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.
Category: <span>Denver</span>
Image Credits: Alan Stark, Creative Commons 2.0
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.
Image Credits: Alan Stark, Creative Commons 2.0
United has round-trip flights from San Antonio (SAT) to Denver (DEN) for $131-$141, NONSTOP. Flights February to May. No Weekends. Departures on Monday, Tuesday, Wednesday, and Thursday. Origin/Destination reversible.
Southwest has competitive fares if you add the “SAVENOW” coupon-code. Keep in mind that while the coupon code at Southwest says 50% off, the base fares are about 50% higher than these. So once you do the math the Southwest fares are more expensive. You do get better bag allowance however.
Image Credits: Daniel Schwen, Creative Commons 4.0
United has round-trip flights from Austin (AUS) to Denver or Chicago (DEN, ORD) for $120, NONSTOP. Flights October to March. Weekends available. Origin/Destination reversible.
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.
These fares are due to United matching the Southwest 50% off sale, that we mentioned a few days ago. That sale ends today, so this sale will probably also end today.
Frontier has round-trip flights from Austin or San Antonio (AUS, SAT) to Denver, Las Vegas, Atlanta, or Orlando (DEN, LAS, ATL, MCO) for $38, NONSTOP. Flights September to November. Departures on Monday, Tuesday, Wednesday, Thursday, and Saturday. Extended weekends available. Origin/Destination reversible. No Thanksgiving dates.
Cheapest flights for Atlanta and Orlando are via San Antonio.
Image Credits: Alan Stark, Creative Commons 2.0
United and American Airlines have round-trip flights from Austin (AUS) to Denver (DEN) for $177, NONSTOP or with connections. Flights June to November. Weekends available. Origin/Destination reversible. No Thanksgiving dates.
Image Credits: Alan Stark, Creative Commons 2.0
Frontier has round-trip flights from Austin (AUS) to Denver (DEN) for $38, NONSTOP. Flights January to March. Departures on Wednesday and Saturday. Origin/Destination reversible.
Image Credits: Alan Stark, Creative Commons 2.0
American Airlines and United have round-trip flights from Austin (AUS) to Denver (DEN) for $90-$99, NONSTOP. Flights November to March. Very few extended weekends available. Origin/Destination reversible. Holiday blackouts.