Cheap flights from Austin to Miami from $89 AUS → MIA
Austin-Bergstrom International Airport (AUS) → Miami International Airport (MIA)
The cheapest return found recently is $190 with American Airlines, 15 Dec – 17 Dec, found 2 days ago. The cheapest one-way found recently is $89 with Frontier Airlines, 12 Dec, found 2 days ago.
- Cheapest one-way found recently
- $89, found 2 days ago
- Cheapest return found recently
- $190, 15 Dec to 17 Dec
- Usual return price
- $240 to $407
- Cheapest month to fly
- December 2026, return fares from $190 found in the last 7 days
Return
The cheapest return fare on each of 7 departure dates is usually $240 to $407.
Cheapest return found recently
$190
15 Dec – 17 Dec · American Airlines
Austin-Bergstrom International Airport (AUS) → Miami International Airport (MIA)
Leaves 5:07 a.m. · Return leaves 7:37 a.m. · 6 h 2 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Cheapest nonstop return
$190
15 Dec – 17 Dec · American Airlines
Austin-Bergstrom International Airport (AUS) → Miami International Airport (MIA)
Leaves 5:07 a.m. · Return leaves 7:37 a.m. · 6 h 2 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$190 15 Dec – 17 Decfound 2 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 46 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $161 to $290.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 7 departure dates from 14 Nov to 8 Feb 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 2-night return fares leaving within 3 days of 15 Dec to compare.
Every date we hold
7 fares on 7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 14 Nov – 16 Nov | $420 | Frontier Airlines | Austin-Bergstrom International Airport (AUS) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 20 Nov – 27 Nov | $353 | Frontier Airlines | Austin-Bergstrom International Airport (AUS) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 15 Dec – 17 Dec | $190 | American Airlines | Austin-Bergstrom International Airport (AUS) → Miami International Airport (MIA) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 24 Dec – 2 Jan 2027 | $394 | Southwest Airlines | Austin-Bergstrom International Airport (AUS) → Miami International Airport (MIA) | out nonstop, back 1 stop | found 4 days ago | See prices for these dates |
| 25 Dec – 3 Jan 2027 | $483 | Frontier Airlines | Austin-Bergstrom International Airport (AUS) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 2 Jan 2027 – 9 Jan 2027 | $281 | Frontier Airlines | Austin-Bergstrom International Airport (AUS) → Miami International Airport (MIA) | out 1 stop, back nonstop | found 4 days ago | See prices for these dates |
| 8 Feb 2027 – 12 Feb 2027 | $199 | Frontier Airlines | Austin-Bergstrom International Airport (AUS) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $190.
Airlines on the cheapest dates: Frontier Airlines, American Airlines, Southwest Airlines.
One-way
The cheapest one-way fare on each of 4 departure dates is usually $89 to $98.
Cheapest one-way found recently
$89
12 Dec · Frontier Airlines
Austin-Bergstrom International Airport (AUS) → Miami International Airport (MIA)
Leaves 11:10 a.m. · 7 h 50 min trip
1 stop
found 2 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$89 12 Decfound 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 47 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $69 to $124.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 4 departure dates from 10 Dec to 14 Dec, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
No. We hold one-way fares on 3 other departure dates within 3 days of 12 Dec, and none is cheaper.
Every date we hold
4 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 10 Dec | $123 | Frontier Airlines | Austin-Bergstrom International Airport (AUS) → Miami International Airport (MIA) | 1 stop | found 4 days ago | Open this trip |
| 12 Dec | $89 | Frontier Airlines | Austin-Bergstrom International Airport (AUS) → Miami International Airport (MIA) | 1 stop | found 2 days ago | Open this trip |
| 13 Dec | $89 | Frontier Airlines | Austin-Bergstrom International Airport (AUS) → Miami International Airport (MIA) | 1 stop | found 2 days ago | Open this trip |
| 14 Dec | $89 | Frontier Airlines | Austin-Bergstrom International Airport (AUS) → Miami International Airport (MIA) | 1 stop | found 3 days ago | Open this trip |
Airlines on the cheapest dates: Frontier Airlines.
Premium cabin fares from Austin to Miami
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 15 Dec – 17 Dec in another cabin: Premium economy · Business · First
Today's prices for 12 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Austin to Miami?
Return
Fares 60 to 89 days before departure were typically 16% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (46 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $269 | $255 | +19% | 16 |
| 7–13 days | $271 | $237 | +20% | 23 |
| 14–29 days | $233 | $189 | +3% | 32 |
| 30–59 days | $281 | $189 | +24% | 31 |
| 60–89 days | $226 | $161 | Cheapest seen | 21 |
| 90–179 days | $282 | $199 | +25% | 11 |
One-way
Fares 60 to 89 days before departure were typically 26% lower than 7 to 13 days before departure.
From the cheapest one-way each day between 24 Sept and 11 Nov (47 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 7–13 days | $123 | $122 | +35% | 8 |
| 14–29 days | $118 | $103 | +30% | 11 |
| 30–59 days | $98 | $81 | +8% | 29 |
| 60–89 days | $91 | $69 | Cheapest seen | 25 |
| 180+ days | $188 | $188 | +107% | 8 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
San Antonio → Miami
118 km from Austin
$379
$189 more than flying from Austin
16 Nov – 30 Nov · SAT → MIA · out 1 stop, back 1 stop
found 2 days ago
Austin → Fort Lauderdale
40 km from Miami
$421
$231 more than flying to Miami
30 Dec – 3 Jan 2027 · AUS → FLL · out 1 stop, back 1 stop
found 2 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Austin → Fort Lauderdale
40 km from Miami
$142
$53 more than flying to Miami
13 Nov · AUS → FLL · nonstop
found 7 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 15 Dec – 17 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Austin to Miami?
The cheapest return found recently is $190 with American Airlines, 15 Dec to 17 Dec, found 2 days ago. The cheapest return fare on each of 7 departure dates is usually $240 to $407.
How much is a one-way flight from Austin to Miami?
The cheapest one-way found recently is $89 with Frontier Airlines, 12 Dec, found 2 days ago. The cheapest one-way fare on each of 4 departure dates is usually $89 to $98.
What is the cheapest month to fly from Austin to Miami?
December 2026 is the cheapest month for a return, from $190, 15 Dec to 17 Dec, found 2 days ago.
How far ahead should I book a flight from Austin to Miami?
In 46 days of prices between 24 Sept and 11 Nov, return fares 60 to 89 days before departure were typically 16% lower than 0 to 6 days before departure. In 47 days of prices between 24 Sept and 11 Nov, one-way fares 60 to 89 days before departure were typically 26% lower than 7 to 13 days before departure.
Is there a direct flight from Austin to Miami?
Yes, the cheapest nonstop return found recently is $190 with American Airlines, 15 Dec to 17 Dec, found 2 days ago.
How long is the flight from Austin to Miami?
The cheapest one-way found recently, with Frontier Airlines on 12 Dec, takes 7 h 50 min with 1 stop.
Which airlines have the cheapest flights from Austin to Miami?
Between 14 Nov and 8 Feb 2027, Frontier Airlines has the cheapest return on 5 of the 7 departure dates we hold, American Airlines on 1 and Southwest Airlines on 1. Between 10 Dec and 14 Dec, Frontier Airlines has the cheapest one-way on all 4 departure dates we hold.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work