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$74+ Cheap flights from Santa Ana, CA to St. Louis (SNA - STL)

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — STL
Feb 10 — Feb 171
Tue 2/10
Tue 2/17
1 adult, Economy
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Cheap flight deals from Santa Ana to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Santa Ana (SNA) 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 January 11, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$143
(Kiwi.com)

One-way from

$74
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$502
Provider with most accurate pricing for Santa Ana J. Wayne/Orange Cnty-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Santa Ana J. Wayne/Orange Cnty-Lambert-St Louis flights.
Search Deals
From Santa Ana J. Wayne/Orange Cnty to Lambert-St Louis
Search Deals
One-way flight from Santa Ana J. Wayne/Orange Cnty to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Santa Ana to St. Louis

Cheapest flights from Santa Ana to St. Louis
Explore the most affordable flight options available from Santa Ana to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/44:37 pmSNA - STL
1 stop26h 29mMultiple Airlines
Mon 2/99:45 pmSTL - SNA
1 stop16h 40mMultiple Airlines
Deal found 1/9$143
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/44:37 pmSNA - STL
1 stop26h 29mMultiple Airlines
Sun 2/89:32 pmSTL - SNA
1 stop25h 25mMultiple Airlines
Deal found 1/9$148
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:45 amSNA - STL
1 stop9h 01mMultiple Airlines
Sun 3/110:11 pmSTL - SNA
1 stop12h 02mMultiple Airlines
Deal found 1/9$160
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/31:20 pmSNA - STL
2 stops23h 26mMultiple Airlines
Mon 2/99:45 pmSTL - SNA
1 stop19h 57mMultiple Airlines
Deal found 1/9$169
This CheapOair deal was found by Cheapflights users on 1/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/292:39 pmSNA - STL
1 stop28h 09mFrontier
Sat 1/313:46 pmSTL - SNA
1 stop21h 46mFrontier
Deal found 1/9$171
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/36:45 amSNA - STL
2 stops30h 01mMultiple Airlines
Sun 2/89:32 pmSTL - SNA
1 stop25h 25mMultiple Airlines
Deal found 1/9$175
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/136:45 amSNA - STL
1 stop12h 41mMultiple Airlines
Mon 2/1610:11 pmSTL - SNA
1 stop16h 14mMultiple Airlines
Deal found 1/9$187
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/210:07 amSNA - STL
2 stops8h 43mMultiple Airlines
Mon 2/99:45 pmSTL - SNA
1 stop16h 40mMultiple Airlines
Deal found 1/9$193
This CheapOair deal was found by Cheapflights users on 1/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/212:36 pmSNA - STL
1 stop5h 16mFrontier
Thu 3/510:11 pmSTL - SNA
1 stop16h 31mFrontier
Deal found 1/9$195
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/210:07 amSNA - STL
2 stops8h 43mMultiple Airlines
Sun 2/89:32 pmSTL - SNA
1 stop25h 25mMultiple Airlines
Deal found 1/9$198
This Kiwi.com deal was found by Cheapflights users on 1/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/73:22 pmSNA - STL
1 stop18h 46mFrontier
Sat 2/142:51 pmSTL - SNA
1 stop21h 46mFrontier
Deal found 1/10$202

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Ana 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 2,558,603 searches. Data last updated January 11, 2026.
Use the filters below to find and compare flights from Santa Ana to St. Louis that are best for you.

Fly from

Santa Ana

Fly to

St. Louis

Route

Depart

Return

Price

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Wed 2/4

4:37 pm-9:06 pm

1 stop26h 29m

Lambert-St Louis

Mon 2/9

9:45 pm-12:25 pm

1 stop16h 40m

$143

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Sat 2/21

6:45 am-5:46 pm

1 stop9h 01m

Lambert-St Louis

Sun 3/1

10:11 pm-8:13 am

1 stop12h 02m

$160

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Mon 2/2

10:07 am-8:50 pm

2 stops8h 43m

Lambert-St Louis

Mon 2/9

9:45 pm-12:25 pm

1 stop16h 40m

$193

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Fri 2/13

6:45 am-9:26 pm

1 stop12h 41m

Lambert-St Louis

Mon 2/16

10:11 pm-12:25 pm

1 stop16h 14m

$204

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Fri 1/23

12:17 pm-2:46 pm

1 stop24h 29m

Lambert-St Louis

Sat 2/28

6:41 pm-8:48 am

1 stop16h 07m

$211

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Fri 2/20

4:02 pm-5:46 pm

1 stop23h 44m

Lambert-St Louis

Fri 2/27

1:59 pm-11:40 am

1 stop23h 41m

$211

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Fri 2/6

12:17 pm-2:46 pm

1 stop24h 29m

Lambert-St Louis

Sun 2/8

12:03 pm-10:48 am

1 stop24h 45m

$211

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Thu 3/26

8:20 pm-11:19 am

1 stop12h 59m

Lambert-St Louis

Sun 3/29

8:06 pm-12:27 pm

1 stop18h 21m

$281

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Tue 2/3

5:00 pm-1:54 pm

1 stop18h 54m

Lambert-St Louis

Thu 2/5

2:50 pm-10:27 pm

1 stop9h 37m

$333

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Thu 2/19

5:04 pm-12:25 am

1 stop5h 21m

Lambert-St Louis

Mon 2/23

2:22 pm-10:18 pm

2 stops9h 56m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/9

Showing 1-10 of 22 results
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Compare providers for flights from Santa Ana to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santa Ana to St. Louis in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Santa Ana, California-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Santa Ana, California-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Santa Ana, California-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Ana, California-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santa Ana, California-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Santa Ana to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Santa Ana 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.

Cheapflights Insights

Everything you need to know about your flight from Santa Ana to St. Louis

What is the cheapest month to book a flight from Santa Ana, California to St. Louis?

Currently, September is the cheapest month in which you can book a flight from Santa Ana, California to St. Louis (average of $71). Flying from Santa Ana, California to St. Louis in March is currently the most expensive (average of $220). 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.

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 January 11, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Santa Ana to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,253 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,253 reviews
Southwest
8.0
Very good
4,253 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,034 reviews
Southwest
8.0
Very good
4,253 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,143 reviews
Southwest
8.0
Very good
4,253 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,108 reviews
Southwest
8.0
Very good
4,253 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.7
Fair
3,055 reviews
Southwest
8.0
Very good
4,253 reviews

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from Santa Ana to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Santa Ana, California to St. Louis?

    A quick flight from Santa Ana, California to St. Louis can take about 24h 29m. Frontier provides one of the quickest options available for as low as $211. Santa Ana, California and St. Louis are separated by a distance of 1565 mi.

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

    Flying on Frontier is currently your cheapest option to St. Louis, with prices starting at $150. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $248 and $278, respectively. You may be able to fly from Santa Ana, California to St. Louis for 65% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Santa Ana, California to St. Louis one-way?

    $111 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $139 and $148, respectively.

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

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

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

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

    Yes. Cheapflights offers flight deals from Santa Ana 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.

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

    Currently, September is the cheapest month in which you can book a flight from Santa Ana, California to St. Louis (average of $71). Flying from Santa Ana, California to St. Louis in March is currently the most expensive (average of $220). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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Top 5 airlines flying from Santa Ana to St. Louis

Discover the top 5 airlines that operate flights from Santa Ana 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 2,558,603 searches. Data last updated January 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$228FlexibilityNo cancel feeOn-time62%
DeltaCheapest$248Average$408FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$278Average$411FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$306Average$455FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$311Average$462FlexibilityNo cancel feeOn-time69%

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