Cheap flights from Great Falls to San Antonio from $165
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to San Antonio departing on 9/21. 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 Great Falls to San Antonio
Cheap round-trip flights
Cheap one-way flights
United Airlines flights from Great Falls to San Antonio
Our best United Airlines deals on Great Falls to San Antonio flight tickets
Delta flights from Great Falls to San Antonio
Our best Delta deals on Great Falls to San Antonio flight tickets
See travel insights to San Antonio from
How to get the cheapest flight ticket from Great Falls to San Antonio
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 day to depart on your flight to San Antonio?
The cheapest day to depart on your flight to San Antonio is on a Tuesday when prices can be found for as low as $393. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Thursday is $581.
What is the cheapest time of day to depart on your flight to San Antonio?
According to our data, the cheapest time of day to fly to San Antonio is in the afternoon. momondo users have found flights departing from Great Falls to San Antonio in the afternoon for as low as $384. 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 San Antonio are more costly at noon, with an average ticket price of $627. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
When to book flights from Great Falls to San Antonio
Cheap Great Falls to San Antonio (GTF to SAT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Great Falls to San Antonio
How far is Great Falls to San Antonio by plane?
The straight-line distance from Great Falls to San Antonio is 1422.9 mi. In terms of flight time, this usually takes a little over 5h 16m.
When did momondo last update prices for flights from Great Falls Airport to San Antonio Airport?
Prices for flights from Great Falls Airport to San Antonio Airport refresh daily.
How many operators does momondo search for flights from Great Falls Airport to San Antonio Airport?
The number of operators available for flights from Great Falls Airport to San Antonio Airport is 2 as of June 2025.
How old do you have to be to fly from Great Falls Airport to San Antonio Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Great Falls Airport to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The travel and health documents you'll need for your trip to San Antonio 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 San Antonio 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 Great Falls to San Antonio?
Based on momondo bookings for flights between Great Falls and San Antonio, the leading airline is Delta, making up 50% of the total bookings. Other popular airlines include United Airlines with 50%.
Best airlines flying from Great Falls to San Antonio
Compare and see reviews for airlines that fly from Great Falls to San Antonio with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $324 | Free Cancellation | Rating 8.0 7,966 reviews | |||
| PriceFrom $345 | Free Cancellation | Rating 7.4 8,840 reviews |
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Great Falls to San Antonio?
Finding the right flight to San Antonio from Great Falls is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Antonio quick and easy, saving you time and money.
Can I find flights from Great Falls to San Antonio with flexible booking policies on momondo?
Flights from Great Falls to San Antonio with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Great Falls to San Antonio?
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 San Antonio from Great Falls.
I’m not ready to book a flight from Great Falls to San Antonio right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Great Falls to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Antonio and let you know when they change.