Cheap flights from San Antonio to Missouri from $91
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Missouri departing on 8/15. 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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How to get the cheapest flight ticket from San Antonio to Missouri
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 Missouri?
In general, February is the cheapest month to fly from San Antonio to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $298. If you aren’t able to travel to Missouri during the month of February, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $298.
What is the cheapest day to depart on your flight to Missouri?
The cheapest day to depart from San Antonio to Missouri is on a Wednesday when prices can be found for as low as $379. Flights from San Antonio to Missouri on a Monday will generally be more expensive and average around $506. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Missouri?
According to our data, the cheapest time of day to fly to Missouri is in the evening. momondo users have found flights departing from San Antonio to Missouri in the evening for as low as $201. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Missouri are more costly at noon, with an average ticket price of $557. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest San Antonio to Missouri flight route?
Fly from San Antonio to Lambert-St Louis for the best San Antonio - Missouri flight prices
How far in advance should I book a flight to Missouri?
You are more likely to see cheaper flights to Missouri from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around $340 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missouri from San Antonio for as low as $196 on momondo.
What cabin class options are available on San Antonio to Missouri flights?
There are 1 cabin classes available to choose from on San Antonio to Missouri flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from San Antonio to Missouri?
Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from San Antonio to Missouri
What airlines fly to Missouri?
Southwest, American Airlines and United Airlines are the top three most popular airlines that fly to Missouri from San Antonio according to our data. Southwest is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 6 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Antonio to Missouri on average per day?
2 flights are operational daily from San Antonio to Missouri as of July 2025. The most popular departure time for this route is 7:00AM, with 64% of flights per day taking off at noon.
How many flights depart from San Antonio to Missouri on average per week?
The number of flights available between San Antonio and Missouri is 14 per week as of July 2025. The most frequent departure day is Tue, with 29% of weekly flights leaving on this day.
Cheap San Antonio to Missouri flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Antonio to Missouri
When did momondo last update prices for flights from San Antonio Airport to Missouri?
Prices for flights from San Antonio Airport to Missouri are updated daily.
How many operators does momondo search for flights from San Antonio Airport to Missouri?
As of July 2025, there are 6 operators available to choose from for flights from San Antonio Airport to Missouri.
How old do you have to be to fly from San Antonio Airport to Missouri?
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 San Antonio Airport to Missouri.
What documentation or ID do you need to fly to Missouri?
The necessary travel and health documents for your Missouri trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Antonio to Missouri?
momondo data reveals that the most frequently booked plane model on the route from San Antonio to Missouri is Boeing 737-700 Passenger/BBJ1 (winglets), representing 26.70% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 12.50%, Boeing 737 MAX 8 at 11.93%, and Boeing 737-800 at 5.68%.
Best airlines flying from San Antonio to Missouri
Compare and see reviews for airlines that fly from San Antonio to Missouri with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $112 | Free Cancellation | Rating 6.3 8,094 reviews | |||
| PriceFrom $128 | Free Cancellation | Rating 5.9 3,284 reviews | |||
| PriceFrom $134 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $166 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $238 | Free Cancellation | Rating 8.0 4,270 reviews | |||
| PriceFrom $248 | Free Cancellation | Rating 7.4 8,861 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Antonio to Missouri?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Antonio to Missouri. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from San Antonio to Missouri with flexible booking policies on momondo?
All flight searches from San Antonio to Missouri on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from San Antonio to Missouri?
momondo helps you find the best flight between San Antonio and Missouri by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from San Antonio to Missouri right now. Can momondo alert me if prices change?
Yes. momondo can track prices for San Antonio to Missouri flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.