What are the cheapest airlines flying from Great Falls to San Antonio round-trip?

Currently priced at $361, Delta will fly you from Great Falls to San Antonio and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Alaska Airlines - these airlines can fly you to your destination from $452 and $578, respectively. Delta is currently priced 39% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Great Falls to San Antonio one-way?

The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $270. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Great Falls to San Antonio for a low price.

What is the cheapest day to fly from Great Falls to San Antonio?

Travelers seeking maximum savings on their Great Falls to San Antonio flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Great Falls to San Antonio?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 47% when planning your travel around this day of the week.

What is the cheapest month to fly from Great Falls to San Antonio?

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, October can be a great choice for travel to San Antonio. Flights to San Antonio from Great Falls in October are about $595 on average during October, but can be found for as low as $324.

What is the cheapest time of day to fly from GTF to SAT?

A simple way to save on the total cost of your ticket is to fly from Great Falls to San Antonio in the afternoon. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight at noon.

Most accurate provider : When it comes to deals on Great Falls-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-San Antonio flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Great Falls-San Antonio flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Great Falls-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Great Falls to San Antonio that include hotel bookings?

Yes. In addition to deals on Great Falls to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Great Falls to San Antonio?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to San Antonio.

Can I find deals for business class flights from Great Falls to San Antonio?

Yes. Cheapflights offers flight deals from Great Falls to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$270+ Flights from Great Falls to San Antonio - Compare & Save Big

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1. Tell us where you want to go

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Cheap flight deals from Great Falls to San Antonio

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$361 (Delta)
One-way from	$270 (Alaska Airlines)
Popular in	April
Cheapest in	October
Average price	$527

Provider with most accurate pricing for Great Falls-San Antonio flight deals.

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Provider most trusted by Cheapflights users for Great Falls-San Antonio flights.

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From Great Falls to San Antonio

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One-way flight from Great Falls to San Antonio

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($145 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 10% potential price decrease ($56 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

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Find flight deals from Great Falls to San Antonio

Cheapest flights from Great Falls to San Antonio
Explore the most affordable flight options available from Great Falls to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Fri 5/306:19 pmGTF - SAT

1 stop5h 20mDelta

Wed 6/46:10 pmSAT - GTF

1 stop5h 21mDelta

Deal found 4/30

$361

Fri 5/302:26 pmGTF - SAT

2 stops7h 33mUnited Airlines

Tue 6/35:30 amSAT - GTF

2 stops8h 57mUnited Airlines

Deal found 4/30

$452

Thu 5/155:09 pmGTF - SAT

1 stop11h 01mAlaska Airlines

Tue 5/206:30 amSAT - GTF

1 stop10h 59mAlaska Airlines

Deal found 4/29

$578

Best flights from Great Falls to San Antonio
Discover carefully curated flight deals from Great Falls to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Fri 5/306:19 pmGTF - SAT

1 stop5h 20mDelta

Wed 6/46:10 pmSAT - GTF

1 stop5h 21mDelta

Deal found 4/30

$361

Fri 5/302:26 pmGTF - SAT

2 stops7h 33mUnited Airlines

Tue 6/35:30 amSAT - GTF

2 stops8h 57mUnited Airlines

Deal found 4/30

$452

Thu 5/155:09 pmGTF - SAT

1 stop11h 01mAlaska Airlines

Tue 5/206:30 amSAT - GTF

1 stop10h 59mAlaska Airlines

Deal found 4/29

$578

Last-minute flights from Great Falls to San Antonio
Discover last-minute flight deals from Great Falls to San Antonio. Data last updated May 1, 2025 and is based on user searches.

Sun 5/116:19 pmGTF - SAT

1 stop5h 20mDelta

Tue 6/312:40 pmSAT - GTF

1 stop5h 56mDelta

Deal found 4/30

$571

Sun 5/112:26 pmGTF - SAT

1 stop8h 20mUnited Airlines

Sat 5/3111:41 amSAT - GTF

2 stops10h 29mUnited Airlines

Deal found 4/30

$612

Thu 5/155:09 pmGTF - SAT

1 stop11h 01mAlaska Airlines

Tue 5/206:30 amSAT - GTF

1 stop10h 59mAlaska Airlines

Deal found 4/29

$578

Fri 5/306:19 pmGTF - SAT

1 stop5h 20mDelta

Wed 6/46:10 pmSAT - GTF

1 stop5h 21mDelta

Deal found 4/30

$361

Fri 5/302:26 pmGTF - SAT

2 stops7h 33mUnited Airlines

Tue 6/35:30 amSAT - GTF

2 stops8h 57mUnited Airlines

Deal found 4/30

$452

One-way flights from Great Falls to San Antonio
Search for one-way flight options from Great Falls to San Antonio. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Sun 9/214:29 pmGTF - SAT

