$162+ Cheap flights from St. Louis to Santa Rosa (STL - 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STS
Nov 8 — Nov 151
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Santa Rosa 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.Cheap flight deals from St. Louis to Santa Rosa
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to Santa RosaExplore the most affordable flight options available from St. Louis to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 9, 2026.
Explore the most affordable flight options available from St. Louis to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/6. 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 11/56:00 am -
1 stop8h 18m
Thu 11/126:00 am -
2 stops15h 59m
Deal found 10/6![Alaska Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:21 am -
2 stops11h 44m
Thu 11/124:47 pm -
1 stop5h 53m
Deal found 10/5![Delta logo]()
$413
This Southwest deal was found by Cheapflights users on 10/5. 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.
Thu 11/58:25 am -
1 stop8h 10m
Thu 11/123:10 pm -
1 stop7h 45m
Deal found 10/5![Southwest logo]()
$414
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:21 am -
2 stops11h 44m
Thu 11/124:47 pm -
1 stop5h 53m
Deal found 10/5![Delta logo]()
$420
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 11/1710:21 am -
2 stops14h 17m
Wed 11/1811:30 am -
1 stop7h 12m
Deal found 10/8![Alaska Airlines logo]()
$428
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:00 am -
1 stop8h 14m
Sat 11/211:29 pm -
1 stop8h 20m
Deal found 10/8![American Airlines logo]()
$460
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 11/76:00 am -
1 stop8h 18m
Thu 11/127:07 am -
2 stops14h 52m
Deal found 10/5![Alaska Airlines logo]()
$463
Best flights from St. Louis to Santa RosaDiscover carefully curated flight deals from St. Louis to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
Discover carefully curated flight deals from St. Louis to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/6. 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 11/56:00 am -
1 stop8h 18m
Thu 11/127:20 am -
1 stop14h 39m
Deal found 10/6![Alaska Airlines logo]()
$413
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:00 am -
2 stops9h 54m
Sat 11/211:29 pm -
2 stops8h 06m
Deal found 10/8![American Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:47 am -
2 stops11h 18m
Mon 10/264:49 pm -
1 stop5h 55m
Deal found 10/5![Delta logo]()
$571
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 11/1710:21 am -
2 stops14h 17m
Wed 11/1811:30 am -
1 stop7h 12m
Deal found 10/8![Alaska Airlines logo]()
$428
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:47 am -
2 stops11h 18m
Tue 10/2711:21 am -
2 stops10h 00m
Deal found 10/5![Delta logo]()
$576
Last-minute flights from St. Louis to Santa RosaDiscover last-minute flight deals from St. Louis to Santa Rosa. Data last updated October 9, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Santa Rosa. Data last updated October 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:21 am -
2 stops11h 44m
Thu 11/124:47 pm -
1 stop5h 53m
Deal found 10/5![Delta logo]()
$420
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:21 am -
2 stops11h 44m
Thu 11/124:47 pm -
1 stop5h 53m
Deal found 10/5![Delta logo]()
$413
This Alaska Airlines deal was found by Cheapflights users on 10/6. 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 11/56:00 am -
1 stop8h 18m
Thu 11/126:00 am -
2 stops15h 59m
Deal found 10/6![Alaska Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 10/5. 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.
Thu 11/58:25 am -
1 stop8h 10m
Thu 11/123:10 pm -
1 stop7h 45m
Deal found 10/5![Southwest logo]()
$414
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 11/76:00 am -
1 stop8h 18m
Thu 11/127:07 am -
2 stops14h 52m
Deal found 10/5![Alaska Airlines logo]()
$463
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:00 am -
1 stop8h 14m
Sat 11/211:29 pm -
1 stop8h 20m
Deal found 10/8![American Airlines logo]()
$460
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 11/1710:21 am -
2 stops14h 17m
Wed 11/1811:30 am -
1 stop7h 12m
Deal found 10/8![Alaska Airlines logo]()
$428
One-way flights from St. Louis to Santa RosaSearch for one-way flight options from St. Louis to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
Search for one-way flight options from St. Louis to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
This American Airlines deal was found by Cheapflights users on 10/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:58 am -
1 stop9h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![American Airlines logo]()
$162
This Delta deal was found by Cheapflights users on 10/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:47 am -
2 stops11h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Delta logo]()
$167
This Southwest deal was found by Cheapflights users on 10/8. 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 11/276:10 am -
2 stops10h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Southwest logo]()
$212
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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.
