Frontier's UpFront Plus guarantees an empty middle seat for extra comfort.
Frontier's Discount Den offers Kids Fly Free, saving on family travel costs.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $52 (CheapOair) |
One-way from | $29 (Expedia) |
Popular in | April |
Cheapest in | October |
Average price | $158 |
Good round-trip deal | $98 or less |
Good one-way deal | $85 or less |
Fly from
Fly to
Route
Depart
Return
Price
MiamiAtlanta
MIA - ATL
MIAATL
Miami
Thu 2/19
5:05 am-7:19 am
Nonstop2h 14m
Atlanta Hartsfield-Jackson
Tue 2/24
9:13 am-11:20 am
Nonstop2h 07m
MiamiAtlanta
MIA - ATL
MIAATL
Miami
Thu 2/19
7:14 pm-9:50 pm
Nonstop2h 36m
Atlanta Hartsfield-Jackson
Wed 2/25
3:48 pm-5:49 pm
Nonstop2h 01m
MiamiAtlanta
MIA - ATL
MIAATL
Miami
Tue 1/13
5:15 am-7:29 am
Nonstop2h 14m
Atlanta Hartsfield-Jackson
Tue 1/13
3:50 pm-5:51 pm
Nonstop2h 01m
MiamiAtlanta
MIA - ATL
MIAATL
Miami
Mon 1/5
9:59 pm-11:59 pm
Nonstop2h 00m
Atlanta Hartsfield-Jackson
Mon 1/12
9:57 am-11:56 am
Nonstop1h 59m
MiamiAtlanta
MIA - ATL
MIAATL
Miami
Wed 1/7
5:07 pm-7:30 pm
Nonstop2h 23m
Atlanta Hartsfield-Jackson
Thu 1/8
9:57 am-11:56 am
Nonstop1h 59m
MiamiAtlanta
MIA - ATL
MIAATL
Miami
Sat 1/17
8:51 pm-8:01 am
1 stop11h 10m
Atlanta Hartsfield-Jackson
Tue 1/20
9:57 am-11:56 am
Nonstop1h 59m
MiamiAtlanta
MIA - ATL
MIAATL
Miami
Wed 2/18
5:05 am-7:19 am
Nonstop2h 14m
Atlanta Hartsfield-Jackson
Fri 2/20
10:45 pm-12:42 am
Nonstop1h 57m
MiamiAtlanta
MIA - ATL
MIAATL
Miami
Fri 2/20
5:05 am-7:19 am
Nonstop2h 14m
Atlanta Hartsfield-Jackson
Fri 2/20
10:45 pm-12:42 am
Nonstop1h 57m
MiamiAtlanta
MIA - ATL
MIAATL
Miami
Wed 2/18
8:15 am-9:15 pm
1 stop13h 00m
Atlanta Hartsfield-Jackson
Mon 2/23
10:45 pm-12:42 am
Nonstop1h 57m
MiamiAtlanta
MIA - ATL
MIAATL
Miami
Mon 2/23
11:35 am-6:55 pm
1 stop7h 20m
Atlanta Hartsfield-Jackson
Mon 2/23
10:45 pm-12:42 am
Nonstop1h 57m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
The best time to book flights from Miami to Atlanta is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, February is the cheapest month in which you can book a flight from Miami to Atlanta (average of $45). Flying from Miami to Atlanta in June is currently the most expensive (average of $79). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
One of the essential ways to save on airfare from Miami to Atlanta is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 50% on airfare.
Travelers seeking maximum savings on their Miami to Atlanta flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 19% of weekly flights between Miami and Atlanta have experienced delays in the past year, with the average delay time being 137 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Frontier have had the lowest number of delays on this route, with just 12% of flights being delayed.
Entertainment
Food
Crew
Boarding
Comfort
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Food
Crew
Boarding
Comfort
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Food
Crew
Boarding
Comfort
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Food
Crew
Boarding
Comfort
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Food
Crew
Boarding
Comfort
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Food
Crew
Boarding
Comfort
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
The airport in Atlanta, Hartsfield-Jackson Atlanta International Airport is the busiest airport in the world in terms of the traffic of travelers. It’s about seven miles away from the downtown area of Atlanta. There are 192 gates in the airport, of which 152 of them are used to serve domestic flights like this one. Though the airport serves many international flights also, it’s main focus is domestic flights within the United States. It handles more than one million flights every year and the majority of those are domestic.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$48 | Average$107 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$57 | Average$122 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$136 | Average$246 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$147 | Average$239 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$168 | Average$300 | FlexibilityNo cancel fee | On-time63% |