Cheap flights from Baltimore to Portland from $101

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 $442. 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 $557.

The cheapest time of day to fly to Portland is in the evening when flights can be purchased for as low as $376. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $487 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 $398 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 $359 on momondo.

There are 3 cabin classes available to choose from on Baltimore/Washington to Portland 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 Baltimore to Portland.

As of March 2026, prices for Baltimore to Portland flights are approximately 11% more expensive when compared to flights at the same time last year.

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

United Airlines, Alaska Airlines and Southwest 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 46% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 9 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

Las Vegas (LAS) was the most common stop: 57% of momondo users choosing 1-stop flights on this route connected there.

Flights via Las Vegas (LAS) offer the lowest average round-trip price of $402.

Flights connecting via Seattle (SEA) have the shortest average one-way travel time: 8h 08m.

Seattle (SEA) has the shortest average layover time for this route: 1h 10m.