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Cheap flights from St. Louis to Santa Ana from $126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Santa Ana departing on 4/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Los Angeles

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to Los Angeles.
Frontier Logo
9:55 pm - 5:20 pmSTL-SNA
21h 25m1 stop
Frontier Logo
6:27 pm - 9:05 pmSNA-STL
24h 38m1 stop
$240Frontier
Find Deal
Fri, Apr 25 - Sun, Apr 27
Frontier Logo
6:38 pm - 5:01 pmSTL-SNA
24h 23m1 stop
Frontier Logo
12:25 pm - 9:06 amSNA-STL
18h 41m1 stop
$270Frontier
Find Deal
Fri, Apr 11 - Tue, Apr 15
United Airlines Logo
6:30 am - 11:56 amSTL-SNA
7h 26m1 stop
United Airlines Logo
11:00 am - 9:01 pmSNA-STL
8h 01m2 stops
$332United Airlines
Find Deal
Tue, May 6 - Tue, May 13
United Airlines Logo
6:30 am - 1:06 pmSTL-SNA
8h 36m2 stops
United Airlines Logo
11:00 am - 9:01 pmSNA-STL
8h 01m2 stops
$337United Airlines
Find Deal
Tue, May 6 - Tue, May 13
Delta Logo
5:00 pm - 9:47 pmSTL-SNA
6h 47m1 stop
Delta Logo
2:20 pm - 11:42 pmSNA-STL
7h 22m1 stop
$339Delta
Find Deal
Sat, Jun 7 - Sat, Jun 14
Delta Logo
7:30 am - 11:55 amSTL-SNA
6h 25m1 stop
Delta Logo
6:55 pm - 10:47 amSNA-STL
13h 52m2 stops
$346Delta
Find Deal
Wed, May 28 - Mon, Jun 2
American Airlines Logo
5:00 am - 12:39 pmSTL-SNA
9h 39m1 stop
American Airlines Logo
4:30 pm - 11:58 pmSNA-STL
5h 28m1 stop
$359American Airlines
Find Deal
Thu, May 29 - Mon, Jun 2
Southwest Logo
3:00 pm - 9:10 pmSTL-SNA
8h 10m2 stops
Southwest Logo
3:00 pm - 12:50 amSNA-STL
7h 50m2 stops
$377Southwest
Find Deal
Wed, May 28 - Mon, Jun 2
American Airlines Logo
5:00 am - 9:34 amSTL-SNA
6h 34m1 stop
American Airlines Logo
1:30 pm - 11:51 pmSNA-STL
8h 21m1 stop
$383American Airlines
Find Deal
Thu, May 15 - Mon, May 19
Southwest Logo
8:50 am - 3:15 pmSTL-SNA
8h 25m2 stops
Southwest Logo
2:55 pm - 12:50 amSNA-STL
7h 55m1 stop
$392Southwest
Find Deal
Mon, May 5 - Thu, May 8

Frontier flights from St. Louis to Santa Ana

Our best Frontier deals on St. Louis to Santa Ana flight tickets
Frontier
Apr 25
STL9:55 pmLambert-St Louis
21h 25m
1 stop
SNA5:20 pmSanta Ana J. Wayne/Orange Cnty
Apr 27
SNA6:27 pmSanta Ana J. Wayne/Orange Cnty
24h 38m
1 stop
STL9:05 pmLambert-St Louis
Frontier
Apr 11
STL6:38 pmLambert-St Louis
24h 23m
1 stop
SNA5:01 pmSanta Ana J. Wayne/Orange Cnty
Apr 15
SNA12:25 pmSanta Ana J. Wayne/Orange Cnty
18h 41m
1 stop
STL9:06 amLambert-St Louis
Frontier
Apr 14
STL6:51 pmLambert-St Louis
18h 44m
1 stop
SNA11:35 amSanta Ana J. Wayne/Orange Cnty
Apr 19
SNA3:32 pmSanta Ana J. Wayne/Orange Cnty
18h 44m
1 stop
STL12:16 pmLambert-St Louis

Spirit Airlines flights from St. Louis to Santa Ana

Our best Spirit Airlines deals on St. Louis to Santa Ana flight tickets
Spirit Airlines
May 4
STL6:10 pmLambert-St Louis
29h 19m
2 stops
SNA9:29 pmSanta Ana J. Wayne/Orange Cnty
May 9
SNA4:27 pmSanta Ana J. Wayne/Orange Cnty
14h 48m
2 stops
STL9:15 amLambert-St Louis
Spirit Airlines
May 1
STL6:10 pmLambert-St Louis
29h 19m
2 stops
SNA9:29 pmSanta Ana J. Wayne/Orange Cnty
May 8
SNA7:58 pmSanta Ana J. Wayne/Orange Cnty
35h 17m
2 stops
STL9:15 amLambert-St Louis
Spirit Airlines
May 1
STL6:10 pmLambert-St Louis
29h 19m
2 stops
SNA9:29 pmSanta Ana J. Wayne/Orange Cnty
May 8
SNA11:47 amSanta Ana J. Wayne/Orange Cnty
43h 28m
3 stops
STL9:15 amLambert-St Louis

See travel insights to Los Angeles from

How to get the cheapest flight ticket from St. Louis to Santa Ana

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Santa Ana?

