$181 Cheap Flights from Flagstaff (FLG) to San Antonio (SAT)

View $181 flight on Wed, Mar 11, 2026Opens in a new window

Popular airlines from Flagstaff Pulliam Field (FLG) to San Antonio International Airport (SAT)

Cheap Flights from Flagstaff to San Antonio (FLG-SAT)

Prices were available within the past 7 days and start at $181 for one-way flights and $306 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Jan 21 - Mon, Jan 26
FLG
Flagstaff
SAT
San Antonio
$306 Roundtrip, found 6 hours ago
$306
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Wed, Jan 21 from Flagstaff to San Antonio, returning Mon, Jan 26, priced at $306 found 6 hours ago
American Airlines
Thu, Jan 29 - Sat, Jan 31
FLG
Flagstaff
SAT
San Antonio
$356 Roundtrip, found 6 days ago
$356
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Jan 29 from Flagstaff to San Antonio, returning Sat, Jan 31, priced at $356 found 6 days ago
American Airlines
Thu, Jan 29 - Sat, Jan 31
FLG
Flagstaff
SAT
San Antonio
$358 Roundtrip, found 6 days ago
$358
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Jan 29 from Flagstaff to San Antonio, returning Sat, Jan 31, priced at $358 found 6 days ago
American Airlines
Thu, Jan 22 - Sun, Jan 25
FLG
Flagstaff
SAT
San Antonio
$376 Roundtrip, found 6 hours ago
$376
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Thu, Jan 22 from Flagstaff to San Antonio, returning Sun, Jan 25, priced at $376 found 6 hours ago
American Airlines
Thu, Jan 1 - Mon, Jan 5
FLG
Flagstaff
SAT
San Antonio
$386 Roundtrip, found 1 day ago
$386
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Jan 1 from Flagstaff to San Antonio, returning Mon, Jan 5, priced at $386 found 1 day ago
American Airlines
Thu, Dec 25 - Mon, Jan 12
FLG
Flagstaff
SAT
San Antonio
$406 Roundtrip, found 2 days ago
$406
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Dec 25 from Flagstaff to San Antonio, returning Mon, Jan 12, priced at $406 found 2 days ago
American Airlines
Fri, Dec 19 - Tue, Dec 23
FLG
Flagstaff
SAT
San Antonio
$416 Roundtrip, found 2 days ago
$416
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Dec 19 from Flagstaff to San Antonio, returning Tue, Dec 23, priced at $416 found 2 days ago
American Airlines
Thu, Jan 1 - Mon, Jan 5
FLG
Flagstaff
SAT
San Antonio
$426 Roundtrip, found 1 day ago
$426
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Jan 1 from Flagstaff to San Antonio, returning Mon, Jan 5, priced at $426 found 1 day ago
American Airlines
Thu, Jan 29 - Sat, Jan 31
FLG
Flagstaff
SAT
San Antonio
$429 Roundtrip, found 6 days ago
$429
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Jan 29 from Flagstaff to San Antonio, returning Sat, Jan 31, priced at $429 found 6 days ago
American Airlines
Thu, Jan 29 - Sat, Jan 31
FLG
Flagstaff
SAT
San Antonio
$451 Roundtrip, found 6 days ago
$451
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Jan 29 from Flagstaff to San Antonio, returning Sat, Jan 31, priced at $451 found 6 days ago

Alternative airports near San Antonio

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Antonio Intl. SAT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $406
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $406
Flights from Flagstaff (FLG) to San Antonio (SAT)
Origin airport
Flagstaff Pulliam Field
Destination airport
San Antonio Intl.
Airlines serving
American Airlines
Roundtrip price
$305
Distance
861 mi

Flagstaff to San Antonio Flights

The cheapest times to fly from Flagstaff to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Flagstaff to San Antonio are during the month of January. You can find some of the cheapest flights from Flagstaff to San Antonio with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Flagstaff to San Antonio

Sunday is one of the best days to book for cheap flights from Flagstaff to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Flagstaff to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Flagstaff to San Antonio in 2026. You can also book with separate airlines for your outbound and return journeys, from $181 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Flagstaff to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Flagstaff to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Flagstaff Pulliam Field Airport (FLG) to San Antonio Intl. Airport (SAT) cost?
Grab a cheap one-way flight from $181 or cheap return flight from $306 from Flagstaff Pulliam Field Airport (FLG) to San Antonio Intl. Airport (SAT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Flagstaff Pulliam Field Airport (FLG) to San Antonio Intl. Airport (SAT)?
Planning your getaway for January can help you save, as it's the cheapest month for flights between FLG and SAT. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Flagstaff Pulliam Field Airport (FLG) to San Antonio Intl. Airport (SAT)?
To find the cheapest airline that'll fly you from FLG to SAT, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Flagstaff Pulliam Field Airport (FLG) to San Antonio Intl. Airport (SAT)?
Direct flights from Flagstaff Pulliam Field Airport (FLG) to San Antonio Intl. Airport (SAT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from FLG to SAT?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Flagstaff Pulliam Field Airport (FLG) to San Antonio Intl. Airport (SAT)?
To avoid possible delays on the Flagstaff Pulliam Field Airport (FLG) to San Antonio Intl. Airport (SAT) route, travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Flagstaff Pulliam Field Airport (FLG) to San Antonio Intl. Airport (SAT) last-minute?
Last-minute bookings from FLG to SAT are generally more expensive. To secure the best prices, start searching for flights early. That said, if your travel plans are flexible, it's possible to find a cheap fare right before your journey.
Is it cheaper to book a FLG to SAT flight and hotel package?
You'll typically save money by securing a FLG to SAT flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've chosen your ideal flights and accommodations, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from Flagstaff Pulliam Field Airport (FLG) to San Antonio Intl. Airport (SAT)?
Typically, you can cancel or reschedule your FLG to SAT flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, go to our Customer Service portal.

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*Available to One Key members.