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Cheap flights from Santa Ana to St. Louis from $95

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santa Ana to St. Louis departing on 5/11. 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 Santa Ana to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:37 pm - 9:49 am
SNA
-
STL
15h 12m
2 stops
Multiple Airlines Logo
8:06 pm - 1:58 pm
STL
-
SNA
19h 52m
1 stop
$188Multiple Airlines
Tue, Mar 10 - Tue, Mar 17
Multiple Airlines Logo
6:45 am - 7:11 pm
SNA
-
STL
10h 26m
1 stop
Multiple Airlines Logo
8:06 pm - 9:53 am
STL
-
SNA
15h 47m
1 stop
$197Multiple Airlines
Tue, Mar 10 - Tue, Mar 17
Multiple Airlines Logo
7:25 pm - 9:49 am
SNA
-
STL
36h 24m
2 stops
Multiple Airlines Logo
12:14 pm - 8:57 pm
STL
-
SNA
10h 43m
1 stop
$203Multiple Airlines
Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
8:58 am - 11:19 am
SNA
-
STL
24h 21m
1 stop
Multiple Airlines Logo
12:14 pm - 8:57 pm
STL
-
SNA
10h 43m
1 stop
$207Multiple Airlines
Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
8:20 pm - 9:00 pm
SNA
-
STL
22h 40m
1 stop
Multiple Airlines Logo
8:12 pm - 8:57 pm
STL
-
SNA
26h 45m
2 stops
$216Multiple Airlines
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
6:48 pm - 8:07 pm
SNA
-
STL
23h 19m
1 stop
Multiple Airlines Logo
10:11 pm - 8:13 am
STL
-
SNA
12h 02m
1 stop
$223Multiple Airlines
Thu, Feb 26 - Sun, Mar 1
Multiple Airlines Logo
1:20 pm - 9:26 pm
SNA
-
STL
6h 06m
1 stop
Multiple Airlines Logo
10:11 pm - 8:13 am
STL
-
SNA
12h 02m
1 stop
$226Multiple Airlines
Thu, Feb 26 - Sun, Mar 1
United Airlines Logo
9:00 am - 4:56 pm
SNA
-
STL
5h 56m
1 stop
United Airlines Logo
8:54 am - 1:18 pm
STL
-
SNA
6h 24m
1 stop
$237United Airlines
Wed, Apr 15 - Tue, Apr 21
Multiple Airlines Logo
2:53 pm - 11:19 am
SNA
-
STL
18h 26m
1 stop
Multiple Airlines Logo
12:14 pm - 9:13 pm
STL
-
SNA
10h 59m
1 stop
$241Multiple Airlines
Tue, Mar 24 - Fri, Mar 27
United Airlines Logo
11:10 am - 9:08 pm
SNA
-
STL
7h 58m
2 stops
United Airlines Logo
8:30 am - 2:08 pm
STL
-
SNA
7h 38m
1 stop
$242United Airlines
Wed, Apr 15 - Tue, Apr 21

Frontier flights from Santa Ana to St. Louis

Our best Frontier deals on Santa Ana to St. Louis flight tickets
Frontier
Feb 26
SNA5:25 pmSanta Ana J. Wayne/Orange Cnty
17h 44m
2 stops
STL1:09 pmLambert-St Louis
Mar 1
STL10:11 pmLambert-St Louis
12h 02m
1 stop
SNA8:13 amSanta Ana J. Wayne/Orange Cnty
$244
Frontier
Feb 26
SNA7:25 pmSanta Ana J. Wayne/Orange Cnty
15h 44m
2 stops
STL1:09 pmLambert-St Louis
Mar 1
STL10:11 pmLambert-St Louis
12h 02m
1 stop
SNA8:13 amSanta Ana J. Wayne/Orange Cnty
$263
Frontier
Apr 10
SNA5:56 pmSanta Ana J. Wayne/Orange Cnty
16h 25m
1 stop
STL12:21 pmLambert-St Louis
Apr 13
STL12:22 pmLambert-St Louis
9h 13m
1 stop
SNA7:35 pmSanta Ana J. Wayne/Orange Cnty
$293