The cheapest month to fly to Santa Ana from St. Louis is in April. Flight prices, which tend to average around $366, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Santa Ana, with average flight prices from St. Louis averaging around $396.

What is the cheapest day to depart on your flight to Santa Ana?

On average, the least expensive day to fly to Santa Ana from St. Louis is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $396. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Tuesday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $475.

What is the cheapest time of day to depart on your flight to Santa Ana?

Our data shows that the cheapest St. Louis to Santa Ana flights are usually those with departure times in the evening. Our users have found flights to Santa Ana in the evening for as low as $218. Try not to purchase tickets at noon because they tend to be around $488. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Santa Ana?

You are more likely to see cheaper flights to Santa Ana from St. Louis when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to Santa Ana for around $429 when searching 13 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santa Ana from St. Louis for as low as $379 on momondo.

How have St. Louis to Santa Ana flight prices changed over time?

As of April 2025, prices for St. Louis to Santa Ana flights are approximately 20% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Santa Ana

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Santa Ana according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Santa Ana (STL to SNA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Santa Ana

Best Price Found

$126

Fastest flight time

5h 35m

Direct flights

None

Airports in Santa Ana

1 airport
The best one-way flight to Santa Ana from St. Louis in the past 72 hours is $126. The best round-trip flight deal from St. Louis to Santa Ana found on momondo in the last 72 hours is $240.
The fastest flight from St. Louis to Santa Ana takes 5h 35m
There are no direct flights from St. Louis to Santa Ana. Popular non-direct route for this connection is Lambert-St Louis Airport - Santa Ana J. Wayne/Orange Cnty Airport.
There is 1 airport near Santa Ana: Santa Ana J. Wayne/Orange Cnty (SNA)

  • How far is Lambert-St Louis to Santa Ana J. Wayne/Orange Cnty by plane?

    Lambert-St Louis and Santa Ana J. Wayne/Orange Cnty are 1572.0 mi apart from one another. A reasonable flight in good conditions will take 5h 35m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Santa Ana J. Wayne/Orange Cnty Airport?

    Prices for flights from Lambert-St Louis Airport to Santa Ana J. Wayne/Orange Cnty Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Santa Ana J. Wayne/Orange Cnty Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Santa Ana J. Wayne/Orange Cnty Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Santa Ana J. Wayne/Orange Cnty Airport.

  • What documentation or ID do you need to fly to Santa Ana J. Wayne/Orange Cnty Airport?

    The travel and health documents you'll need for your trip to Santa Ana J. Wayne/Orange Cnty Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Santa Ana J. Wayne/Orange Cnty Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Santa Ana?


Best airlines flying from St. Louis to Santa Ana

Compare and see reviews for airlines that fly from St. Louis to Santa Ana with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $144Free CancellationRating
5.9
3,276 reviews
Search Frontier flights
DeltaPriceFrom $286Free CancellationRating
8.0
7,898 reviews
Search Delta flights
United AirlinesPriceFrom $326Free CancellationRating
7.4
8,616 reviews
Search United Airlines flights
SouthwestPriceFrom $362Free CancellationRating
8.0
4,272 reviews
Search Southwest flights
American AirlinesPriceFrom $366Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Southwest Flights From St. Louis to Santa Ana

    Southwest is one of the most popular airlines flying from St. Louis to Santa Ana, operating 2 flights/week on average for this route. A good Southwest flight deal for St. Louis to Santa Ana starts from $362 round-trip, up to an average price of $462. Our users have rated Southwest at 8.0/10.

  • United Airlines Flights From St. Louis to Santa Ana

    United Airlines (7.4/10 from 8,616 reviews) operates around 7 flights from St. Louis to Santa Ana in any given week. The average United Airlines airfare for this route is around $433, with deals from around $326 rare but found on momondo. Referenced prices are for round-trip St. Louis to Santa Ana flight searches in the last 72 hours.


Traveling to a place near Los Angeles?

Book flights to Los Angeles if you plan to visit one of these locations
Anaheim
Tustin

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Santa Ana?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Santa Ana. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Santa Ana with flexible booking policies on momondo?

All flight searches from St. Louis to Santa Ana on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Santa Ana?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Santa Ana from St. Louis.

I’m not ready to book a flight from St. Louis to Santa Ana right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Santa Ana from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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