Cheap flights from the United States to Portland from $99

The cheapest month to fly to Portland, Maine from United States is in January. Flight prices, which tend to average around $331, 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 November is also cheap. Prices for this month can be found on momondo for an average of $385.

On average, the least expensive day to fly to Portland, Maine from United States is on a Sunday. momondo users have found tickets for Sunday departures for as low as $266. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from United States because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $318.

In the evening is the cheapest time of day to fly from United States to Portland, Maine when you can find flight prices for as low as $246. Flying to Portland, Maine in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $333. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from New York John F Kennedy Intl to Portland for the best United States - Portland flight prices

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

No. A direct flight is the cheapest option for a flight between United States to Portland, Maine.

Sun Country Air, United Airlines, and Delta are the most popular carriers operating from United States to Portland

JetBlue, Delta and American Airlines are the top three most popular airlines that fly to Portland, Maine from United States according to our data. JetBlue is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 13 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between United States and Portland have experienced a delay on any given week. The average delay length over the past 12 months has been 134 minutes.

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

Saturday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

As of September 2026, there are 62 flights per day flying from United States to Portland, Maine. The most common time of day flights depart is 10:00PM, with 50% of flights taking off in the evening.

As of September 2026, 440 flights take off from United States and land in Portland, Maine each week. The most common flight departure day for this route is Thu, with 17% of weekly flights taking off on this day.