$161 Find Cheap Flights from Portland to Washington Dulles Airport - Compare and Save

Among airlines operating Portland to Washington, D.C. Dulles Intl Airport flights:

• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only United Airlines operates flights between Portland and Washington, D.C. Dulles Intl Airport.

Flights from Portland to Washington, D.C. Dulles Intl Airport usually depart from Portland (PDX) and arrive at Washington, D.C. Dulles Intl (IAD).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• Alaska Airlines: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Portland to Washington, D.C. Dulles Intl Airport:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $324 round-trip via Salt Lake City (SLC), compared to $471 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737 MAX 9 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

One-stop flights from Portland to Washington, D.C. Dulles Intl Airport most commonly connect through:

• Seattle/Tacoma Intl (SEA) - 33% of one-stop connections
• Denver Intl (DEN) - 23% of one-stop connections
• Chicago O'Hare Intl (ORD) - 12% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 8% of one-stop connections

Seattle/Tacoma Intl (SEA) handles the largest share of one-stop connections on this route.

On the Portland to Washington, D.C. Dulles Intl Airport route, being flexible with your departure day can save you up to 29%. Saturday is the cheapest day at $395 round-trip on average, while Monday is the most expensive at $556: a $161 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Morning is the busiest departure period on Portland to Washington, D.C. Dulles Intl Airport flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

These are the earliest and latest flight times available from Portland to Washington, D.C. Dulles Intl Airport:

• Earliest: departs at 8:25 am and lands at 1:23 pm
• Latest: departs at 8:30 am and lands at 1:28 pm.

The flight takes about 4h 58m.

Last-minute fares on this route - booked within 2 weeks of departure - run 96% above the route average of $470. Book 24 weeks before departure for the lowest fares.

A nonstop flight from Portland to Washington, D.C. Dulles Intl Airport takes 4h 58m, covering 2,320 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $343 to $2,337. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from Portland to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $214, which is 26% below the typical average for this route.

Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 7h 16m, compared with 7h 39m via Charlotte Douglas (CLT) and 7h 42m via Salt Lake City (SLC).

Washington, D.C. Dulles Intl Airport is 3 hours ahead of Portland (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:
· Dollar
· Budget
· Hertz
· Sixt
· Thrifty

Round-trip flights from Portland to Washington, D.C. Dulles Intl Airport range from $379 to $604, with an average of $470 over the past 12 months. Anything below $379 counts as a good deal.