Cheap flights from Washington, D.C. Reagan-National Airport to Portland from $144

The cheapest month to fly to Portland, Maine from Washington, D.C. Reagan-National Airport is in January. Flight prices, which tend to average around $249, 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 February is also cheap. Prices for this month can be found on momondo for an average of $275.

On average, the least expensive day to fly to Portland, Maine from Washington, D.C. Reagan-National Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $346. 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 Washington, D.C. Reagan-National Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $408.

In the evening is the cheapest time of day to fly from Washington, D.C. Reagan-National Airport to Portland, Maine when you can find flight prices for as low as $337. 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 $419. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Washington, D.C. Reagan-National to Portland for the best Washington, D.C. Reagan-National - Portland flight prices

You are more likely to see cheaper flights to Portland, Maine from Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National Airport for as low as $274 on momondo.

There are 3 cabin classes available to choose from on Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National Airport to Portland, Maine.

As of September 2026, prices for Washington, D.C. Reagan-National Airport to Portland, Maine flights are approximately 39% more expensive when compared to flights at the same time last year.

Delta and American Airlines are the most popular carriers operating from Washington, D.C. Reagan-National to Portland

JetBlue, American Airlines and Delta are the top three most popular airlines that fly to Portland, Maine from Washington, D.C. Reagan-National Airport according to our data. JetBlue 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 4 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

3 flights are operational daily from Washington, D.C. Reagan-National Airport to Portland, Maine as of September 2026. The most popular departure time for this route is 10:00PM, with 50% of flights per day taking off in the evening.

As of September 2026, 22 flights take off from Washington, D.C. Reagan-National Airport and land in Portland, Maine each week. The most common flight departure day for this route is Sat, with 23% of weekly flights taking off on this day.