santa Rosa-Seattle 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-Seattle 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 Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Santa Rosa with our price prediction graph.
STS-SEA
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.
Cheapflights Insights
Everything you need to know about your flight from Santa Rosa to Seattle
Prices
Airlines
How far ahead should I book a flight from Santa Rosa to Seattle?
The best time to book flights from Santa Rosa to Seattle is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Santa Rosa to Seattle?
Currently, February is the cheapest month in which you can book a flight from Santa Rosa to Seattle (average of $236). Flying from Santa Rosa to Seattle in June is currently the most expensive (average of $430). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from STS to SEA?
Find hourly flight availability from Santa Rosa to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 10, 2026.
One of the essential ways to save on airfare from Santa Rosa to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 15% on airfare.
What is the cheapest day to fly from Santa Rosa to Seattle?
Use this chart to determine the cheapest time to fly round-trip from Santa Rosa to Seattle. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their Santa Rosa to Seattle flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated September 10, 2026.
See what other customers who have flown with Alaska Airlines and Hawaiian Airlines from Santa Rosa to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Food
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Related info for your journey
Find useful and relevant information for your journey from Santa Rosa to Seattle. 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 Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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Top 2 airlines flying from Santa Rosa to Seattle
Discover the top 2 airlines that operate flights from Santa Rosa to Seattle. 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 September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$197 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$154 | Average$309 | FlexibilityNo cancel fee | On-time75% |