Flights from Portland Oregon to Washington DC

Our cheapest offers for flights from Portland Oregon to Washington DC

Here you can compare cheap flights from Portland Oregon (PDX) to Washington DC (IAD) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Washington DC. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Portland-Oregon
Washington DC
Outbound
01/04/26
1 Stopover (SEA)
AS2190, AS0367
06h 41min
Return
01/09/26
1 Stopover (SAN)
AS0201, AS0729
09h 24min
Alaska Airlines
$718
found 2 days ago
Prices based on recent searches, subject to last-minute changes
Page 1 / 1

Tips and tricks to help you find cheap flights from Portland Oregon to Washington DC

Favorite airline: United Airlines
United Airlines is the most popular airline for flights from Portland-Oregon to Washington DC.
United Airlines
43 %
Alaska Airlines
29 %
Spirit Airlines
14 %
Stopover flights are the cheapest connection
Compared to direct flights, flights with a stopover on this route are on average 15 % cheaper.
non stop flight
1 stop
2 stops
04h 58min
29h 29min
12h 17min
$497
$433
$585
Favourite connection: via Seattle-Tacoma
Flights with a stopover in Seattle-Tacoma are the most popular connection for this route.
Route
bookings
1 stopover Seattle-Tacoma International Airport, WA
15h 59min, from $437
50 %
1 stopover Los Angeles International Airport, CA
29h 29min, from $433
33 %
1 stopover Minneapolis - St. Paul International Airport, MN
07h 29min, from $542
17 %

Important flight information

Flight information: Portland-Oregon - Washington DC

Roundtrip from $717.97
Return flight duration min. 06:49/ max. 06:54
Distance 3740 km
Departure airport Airport Portland International Airport, Oregon (PDX)
Arrival airport Airport Washington DC - Dulles International Airport, DC (IAD)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Washington DC
Flight destinations with a similar price
Flight destinations with a similar price