Cheap Flights from Denver to Northwest San Antonio

View €68 flight on Sat, 23 Aug 2025Opens in a new window

Popular airlines from Denver to Northwest San Antonio

  • Aer Lingus

    Aer Lingus

  • Lufthansa

    Lufthansa

  • British Airways

    British Airways

  • Turkish Airlines

    Turkish Airlines

  • American Airlines

    American Airlines

  • Air Serbia

    Air Serbia

  • Swiss International Air Lines

    Swiss International Air Lines

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 15% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Denver to Northwest San Antonio (DEN-SAT)

Prices were available within the past 7 days and start at €68 for one-way flights and €136 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 23 Aug - Mon, 25 Aug
DEN
Denver
SAT
San Antonio
€136 Return, found 1 day ago
€136
Return
found 1 day ago
Select American Airlines flight, departing Sat, 23 Aug from Denver to San Antonio, returning Mon, 25 Aug, priced at €136 found 1 day ago
Delta
Sat, 23 Aug - Mon, 25 Aug
DEN
Denver
SAT
San Antonio
€152 Return, found 1 day ago
€152
Return
found 1 day ago
Select Delta flight, departing Sat, 23 Aug from Denver to San Antonio, returning Mon, 25 Aug, priced at €152 found 1 day ago
United
Sat, 23 Aug - Mon, 25 Aug
DEN
Denver
SAT
San Antonio
€155 Return, found 1 day ago
€155
Return
found 1 day ago
Select United flight, departing Sat, 23 Aug from Denver to San Antonio, returning Mon, 25 Aug, priced at €155 found 1 day ago
American Airlines
Sat, 23 Aug - Mon, 25 Aug
DEN
Denver
SAT
San Antonio
€160 Return, found 1 day ago
€160
Return
found 1 day ago
Select American Airlines flight, departing Sat, 23 Aug from Denver to San Antonio, returning Mon, 25 Aug, priced at €160 found 1 day ago
Delta
Sat, 23 Aug - Mon, 25 Aug
DEN
Denver
SAT
San Antonio
€168 Return, found 1 day ago
€168
Return
found 1 day ago
Select Delta flight, departing Sat, 23 Aug from Denver to San Antonio, returning Mon, 25 Aug, priced at €168 found 1 day ago
United
Sat, 23 Aug - Mon, 25 Aug
DEN
Denver
SAT
San Antonio
€171 Return, found 1 day ago
€171
Return
found 1 day ago
Select United flight, departing Sat, 23 Aug from Denver to San Antonio, returning Mon, 25 Aug, priced at €171 found 1 day ago

Find the cheapest month to fly from Denver (DEN) to San Antonio (SAT)

September is typically the cheapest month to fly

From €41 - €134 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.