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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 5/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
7:25 am - 7:32 pm
SNA
-
STL
34h 07m
2 stops
Multiple Airlines Logo
8:06 pm - 11:25 am
STL
-
SNA
17h 19m
1 stop
$199Multiple Airlines
Fri, Apr 24 - Fri, May 1
Frontier Logo
11:29 am - 7:21 pm
SNA
-
STL
5h 52m
1 stop
Frontier Logo
12:07 pm - 5:56 pm
STL
-
SNA
7h 49m
1 stop
$211Frontier
Thu, Apr 23 - Fri, May 1
Multiple Airlines Logo
4:37 pm - 7:21 pm
SNA
-
STL
24h 44m
2 stops
Multiple Airlines Logo
9:55 pm - 12:28 pm
STL
-
SNA
16h 33m
1 stop
$213Multiple Airlines
Wed, Apr 15 - Sun, Apr 19
Multiple Airlines Logo
6:45 am - 9:00 pm
SNA
-
STL
12h 15m
1 stop
Multiple Airlines Logo
9:55 pm - 12:28 pm
STL
-
SNA
16h 33m
1 stop
$214Multiple Airlines
Thu, Apr 16 - Sun, Apr 19
Multiple Airlines Logo
4:37 pm - 9:00 pm
SNA
-
STL
26h 23m
1 stop
Multiple Airlines Logo
9:55 pm - 5:26 pm
STL
-
SNA
21h 31m
1 stop
$215Multiple Airlines
Wed, Apr 15 - Sun, Apr 19
Multiple Airlines Logo
4:37 pm - 7:21 pm
SNA
-
STL
24h 44m
2 stops
Multiple Airlines Logo
4:16 pm - 8:56 pm
STL
-
SNA
6h 40m
1 stop
$224Multiple Airlines
Wed, Apr 15 - Sat, Apr 18
Multiple Airlines Logo
7:25 am - 7:32 pm
SNA
-
STL
34h 07m
2 stops
Multiple Airlines Logo
8:17 pm - 10:44 am
STL
-
SNA
16h 27m
1 stop
$227Multiple Airlines
Fri, Apr 24 - Sat, May 2
Multiple Airlines Logo
4:37 pm - 9:00 pm
SNA
-
STL
26h 23m
1 stop
Multiple Airlines Logo
4:16 pm - 8:56 pm
STL
-
SNA
6h 40m
1 stop
$228Multiple Airlines
Wed, Apr 15 - Sat, Apr 18
Multiple Airlines Logo
2:53 pm - 11:19 am
SNA
-
STL
18h 26m
1 stop
Multiple Airlines Logo
8:06 pm - 12:27 pm
STL
-
SNA
18h 21m
1 stop
$231Multiple Airlines
Thu, Mar 26 - Sun, Mar 29
Multiple Airlines Logo
2:53 pm - 12:19 pm
SNA
-
STL
19h 26m
1 stop
Multiple Airlines Logo
8:19 pm - 9:13 pm
STL
-
SNA
26h 54m
2 stops
$234Multiple Airlines
Wed, Apr 8 - Mon, Apr 13

Frontier flights from Santa Ana to St. Louis

Our best Frontier deals on Santa Ana to St. Louis flight tickets
Frontier
Apr 23
SNA11:29 amSanta Ana J. Wayne/Orange Cnty
5h 52m
1 stop
STL7:21 pmLambert-St Louis
May 1
STL12:07 pmLambert-St Louis
7h 49m
1 stop
SNA5:56 pmSanta Ana J. Wayne/Orange Cnty
$211
Frontier
Apr 23
SNA11:29 amSanta Ana J. Wayne/Orange Cnty
18h 25m
2 stops
STL7:54 amLambert-St Louis
May 1
STL8:06 pmLambert-St Louis
17h 19m
1 stop
SNA11:25 amSanta Ana J. Wayne/Orange Cnty
$237
Frontier
Mar 23
SNA1:12 pmSanta Ana J. Wayne/Orange Cnty
20h 07m
1 stop
STL11:19 amLambert-St Louis
Mar 27
STL8:12 pmLambert-St Louis
38h 38m
2 stops
SNA8:50 amSanta Ana J. Wayne/Orange Cnty
$238

