How can I find cheap flights from Dulles International Airport to Portland International Airport?
Explore the cheapest one-way and round-trip flights from Dulles International Airport to Portland International Airport over the next 90 days, with one-way fares from TWD 5,725 and round-trip from TWD 14,041. Based on Trip.com's latest 7-day flight data.
- Round-trip
- Cheapest
- Nonstop
- Recommended
- Next 7 days
- Fastest
- Cheapest nonstop
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Thu, Nov 12 | United Airlines
PDX 8:30 AM4h 52mNonstopIAD 4:22 PMPortland - Washington D.C. | Mon, Nov 16 | United AirlinesTWD 19,372 TWD 23,65718% off18% offTWD 23,657 TWD 19,372
IAD 5:33 PM6h 4mNonstopPDX 8:37 PMWashington D.C. - Portland | Thu, Dec 31 | United Airlines
PDX 8:04 AM4h 56mNonstopDCA 4:00 PMPortland - Washington D.C. | Thu, Jan 7 | Alaska AirlinesTWD 21,054 TWD 23,65711% off11% offTWD 23,657 TWD 21,054
IAD 7:30 AM8h 3m1 stopPDX 12:33 PMWashington D.C. - Portland | Tue, Nov 17 | Delta Air Lines
PDX 11:10 PM7h 1m1 stopIAD 9:11 AMPortland - Washington D.C. | Sat, Nov 21 | Delta Air LinesTWD 14,041 TWD 23,65741% off41% offTWD 23,657 TWD 14,041
IAD 7:00 AM9h 28m1 stopPDX 1:28 PMWashington D.C. - Portland | Tue, Dec 15 | Alaska Airlines
PDX 1:58 PM23h 57m1 stopDCA 4:55 PMPortland - Washington D.C. | Fri, Dec 18 | Frontier AirlinesTWD 14,37539% offTWD 23,657 TWD 14,375
IAD 3:00 PM9h 58m1 stopPDX 9:58 PMWashington D.C. - Portland | Tue, Dec 15 | Delta Air Lines
PDX 1:58 PM29h 1m1 stopDCA 9:59 PMPortland - Washington D.C. | Fri, Dec 18 | Frontier AirlinesTWD 14,58238% offTWD 23,657 TWD 14,582
IAD 1:09 PM10h 46m1 stopPDX 8:55 PMWashington D.C. - Portland | Tue, Dec 15 | American Airlines
PDX 1:58 PM19h 57m1 stopDCA 12:55 PMPortland - Washington D.C. | Fri, Dec 18 | Frontier AirlinesTWD 16,60330% offTWD 23,657 TWD 16,603
IAD 12:14 PM8h 54m1 stopPDX 6:08 PMWashington D.C. - Portland | Wed, Jan 6 | American Airlines
PDX 11:55 AM8h 34m1 stopDCA 11:29 PMPortland - Washington D.C. | Sun, Jan 10 | Delta Air LinesTWD 17,05128% offTWD 23,657 TWD 17,051
IAD 5:14 PM7h 53m1 stopPDX 10:07 PMWashington D.C. - Portland | Sun, Dec 6 | Delta Air Lines
PDX 5:32 PM9h 3m1 stopIAD 5:35 AMPortland - Washington D.C. | Wed, Dec 9 | Alaska AirlinesTWD 17,10028% offTWD 23,657 TWD 17,100
IAD 5:17 PM7h 38m1 stopPDX 9:55 PMWashington D.C. - Portland | Thu, Nov 12 | Alaska Airlines
PDX 6:08 AM7h 6m1 stopIAD 4:14 PMPortland - Washington D.C. | Mon, Nov 16 | Alaska AirlinesTWD 17,16427% offTWD 23,657 TWD 17,164
WAS 1:00 PM17h 25m1 stopPDX 2:00 PMWashington D.C. - Portland | Fri, Nov 13 | Normal Airline
PDX 3:00 PM6hNonstopWAS 4:00 PMPortland - Washington D.C. | Sun, Nov 15 | Normal AirlineFind more flightsFind more flights
- Cheapest
IAD 1:09 PM31h 25m1 stopPDX 5:34 PMWashington D.C. - Portland | Sat, Nov 28 | Frontier AirlinesTWD 5,725 TWD 12,08653% off53% offTWD 12,086 TWD 5,725
IAD 1:09 PM31h 25m1 stopPDX 5:34 PMWashington D.C. - Portland | Mon, Nov 30 | Frontier AirlinesTWD 7,008 TWD 12,08642% off42% offTWD 12,086 TWD 7,008
IAD 1:09 PM26h 27m1 stopPDX 12:36 PMWashington D.C. - Portland | Fri, Nov 27 | Frontier AirlinesTWD 7,107 TWD 12,08641% off41% offTWD 12,086 TWD 7,107
IAD 12:06 PM11h 25m1 stopPDX 8:31 PMWashington D.C. - Portland | Sun, Dec 20 | Frontier AirlinesTWD 7,20040% offTWD 12,086 TWD 7,200
