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$425+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — STS
Oct 15 — Oct 221
From?
To?
Tue 10/15
Tue 10/22
1 adult, Economy
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Cheap 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 10, 2024.

Popular in

March

Cheapest in

December

Average price

$667

Round-trip from

$425
(Alaska Airlines)
High demand for flights, 51% potential price rise
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Best time to find cheap flights, 34% potential price drop
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Average for round-trip flights in October 2024
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From Lambert-St Louis to Santa Rosa Sonoma County
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Cheap St. Louis to Santa Rosa flights in October & November 2024

Find cheap flight options from St. Louis to Santa Rosa specifically for the months of October and November 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,713,696 searches. Prices were last updated on October 10, 2024.
This Alaska Airlines deal was found by Cheapflights users on 10/10. 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 11/72:24 pmSTL - STS
1 stop9h 18mAlaska Airlines
Sun 11/107:00 amSTS - STL
1 stop14h 59mAlaska Airlines
Deal found 10/10$1,364

St. Louis to Santa Rosa 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Santa Rosa in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,713,696 searches. Data last updated October 10, 2024.
This Alaska Airlines deal was found by Cheapflights users on 10/10. 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 11/72:24 pmSTL - STS
1 stop9h 18mAlaska Airlines
Sun 11/107:00 amSTS - STL
1 stop14h 59mAlaska Airlines
Deal found 10/10$1,364

Find flights from St. Louis to Santa Rosa within your budget

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 2,713,696 searches. Data last updated October 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$425 - $475

Route

Depart

Return

Price

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Tue 10/29

2 stops15h 00m

Santa Rosa Sonoma County

Fri 11/1

1 stop7h 01m

$425

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Tue 10/29

1 stop8h 35m

Santa Rosa Sonoma County

Fri 11/1

1 stop8h 28m

$475

Flights are sorted by cheapest first

Deals found on 10/9

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.
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.

Travel insights for flights from St. Louis to Santa Rosa

Get recent, data-driven insights about flights from St. Louis to Santa Rosa including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis to Santa Rosa?

Currently, February is the cheapest month in which you can book a flight from St. Louis to Santa Rosa (average of $213). Flying from St. Louis to Santa Rosa in June is currently the most expensive (average of $396). 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 STL to STS?

Find hourly flight availability from St. Louis to Santa Rosa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 10, 2024.

When flying from St. Louis to Santa Rosa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Santa Rosa by month

Plan your trip to Santa Rosa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santa Rosa ranges from 0.0 - 7.1 inches per month. January is typically the wettest month, when rainfall can reach 7.1 in. July is typically the driest time to visit Santa Rosa when rainfall is around 0.0 in.

Temperature in Santa Rosa by month

Plan your trip to Santa Rosa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santa Rosa, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

Reviews of airlines servicing Santa Rosa

Get insights into the airlines that provide service to Santa Rosa. 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 Santa Rosa. Reviews last updated October 10, 2024.
Alaska Airlines
8.0
Very good
9,392 reviews

Overall

8.0

Food

7.2

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Alaska Airlines
8.0
Very good
9,392 reviews
Alaska Airlines
8.0
Very good
9,392 reviews

Overall

8.0

Food

7.2

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

American Airlines
7.3
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,392 reviews

Overall

8.0

Food

7.2

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

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.

  • Can I find flights from St. Louis to Santa Rosa for under $500 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Santa Rosa for under $500. The cheapest flight booked recently is on Alaska Airlines for just $425, but on average you can expect to pay $450.

  • What are the cheapest airlines flying from St. Louis to Santa Rosa round-trip?

    Alaska Airlines, at $425, was found to be the cheapest airline from St. Louis to Santa Rosa. An alternate airline flying to your destination would be American Airlines. Alaska Airlines is currently priced 37% below the average price you’ll pay for this route.

  • What does STL to STS mean?

    Great question - STL to STS just means Lambert-St Louis Airport to Santa Rosa Sonoma County Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from St. Louis to Santa Rosa that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Santa Rosa flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Santa Rosa with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Santa Rosa flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Santa Rosa that include hotel bookings?

    Yes. In addition to deals on St. Louis to Santa Rosa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Santa Rosa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Santa Rosa.

  • Can I find deals for business class flights from St. Louis to Santa Rosa?

    Yes. Cheapflights offers flight deals from St. Louis to Santa Rosa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Santa Rosa that allow pets onboard?

    Many airlines flying from St. Louis to Santa Rosa offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Santa Rosa?

    Yes, you can often find last-minute deals on St. Louis to Santa Rosa flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Santa Rosa flight deals updated?

    The St. Louis to Santa Rosa flight deals you see on this page were last updated on 10/10.

  • What is the cheapest month to book a flight from St. Louis to Santa Rosa?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Santa Rosa (average of $213). Flying from St. Louis to Santa Rosa in June is currently the most expensive (average of $396). 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.

See more FAQs

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Alternative routes for St. Louis to Santa Rosa
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Top airline flying from St. Louis to Santa Rosa

Discover the top airline that operate flights from St. Louis to Santa Rosa. 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 2,713,696 searches. Data last updated October 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$398Average$628FlexibilityNo cancel feeOn-time71%
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