Wed 11/410:21 am -
2 stops14h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Alaska Airlines logo]()
$217
This American Airlines deal was found by Cheapflights users on 10/5. 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 11/38:00 am -
1 stop9h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![American Airlines logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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.
Mon 11/26:00 am -
1 stop8h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Alaska Airlines logo]()
$253
This Southwest deal was found by Cheapflights users on 10/6. 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 1/153:00 pm -
2 stops9h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Southwest logo]()
$258
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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.
Sun 11/86:00 am -
1 stop8h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Alaska Airlines logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 11/63:23 pm -
1 stop9h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Alaska Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 10/8. 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.
Sun 11/295:15 am -
1 stop13h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Southwest logo]()
$351
Find flight deals from St. Louis to Santa Rosa
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) 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 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $390 (Alaska Airlines) |
One-way from | $162 (American Airlines) |
Popular in | February |
Cheapest in | January |
Average price | $496 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis 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 9, 2026.
Use the filters below to find and compare flights from St. Louis to Santa Rosa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisSanta Rosa
STL Lambert-St Louis - STS Santa Rosa Sonoma County
STLSTS
Lambert-St Louis
Sat 11/7
7:00 am-4:05 pm
2 stops11h 05m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$167
St. LouisSanta Rosa
STL Lambert-St Louis - STS Santa Rosa Sonoma County
STLSTS
Lambert-St Louis
Sat 10/31
6:47 am-4:05 pm
2 stops11h 18m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$167
St. LouisSanta Rosa
STL Lambert-St Louis - STS Santa Rosa Sonoma County
STLSTS
Lambert-St Louis
Fri 11/27
6:10 am-2:35 pm
2 stops10h 25m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$212
St. LouisSanta Rosa
STL Lambert-St Louis - STS Santa Rosa Sonoma County
STLSTS
Lambert-St Louis
Wed 11/4
10:21 am-10:38 pm
2 stops14h 17m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$217
St. LouisSanta Rosa
STL Lambert-St Louis - STS Santa Rosa Sonoma County
STLSTS
Lambert-St Louis
Wed 2/17
3:45 pm-9:48 pm
2 stops8h 03m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$245
St. LouisSanta Rosa
STL Lambert-St Louis - STS Santa Rosa Sonoma County
STLSTS
Lambert-St Louis
Mon 11/2
6:00 am-12:18 pm
1 stop8h 18m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$253
St. LouisSanta Rosa
STL Lambert-St Louis - STS Santa Rosa Sonoma County
STLSTS
Lambert-St Louis
Fri 1/15
5:30 am-3:05 pm
1 stop11h 35m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$258
St. LouisSanta Rosa
STL Lambert-St Louis - STS Santa Rosa Sonoma County
STLSTS
Lambert-St Louis
Sun 11/29
5:15 am-4:15 pm
1 stop13h 00m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$351
Quickest round-trip
St. LouisSanta Rosa
STL Lambert-St Louis - STS Santa Rosa Sonoma County
STLSTS
Lambert-St Louis
Thu 10/22
4:42 pm-9:56 pm
1 stop7h 14m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$405
St. LouisSanta Rosa
STL Lambert-St Louis - STS Santa Rosa Sonoma County
STLSTS
Lambert-St Louis
Thu 10/22
3:20 pm-11:20 pm
2 stops10h 00m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$410
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Santa Rosa
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 St. Louis to Santa Rosa in October.
| 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 St. Louis-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Santa Rosa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Santa Rosa flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-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 St. Louis-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 St. Louis to Santa Rosa
Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from St. Louis with our price prediction graph.
STL-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 St. Louis 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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