Cheap flights from St. Louis to Santa Rosa (STL - STS) from $368

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 7/1. 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 11 — Jun 181

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 June 6, 2024.

Popular in

March

Cheapest in

January

Average price

$753

Round-trip from

$268
High demand for flights, 52% potential price rise
Best time to find cheap flights, 36% potential price drop
Average for round-trip flights in June 2024
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 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 St. Louis to Santa Rosa flights in June & July 2024

Find cheap flight options from St. Louis to Santa Rosa specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 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.
Mon 7/17:00 amSTL - STS
1 stop6h 53mAmerican Airlines
Thu 7/44:14 pmSTS - STL
1 stop5h 36mAmerican Airlines
Deal found 6/4$368
Tue 7/26:00 amSTL - STS
2 stops11h 44mAmerican Airlines
Thu 7/44:14 pmSTS - STL
1 stop5h 36mAmerican Airlines
Deal found 6/4$373
Sun 7/146:41 pmSTL - STS
2 stops25h 14mMultiple Airlines
Thu 7/1812:20 pmSTS - STL
3 stops24h 46mMultiple Airlines
Deal found 6/4$397
Sun 7/146:41 pmSTL - STS
3 stops26h 34mMultiple Airlines
Thu 7/182:50 pmSTS - STL
3 stops22h 16mMultiple Airlines
Deal found 6/4$400
Sat 7/205:22 amSTL - STS
1 stop8h 26mAmerican Airlines
Tue 7/234:11 pmSTS - STL
1 stop5h 44mAmerican Airlines
Deal found 6/5$508
Sat 7/205:22 amSTL - STS
1 stop8h 26mAmerican Airlines
Tue 7/234:11 pmSTS - STL
2 stops14h 19mAmerican Airlines
Deal found 6/5$513
Sat 7/207:00 amSTL - STS
2 stops10h 43mAmerican Airlines
Tue 7/234:11 pmSTS - STL
2 stops14h 19mAmerican Airlines
Deal found 6/5$518
Mon 7/17:00 amSTL - STS
2 stops10h 45mAmerican Airlines
Thu 7/44:14 pmSTS - STL
1 stop5h 36mAmerican Airlines
Deal found 6/4$523
Tue 7/26:00 amSTL - STS
2 stops11h 44mAmerican Airlines
Thu 7/44:14 pmSTS - STL
2 stops20h 12mAmerican Airlines
Deal found 6/4$532

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 3,050,429 searches. Data last updated June 6, 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.
Mon 7/17:00 amSTL - STS
1 stop6h 53mAmerican Airlines
Thu 7/44:14 pmSTS - STL
1 stop5h 36mAmerican Airlines
Deal found 6/4$368
Tue 7/26:00 amSTL - STS
2 stops11h 44mAmerican Airlines
Thu 7/44:14 pmSTS - STL
1 stop5h 36mAmerican Airlines
Deal found 6/4$373
Sun 7/146:41 pmSTL - STS
2 stops25h 14mMultiple Airlines
Thu 7/1812:20 pmSTS - STL
3 stops24h 46mMultiple Airlines
Deal found 6/4$397
Sun 7/146:41 pmSTL - STS
3 stops26h 34mMultiple Airlines
Thu 7/182:50 pmSTS - STL
3 stops22h 16mMultiple Airlines
Deal found 6/4$400
Fri 9/137:00 amSTL - STS
1 stop8h 46mAlaska Airlines
Wed 9/182:36 pmSTS - STL
1 stop7h 23mAlaska Airlines
Deal found 6/6$465
Sat 7/205:22 amSTL - STS
1 stop8h 26mAmerican Airlines
Tue 7/234:11 pmSTS - STL
1 stop5h 44mAmerican Airlines
Deal found 6/5$508
Sat 7/205:22 amSTL - STS
1 stop8h 26mAmerican Airlines
Tue 7/234:11 pmSTS - STL
2 stops14h 19mAmerican Airlines
Deal found 6/5$513
Sat 7/207:00 amSTL - STS
2 stops10h 43mAmerican Airlines
Tue 7/234:11 pmSTS - STL
2 stops14h 19mAmerican Airlines
Deal found 6/5$518
Mon 7/17:00 amSTL - STS
2 stops10h 45mAmerican Airlines
Thu 7/44:14 pmSTS - STL
1 stop5h 36mAmerican Airlines
Deal found 6/4$523

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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$368 - $646

Route

Depart

Return

Price

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Mon 7/1

1 stop6h 53m

Santa Rosa Sonoma County

Thu 7/4

1 stop5h 36m

$368

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Tue 7/2

2 stops11h 44m

Santa Rosa Sonoma County

Thu 7/4

1 stop5h 36m

$373

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Sun 7/14

2 stops25h 14m

Santa Rosa Sonoma County

Thu 7/18

3 stops24h 46m

$397

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Sun 7/14

3 stops26h 34m

Santa Rosa Sonoma County

Thu 7/18

3 stops22h 16m

$400

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Sat 7/20

1 stop8h 26m

Santa Rosa Sonoma County

Tue 7/23

1 stop5h 44m

$508

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Sat 7/20

1 stop8h 26m

Santa Rosa Sonoma County

Tue 7/23

2 stops14h 19m

$513

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Sat 7/20

2 stops10h 43m

Santa Rosa Sonoma County

Tue 7/23

2 stops14h 19m

$518

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Mon 7/1

2 stops10h 45m

Santa Rosa Sonoma County

Thu 7/4

1 stop5h 36m

$523

Lambert-St LouisSanta Rosa Sonoma County

STL - STS

STLSTS

Lambert-St Louis

Sun 7/21

2 stops17h 09m

Santa Rosa Sonoma County

Thu 7/25

2 stops11h 38m

$646

Flights are sorted by cheapest first

Deals found on 6/4

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 June 2, 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

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 June 6, 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
9,222 reviews

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

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

8.1
Very good
9,222 reviews
8.1
Very good
9,222 reviews

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

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

7.3
Good
14,227 reviews
8.1
Very good
9,222 reviews

Entertainment

7.3

Crew

8.6

Overall

8.1

Food

7.3

Boarding

8.2

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 $400 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Santa Rosa for under $400. The cheapest flight booked recently is on American Airlines for just $368, but on average you can expect to pay $536.

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

    American Airlines, at $368, 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 45% 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 6/6.

  • 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 $432). 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
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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$384Average$529FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$428Average$590FlexibilityNo cancel feeOn-time71%

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