Your next trip, last seen at €40
Lowest observedWhen to fly
Explore datesMore dates worth a look
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €40, departing 12 Jan 2027 (Last checked: 27 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 12Check live prices for this route
- Airlines seen
- Frontier Airlines, United Airlines, Southwest Airlines, Delta Air Lines
- Reported fastest flight
- 2h 24m
- Non-stop
- Yes
About this route
Explore the fares we observed from Austin to Denver. Prices move often, so pick your dates to see the latest options.
- Route distance
- 1,242 km
- Reported fastest flight
- 2h 24m
- Alternative airports
- APA
Route-level information; individual journeys vary.
Published schedules report non-stop service with Frontier Airlines, United Airlines, Southwest Airlines. Check current timetables.
A clearer picture of your fare
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days | Fastest non-stop |
|---|---|---|
| Frontier Airlines | 3 / 12 | |
| Southwest Airlines | 3 / 12 | |
| United Airlines | 3 / 12 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- Austin Bergstrom International Airport (AUS) → Austin, city gazetteer reference point (30.2672, -97.7431): ≈ 11 km.
- Denver International Airport (DEN) → Denver, city gazetteer reference point (39.7392, -104.9847): ≈ 30 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
| Month | Lowest fare | Priced days |
|---|---|---|
| October 2026 | €119 | 3 |
| November 2026 | €56 | 6 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Austin to Denver by days until departure (61 days or more): €40 (checked 27 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €119 | 3 |
| 8 to 30 days | €56 | 6 |
| 61 days or more | €40 | 3 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Austin to Denver: Southwest Airlines, from €66 (checked 27 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Southwest Airlines | €66Nov 25, 2026 | 3 |
| United Airlines | €66Nov 25, 2026 | 3 |
| Frontier Airlines | €67Feb 8, 2027 | 3 |
| Delta Air Lines | €80Feb 8, 2027 | 3 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Austin to Denver?
The lowest fare Routavio has observed is €40, found on 27 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Austin to Denver?
In our observations January 2027 is the cheapest month so far, at €40.
Are there direct flights from Austin to Denver?
Yes. Published schedules report non-stop flights on this route with Frontier Airlines, United Airlines, Southwest Airlines.
Which airlines fly from Austin to Denver?
Routavio has seen these carriers on the route: Frontier Airlines, United Airlines, Southwest Airlines, Delta Air Lines.
How many of the observed Austin to Denver fares were non-stop?
9 of the 12 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
Which airlines had non-stop offers on at least 3 departure dates from Austin to Denver?
For Austin to Denver, examples of observed one-way non-stop offers checked within the last 14 days: Frontier Airlines (3), Southwest Airlines (3), United Airlines (3). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which airline has the lowest fare from Austin to Denver?
Cheapest airline from Austin to Denver: Southwest Airlines, from €66 (checked 27 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 27 Oct 2026