IAD 8:20 PM23h 49m1 stopPDX 5:09 PMWashington D.C. - Portland | Sat, Jan 2 | Frontier AirlinesTWD 7,35339% offTWD 12,086 TWD 7,353
IAD 1:09 PM23h 23m1 stopPDX 9:32 AMWashington D.C. - Portland | Wed, Nov 25 | Frontier AirlinesTWD 7,56937% offTWD 12,086 TWD 7,569
IAD 1:09 PM23h 16m1 stopPDX 9:25 AMWashington D.C. - Portland | Tue, Dec 1 | Frontier AirlinesTWD 7,61837% offTWD 12,086 TWD 7,618
IAD 6:53 PM24h 57m1 stopPDX 4:50 PMWashington D.C. - Portland | Sun, Jan 10 | Alaska AirlinesTWD 7,77136% offTWD 12,086 TWD 7,771
IAD 6:42 PM18h 8m1 stopPDX 9:50 AMWashington D.C. - Portland | Sun, Dec 13 | Alaska AirlinesTWD 7,88935% offTWD 12,086 TWD 7,889
WAS 1:00 PM17h 25m1 stopPDX 2:00 PMWashington D.C. - Portland | Fri, Nov 13 | Normal AirlineFind more flightsFind more flights
- Cheapest nonstop
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Mon, Nov 30 | United AirlinesTWD 10,756 TWD 12,08611% off11% offTWD 12,086 TWD 10,756
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Tue, Dec 1 | United AirlinesTWD 10,756 TWD 12,08611% off11% offTWD 12,086 TWD 10,756
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Sun, Nov 22 | United AirlinesTWD 11,248 TWD 18,30239% off39% offTWD 18,302 TWD 11,248
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Tue, Nov 24 | United AirlinesTWD 11,62137% offTWD 18,302 TWD 11,621
IAD 5:33 PM6h 4mNonstopPDX 8:37 PMWashington D.C. - Portland | Thu, Dec 17 | United AirlinesTWD 11,64136% offTWD 18,302 TWD 11,641
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Thu, Nov 12 | United AirlinesTWD 11,68064% offTWD 32,089 TWD 11,680
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Mon, Nov 16 | United AirlinesTWD 11,68536% offTWD 18,302 TWD 11,685
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Sat, Nov 14 | United AirlinesTWD 11,69064% offTWD 32,089 TWD 11,690
IAD 5:33 PM6h 4mNonstopPDX 8:37 PMWashington D.C. - Portland | Fri, Dec 25 | United AirlinesTWD 11,72536% offTWD 18,302 TWD 11,725
WAS 1:00 PM17h 25m1 stopPDX 2:00 PMWashington D.C. - Portland | Fri, Nov 13 | Normal AirlineFind more flightsFind more flights
- Cheapest nonstop
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Sun, Nov 22 | United AirlinesTWD 11,248 TWD 18,30239% off39% offTWD 18,302 TWD 11,248
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Tue, Nov 24 | United AirlinesTWD 11,621 TWD 18,30237% off37% offTWD 18,302 TWD 11,621
IAD 5:33 PM6h 4mNonstopPDX 8:37 PMWashington D.C. - Portland | Thu, Dec 17 | United AirlinesTWD 11,641 TWD 18,30236% off36% offTWD 18,302 TWD 11,641
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Mon, Nov 16 | United AirlinesTWD 11,68536% offTWD 18,302 TWD 11,685
IAD 5:33 PM6h 4mNonstopPDX 8:37 PMWashington D.C. - Portland | Fri, Dec 25 | United AirlinesTWD 11,72536% offTWD 18,302 TWD 11,725
IAD 5:33 PM6h 4mNonstopPDX 8:37 PMWashington D.C. - Portland | Sun, Dec 20 | United AirlinesTWD 13,64825% offTWD 18,302 TWD 13,648
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Thu, Nov 26 | United AirlinesTWD 14,58220% offTWD 18,302 TWD 14,582
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Fri, Nov 20 | United AirlinesTWD 14,76419% offTWD 18,302 TWD 14,764
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Wed, Nov 18 | United AirlinesTWD 14,76419% offTWD 18,302 TWD 14,764
WAS 1:00 PM17h 25m1 stopPDX 2:00 PMWashington D.C. - Portland | Fri, Nov 13 | Normal AirlineFind more flightsFind more flights
