Cheap flights from Maryland to Portland from $107

The cheapest month to fly to Portland, Maine from Maryland is in July. Flight prices, which tend to average around $145, 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 July, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $177.

On average, the least expensive day to fly to Portland, Maine from Maryland is on a Saturday. momondo users have found tickets for Saturday departures for as low as $316. 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 Maryland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $395.

In the evening is the cheapest time of day to fly from Maryland to Portland, Maine when you can find flight prices for as low as $304. Flying to Portland, Maine in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $401. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Baltimore/Washington to Portland for the best Maryland - Portland flight prices

You are more likely to see cheaper flights to Portland, Maine from Maryland when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $371 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from Maryland for as low as $269 on momondo.

JetBlue, Southwest, and United Airlines are the most popular carriers operating from Maryland to Portland

Southwest, Delta and Spirit Airlines are the top three most popular airlines that fly to Portland, Maine from Maryland according to our data. Southwest is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 6 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

As of May 2026, there are 16 flights per day flying from Maryland to Portland, Maine. The most common time of day flights depart is 10:00AM, with 46% of flights taking off in the afternoon.

As of May 2026, 116 flights take off from Maryland 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.