Delta flights from Santa Ana to St. Louis

Our best Delta deals on Santa Ana to St. Louis flight tickets
Delta
Apr 23
SNA10:55 amSanta Ana J. Wayne/Orange Cnty
11h 30m
2 stops
STL12:25 amLambert-St Louis
Apr 29
STL2:20 pmLambert-St Louis
10h 08m
2 stops
SNA10:28 pmSanta Ana J. Wayne/Orange Cnty
$280
Delta
Apr 21
SNA7:00 amSanta Ana J. Wayne/Orange Cnty
8h 26m
1 stop
STL5:26 pmLambert-St Louis
Apr 29
STL2:20 pmLambert-St Louis
5h 46m
1 stop
SNA6:06 pmSanta Ana J. Wayne/Orange Cnty
$303
Delta
Apr 22
SNA7:00 amSanta Ana J. Wayne/Orange Cnty
8h 26m
1 stop
STL5:26 pmLambert-St Louis
Apr 28
STL6:20 amLambert-St Louis
10h 52m
2 stops
SNA3:12 pmSanta Ana J. Wayne/Orange Cnty
$308

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 21, 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

Fri 4/24

7:25 am-7:32 pm

2 stops34h 07m

Lambert-St Louis

Fri 5/1

8:06 pm-11:25 am

1 stop17h 19m

$199

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Thu 4/23

11:29 am-7:21 pm

1 stop5h 52m

Lambert-St Louis

Fri 5/1

12:07 pm-5:56 pm

1 stop7h 49m

$211

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Wed 4/15

4:37 pm-7:21 pm

2 stops24h 44m

Lambert-St Louis

Sun 4/19

9:55 pm-12:28 pm

1 stop16h 33m

$213

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Thu 4/16

6:45 am-9:00 pm

1 stop12h 15m

Lambert-St Louis

Sun 4/19

9:55 pm-12:28 pm

1 stop16h 33m

$214

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Wed 4/15

4:37 pm-9:00 pm

1 stop26h 23m

Lambert-St Louis

Sun 4/19

9:55 pm-5:26 pm

1 stop21h 31m

$215

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Wed 4/15

4:37 pm-7:21 pm

2 stops24h 44m

Lambert-St Louis

Sat 4/18

4:16 pm-8:56 pm

1 stop6h 40m

$224

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Fri 4/24

7:25 am-7:32 pm

2 stops34h 07m

Lambert-St Louis

Sat 5/2

8:17 pm-10:44 am

1 stop16h 27m

$227

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Wed 4/15

4:37 pm-9:00 pm

1 stop26h 23m

Lambert-St Louis

Sat 4/18

4:16 pm-8:56 pm

1 stop6h 40m

$228

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Thu 3/26

2:53 pm-11:19 am

1 stop18h 26m

Lambert-St Louis

Sun 3/29

8:06 pm-12:27 pm

1 stop18h 21m

$231

Santa AnaSt. Louis

SNA - STL

SNASTL

Santa Ana J. Wayne/Orange Cnty

Wed 4/8

2:53 pm-12:19 pm

1 stop19h 26m

Lambert-St Louis

Mon 4/13

8:19 pm-9:13 pm

2 stops26h 54m

$234

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 $385. 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 Monday because tickets tend to average around $438. 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 $425 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

7h 38m

Direct flights

None
The fastest flight from Santa Ana to St. Louis takes 7h 38m
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 7h 38m.

  • 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
3,046 reviews
Search Frontier flights
DeltaPriceFrom $248Free CancellationRating
7.9
8,228 reviews
Search Delta flights
American AirlinesPriceFrom $278Free CancellationRating
7.2
11,334 reviews
Search American Airlines flights
SouthwestPriceFrom $306Free CancellationRating
8.0
4,298 reviews
Search Southwest flights
United AirlinesPriceFrom $311Free CancellationRating
7.4
9,335 reviews
Search United Airlines flights

  • United Airlines Flights From Santa Ana to St. Louis

    United Airlines flies from Santa Ana to St. Louis around 6 times per week, with 9,335 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Santa Ana to St. Louis in the last 72 hours was $311 (round-trip), much lower than the average airfare cost of $449 for United Airlines flights on this route.

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
St. Peters
Collinsville
Wentzville
Fenton
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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