Cheap flights from Portland to Washington, D.C. from $108

If you’re not able to fly to Baltimore in January, then September is your next best option. Flight prices from Portland to Baltimore during September average around $358.

The cheapest day to depart from Portland to Baltimore is on a Wednesday. Travelers who choose to depart for Baltimore on a Wednesday will often find tickets for as low as $395. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $555. 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 in the morning is the least expensive time of day to depart. momondo users have found prices as low as $454 when looking at flights departing in the morning. Flights in the evening are often more expensive with an average ticket price of $467.

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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around $420 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from Portland for as low as $209 on momondo.

There are 4 cabin classes available to choose from on Portland to Baltimore 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 Portland to Baltimore.

As of October 2026, prices for Portland to Baltimore flights are approximately 4% more expensive when compared to flights at the same time last year.

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

Alaska Airlines, United Airlines and Delta are the top three most popular airlines that fly to Baltimore from Portland according to our data. Alaska Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 5 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.

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

Flights via Detroit (DTW) offer the lowest average round-trip price of $327.

Flights connecting via Chicago (MDW) have the shortest average one-way travel time: 6h 25m.

Chicago (MDW) has the shortest average layover time for this route: 0h 53m.