F9 AUS-DEN under $150 fare snapshot

FareGlide found 2 cached F9 fare samples on AUS to DEN under $150. 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
$150
Cached low
$52
Under-ceiling samples
2
Stop mix
2 nonstop

Cached F9 fare dates under $150

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.

Jul 31, 2026 $52 Nonstop
Jul 28, 2026 $56 Nonstop

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 $150

Keep route, carrier, and the $150 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 $150

The cheapest cached fare sits $98 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 $150 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 $150 as realistic.

Connected route carrier research

All F9 cached fares on AUS-DEN 2 samples / $52 to $56 Main AUS to DEN route guide Route timing, airport, budget, and stop context All routes under $150 Budget-wide route watchlist

Other F9 budget cuts on this route

Under $100 $100 ceiling / 2 cached fares / from $52 / Nonstop / 2 nonstop

F9 AUS-DEN under $150 questions

Are F9 AUS to DEN fares under $150 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 $150?

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 $150 ceiling as achievable.