- Cheapest nonstop
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Mon, Nov 16 | United AirlinesTWD 11,685 TWD 18,23536% off36% offTWD 18,235 TWD 11,685
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Wed, Nov 18 | United AirlinesTWD 14,764 TWD 18,23519% off19% offTWD 18,235 TWD 14,764
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Sun, Nov 15 | United AirlinesTWD 16,097 TWD 18,23512% off12% offTWD 18,235 TWD 16,097
IAD 5:17 PM7h 38m1 stopPDX 9:55 PMWashington D.C. - Portland | Thu, Nov 12 | Alaska AirlinesTWD 8,07156% offTWD 18,235 TWD 8,071
IAD 5:13 PM7h 57m1 stopPDX 10:10 PMWashington D.C. - Portland | Sat, Nov 14 | Delta Air LinesTWD 8,37154% offTWD 18,235 TWD 8,371
IAD 8:05 AM8h 9m1 stopPDX 1:14 PMWashington D.C. - Portland | Thu, Nov 12 | Delta Air LinesTWD 8,37154% offTWD 18,235 TWD 8,371
IAD 5:17 PM7h 38m1 stopPDX 9:55 PMWashington D.C. - Portland | Wed, Nov 18 | Alaska AirlinesTWD 12,00534% offTWD 18,235 TWD 12,005
IAD 5:17 PM7h 38m1 stopPDX 9:55 PMWashington D.C. - Portland | Mon, Nov 16 | Alaska AirlinesTWD 15,10317% offTWD 18,235 TWD 15,103
IAD 5:17 PM7h 38m1 stopPDX 9:55 PMWashington D.C. - Portland | Sun, Nov 15 | Alaska AirlinesTWD 15,12317% offTWD 18,235 TWD 15,123
WAS 1:00 PM17h 25m1 stopPDX 2:00 PMWashington D.C. - Portland | Fri, Nov 13 | Normal AirlineFind more flightsFind more flights
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Mon, Nov 30 | United AirlinesTWD 10,756 TWD 12,08611% off11% offTWD 12,086 TWD 10,756
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Tue, Dec 1 | United AirlinesTWD 10,756 TWD 12,08611% off11% offTWD 12,086 TWD 10,756
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Sun, Nov 22 | United AirlinesTWD 11,248 TWD 18,30239% off39% offTWD 18,302 TWD 11,248
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Tue, Nov 24 | United AirlinesTWD 11,62137% offTWD 18,302 TWD 11,621
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Thu, Nov 12 | United AirlinesTWD 11,68064% offTWD 32,089 TWD 11,680
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Mon, Nov 16 | United AirlinesTWD 11,68536% offTWD 18,302 TWD 11,685
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Sat, Nov 14 | United AirlinesTWD 11,69064% offTWD 32,089 TWD 11,690
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Thu, Nov 26 | United AirlinesTWD 14,58220% offTWD 18,302 TWD 14,582
IAD 5:19 PM5h 56mNonstopPDX 8:15 PMWashington D.C. - Portland | Wed, Nov 18 | United AirlinesTWD 14,76419% offTWD 18,302 TWD 14,764
WAS 1:00 PM17h 25m1 stopPDX 2:00 PMWashington D.C. - Portland | Fri, Nov 13 | Normal AirlineFind more flightsFind more flights
Displayed flight fares from Washington D.C. to Portland are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.
Which airline offers the cheapest flights from Dulles International Airport to Portland International Airport?
The cheapest airline flying from Dulles International Airport to Portland International Airport is Frontier Airlines (from TWD 5,725) among 7 carriers operating this route. Based on Trip.com's latest 7-day flight data.







Find more flights and airlines
What is the flight schedule from Dulles International Airport to Portland International Airport?
Check the schedule for flights from Washington D.C. to Portland and find the flight that best matches your travel plans.
