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Route guide: DEN to SAT

Denver to San Antonio on Frontier

Independent tool. Not Frontier.

Frontier flies nonstop from Denver (DEN) to San Antonio (SAT), typically once a day. Since Oct 27, GoWild! seats were open at window open on 14 of the 16 days we checked; Tuesdays were the most reliable.

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Denver (DEN)San Antonio
  • Your airport
  • Nonstop, about 800 miles
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Schedule

The usual schedule from Denver

Flights a day
Typically 1
All nonstop, flown by Frontier
Flight time
About 2h 15m
800 miles
First departure
Around 4 PM
Mountain Time
Last departure
Around 4 PM
Lands around 7 PM Central

Days it flies

Every day

The way back: typically 1 a day from San Antonio to Denver, the last around 8:30 PM. The way back

Typical times from our own checks, rounded to the half hour. Frontier changes schedules by season, so always confirm with Frontier before you book.

GoWild! Pass

When GoWild! seats opened on Denver to San Antonio.

Denver to San Antonio is a domestic route, so GoWild! seats open at 12:00 AM Mountain Time, the day before the flight. Each night at that moment we check Denver to San Antonio and note what we found. Everything below comes from days that have already flown.

Seats open 12:00 AM Mountain, the day before you flySee the blackout dates

Last 60 days, ending yesterday

Denver (DEN) to San Antonio (SAT), checked when the window opened

14 of 16

days had GoWild! seats when the window opened

  • Opened with GoWild! seats
  • Not opened
  • Not checked

Last 60 days, ending yesterday.

Oldest first: Sep 13 to Nov 11.

Best weekdays

Days with GoWild! seats at window open, by day of the week

MonBuilding
Tue100%
Wed100%
ThuBuilding
FriBuilding
SatBuilding
SunBuilding

Every weekday we checked opened about as often as the others. Blackout dates count as not open, so holiday weeks pull some days down.

Patterns describe past days. They do not predict or guarantee seats.

Seats listed right now on Denver to San Antonio

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Members see which Denver to San Antonio flights have GoWild! seats right now, with times and seats.

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We check every night when the window opens and tell you when seats show up. Free accounts get 1 alert, by email. Supporters get 15, by email and push notification.

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Discount Den

Did Discount Den beat the standard fare?

Discount Den is Frontier's paid fare club. On our own checks we compare its fare with the standard fare on the same Denver to San Antonio flight, so you can see whether it pays off on this route.

Read our Discount Den guide

Cheaper than standard

100%

of days: 16 of the 16 days we compared

Average saving

$1

per one-way, on the days Discount Den was cheaper

Lowest Discount Den fare

$139

one-way, the lowest we saw from Oct 27 to Nov 11

Fares we saw on checks made 0 to 2 days before departure. Fares booked further ahead can be different. Denver to San Antonio, one-way, without bags or seat selection.

Today's fares on Denver to San Antonio

Members only

Members see today's Discount Den and standard fares side by side in the app, flight by flight.

The way back, and other ways to go.

Plan both directions before you fly out. Seats for the flight home open on San Antonio's clock: 12:00 AM Central, the day before that flight.

SATDEN

The way back

San Antonio to Denver

Typically 1 nonstop a day. The last one usually leaves around 8:30 PM.

GoWild! seats were open at window open on 17 of 17 days we checked since Oct 26.

Nearby airport

Denver to Austin (AUS)

Austin is about 66 miles from San Antonio. Frontier flies it nonstop.

See Denver to Austin

Denver to San Antonio questions.

How long is the flight from Denver to San Antonio?

About 2h 15m nonstop, for about 800 miles. San Antonio is 1 hour ahead of Denver, so add that to the clock when you land.

How many nonstop flights a day go from Denver to San Antonio?

Typically 1 a day. These are typical counts from our own checks, not a timetable, so confirm with Frontier.

Which days does Frontier fly Denver to San Antonio nonstop?

Nonstops were seen every day of the week in our checks.

When do GoWild! seats open for Denver to San Antonio?

At 12:00 AM Mountain Time, the day before the flight, because it is a domestic route. For the way back, seats open at 12:00 AM Central time, the day before that flight. Blackout dates apply, and seats can sell out between our check and your booking, so always confirm on Frontier.

How often were GoWild! seats open on Denver to San Antonio?

On 14 of the 16 days we checked since Oct 27, GoWild! seats were open when the window opened. Tuesdays were the most reliable. Patterns describe past days. They do not predict or guarantee seats.

Is Discount Den usually cheaper than the standard fare on Denver to San Antonio?

On 16 of the 16 days we compared, Discount Den was cheaper than the standard fare, by $1 on average per one-way. These are fares we saw on checks made 0 to 2 days before departure; fares booked further ahead can be different.

Can I fly into a nearby airport instead?

Yes. Nearby options on Frontier: Denver to Austin (AUS). The GoWild! window follows the departure airport's clock on each of them.

Schedules and history come from our own checks. Always confirm with Frontier before you book.

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