F9 AUS-DEN under $100 fare snapshot
FareGlide found 2 cached F9 fare samples on AUS to DEN under $100. The lowest cached carrier-budget row is $52 on Jul 31, 2026. This is route-airline-budget research context, not live inventory.
- Route
- AUS to DEN
- Airline
- Frontier Airlines (F9)
- Budget ceiling
- $100
- Cached low
- $52
- Under-ceiling samples
- 2
- Stop mix
- 2 nonstop
Cached F9 fare dates under $100
Use these rows to pick a first date to test after opening current partner results. Then compare nearby dates, fare rules, baggage, and seat costs before trusting the budget ceiling.
Route-airline-budget recheck plan
This plan keeps route, carrier, and budget fixed first, then decides whether date, stop filter, or live carrier availability should move.
Route-airline-budget lock
F9 AUS-DEN under $100
Keep route, carrier, and the $100 ceiling fixed before changing dates or stop filters.
First cached fare
Jul 31, 2026 from $52
Start with this cached date in partner results, then compare adjacent weekdays before widening the budget.
Under-ceiling depth
2 cached fares under $100
The cheapest cached fare sits $48 below the ceiling, leaving some room for live movement.
Stop filter
2 nonstop samples
Compare airline and nonstop filters together because a cheap carrier signal can disappear on direct flights.
Carrier-budget decision brief
Budget-carrier move
F9 after route context
Start with the route guide, then apply Frontier Airlines and the $100 budget expectation inside current results.
Carrier budget evidence
2 under-ceiling samples
This is narrower than the full carrier-route page, which has 2 cached samples across all sampled fares.
Main route-airline-budget risk
Nonstop fare can shift
A cached nonstop carrier row is useful, but current daily availability can move quickly.
Best comparison follow-up
$52 to $56
Compare this budget slice against the full F9 route page before treating $100 as realistic.
Connected route carrier research
Other F9 budget cuts on this route
F9 AUS-DEN under $100 questions
Are F9 AUS to DEN fares under $100 live?
No. FareGlide uses cached fare observations to build this carrier-budget shortlist. Confirm current schedules, inventory, baggage, seat, and booking rules with the partner provider.
Which cached F9 fare looked cheapest under $100?
Jul 31, 2026 had the lowest cached carrier-budget sample at $52.
How should I use this route-airline-budget page?
Start with the cheapest cached date, then compare nearby weekdays, stop count, airline availability, and total checkout cost before treating the $100 ceiling as achievable.