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Cheap flights from Santa Rosa to St. Louis (STS - STL) from $249

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 8/14. 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.
STS — STL
May 3 — May 101
From?
To?
Fri 5/3
Fri 5/10
1 adult, Economy
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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 28, 2024.

Popular in

December

Cheapest in

October

Round-trip from

$323

One-way from

$249
High demand for flights, 16% potential price rise
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Best time to find cheap flights, 21% potential price drop
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From Santa Rosa Sonoma County to Lambert-St Louis
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One-way flight from Santa Rosa Sonoma County to Lambert-St Louis
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What is the cheapest day to fly round-trip from Santa Rosa to St. Louis?

Users have found that leaving on a Thursday can be a cost-effective option. It’s possible to save up to 18% on your flight compared to booking on days when demand is much higher.

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

Travelers have found it’s best to book a flight 47 days in advance to save up to 69% 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 47 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 Santa Rosa to St. Louis 1-2 weeks in advance for as low as $316, or $567 for flights within the next 24 hours.

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

January can be a great time to fly to St. Louis from Santa Rosa with a flight ticket averaging about $437. Cheapflights users have found deals in the month of January for as cheap as $165. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Santa Rosa to St. Louis (STS - STL)?

When flying from Santa Rosa to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 19% versus a flight in the morning.

Cheap Alaska Airlines flights from Santa Rosa to St. Louis

Explore cheap flight options specifically provided by Alaska Airlines for the route between Santa Rosa and St. Louis. 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 2,944,896 searches. Data last updated April 28, 2024.
Take a peek at the cheapest Alaska Airlines flights we've detected traveling from Santa Rosa to St. Louis. Make sure to check back often as deals are often changing.
Wed 5/153:30 pmSTS - STL
2 stops30h 29mAlaska Airlines
Sat 5/187:00 amSTL - STS
1 stop8h 24mAlaska Airlines
Deal found 4/27$567
Wed 5/153:30 pmSTS - STL
2 stops30h 29mAlaska Airlines
Sat 5/187:41 pmSTL - STS
2 stops17h 35mAlaska Airlines
Deal found 4/27$581
Thu 5/237:00 amSTS - STL
1 stop9h 41mAlaska Airlines
Mon 5/277:41 pmSTL - STS
2 stops17h 35mAlaska Airlines
Deal found 4/28$635
Thu 5/237:00 amSTS - STL
1 stop9h 41mAlaska Airlines
Mon 5/277:00 amSTL - STS
1 stop8h 24mAlaska Airlines
Deal found 4/28$710
Tue 7/22:44 pmSTS - STL
1 stop7h 15mAlaska Airlines
Sun 7/77:32 pmSTL - STS
1 stop20h 18mAlaska Airlines
Deal found 4/28$715
Sat 5/411:20 amSTS - STL
2 stops24h 03mAlaska Airlines
Tue 5/72:35 pmSTL - STS
2 stops22h 04mAlaska Airlines
Deal found 4/26$766
Sat 5/411:20 amSTS - STL
2 stops10h 39mAlaska Airlines
Tue 5/77:00 amSTL - STS
2 stops17h 23mAlaska Airlines
Deal found 4/27$770
Thu 5/2311:56 amSTS - STL
2 stops10h 03mAlaska Airlines
Mon 5/277:41 pmSTL - STS
2 stops17h 35mAlaska Airlines
Deal found 4/28$785
Tue 7/22:44 pmSTS - STL
1 stop7h 15mAlaska Airlines
Sun 7/77:32 pmSTL - STS
2 stops24h 19mAlaska Airlines
Deal found 4/28$793

