Cheap flights from District of Columbia to Portland from $144

The cheapest month to fly to Portland from District of Columbia is in January. Flight prices, which tend to average around $373, 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 September to fly from District of Columbia, when ticket prices are also cheap, with an average price of $377.

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 District of Columbia - Portland flight prices

You are more likely to see cheaper flights to Portland from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $470 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from District of Columbia for as low as $398 on momondo.

There are 4 cabin classes available to choose from on District of Columbia to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, Southwest, and Alaska Airlines are the most popular carriers operating from District of Columbia to Portland

United Airlines, Alaska Airlines and Southwest are the top three most popular airlines that fly to Portland from District of Columbia 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.

1 flights are operational daily from District of Columbia to Portland as of March 2026. The most popular departure time for this route is 5:00PM, with 75% of flights per day taking off in the afternoon.

8 flights are operational weekly from District of Columbia to Portland as of March 2026. The most popular departure day for this route is Mon, with 25% of flights per week taking off on this day.