Cheap flights from Oregon to Washington, D.C. from $172

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Oregon, with most prices found around $387. If you’re not able to fly to Washington, D.C. in February, then January is your next best option. Flight prices from Oregon to Washington, D.C. during January average around $442.

On average, the least expensive day to fly to Washington, D.C. from Oregon is on a Thursday. momondo users have found tickets for Thursday departures for as low as $543. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Oregon to Washington, D.C. for around $694.

In the evening is the cheapest time of day to fly from Oregon to Washington, D.C. when you can find flight prices for as low as $547. Flying to Washington, D.C. in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $592. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Washington, D.C. from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $494 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Oregon for as low as $328 on momondo.

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

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

Alaska Airlines, United Airlines and Delta are the top three most popular airlines that fly to Washington, D.C. from Oregon according to our data. Alaska Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

2 flights are operational daily from Oregon to Washington, D.C. as of November 2026. The most popular departure time for this route is 8:00AM, with 100% of flights per day taking off at noon.

As of November 2026, there are 20 flights per week flying from Oregon to Washington, D.C.. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.