Cheap American Airlines flights from Santa Rosa to St. Louis

Explore cheap flight options specifically provided by American Airlines for the route between Santa Rosa and St. Louis. 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 2,944,896 searches. Data last updated April 28, 2024.
Some of the best deals we've found on American Airlines flights traveling from Santa Rosa to St. Louis. Ensure the flight price, dates, time, and airline match your criteria before you book.
Tue 7/24:14 pmSTS - STL
1 stop5h 36mAmerican Airlines
Sun 7/77:00 amSTL - STS
1 stop6h 48mAmerican Airlines
Deal found 4/28$558
Tue 7/24:14 pmSTS - STL
2 stops14h 19mAmerican Airlines
Sun 7/77:00 amSTL - STS
1 stop6h 48mAmerican Airlines
Deal found 4/28$563
Fri 5/2412:37 pmSTS - STL
1 stop8h 22mAmerican Airlines
Mon 5/275:21 amSTL - STS
1 stop8h 36mAmerican Airlines
Deal found 4/28$578
Wed 5/154:20 pmSTS - STL
1 stop5h 36mAmerican Airlines
Sat 5/185:21 amSTL - STS
1 stop8h 36mAmerican Airlines
Deal found 4/27$583
Wed 7/34:15 pmSTS - STL
2 stops14h 18mAmerican Airlines
Sun 7/77:00 amSTL - STS
1 stop6h 48mAmerican Airlines
Deal found 4/28$593
Fri 5/244:20 pmSTS - STL
2 stops14h 42mAmerican Airlines
Mon 5/277:01 amSTL - STS
1 stop6h 56mAmerican Airlines
Deal found 4/28$648
Tue 7/24:14 pmSTS - STL
2 stops14h 19mAmerican Airlines
Sun 7/75:22 amSTL - STS
2 stops12h 19mAmerican Airlines
Deal found 4/28$741
Mon 7/14:15 pmSTS - STL
1 stop5h 35mAmerican Airlines
Sun 7/77:00 amSTL - STS
1 stop6h 48mAmerican Airlines
Deal found 4/28$758
Mon 7/14:15 pmSTS - STL
2 stops14h 18mAmerican Airlines
Sun 7/77:00 amSTL - STS
1 stop6h 48mAmerican Airlines
Deal found 4/28$763

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

Find cheap flight options from Santa Rosa to St. Louis specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Prices were last updated on April 28, 2024.
Check out some of the best flight deals from Santa Rosa to St. Louis in 2024. More deals are always being added, so be sure to check back regularly.
Wed 5/153:30 pmSTS - STL
2 stops30h 29mAlaska Airlines
Sat 5/187:00 amSTL - STS
1 stop8h 24mAlaska Airlines
Deal found 4/27$567
Fri 5/2412:37 pmSTS - STL
1 stop8h 22mAmerican Airlines
Mon 5/275:21 amSTL - STS
1 stop8h 36mAmerican Airlines
Deal found 4/28$578
Wed 5/153:30 pmSTS - STL
2 stops30h 29mAlaska Airlines
Sat 5/187:41 pmSTL - STS
2 stops17h 35mAlaska Airlines
Deal found 4/27$581
Wed 5/154:20 pmSTS - STL
1 stop5h 36mAmerican Airlines
Sat 5/185:21 amSTL - STS
1 stop8h 36mAmerican Airlines
Deal found 4/27$583
Thu 5/237:00 amSTS - STL
1 stop9h 41mAlaska Airlines
Mon 5/277:41 pmSTL - STS
2 stops17h 35mAlaska Airlines
Deal found 4/28$635
Fri 5/244:20 pmSTS - STL
2 stops14h 42mAmerican Airlines
Mon 5/277:01 amSTL - STS
1 stop6h 56mAmerican Airlines
Deal found 4/28$648
Thu 5/237:00 amSTS - STL
1 stop9h 41mAlaska Airlines
Mon 5/277:00 amSTL - STS
1 stop8h 24mAlaska Airlines
Deal found 4/28$710
Sat 5/411:20 amSTS - STL
2 stops24h 03mAlaska Airlines
Tue 5/72:35 pmSTL - STS
2 stops22h 04mAlaska Airlines
Deal found 4/26$766
Fri 5/244:20 pmSTS - STL
2 stops15h 33mAmerican Airlines
Mon 5/277:01 amSTL - STS
2 stops10h 49mAmerican Airlines
Deal found 4/28$768

