Cheap flights from Portland, Maine to Washington, D.C. from $139

If you’re not able to fly to Baltimore in April, then January is your next best option. Flight prices from Portland, Maine to Baltimore during January average around $339.

The cheapest day to depart from Portland, Maine to Baltimore is on a Tuesday. Travelers who choose to depart for Baltimore on a Tuesday will often find tickets for as low as $447. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $529. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

Flying to Baltimore from Portland, Maine in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $466 when looking at flights departing in the afternoon. Flights at noon are often more expensive with an average ticket price of $480.

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

You are more likely to see cheaper flights to Baltimore from Portland, Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around $415 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from Portland, Maine for as low as $310 on momondo.

There is only 1 cabin class available to choose from on Portland, Maine to Baltimore flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest is the most popular carrier operating from Portland to Baltimore/Washington

JetBlue, American Airlines and United Airlines are the top three most popular airlines that fly to Baltimore from Portland, Maine according to our data. JetBlue is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 6 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.

As of November 2026, there are 1 flights per day flying from Portland, Maine to Baltimore. The most common time of day flights depart is 5:00AM, with 43% of flights taking off at noon.

As of November 2026, there are 13 flights per week flying from Portland, Maine to Baltimore. The most common day of the week flights depart is Mon, with 31% of flights taking off on this day.