Cheap flights from Washington, D.C. to Oregon from $168

The month of February is, on average, the cheapest month to fly to Oregon from Washington, D.C., with most prices found around $383. The month of January is another great option to travel to Oregon, with average flight prices from Washington, D.C. averaging around $395.

On average, the least expensive day to fly to Oregon from Washington, D.C. is on a Saturday. momondo users have found tickets for Saturday departures for as low as $478. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Oregon is Sunday, with ticket prices averaging around $630.

According to our data, the cheapest time of day to fly to Oregon is in the evening. momondo users have found flights departing from Washington, D.C. to Oregon in the evening for as low as $397. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Oregon are more costly in the afternoon, with an average ticket price of $552. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Washington, D.C. Reagan-National to Portland for the best Washington, D.C. - Oregon flight prices

You are more likely to see cheaper flights to Oregon from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Oregon for around $508 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oregon from Washington, D.C. for as low as $401 on momondo.

There are 4 cabin classes available to choose from on Washington, D.C. to Oregon flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, Southwest, and United Airlines are the most popular carriers operating from Washington, D.C. to Oregon

United Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to Oregon from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Oregon. Keep in mind that there are 5 different airlines that fly to Oregon on a routine basis, so you have a few additional options to choose from.

3 flights are operational daily from Washington, D.C. to Oregon as of November 2026. The most popular departure time for this route is 5:00PM, with 100% of flights per day taking off in the afternoon.

The number of flights available between Washington, D.C. and Oregon is 23 per week as of November 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.