Cheap flights from St. Louis to Santa Rosa (STL - STS) from $462

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 4/27. 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
Apr 2 — Apr 91

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 March 28, 2024.

Popular in

July

Cheapest in

September

Round-trip from

$268
High demand for flights, 20% potential price rise
Best time to find cheap flights, 28% potential price drop
From Lambert-St Louis to Santa Rosa Sonoma County

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 Thursday. 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 14 days in advance to save up to 7% 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 14 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 $242, or $366 for flights within the next 24 hours.

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

October can be a great time to fly to Santa Rosa from St. Louis with a flight ticket averaging about $414. Cheapflights users have found deals in the month of October for as cheap as $139. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from St. Louis to Santa Rosa (STL - 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 3,228,805 searches. Data last updated March 28, 2024.
Check out some of the cheapest American Airlines flights we've come across from St. Louis to Santa Rosa. Make sure to double check the flight details before booking.
Sat 5/255:21 amSTL - STS
1 stop8h 36mAmerican Airlines
Sat 6/14:20 pmSTS - STL
1 stop5h 36mAmerican Airlines
Deal found 3/27$528
Fri 4/265:20 amSTL - STS
1 stop9h 03mAmerican Airlines
Fri 5/34:24 pmSTS - STL
1 stop5h 33mAmerican Airlines
Deal found 3/27$538
Thu 5/165:21 amSTL - STS
1 stop8h 36mAmerican Airlines
Sat 5/184:20 pmSTS - STL
1 stop5h 36mAmerican Airlines
Deal found 3/27$559
Fri 8/25:22 amSTL - STS
1 stop8h 26mAmerican Airlines
Wed 8/72:19 pmSTS - STL
1 stop6h 05mAmerican Airlines
Deal found 3/27$588
Fri 8/25:22 amSTL - STS
1 stop8h 26mAmerican Airlines
Wed 8/74:12 pmSTS - STL
2 stops15h 52mAmerican Airlines
Deal found 3/27$591
Sat 8/36:00 amSTL - STS
2 stops11h 43mAmerican Airlines
Thu 8/82:19 pmSTS - STL
1 stop6h 05mAmerican Airlines
Deal found 3/27$593
Fri 8/27:00 amSTL - STS
2 stops10h 41mAmerican Airlines
Wed 8/74:12 pmSTS - STL
2 stops15h 52mAmerican Airlines
Deal found 3/27$596
Thu 6/135:27 amSTL - STS
1 stop8h 26mAmerican Airlines
Wed 6/194:14 pmSTS - STL
1 stop5h 32mAmerican Airlines
Deal found 3/27$633
Sat 5/255:21 amSTL - STS
2 stops12h 29mAmerican Airlines
Sat 6/112:37 pmSTS - STL
1 stop8h 22mAmerican Airlines
Deal found 3/27$665

Cheap Alaska Airlines flights from St. Louis to Santa Rosa

Explore cheap flight options specifically provided by Alaska 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 3,228,805 searches. Data last updated March 28, 2024.
Take a gander at the lowest prices we've found on Alaska Airlines flights from St. Louis to Santa Rosa. Deals are refreshing constantly so come back soon for more options.
Sat 4/277:00 amSTL - STS
1 stop8h 23mAlaska Airlines
Wed 5/12:18 pmSTS - STL
1 stop7h 41mAlaska Airlines
Deal found 3/26$462
Sat 4/277:00 amSTL - STS
2 stops30h 59mAlaska Airlines
Wed 5/12:18 pmSTS - STL
1 stop7h 41mAlaska Airlines
Deal found 3/26$498
Sat 4/277:00 amSTL - STS
2 stops30h 59mAlaska Airlines
Wed 5/15:30 pmSTS - STL
2 stops28h 29mAlaska Airlines
Deal found 3/26$537
Fri 5/247:41 pmSTL - STS
1 stop19h 43mAlaska Airlines
Sat 6/17:00 amSTS - STL
1 stop9h 41mAlaska Airlines
Deal found 3/27$730
Fri 5/317:41 pmSTL - STS
1 stop19h 43mAlaska Airlines
Sun 6/211:56 amSTS - STL
2 stops23h 40mAlaska Airlines
Deal found 3/27$744
Fri 5/317:41 pmSTL - STS
2 stops20h 58mAlaska Airlines
Sun 6/27:28 pmSTS - STL
2 stops16h 08mAlaska Airlines
Deal found 3/27$787
Thu 6/137:32 pmSTL - STS
1 stop20h 20mAlaska Airlines
Thu 6/2010:21 amSTS - STL
2 stops11h 38mAlaska Airlines
Deal found 3/27$798
Fri 6/147:00 amSTL - STS
1 stop8h 52mAlaska Airlines
Wed 6/192:42 pmSTS - STL
1 stop7h 17mAlaska Airlines
Deal found 3/27$802
Thu 6/137:32 pmSTL - STS
1 stop20h 20mAlaska Airlines
Thu 6/202:42 pmSTS - STL
1 stop20h 38mAlaska Airlines
Deal found 3/27$812

