$245+ Cheap flights from Santa Rosa to St. Louis (STS - STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
STS — STL
May 4 — May 111
1 adult, Economy
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Find cheap flights from Santa Rosa to St. Louis 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 Santa Rosa to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to St. Louis (STL). 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 April 29, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $564 (American Airlines) |
One-way from | $245 (American Airlines) |
Popular in | November |
Cheapest in | October |
Average price | $589 |
Find flight deals from Santa Rosa to St. Louis
Cheapest flights from Santa Rosa to St. LouisExplore the most affordable flight options available from Santa Rosa to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.
Explore the most affordable flight options available from Santa Rosa to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Fri 8/112:20 pmSTS - STL
1 stop6h 11mAmerican Airlines
Sat 8/95:15 amSTL - STS
1 stop8h 22mAmerican Airlines
Deal found 4/28![American Airlines logo]()
$564
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 8/18:01 pmSTS - STL
2 stops10h 12mAlaska Airlines
Sat 8/910:08 amSTL - STS
2 stops10h 59mAlaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$628
Cheapflights Fare Finder
Customize your flight search to find flights from Santa Rosa to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Santa Rosa to St. Louis that are best for you.
Fly from
Santa Rosa
Fly to
St. Louis
Route
Depart
Return
Price
Santa RosaSt. Louis
STS - STL
STSSTL
Santa Rosa Sonoma County
Fri 8/1
12:20 pm-8:31 pm
1 stop6h 11m
Lambert-St Louis
Sat 8/9
5:15 am-11:37 am
1 stop8h 22m
$564
Santa RosaSt. Louis
STS - STL
STSSTL
Santa Rosa Sonoma County
Fri 8/1
8:01 pm-8:13 am
2 stops10h 12m
Lambert-St Louis
Sat 8/9
10:08 am-7:07 pm
2 stops10h 59m
$628
Santa RosaSt. Louis
STS - STL
STSSTL
Santa Rosa Sonoma County
Tue 7/1
12:30 pm-11:19 pm
1 stop8h 49m
$245
Santa RosaSt. Louis
STS - STL
STSSTL
Santa Rosa Sonoma County
Tue 7/1
8:01 pm-9:18 am
2 stops11h 17m
$329
Compare providers for flights from Santa Rosa to St. Louis
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 St. Louis in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Santa Rosa-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Santa Rosa-St. Louis flights, Cheapflights users trust Expedia the most. Expedia 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-St. Louis 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 St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Santa Rosa with our price prediction graph.
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 St. Louis
What is the cheapest month to book a flight from Santa Rosa to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Santa Rosa to St. Louis (average of $311). Flying from Santa Rosa to St. Louis in March is currently the most expensive (average of $356). 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.
Rainfall in St. Louis by month
Plan your trip to St. Louis by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.
Temperature in St. Louis by month
Plan your trip to St. Louis by taking into account the average temperature totals by month.
If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated April 29, 2025.
Overall
8.0
Crew
8.5
Entertainment
7.1
Boarding
8.2
Food
7.1
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Overall
8.0
Crew
8.5
Entertainment
7.1
Boarding
8.2
Food
7.1
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Overall
8.0
Crew
8.5
Entertainment
7.1
Boarding
8.2
Food
7.1
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Related info for your journey
Find useful and relevant information for your journey from Santa Rosa to St. Louis. 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 locationsFenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
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Alternative routes for Santa Rosa to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Santa Rosa to St. Louis
Discover the top 2 airlines that operate flights from Santa Rosa to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$346 | Average$614 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$432 | Average$659 | FlexibilityNo cancel fee | On-time75% |