St. Louis

$156+ Cheap flights from Santa Ana 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
SNA — STL
Mar 30 — Apr 61
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santa Ana to St. Louis with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Santa Ana J. Wayne/Orange Cnty to Lambert-St Louis are usually found in May or October, booked 90 days in advance, depart on a Tuesday or Friday and return on a Wednesday

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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$288
(Booking.com)

One-way from

$156
(CheapOair)

Popular in

February

Cheapest in

May

Average price

$454
Provider with most accurate pricing for Santa Ana J. Wayne/Orange Cnty-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Santa Ana J. Wayne/Orange Cnty-Lambert-St Louis flights.
From Santa Ana J. Wayne/Orange Cnty to Lambert-St Louis
One-way flight from Santa Ana J. Wayne/Orange Cnty to Lambert-St Louis
Highest demand for flights based on searches. 6% potential increase in price ($33 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in March 2025

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 March 25, 2025.

This Booking.com deal was found by Cheapflights users on 3/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/212:19 pmSNA - STL
1 stop18h 50mFrontier
Sun 5/49:55 pmSTL - SNA
1 stop22h 36mFrontier
Deal found 3/24$288
This American Airlines deal was found by Cheapflights users on 3/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/164:30 pmSNA - STL
1 stop5h 28mAmerican Airlines
Tue 5/201:59 pmSTL - SNA
1 stop8h 51mAmerican Airlines
Deal found 3/24$349
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/166:55 pmSNA - STL
2 stops13h 57mDelta
Tue 5/202:29 pmSTL - SNA
1 stop6h 07mDelta
Deal found 3/24$356
This Mytrip deal was found by Cheapflights users on 3/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/23:21 pmSNA - STL
3 stops42h 24mMultiple Airlines
Sun 5/46:10 pmSTL - SNA
2 stops29h 19mMultiple Airlines
Deal found 3/23$372
This Southwest deal was found by Cheapflights users on 3/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/47:15 amSNA - STL
2 stops8h 00mSouthwest
Sun 6/86:45 pmSTL - SNA
1 stop5h 25mSouthwest
Deal found 3/24$412
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2210:56 amSNA - STL
2 stops11h 03mAlaska Airlines
Sat 4/266:30 amSTL - SNA
1 stop9h 49mAlaska Airlines
Deal found 3/24$450
This United Airlines deal was found by Cheapflights users on 3/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/29:00 pmSNA - STL
2 stops13h 19mUnited Airlines
Sun 5/47:00 amSTL - SNA
1 stop7h 21mUnited Airlines
Deal found 3/24$454
This Sembo deal was found by Cheapflights users on 3/24. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1411:56 amSNA - STL
1 stop10h 03mHawaiian Airlines
Wed 4/236:30 amSTL - SNA
1 stop9h 49mHawaiian Airlines
Deal found 3/24$728

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 March 25, 2025.
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

Fri 5/2

12:19 pm-9:09 am

1 stop18h 50m

Lambert-St Louis

Sun 5/4

9:55 pm-6:31 pm

1 stop22h 36m

$288

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Fri 5/16

4:30 pm-11:58 pm

1 stop5h 28m

Lambert-St Louis

Tue 5/20

1:59 pm-8:50 pm

1 stop8h 51m

$349

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Fri 5/16

6:55 pm-10:52 am

2 stops13h 57m

Lambert-St Louis

Tue 5/20

2:29 pm-6:36 pm

1 stop6h 07m

$356

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Fri 5/2

3:21 pm-11:45 am

3 stops42h 24m

Lambert-St Louis

Sun 5/4

6:10 pm-9:29 pm

2 stops29h 19m

$372

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Wed 6/4

7:15 am-5:15 pm

2 stops8h 00m

Lambert-St Louis

Sun 6/8

6:45 pm-10:10 pm

1 stop5h 25m

$412

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Tue 4/22

10:56 am-11:59 pm

2 stops11h 03m

Lambert-St Louis

Sat 4/26

6:30 am-2:19 pm

1 stop9h 49m

$450

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Fri 5/2

9:00 pm-12:19 pm

2 stops13h 19m

Lambert-St Louis

Sun 5/4

7:00 am-12:21 pm

1 stop7h 21m

$454

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Mon 4/14

11:56 am-11:59 pm

1 stop10h 03m

Lambert-St Louis

Wed 4/23

6:30 am-2:19 pm

1 stop9h 49m

$728

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Fri 4/18

12:25 pm-9:06 am

1 stop18h 41m

$156

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Mon 4/14

3:21 pm-5:15 pm

3 stops23h 54m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 17 results
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Ana-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Ana-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Ana-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub 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-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

How far ahead should I book a flight from Santa Ana to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Santa Ana to St. Louis. Price data was last updated on March 21, 2025.

The price you pay for your flight from Santa Ana to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Santa Ana to St. Louis (average of $311). Flying from Santa Ana to St. Louis in March is currently the most expensive (average of $356). 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.

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

Find hourly flight availability from Santa Ana to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

It’s optimal to fly from Santa Ana to St. Louis in the evening. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Santa Ana to St. Louis. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Santa Ana to St. Louis flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 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 March 25, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Santa Ana to St. Louis to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
8.0
Very good

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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

    Frontier, at $288, was found to be the cheapest airline from Santa Ana to St. Louis.Alternate airlines to your destination round-trip include American Airlines and Delta. Frontier is priced at 38% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Santa Ana to St. Louis are Frontier ($156), Spirit Airlines ($159), and Alaska Airlines ($169).

  • 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 to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Santa Ana to St. Louis (average of $311). Flying from Santa Ana to St. Louis in March is currently the most expensive (average of $356). 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 Santa Ana?

Book flights to Santa Ana if you plan to visit one of these locations
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
Chesterfield

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Santa Ana to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Santa Ana to St. Louis

Discover the top 6 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$135Average$233FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$159Average$307FlexibilityNo cancel feeOn-time65%
DeltaCheapest$346Average$448FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$352Average$454FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$371Average$478FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$396Average$535FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.