Cheap flights from Portland, Maine to Atlanta from $110

The month of August is, on average, the cheapest month to fly to Atlanta from Portland, Maine, with most prices found around $439. If you aren’t able to travel to Atlanta during the month of August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $519.

Our data shows that Wednesday is the least expensive day to fly to Atlanta. Tickets to fly out on this day can be as low as $452. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Atlanta on Sunday is $578.

The cheapest time of day to fly to Atlanta is in the afternoon when flights can be purchased for as low as $417. Flights to Atlanta are more costly at noon, with an average ticket price of $510. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Atlanta from Portland, Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Atlanta for around $559 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Atlanta from Portland, Maine for as low as $252 on momondo.

There are 4 cabin classes available to choose from on Portland, Maine to Atlanta flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 49% on your flight if you consider stops on a Portland, Maine to Atlanta flight.

As of October 2026, prices for Portland, Maine to Atlanta flights are approximately 146% more expensive when compared to flights at the same time last year.

Southwest is the most popular carrier operating from Portland to Atlanta Hartsfield-Jackson

Frontier, Delta and JetBlue are the top three most popular airlines that fly to Atlanta from Portland, Maine according to our data. Frontier is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Atlanta. Keep in mind that there are 6 different airlines that fly to Atlanta on a routine basis, so you have a few additional options to choose from.

As of October 2026, there are 3 flights per day flying from Portland, Maine to Atlanta. The most common time of day flights depart is 6:00AM, with 66% of flights taking off at noon.

The number of flights available between Portland, Maine and Atlanta is 24 per week as of October 2026. The most frequent departure day is Fri, with 50% of weekly flights leaving on this day.