Santa Rosa to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Santa Rosa and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Check out some of the best flight deals from Santa Rosa to St. Louis in 2024. More deals are always being added, so be sure to check back regularly.
Tue 7/24:14 pmSTS - STL
1 stop5h 36mAmerican Airlines
Sun 7/77:00 amSTL - STS
1 stop6h 48mAmerican Airlines
Deal found 4/28$558
Tue 7/24:14 pmSTS - STL
2 stops14h 19mAmerican Airlines
Sun 7/77:00 amSTL - STS
1 stop6h 48mAmerican Airlines
Deal found 4/28$563
Wed 5/153:30 pmSTS - STL
2 stops30h 29mAlaska Airlines
Sat 5/187:00 amSTL - STS
1 stop8h 24mAlaska Airlines
Deal found 4/27$567
Fri 5/2412:37 pmSTS - STL
1 stop8h 22mAmerican Airlines
Mon 5/275:21 amSTL - STS
1 stop8h 36mAmerican Airlines
Deal found 4/28$578
Wed 5/153:30 pmSTS - STL
2 stops30h 29mAlaska Airlines
Sat 5/187:41 pmSTL - STS
2 stops17h 35mAlaska Airlines
Deal found 4/27$581
Wed 5/154:20 pmSTS - STL
1 stop5h 36mAmerican Airlines
Sat 5/185:21 amSTL - STS
1 stop8h 36mAmerican Airlines
Deal found 4/27$583
Wed 7/34:15 pmSTS - STL
2 stops14h 18mAmerican Airlines
Sun 7/77:00 amSTL - STS
1 stop6h 48mAmerican Airlines
Deal found 4/28$593
Thu 5/237:00 amSTS - STL
1 stop9h 41mAlaska Airlines
Mon 5/277:41 pmSTL - STS
2 stops17h 35mAlaska Airlines
Deal found 4/28$635
Fri 5/244:20 pmSTS - STL
2 stops14h 42mAmerican Airlines
Mon 5/277:01 amSTL - STS
1 stop6h 56mAmerican Airlines
Deal found 4/28$648

Santa Rosa to St. Louis flights leaving soon

Find last-minute flight options from Santa Rosa to St. Louis for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Book one of these great deals on flights from Santa Rosa to St. Louis. To prevent any unwanted surprises, users should verify their flight info before booking.
Sat 5/411:20 amSTS - STL
2 stops24h 03mAlaska Airlines
Tue 5/72:35 pmSTL - STS
2 stops22h 04mAlaska Airlines
Deal found 4/26$766
Sat 5/411:20 amSTS - STL
2 stops10h 39mAlaska Airlines
Tue 5/77:00 amSTL - STS
2 stops17h 23mAlaska Airlines
Deal found 4/27$770
Sat 5/411:20 amSTS - STL
2 stops10h 39mAlaska Airlines
Tue 5/77:00 amSTL - STS
1 stop8h 23mAlaska Airlines
Deal found 4/27$797
Sat 5/412:53 pmSTS - STL
1 stop9h 04mAmerican Airlines
Tue 5/75:21 amSTL - STS
1 stop8h 36mAmerican Airlines
Deal found 4/26$828

One-way flights to St. Louis from Santa Rosa

Search for one-way flight options from Santa Rosa to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Users traveling one-way from Santa Rosa to St. Louis can select one of these great deals. Users needing a return flight from Santa Rosa to St. Louis should utilize the search form above.
Wed 8/144:15 pmSTS - STL
1 stop5h 36mAmerican Airlines
Deal found 4/28$249
Wed 8/1410:21 amSTS - STL
2 stops11h 30mAmerican Airlines
Deal found 4/28$1,128

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

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 2,944,896 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$558 - $710

