Cheap flights from St. Louis to Los Angeles from $100
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 Los Angeles departing on 6/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from St. Louis to Santa Ana
Our best American Airlines deals on St. Louis to Santa Ana flight tickets
Alaska Airlines flights from St. Louis to Santa Ana
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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 November is another great option to travel to Santa Ana, with average flight prices from St. Louis averaging around $386.
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 8 weeks ahead of your departure date. In general, you can expect to find flights to Santa Ana for around $430 when searching 8 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 $365 on momondo.
What is the cheapest airline that flies from Lambert-St Louis to Santa Ana J. Wayne/Orange Cnty?
Frontier, Hawaiian Airlines, and Delta are the most popular carriers operating from Lambert-St Louis to Santa Ana J. Wayne/Orange Cnty
What airlines fly to Santa Ana?
American Airlines, Southwest and Frontier are the top three most popular airlines that fly to Santa Ana from St. Louis according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Santa Ana. Keep in mind that there are 7 different airlines that fly to Santa Ana on a routine basis, so you have a few additional options to choose from.
When to book flights from St. Louis to Santa Ana
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
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 25m.
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?
The number of operators available for flights from Lambert-St Louis Airport to Santa Ana J. Wayne/Orange Cnty Airport is 5 as of June 2025.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Santa Ana is American Airlines (43% of total bookings). The next most popular airlines are Southwest (25%), United Airlines (14%), and Delta (9%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $144 | Free Cancellation | Rating 5.9 3,296 reviews | |||
| PriceFrom $286 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $322 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $342 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $362 | Free Cancellation | Rating 8.0 4,278 reviews |
Southwest Flights From St. Louis to Santa Ana
Southwest is one of the most popular airlines flying from St. Louis to Santa Ana, operating 4 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 $446. Our users have rated Southwest at 8.0/10.
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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.