1 stop25h 17mAlaska Airlines

Deal found 4/30

$270

Sun 9/215:30 amGTF - SAT

2 stops10h 46mDelta

Deal found 4/30

$295

Sun 9/212:35 pmGTF - SAT

3 stops29h 42mUnited Airlines

Deal found 4/30

$414

Cheapflights Fare Finder

Use the filters below to find and compare flights from Great Falls to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Fri 5/30

6:19 pm-12:39 am

1 stop5h 20m

San Antonio

Wed 6/4

6:10 pm-10:31 pm

1 stop5h 21m

$361

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Fri 5/30

2:26 pm-10:59 pm

2 stops7h 33m

San Antonio

Tue 6/3

5:30 am-1:27 pm

2 stops8h 57m

$452

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Thu 5/15

5:09 pm-5:10 am

1 stop11h 01m

San Antonio

Tue 5/20

6:30 am-4:29 pm

1 stop10h 59m

$578

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Sun 9/21

4:29 pm-6:46 pm

1 stop25h 17m

$270

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Sun 9/21

5:30 am-5:16 pm

2 stops10h 46m

$295

Great FallsSan Antonio

GTF - SAT

GTFSAT

Great Falls

Sun 9/21

2:35 pm-9:17 pm

3 stops29h 42m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Compare providers for flights from Great Falls to San Antonio

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Great Falls to San Antonio in May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Great Falls-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-San Antonio flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Great Falls-San Antonio flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Great Falls-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Great Falls to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Great Falls with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Great Falls to San Antonio

What is the cheapest month to book a flight from Great Falls to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Great Falls to San Antonio (average of $295). Flying from Great Falls to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in San Antonio by month

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Antonio

See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Great Falls to San Antonio have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,968 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

9,968 reviews

Alaska Airlines

8.0

Very good

9,968 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,934 reviews

Alaska Airlines

8.0

Very good

9,968 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,696 reviews

Alaska Airlines

8.0

Very good

9,968 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What are the cheapest airlines flying from Great Falls to San Antonio round-trip?
Currently priced at $361, Delta will fly you from Great Falls to San Antonio and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Alaska Airlines - these airlines can fly you to your destination from $452 and $578, respectively. Delta is currently priced 39% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Great Falls to San Antonio one-way?
The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $270. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Great Falls to San Antonio for a low price.
Can I find deals for flights from Great Falls to San Antonio that include hotel bookings?
Yes. In addition to deals on Great Falls to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Great Falls to San Antonio?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to San Antonio.
Can I find deals for business class flights from Great Falls to San Antonio?
Yes. Cheapflights offers flight deals from Great Falls to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Great Falls to San Antonio?
Currently, August is the cheapest month in which you can book a flight from Great Falls to San Antonio (average of $295). Flying from Great Falls to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Other flights to San Antonio

Top 2 airlines flying from Great Falls to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$324	Average$463	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$345	Average$580	FlexibilityNo cancel fee	On-time69%

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$270+ Cheap flights from Great Falls to San Antonio (GTF - SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Great Falls to San Antonio with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Great Falls to San Antonio

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Great Falls to San Antonio

Cheapest flights from Great Falls to San AntonioExplore the most affordable flight options available from Great Falls to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Explore the most affordable flight options available from Great Falls to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Great Falls to San Antonio that are best for you.

Compare providers for flights from Great Falls to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Great Falls to San Antonio in May.

Best time to book a flight from Great Falls to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Great Falls with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Great Falls to San Antonio

What is the cheapest month to book a flight from Great Falls to San Antonio?

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

Reviews of airlines servicing San Antonio

See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Great Falls to San Antonio have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Great Falls to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Great Falls to San Antonio round-trip?

What are the cheapest airlines to fly from Great Falls to San Antonio one-way?

Can I find deals for flights from Great Falls to San Antonio that include hotel bookings?

How can I find direct flights from Great Falls to San Antonio?

Can I find deals for business class flights from Great Falls to San Antonio?

What is the cheapest month to book a flight from Great Falls to San Antonio?

Traveling to a place near Great Falls?

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Alternative routes for Great Falls to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Great Falls to San Antonio

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Cheapest flights from Great Falls to San Antonio
Explore the most affordable flight options available from Great Falls to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.