Cheap flights from Santa Ana to St. Louis from $114
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 9/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Santa Ana to St. Louis
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Spirit Airlines flights from Santa Ana to St. Louis
Our best Spirit Airlines deals on Santa Ana to St. Louis flight tickets
Delta flights from Santa Ana to St. Louis
Our best Delta deals on Santa Ana to St. Louis flight tickets
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, May 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 $432. The month of October is another great option to travel to St. Louis, with average flight prices from Santa Ana averaging around $436.
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 Tuesday when prices can be found for as low as $383. 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 Saturday because tickets tend to average around $447. 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 morning is the least expensive time of day to depart. momondo users have found prices as low as $417 when looking at flights departing in the morning. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $425 per ticket.
How far in advance should I book a flight to St. Louis?
You are more likely to see cheaper flights to St. Louis from Santa Ana when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $471 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Santa Ana for as low as $370 on momondo.
What is the cheapest airline that flies from Santa Ana J. Wayne/Orange Cnty to Lambert-St Louis?
Frontier, United Airlines, and Alaska Airlines are the most popular carriers operating from Santa Ana J. Wayne/Orange Cnty to Lambert-St Louis
What airlines fly to St. Louis?
Southwest, American Airlines and Frontier are the top three most popular airlines that fly to St. Louis from Santa Ana according to our data. Southwest is the first choice among our users, with 39% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 7 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
When to book flights from Santa Ana to St. Louis
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
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 33m.
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?
As of July 2025, there are 5 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Santa Ana to St. Louis is American Airlines (46% of total bookings). The next most popular airlines are Southwest (24%), United Airlines (17%), and Delta (7%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $138 | Free Cancellation | Rating 5.9 3,286 reviews | |||
| PriceFrom $342 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $346 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $352 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $366 | Free Cancellation | Rating 8.0 4,266 reviews |
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy 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.