Frontier has round-trip flights from Austin (AUS) to Orlando, Chicago, Philadelphia, or San Diego (MCO, ORD, PHL, SAN) for $51-$72, NONSTOP. $26-$36 each-way. Flights October to December. Very few weekends available. Origin/Destination reversible. No Christmas dates available.
Category: <span>Frontier</span>
Image Credits: yeowatzup, Creative Commons 2.0
Image Credits: Nrbelex, Creative Commons 2.0
Frontier has round-trip flights from Austin (AUS) to Atlanta or Miami (ATL, MIA) for $38-$48, NONSTOP. Flights September to November. Weekends available. Origin/Destination reversible. No Thanksgiving dates.
Image Credits: Daniel Schwen, Creative Commons 4.0
Frontier has round-trip flights from Austin (AUS) to Chicago, Cleveland, San Diego, or Phoenix (ORD, CLE, SAN, PHX) for $77-$95, NONSTOP. Flights in September. Limited departure dates.
Free Checked Bag Coupon: Use code “FREEBAG”. *Buy by 8/21/25. Fly between 9/5/25 – 1/5/2026. Limit one free Checked Bag per person, per direction, weight limit applies.
When booking, Select “Basic Fare”, Don’t purchase any add-ons, Don’t select any bundle, Avoid seat fee by accepting the random seat, Don’t pay for a carry-on. Use Frontier’s Mobile app to avoid airport agent fees. Then under “Checked Bags” select “1x 40lb Checked Bag – $0” (see image)
Before you enter in your credit card information: Double check that is says “$0.00 Checked Bag” for both your departing and return flights (see image). If it says “You have not purchased bags. Add now!” click it to re-add bags, and RE-ENTER the “FREEBAG” coupon code on the same page that you enter in your payment details.
This coupon also works on other destinations.
Image Credits: yeowatzup, Creative Commons 2.0
Frontier has round-trip flights from Austin (AUS) to Atlanta, Phoenix, or Orlando (ATL, PHX, MCO) for $60-$85, NONSTOP. Flights August to November. Weekends available. No Thanksgiving dates.
Frontier deals tend to be limited in total availability and will usually sell out faster than the types of deals we usually mention.
San Antonio is also a valid departure for the Atlanta deal.
Image Credits: Alan Stark, Creative Commons 2.0
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.
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.
Frontier has round-trip flights from San Antonio (SAT) to Las Vegas (LAS) for $38, NONSTOP. Flights April, May, August, and September. 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 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.
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
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.
[08/09/2022 @ 10:58 AM CT] Price increased to $47-$58, was $47-$52. Spirit matches. Updated: We’ve removed results for the OTA Crystal Travel. We don’t recommend booking there despite them advertising the $35 price. Use larger established OTAs or the Airline’s own website.
Frontier and Spirit have round-trip flights from Austin (AUS) to Las Vegas (LAS) for $47-$58, NONSTOP. Flights August to September. Extended weekends available. Origin/Destination reversible.
Some small OTAs on Skyscanner have this for cheaper than the airline ($35). If you plan on booking there, beware of any site that charges a fee to cancel a ticket within the 24-hour “free” period. Use unknown booking sites at your own risk.
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.