Cheap flights from Baltimore to Portland from $122

The cheapest month to fly to Portland from Baltimore is in January. Flight prices, which tend to average around $336, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in January, then you should wait until February to fly from Baltimore, when ticket prices are also cheap, with an average price of $346.

The cheapest day to depart on your flight to Portland is on a Tuesday when prices can be found for as low as $459. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $615.

The cheapest time of day to fly to Portland is in the evening when flights can be purchased for as low as $397. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $514 per ticket.

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

You are more likely to see cheaper flights to Portland from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $404 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Baltimore for as low as $341 on momondo.

There are 4 cabin classes available to choose from on Baltimore 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 4% on your flight if you consider stops on a Baltimore to Portland flight.

As of August 2026, prices for Baltimore to Portland flights are approximately 116% more expensive when compared to flights at the same time last year.

United Airlines, Delta, and Southwest are the most popular carriers operating from Baltimore/Washington to Portland

United Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to Portland from Baltimore according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 6 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

Phoenix (PHX) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Chicago (MDW) offer the lowest average round-trip price of $343.

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 8h 30m.

Phoenix (PHX) has the shortest average layover time for this route: 1h 08m.