Frontier has round-trip flights from Austin (AUS) to Denver (DEN) for $38-$48, NONSTOP. One-way starting at $19. Flights July to November. Departures on Monday, Tuesday, Wednesday, Thursday, and Saturday. Extended weekends available. Origin/Destination reversible. No Thanksgiving dates.
Category: <span>Denver</span>
Image Credits: Alan Stark, Creative Commons 2.0
Image Credits: Alan Stark, Creative Commons 2.0
United and Southwest have round-trip flights from Austin and San Antonio (AUS, SAT) to Denver (DEN) for $135, NONSTOP. Flights May to November. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible. No Thanksgiving dates.
Image Credits: Alan Stark, Creative Commons 2.0
Frontier has round-trip flights from Austin and San Antonio (AUS, SAT) to Denver or Orlando (DEN, MCO) for $58-$87, NONSTOP. Flights March to June. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible.
Image Credits: Alan Stark, Creative Commons 2.0
Frontier has round-trip flights from Austin (AUS) to Denver (DEN) for $36-$58, NONSTOP. Flights March to May. No Sunday departures. Extended weekends available. Origin/Destination reversible.
Image Credits: Alan Stark, Creative Commons 2.0
United has round-trip flights from Austin or San Antonio (AUS, SAT) to Denver (DEN) for $131, NONSTOP. Flights November to December. Departures on Monday, Tuesday, Wednesday, Thursday, and Saturday. Holiday blackouts.
United’s “Basic Economy” fares do not allow for a free carry-on bag. Only a personal item (like a small laptop bag) is free. Seats are randomly assigned for free prior to boarding.
The personal item size on United is smaller (9 x 10 x 17 inches) than Frontier or Spirit (8 x 13 x 18 inches).
Image Credits: Alan Stark, Creative Commons 2.0
Southwest has round-trip flights from Austin (AUS) to Denver or San Diego (DEN, SAN) for $133, NONSTOP. Flights October to January. Departures on Tuesday, Wednesday, and Saturday. Very few extended weekends available. Origin/Destination reversible.
Image Credits: Alan Stark, Creative Commons 2.0
Southwest has round-trip flights from San Antonio or Austin (SAT, AUS) to Denver (DEN) for $124, NONSTOP. Flights October to November. No Friday departures. Extended weekends available. Origin/Destination reversible. No Thanksgiving dates.
Image Credits: Daniel Schwen, Creative Commons 4.0
United has round-trip flights from Austin or San Antonio (AUS, SAT) to Denver or Chicago (DEN, ORD) for $121, NONSTOP. Flights August to December. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible. No Christmas dates available.
United’s “Basic Economy” fares do not allow for a free carry-on bag. Only a personal item (like a small laptop bag) is free. Seats are randomly assigned for free prior to boarding.
The personal item size on United is smaller (9 x 10 x 17 inches) than Frontier or Spirit (8 x 13 x 18 inches).
Image Credits: Alan Stark, Creative Commons 2.0
United has round-trip flights from Austin (AUS) to Denver (DEN) for $137, NONSTOP. Flights August to November. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible. No Thanksgiving dates.
United’s “Basic Economy” fares do not allow for a free carry-on bag. Only a personal item (like a small laptop bag) is free. Seats are randomly assigned for free prior to boarding.
The personal item size on United is smaller (9 x 10 x 17 inches) than Frontier or Spirit (8 x 13 x 18 inches).
Image Credits: Alan Stark, Creative Commons 2.0
United and Southwest have round-trip flights from Austin (AUS) to Denver (DEN) for $137, NONSTOP. Flights August to November. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible. No Thanksgiving dates.
United’s “Basic Economy” fares do not allow for a free carry-on bag. Only a personal item (like a small laptop bag) is free. Seats are randomly assigned for free prior to boarding.
The personal item size on United is smaller (9 x 10 x 17 inches) than Frontier or Spirit (8 x 13 x 18 inches).
Image Credits: Alan Stark, Creative Commons 2.0
Frontier has round-trip flights from Austin or San Antonio (AUS, SAT) to Denver (DEN) for $48-$68, NONSTOP. Flights April to May. Very few weekends available. Origin/Destination reversible.
Frontier fares do not include a free carry-on bag. Only a small personal item, like a Jansport SuperBreak backpack is free. You can avoid paying for seat selection if you accept the randomly assigned seat prior to boarding.
Frontier seats only have 28-inches of pitch; 2-to-3 inches less space than most other airlines.
Image Credits: Alan Stark, Creative Commons 2.0
United has round-trip flights from Austin or San Antonio (AUS, SAT) to Denver (DEN) for $139-$148, NONSTOP. Flights April to May. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible.
Notes: No Tuesdays available for San Antonio departures.