Cheap flights from Atlanta to Portland from $113

The cheapest month to fly to Portland, Maine from Atlanta is in January. Flight prices, which tend to average around $424, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $439.

On average, the least expensive day to fly to Portland, Maine from Atlanta is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $439. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Atlanta because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $584.

At noon is the cheapest time of day to fly from Atlanta to Portland, Maine when you can find flight prices for as low as $479. Flying to Portland, Maine at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $526. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Portland, Maine from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $492 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from Atlanta for as low as $392 on momondo.

There is only 1 cabin class available to choose from on Atlanta Hartsfield-Jackson to Portland 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 12% on your flight if you consider stops on a Atlanta to Portland, Maine flight.

As of March 2026, prices for Atlanta to Portland, Maine flights are approximately 198% more expensive when compared to flights at the same time last year.

Delta, Southwest, and United Airlines are the most popular carriers operating from Atlanta Hartsfield-Jackson to Portland

Delta, JetBlue and Frontier are the top three most popular airlines that fly to Portland, Maine from Atlanta according to our data. Delta is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 7 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

5 flights are operational daily from Atlanta to Portland, Maine as of March 2026. The most popular departure time for this route is 8:00PM, with 100% of flights per day taking off in the evening.

40 flights are operational weekly from Atlanta to Portland, Maine as of March 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.