Route

Depart

Return

Price

Santa Rosa Sonoma CountyLambert-St Louis

STS - STL

STSSTL

Santa Rosa Sonoma County

Tue 7/2

1 stop5h 36m

Lambert-St Louis

Sun 7/7

1 stop6h 48m

$558

Santa Rosa Sonoma CountyLambert-St Louis

STS - STL

STSSTL

Santa Rosa Sonoma County

Tue 7/2

2 stops14h 19m

Lambert-St Louis

Sun 7/7

1 stop6h 48m

$563

Santa Rosa Sonoma CountyLambert-St Louis

STS - STL

STSSTL

Santa Rosa Sonoma County

Wed 5/15

2 stops30h 29m

Lambert-St Louis

Sat 5/18

1 stop8h 24m

$567

Santa Rosa Sonoma CountyLambert-St Louis

STS - STL

STSSTL

Santa Rosa Sonoma County

Fri 5/24

1 stop8h 22m

Lambert-St Louis

Mon 5/27

1 stop8h 36m

$578

Santa Rosa Sonoma CountyLambert-St Louis

STS - STL

STSSTL

Santa Rosa Sonoma County

Wed 5/15

2 stops30h 29m

Lambert-St Louis

Sat 5/18

2 stops17h 35m

$581

Santa Rosa Sonoma CountyLambert-St Louis

STS - STL

STSSTL

Santa Rosa Sonoma County

Wed 5/15

1 stop5h 36m

Lambert-St Louis

Sat 5/18

1 stop8h 36m

$583

Santa Rosa Sonoma CountyLambert-St Louis

STS - STL

STSSTL

Santa Rosa Sonoma County

Wed 7/3

2 stops14h 18m

Lambert-St Louis

Sun 7/7

1 stop6h 48m

$593

Santa Rosa Sonoma CountyLambert-St Louis

STS - STL

STSSTL

Santa Rosa Sonoma County

Thu 5/23

1 stop9h 41m

Lambert-St Louis

Mon 5/27

2 stops17h 35m

$635

Santa Rosa Sonoma CountyLambert-St Louis

STS - STL

STSSTL

Santa Rosa Sonoma County

Thu 5/23

1 stop9h 41m

Lambert-St Louis

Mon 5/27

1 stop8h 24m

$710

Flights are sorted by cheapest first

Deals found on 4/28

When is the cheapest time to fly from Santa Rosa to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Santa Rosa to St. Louis. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Santa Rosa to St. Louis flight should consider departing on Friday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to St. Louis by month

Plan your trip from Santa Rosa to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Santa Rosa to St. Louis is currently $689 while a round-trip flight costs $596. Price data was last updated on April 21, 2024.

Currently, September is the cheapest month in which you can book a flight from Santa Rosa to St. Louis (average of $323). Flying from Santa Rosa to St. Louis in July is currently the most expensive (average of $378). 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

$326

February

$331

March

$357

April

$337

May

$350

June

$373

July

$378

August

$336

September

$323

October

$323

November

$336

December

$326

Temperature and rainfall in St. Louis by month

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

STL

Temperature

32 - 80.6 °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 28, 2024.
Read reviews from past customers who have flown Alaska Airlines and American Airlines from Santa Rosa to St. Louis. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.3

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,110 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.3

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,844 reviews
Alaska Airlines
8.1
Very good
9,110 reviews
Check prices

Crew

8.6

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.3

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

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.

  • Can I find flights from Santa Rosa to St. Louis for under $600 on Cheapflights?

    Yes, there are multiple flights from Santa Rosa to St. Louis for under $600. The cheapest flight booked recently is on American Airlines for just $558, but on average you can expect to pay $693.

  • Are there last-minute flights available from Santa Rosa to St. Louis for under $800?

    There are currently 4+ open flights from Santa Rosa to St. Louis within the next 7 days for less than $800.

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

    American Airlines, at $558, was found to be the cheapest airline from Santa Rosa to St. Louis. An alternate airline flying to your destination would be Alaska Airlines. Users have found that American Airlines is 14% cheaper than the other options available to this destination.

  • What does STS to STL mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Santa Rosa Sonoma County Airport to Lambert-St Louis Airport flight would often be abbreviated as a STS to STL flight.

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

    The amount of baggage you can bring on your Santa Rosa to St. Louis 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 Santa Rosa to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Santa Rosa to St. Louis 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 Santa Rosa to St. Louis that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Santa Rosa to St. Louis 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 Santa Rosa to St. Louis that allow pets onboard?

    Many airlines flying from Santa Rosa to St. Louis 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 Santa Rosa to St. Louis?

    Yes, you can often find last-minute deals on Santa Rosa to St. Louis 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 Santa Rosa to St. Louis flight deals updated?

    The Santa Rosa to St. Louis flight deals you see on this page were last updated on 4/28.

See more FAQs

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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 2,944,896 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$483Average$548FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
American AirlinesCheapest$490Average$626FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Search flights from Santa Rosa to St. Louis by cabin class

Find flights from Santa Rosa to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first 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 Santa Rosa to St. Louis?

Cheapflights helps you search for flights from Santa Rosa to St. Louis 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 Santa Rosa to St. Louis?

Cheapflights helps you find that perfect flight to St. Louis from Santa Rosa by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Santa Rosa to St. Louis with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to St. Louis from Santa Rosa today and book when prices fit your budget.

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