Miami to Denver MIA → DEN
Miami International Airport (MIA) → Denver International Airport (DEN)
The cheapest return found recently is $274 with Frontier Airlines, 24 Oct – 27 Oct, found yesterday. The cheapest one-way found recently is $128 with Frontier Airlines, 23 Dec, found 3 days ago.
Return
The cheapest return fare on each of 4 departure dates is usually $253 to $301.
Cheapest return found recently
$274
24 Oct – 27 Oct · Frontier Airlines
Miami International Airport (MIA) → Denver International Airport (DEN)
Leaves 5:50 a.m. · Return leaves 6:56 p.m. · 8 h 16 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Cheapest nonstop return
$274
24 Oct – 27 Oct · Frontier Airlines
Miami International Airport (MIA) → Denver International Airport (DEN)
Leaves 5:50 a.m. · Return leaves 6:56 p.m. · 8 h 16 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Found recently, and the cheapest we hold
$274 24 Oct – 27 Octfound yesterdaySee prices for these dates
$190 19 Nov – 22 Novfound 3 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $174 to $588.
25 days is a short history, so treat this range as an early guide.
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 4 departure dates from 24 Oct to 23 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?
We hold no other 3-night return fares leaving within 3 days of 24 Oct to compare.
Every date we hold
4 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 24 Oct – 27 Oct | $274 | Frontier Airlines | Miami International Airport (MIA) → Denver International Airport (DEN) | out nonstop, back nonstop | found yesterday | See prices for these dates |
| 19 Nov – 22 Nov | $190 | Frontier Airlines | Miami International Airport (MIA) → Denver International Airport (DEN) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 22 Nov – 27 Nov | $278 | Frontier Airlines | Miami International Airport (MIA) → Denver International Airport (DEN) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
| 23 Dec – 26 Dec | $371 | Frontier Airlines | Miami International Airport (MIA) → Denver International Airport (DEN) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $190.
Airlines on the cheapest dates: Frontier Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$128
23 Dec · Frontier Airlines
Miami International Airport (MIA) → Denver International Airport (DEN)
Leaves 7:47 p.m. · 5 h trip
nonstop
found 3 days ago
Cheapest nonstop one-way
$128
23 Dec · Frontier Airlines
Miami International Airport (MIA) → Denver International Airport (DEN)
Leaves 7:47 p.m. · 5 h trip
nonstop
found 3 days ago
Found recently, and the cheapest we hold
$128 23 Decfound 3 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 12 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $84 to $128.
At $128, the cheapest one-way found recently is at the high end of that range.
12 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 23 Dec to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Dec | $128 | Frontier Airlines | Miami International Airport (MIA) → Denver International Airport (DEN) | nonstop | found 3 days ago | Open this trip |
Airlines on the cheapest dates: Frontier Airlines.
Premium cabin fares from Miami to Denver
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 24 Oct – 27 Oct in another cabin: Premium economy · Business · First
Today's prices for 23 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Miami to Denver?
Return
The cheapest fares were 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 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 | $199 | $199 | Cheapest seen | 7 |
| 30–59 days | $370 | $190 | +86% | 11 |
| 60–89 days | $347 | $347 | +74% | 15 |
| 90–179 days | $225 | $225 | +13% | 11 |
One-way
Not enough history yet: in 12 days of one-way prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Fort Lauderdale → Denver
40 km from Miami
$304
$30 more than flying from Miami
19 Nov – 22 Nov · FLL → DEN · out 1 stop, back 1 stop
found 3 days ago
Miami → Vail
119 km from Denver
$735
$461 more than flying to Denver
20 Mar 2027 – 23 Mar 2027 · MIA → EGE · out 1 stop, back nonstop
found 4 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 24 Oct – 27 Oct. A live search on this page shows what those dates cost now, for one adult in economy.
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