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Cheap flights from St. Louis to Santa Rosa (STL - STS) from $438

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 6/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — STS
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
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 May 30, 2024.

Popular in

March

Cheapest in

January

Average price

$530

Round-trip from

$268
High demand for flights, 52% potential price rise
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Best time to find cheap flights, 36% potential price drop
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Average for round-trip flights in May 2024
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From Lambert-St Louis to Santa Rosa Sonoma County
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What is the cheapest day to fly round-trip from St. Louis to Santa Rosa?

Flights from St. Louis to Santa Rosa are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Santa Rosa.

How far in advance should I book a flight from St. Louis to Santa Rosa?

Travelers have found it’s best to book a flight 55 days in advance to save up to 82% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 55 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Santa Rosa 1-2 weeks in advance for as low as $210, or $360 for flights within the next 24 hours.

What is the cheapest month to fly from St. Louis to Santa Rosa?

April can be a great time to fly to Santa Rosa from St. Louis with a flight ticket averaging about $388. Cheapflights users have found deals in the month of April for as cheap as $138. The most expensive prices can be found in the month of June.

What is the cheapest time of day to fly from STL to STS?

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.

Cheap American Airlines flights from St. Louis to Santa Rosa

Explore cheap flight options specifically provided by American Airlines for the route between St. Louis and Santa Rosa. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Sat 6/297:00 amSTL - STS
1 stop6h 53mAmerican Airlines
Fri 7/56:00 amSTS - STL
1 stop8h 50mAmerican Airlines
Deal found 5/30$438
Sat 6/297:00 amSTL - STS
1 stop6h 53mAmerican Airlines
Fri 7/54:11 pmSTS - STL
1 stop5h 44mAmerican Airlines
Deal found 5/29$498
Sat 6/296:00 amSTL - STS
2 stops11h 43mAmerican Airlines
Fri 7/512:28 pmSTS - STL
1 stop6h 19mAmerican Airlines
Deal found 5/29$503
Sat 6/295:27 amSTL - STS
1 stop8h 26mAmerican Airlines
Fri 7/56:00 amSTS - STL
2 stops13h 54mAmerican Airlines
Deal found 5/30$527
Thu 8/155:00 amSTL - STS
1 stop8h 47mAmerican Airlines
Sun 8/184:15 pmSTS - STL
2 stops13h 56mAmerican Airlines
Deal found 5/30$582
Sat 6/296:00 amSTL - STS
2 stops11h 43mAmerican Airlines
Fri 7/56:00 amSTS - STL
2 stops13h 54mAmerican Airlines
Deal found 5/29$592
Sun 7/145:22 amSTL - STS
1 stop8h 26mAmerican Airlines
Thu 7/1812:28 pmSTS - STL
1 stop8h 24mAmerican Airlines
Deal found 5/29$628
Sun 7/145:22 amSTL - STS
1 stop8h 26mAmerican Airlines
Thu 7/184:11 pmSTS - STL
2 stops14h 19mAmerican Airlines
Deal found 5/29$632
Sun 7/146:04 amSTL - STS
2 stops11h 37mAmerican Airlines
Thu 7/184:11 pmSTS - STL
2 stops14h 19mAmerican Airlines
Deal found 5/29$747

Cheap St. Louis to Santa Rosa flights in May & June 2024

Find cheap flight options from St. Louis to Santa Rosa specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 2024.
Sat 6/297:00 amSTL - STS
1 stop6h 53mAmerican Airlines
Fri 7/54:11 pmSTS - STL
1 stop5h 44mAmerican Airlines
Deal found 5/29$498
Sat 6/296:00 amSTL - STS
2 stops11h 43mAmerican Airlines
Fri 7/512:28 pmSTS - STL
1 stop6h 19mAmerican Airlines
Deal found 5/29$503
Sat 6/2912:15 pmSTL - STS
3 stops35h 05mMultiple Airlines
Fri 7/510:55 amSTS - STL
3 stops23h 40mMultiple Airlines
Deal found 5/29$585
Sat 6/296:00 amSTL - STS
2 stops11h 43mAmerican Airlines
Fri 7/56:00 amSTS - STL
2 stops13h 54mAmerican Airlines
Deal found 5/29$592

