Cheap flights from Oregon to District of Columbia from $118

In general, September is the cheapest month to fly from Oregon to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $113. If you don’t want to visit District of Columbia in September, then you should wait until July to fly from Oregon, when ticket prices are also cheap, with an average price of $116.

The cheapest day to depart on your flight to District of Columbia is on a Thursday when prices can be found for as low as $493. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Oregon because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $656.

Flying to District of Columbia from Oregon in the evening is the least expensive time of day to depart. momondo users have found prices as low as $541 when looking at flights departing in the evening. Flights to District of Columbia are more costly in the morning, with an average ticket price of $553. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Portland to Baltimore/Washington for the best Oregon - District of Columbia flight prices

You are more likely to see cheaper flights to District of Columbia from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $440 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Oregon for as low as $328 on momondo.

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

Frontier, United Airlines, and Delta are the most popular carriers operating from Oregon to District of Columbia

United Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to District of Columbia from Oregon according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 7 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

The number of flights available between Oregon and District of Columbia is 2 per day as of July 2026. The most frequent departure time is 7:00AM, with 53% of daily flights leaving at noon.

The number of flights available between Oregon and District of Columbia is 16 per week as of July 2026. The most frequent departure day is Mon, with 25% of weekly flights leaving on this day.