Cheap flights from Atlanta to Miami from £45

In general, January is the cheapest month to fly from Atlanta to Miami. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £107. The month of March is another great option to travel to Miami, with average flight prices from Atlanta averaging around £108.

The cheapest day to depart from Atlanta to Miami is on a Sunday when prices can be found for as low as £109. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Atlanta to Miami for around £579.

Our data shows that the cheapest Atlanta to Miami flights are usually those with departure times in the evening. Our users have found flights to Miami in the evening for as low as £149. In contrast, the most expensive time of day to depart to Miami is in the afternoon when prices are around £449.

Fly from Atlanta Hartsfield-Jackson to Miami for the best Atlanta Hartsfield-Jackson - Miami flight prices

You are more likely to see cheaper flights to Miami from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to Miami for around £142 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Miami from Atlanta for as low as £116 on momondo.

There are 3 cabin classes available to choose from on Atlanta to Miami flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 18% of flights between Atlanta and Miami have experienced a delay on any given week. The average delay length over the past 12 months has been 131 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

As of October 2026, there are 27 flights per day flying from Atlanta to Miami. The most common time of day flights depart is 22:00, with 37% of flights taking off at midday.

The number of flights available between Atlanta and Miami is 191 per week as of October 2026. The most frequent departure day is Thu, with 34% of weekly flights leaving on this day.