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 2,784,634 searches. Data last updated May 30, 2024.
Sat 6/297:00 amSTL - STS
1 stop6h 53mAmerican Airlines
Fri 7/54:11 pmSTS - STL
1 stop5h 44mAmerican Airlines
Deal found 5/29$498
Sat 6/296:00 amSTL - STS
2 stops11h 43mAmerican Airlines
Fri 7/512:28 pmSTS - STL
1 stop6h 19mAmerican Airlines
Deal found 5/29$503
Sat 6/2912:15 pmSTL - STS
3 stops35h 05mMultiple Airlines
Fri 7/510:55 amSTS - STL
3 stops23h 40mMultiple Airlines
Deal found 5/29$585
Sat 6/296:00 amSTL - STS
2 stops11h 43mAmerican Airlines
Fri 7/56:00 amSTS - STL
2 stops13h 54mAmerican Airlines
Deal found 5/29$592
Sun 7/145:22 amSTL - STS
1 stop8h 26mAmerican Airlines
Thu 7/1812:28 pmSTS - STL
1 stop8h 24mAmerican Airlines
Deal found 5/29$628
Sun 7/145:22 amSTL - STS
1 stop8h 26mAmerican Airlines
Thu 7/184:11 pmSTS - STL
2 stops14h 19mAmerican Airlines
Deal found 5/29$632
Sun 7/146:04 amSTL - STS
2 stops11h 37mAmerican Airlines
Thu 7/184:11 pmSTS - STL
2 stops14h 19mAmerican Airlines
Deal found 5/29$747

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 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$438 - $650

Route

Depart

Return

Price

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Sat 6/29

1 stop6h 53m

Santa Rosa Sonoma County

Fri 7/5

1 stop8h 50m

$438

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Thu 8/15

3 stops31h 40m

Santa Rosa Sonoma County

Sun 8/18

2 stops23h 52m

$459

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Sat 6/29

1 stop6h 53m

Santa Rosa Sonoma County

Fri 7/5

1 stop5h 44m

$498

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Sat 6/29

2 stops11h 43m

Santa Rosa Sonoma County

Fri 7/5

1 stop6h 19m

$503

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Sat 6/29

1 stop8h 26m

Santa Rosa Sonoma County

Fri 7/5

2 stops13h 54m

$527

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Thu 8/15

3 stops26h 55m

Santa Rosa Sonoma County

Sun 8/18

3 stops33h 09m

$545

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Thu 8/15

1 stop8h 47m

Santa Rosa Sonoma County

Sun 8/18

2 stops13h 56m

$582

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Sat 6/29

3 stops35h 05m

Santa Rosa Sonoma County

Fri 7/5

3 stops23h 40m

$585

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Thu 8/15

1 stop20h 18m

Santa Rosa Sonoma County

Sun 8/18

1 stop20h 42m

$650

Flights are sorted by cheapest first

Deals found on 5/30

What is the cheapest day to fly from St. Louis to Santa Rosa?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Santa Rosa. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Santa Rosa flight should consider departing on Tuesday mornings 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.
Search Deals

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.

Temperature and rainfall in Santa Rosa by month

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

SFO

Temperature

51.8 - 62.6 °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 May 30, 2024.
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Boarding

8.2

Entertainment

7.3

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,192 reviews
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Boarding

8.2

Entertainment

7.3

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,284 reviews
Alaska Airlines
8.1
Very good
9,192 reviews
Check prices

Boarding

8.2

Entertainment

7.3

Food

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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 American Airlines for just $438, but on average you can expect to pay $582.

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

    American Airlines, at $438, was found to be the cheapest airline from St. Louis to Santa Rosa. An alternate airline flying to your destination would be Alaska Airlines. American Airlines is currently priced 34% 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 5/29.

  • 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 $408). 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.

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Alternative routes for St. Louis to Santa Rosa
See prices for flight routes from nearby airports that may be better suited for you.

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Top 2 airlines flying from St. Louis to Santa Rosa

Discover the top 2 airlines 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 2,784,634 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$384Average$529FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
American AirlinesCheapest$428Average$590FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Search flights from St. Louis to Santa Rosa by cabin class

Find flights from St. Louis to Santa Rosa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Santa Rosa?

Cheapflights helps you search for flights from St. Louis to Santa Rosa via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Santa Rosa?

Millions of users choose and trust Cheapflights to book the best flight deals from St. Louis to Santa Rosa for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from St. Louis to Santa Rosa with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to Santa Rosa, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from St. Louis to Santa Rosa become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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