Flight Routes from Portland Oregon to Washington DC

Trip type

Our cheapest offers for flights from Portland Oregon to Washington DC

Here you can compare cheap flights from Portland Oregon (PDX) to Washington DC (DCA) 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
03/26/26
1 Stopover (DEN)
F91790, F90690
06h 55min
Return
03/31/26
direct
AS0009
05h 57min
Frontier Airlines
$374
Portland-Oregon
Washington DC
Outbound
03/26/26
1 Stopover (DEN)
F91790, F90690
06h 55min
Return
03/31/26
direct
AS0009
05h 57min
Frontier Airlines ?
$385
Portland-Oregon
Washington DC
Outbound
06/25/26
1 Stopover (BOS)
B60096, B62355
08h 22min
Return
06/30/26
1 Stopover (BOS)
B61254, B60095
11h 58min
JetBlue Airways
$417
Portland-Oregon
Washington DC
Outbound
03/26/26
1 Stopover (ORD)
AA0820, AA0603
09h 04min
Return
03/31/26
1 Stopover (ORD)
AA4484, AA2128
09h 21min
American Airlines ?
$423
Portland-Oregon
Washington DC
Outbound
06/25/26
1 Stopover (BOS)
B60096, B62355
08h 22min
Return
06/30/26
1 Stopover (BOS)
B61254, B60095
11h 58min
JetBlue Airways ?
$445
Portland-Oregon
Washington DC
Outbound
03/26/26
1 Stopover (SEA)
AS0403, AS0002
09h 59min
Return
03/31/26
direct
AS0009
05h 57min
Alaska Airlines
$456
Portland-Oregon
Washington DC
Outbound
06/25/26
1 Stopover (DEN)
F91790, F90688
22h 53min
Return
06/30/26
1 Stopover (DEN)
F90685, F92553
30h 43min
Frontier Airlines ?
$585
Portland-Oregon
Washington DC
Outbound
06/25/26
1 Stopover (SAN)
AS0577, AS0014
10h 28min
Return
06/30/26
direct
AS0009
05h 51min
Alaska Airlines ?
$609
Portland-Oregon
Washington DC
Outbound
03/26/26
1 Stopover (LAX)
HA6426, HA6706
09h 45min
Return
03/31/26
direct
HA6709
05h 57min
Hawaiian Airlines ?
$664
Portland-Oregon
Washington DC
Outbound
06/25/26
1 Stopover (LAX)
AS0581, AS0006
10h 00min
Return
06/30/26
direct
AS0009
05h 51min
Alaska Airlines ?
$690
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Portland Oregon to Washington DC

Favorite airline: e.g. Frontier Airlines, United Airlines
The favorite airline for flights from Portland-Oregon to Washington DC is Frontier Airlines.
Frontier Airlines
33 %
United Airlines
33 %
Alaska Airlines
17 %
Favourite connection: via Denver
The most popular route is via Denver and is booked by 67 % of all travelers.
Route
bookings
1 stopover Denver International Airport, CO
08h 57min, from $271
67 %
1 stopover Hartsfield-Jackson Atlanta International Airport, GA
06h 55min, from $553
33 %

Important flight information

Flight information: Portland-Oregon - Washington DC

Roundtrip from $373.97
Flight duration min. 04:45
Return flight duration min. 06:10/ max. 06:55
Distance 3777 km
Flights per week 8
Departure airport Airport Portland International Airport, Oregon (PDX)
Arrival airport Airport Washington DC - Ronald Reagan National Airport, VA (DCA)
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