Cheap St. Louis to Santa Rosa flights in March & April 2024

Find cheap flight options from St. Louis to Santa Rosa specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,228,805 searches. Prices were last updated on March 28, 2024.
Check out some of the best flight deals from St. Louis to Santa Rosa in 2024. More deals are always being added, so be sure to check back regularly.
Sat 4/277:00 amSTL - STS
1 stop8h 23mAlaska Airlines
Wed 5/12:18 pmSTS - STL
1 stop7h 41mAlaska Airlines
Deal found 3/27$462
Sat 4/277:00 amSTL - STS
2 stops30h 59mAlaska Airlines
Wed 5/12:18 pmSTS - STL
1 stop7h 41mAlaska Airlines
Deal found 3/26$498
Sat 4/277:00 amSTL - STS
2 stops30h 59mAlaska Airlines
Wed 5/15:30 pmSTS - STL
2 stops28h 29mAlaska Airlines
Deal found 3/26$537
Fri 4/265:20 amSTL - STS
1 stop9h 03mAmerican Airlines
Fri 5/34:24 pmSTS - STL
1 stop5h 33mAmerican Airlines
Deal found 3/27$538
Fri 4/265:20 amSTL - STS
1 stop9h 03mAmerican Airlines
Fri 5/34:24 pmSTS - STL
2 stops15h 15mAmerican Airlines
Deal found 3/27$670
Fri 4/266:05 amSTL - STS
2 stops11h 49mAmerican Airlines
Fri 5/34:24 pmSTS - STL
2 stops14h 16mAmerican Airlines
Deal found 3/27$881

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 3,228,805 searches. Data last updated March 28, 2024.
Check out some of the best flight deals from St. Louis to Santa Rosa in 2024. More deals are always being added, so be sure to check back regularly.
Sat 4/277:00 amSTL - STS
1 stop8h 23mAlaska Airlines
Wed 5/12:18 pmSTS - STL
1 stop7h 41mAlaska Airlines
Deal found 3/27$462
Sat 4/277:00 amSTL - STS
2 stops30h 59mAlaska Airlines
Wed 5/12:18 pmSTS - STL
1 stop7h 41mAlaska Airlines
Deal found 3/26$498
Sat 5/255:21 amSTL - STS
1 stop8h 36mAmerican Airlines
Sat 6/14:20 pmSTS - STL
1 stop5h 36mAmerican Airlines
Deal found 3/27$528
Sat 4/277:00 amSTL - STS
2 stops30h 59mAlaska Airlines
Wed 5/15:30 pmSTS - STL
2 stops28h 29mAlaska Airlines
Deal found 3/26$537
Fri 4/265:20 amSTL - STS
1 stop9h 03mAmerican Airlines
Fri 5/34:24 pmSTS - STL
1 stop5h 33mAmerican Airlines
Deal found 3/27$538
Thu 5/165:21 amSTL - STS
1 stop8h 36mAmerican Airlines
Sat 5/184:20 pmSTS - STL
1 stop5h 36mAmerican Airlines
Deal found 3/27$559
Fri 8/25:22 amSTL - STS
1 stop8h 26mAmerican Airlines
Wed 8/72:19 pmSTS - STL
1 stop6h 05mAmerican Airlines
Deal found 3/27$588
Fri 8/25:22 amSTL - STS
1 stop8h 26mAmerican Airlines
Wed 8/74:12 pmSTS - STL
2 stops15h 52mAmerican Airlines
Deal found 3/27$591
Sat 8/36:00 amSTL - STS
2 stops11h 43mAmerican Airlines
Thu 8/82:19 pmSTS - STL
1 stop6h 05mAmerican Airlines
Deal found 3/27$593

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 3,228,805 searches. Data last updated March 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$462 - $593

Route

Depart

Return

Price

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Sat 4/27

1 stop8h 23m

Santa Rosa Sonoma County

Wed 5/1

1 stop7h 41m

$462

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Sat 4/27

2 stops30h 59m

Santa Rosa Sonoma County

Wed 5/1

1 stop7h 41m

$498

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Sat 5/25

1 stop8h 36m

Santa Rosa Sonoma County

Sat 6/1

1 stop5h 36m

$528

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Sat 4/27

2 stops30h 59m

Santa Rosa Sonoma County

Wed 5/1

2 stops28h 29m

$537

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Fri 4/26

1 stop9h 03m

Santa Rosa Sonoma County

Fri 5/3

1 stop5h 33m

$538

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Thu 5/16

1 stop8h 36m

Santa Rosa Sonoma County

Sat 5/18

1 stop5h 36m

$559

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Fri 8/2

1 stop8h 26m

Santa Rosa Sonoma County

Wed 8/7

1 stop6h 05m

$588

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Fri 8/2

1 stop8h 26m

Santa Rosa Sonoma County

Wed 8/7

2 stops15h 52m

$591

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Sat 8/3

2 stops11h 43m

Santa Rosa Sonoma County

Thu 8/8

1 stop6h 05m

$593

Flights are sorted by cheapest first

Deals found on 3/26

When is the cheapest time 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 March 24, 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

Average price of flights to Santa Rosa by month

Plan your trip from St. Louis to Santa Rosa by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Santa Rosa is currently $0 while a round-trip flight costs $544. Price data was last updated on March 24, 2024.

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 July is currently the most expensive (average of $381). 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.

January

$248

February

$213

March

$243

April

$301

May

$324

June

$351

July

$381

August

$338

September

$298

October

$368

November

$368

December

$278

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 March 28, 2024.
Read reviews from past customers who have flown American Airlines and Alaska Airlines from St. Louis to Santa Rosa. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,127 reviews

Crew

8.6

Entertainment

7.4

Food

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

8.1
Very good
9,127 reviews
8.1
Very good
9,127 reviews

Crew

8.6

Entertainment

7.4

Food

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

7.3
Good
15,181 reviews
8.1
Very good
9,127 reviews

Crew

8.6

Entertainment

7.4

Food

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

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 $462, but on average you can expect to pay $619.

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

    Alaska Airlines, at $462, 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 22% 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 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 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 see available direct flights.

  • 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 do 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.

  • 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 3/27.

See more FAQs

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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.

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 3,228,805 searches. Data last updated March 28, 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

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.

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!

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 can I compare prices from different travel booking sites for flights from St. Louis to Santa Rosa?

Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.

Can I find deals for flights from St. Louis to Santa Rosa that offer flexible cancellation policies?

Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.

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