Southwest flights from Santa Ana to St. Louis

Our best Southwest deals on Santa Ana to St. Louis flight tickets
Southwest
Mar 4
SNA3:05 pmSanta Ana J. Wayne/Orange Cnty
5h 15m
1 stop
STL10:20 pmLambert-St Louis
Mar 7
STL3:50 pmLambert-St Louis
8h 25m
1 stop
SNA10:15 pmSanta Ana J. Wayne/Orange Cnty
$257
Southwest
Mar 4
SNA12:00 pmSanta Ana J. Wayne/Orange Cnty
8h 05m
2 stops
STL10:05 pmLambert-St Louis
Mar 7
STL8:25 amLambert-St Louis
12h 30m
2 stops
SNA6:55 pmSanta Ana J. Wayne/Orange Cnty
$349
Southwest
Apr 8
SNA7:25 amSanta Ana J. Wayne/Orange Cnty
8h 30m
2 stops
STL5:55 pmLambert-St Louis
Apr 15
STL8:25 amLambert-St Louis
8h 25m
2 stops
SNA2:50 pmSanta Ana J. Wayne/Orange Cnty
$387

momondo 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, momondo users made 832,500 searches. Data last updated February 9, 2026.
Use the filters below to find and compare flights from Santa Ana to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Tue 3/10

4:37 pm-9:49 am

2 stops15h 12m

Lambert-St Louis

Tue 3/17

8:06 pm-1:58 pm

1 stop19h 52m

$188

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Tue 3/10

6:45 am-7:11 pm

1 stop10h 26m

Lambert-St Louis

Tue 3/17

8:06 pm-9:53 am

1 stop15h 47m

$197

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Thu 3/5

7:25 pm-9:49 am

2 stops36h 24m

Lambert-St Louis

Mon 3/9

12:14 pm-8:57 pm

1 stop10h 43m

$203

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Thu 3/5

8:58 am-11:19 am

1 stop24h 21m

Lambert-St Louis

Mon 3/9

12:14 pm-8:57 pm

1 stop10h 43m

$207

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Thu 4/16

8:20 pm-9:00 pm

1 stop22h 40m

Lambert-St Louis

Mon 4/20

8:12 pm-8:57 pm

2 stops26h 45m

$216

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Thu 2/26

6:48 pm-8:07 pm

1 stop23h 19m

Lambert-St Louis

Sun 3/1

10:11 pm-8:13 am

1 stop12h 02m

$223

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Thu 2/26

1:20 pm-9:26 pm

1 stop6h 06m

Lambert-St Louis

Sun 3/1

10:11 pm-8:13 am

1 stop12h 02m

$226

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Wed 4/15

9:00 am-4:56 pm

1 stop5h 56m

Lambert-St Louis

Tue 4/21

8:54 am-1:18 pm

1 stop6h 24m

$237

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Tue 3/24

2:53 pm-11:19 am

1 stop18h 26m

Lambert-St Louis

Fri 3/27

12:14 pm-9:13 pm

1 stop10h 59m

$241

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Wed 4/15

11:10 am-9:08 pm

2 stops7h 58m

Lambert-St Louis

Tue 4/21

8:30 am-2:08 pm

1 stop7h 38m

$242

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

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 St. Louis?

In general, October is the cheapest month to fly from Santa Ana to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $326. The month of August is another great option to travel to St. Louis, with average flight prices from Santa Ana averaging around $331.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $386. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $428. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Santa Ana in the evening is the least expensive time of day to depart. momondo users have found prices as low as $351 when looking at flights departing in the evening. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $411 per ticket.

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

As of February 2026, prices for Santa Ana to St. Louis flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from Santa Ana to St. Louis

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

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

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

Fastest flight time

5h 21m

Direct flights

None
The fastest flight from Santa Ana to St. Louis takes 5h 21m
There are no direct flights from Santa Ana to St. Louis. There are no popular flight routes from Santa Ana to St. Louis.
Search flight deals

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

    The straight-line distance from Santa Ana J. Wayne/Orange Cnty to Lambert-St Louis is 1572.0 mi. By plane, this route typically takes 5h 21m.

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

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

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

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

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Santa Ana to St. Louis

Compare and see reviews for airlines that fly from Santa Ana to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $150Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
DeltaPriceFrom $248Free CancellationRating
7.9
8,174 reviews
Search Delta flights
American AirlinesPriceFrom $278Free CancellationRating
7.2
11,258 reviews
Search American Airlines flights
SouthwestPriceFrom $306Free CancellationRating
8.0
4,282 reviews
Search Southwest flights
United AirlinesPriceFrom $311Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
Florissant
O'Fallon
Collinsville
St. Peters
Fenton
Wentzville
Alton
Farmington
Clayton
Edwardsville
Eureka
Festus
Litchfield
Glencoe
Shrewsbury

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Santa Ana to St. Louis for you.

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

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

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

momondo provides multiple filters to help you find the best flight to St. Louis from Santa Ana. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Santa Ana to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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