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AS737
Dulles International Airport
5:17 PM
IAD
8:13 PM
SEA
S M T W T F SSearch -
AS315
Seattle Tacoma Intl. Airport
7:59 PM
SEA
8:53 PM
PDX
S M T W T F S -
DL432
Dulles International Airport
7:15 AM
IAD
10:09 AM
SLC
S M T W T F SSearch -
DL1209
Salt Lake City International Airport
11:35 AM
SLC
12:39 PM
PDX
S M T W T F S -
AS737
Dulles International Airport
5:17 PM
IAD
8:13 PM
SEA
S M T W T F SSearch -
AS2220
Seattle Tacoma Intl. Airport
10:59 PM
SEA
11:54 PM
PDX
S M T W T F S -
AS409
Dulles International Airport
7:46 AM
IAD
10:36 AM
SEA
S M T W T F SSearch -
AS488
Seattle Tacoma Intl. Airport
12:25 PM
SEA
1:28 PM
PDX
S M T W T F S -
AS409
Dulles International Airport
7:46 AM
IAD
10:36 AM
SEA
S M T W T F SSearch -
AS3063
Seattle Tacoma Intl. Airport
2:13 PM
SEA
3:13 PM
PDX
S M T W T F S -
AA2617
Dulles International Airport
7:18 AM
IAD
10:00 AM
DFW
S M T W T F SSearch -
AA2496
Dallas Fort Worth International Airport
11:18 AM
DFW
1:44 PM
PDX
S M T W T F S -
F91081
Dulles International Airport
6:07 PM
IAD
8:27 PM
ATL
- M - - - - -Search -
AS783
Hartsfield–Jackson Atlanta International Airport
6:17 PM
ATL
8:39 PM
PDX
S M T W T F S -
F94409
Dulles International Airport
8:21 PM
IAD
10:39 PM
ATL
S - T W T F SSearch -
F91449
Hartsfield–Jackson Atlanta International Airport
6:15 AM
ATL
7:54 AM
DEN
S M T W T F S -
F92553
Denver International Airport
1:42 PM
DEN
3:41 PM
PDX
- M - W - - S -
AS506
Dulles International Airport
6:46 PM
IAD
9:27 PM
SAN
S M T W T F SSearch -
AS399
San Diego International Airport
7:00 AM
SAN
9:45 AM
PDX
S M T W T F S -
F94355
Dulles International Airport
11:16 AM
IAD
1:49 PM
MCO
S M T W T F SSearch -
DL347
Orlando Intl. Airport
8:55 AM
MCO
12:28 PM
SEA
S M T W T F S -
DL3918
Seattle Tacoma Intl. Airport
4:05 PM
SEA
5:11 PM
PDX
S M T W T F S
About Dulles International Airport and Portland International Airport
Learn about Dulles International Airport (IAD) and Portland International Airport (PDX) — including location, terminals, transportation, and travel tips.
| Flight distance | 3,740.24 km |
|---|---|
| Cheapest one-way ticket price | TWD 5,725 |
| Cheapest return ticket price | TWD 14,041 |
FAQs for Dulles International Airport to Portland International Airport Flights
How long is the flight from Dulles International Airport to Portland International Airport?
Dulles International Airport to Portland International Airport takes about 6 hours 31 minutes on average. Actual flight time may vary depending on route, weather and air traffic.How many daily flights are there from Dulles International Airport (IAD) to Portland International Airport (PDX)?
There are around 2 daily flights from Dulles International Airport (IAD) to Portland International Airport (PDX).What is the flight schedule from Dulles International Airport to Portland International Airport?
The earliest flight from Dulles International Airport to Portland International Airport departs at 15:15, and the last departs at 17:19, with about 2 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.When are flight tickets from Dulles International Airport (IAD) to Portland International Airport (PDX) most expensive?
The route from Dulles International Airport (IAD) to Portland International Airport (PDX) is quite popular. Without considering departure times or holidays, tickets cost around TWD 19,229 in November, the most expensive month to book this route.What time does the earliest flight from Dulles International Airport to Portland International Airport depart?
The earliest flight departs from Dulles International Airport (IAD) at 06:00 and arrives in Portland International Airport (PDX) at 12:17.What time does the latest flight from Dulles International Airport to Portland International Airport depart?
The latest flight departs from Dulles International Airport (IAD) at 17:50 and arrives in Portland International Airport (PDX) at 20:48.Which airline operates the most direct flights from Dulles International Airport (IAD) to Portland International Airport (PDX)?
United Airlines is a very popular airline operating an average of 724 flights per month.What are the cheapest flights from Dulles International Airport to Portland International Airport?
One-way flights from Dulles International Airport to Portland International Airport currently start from TWD 5,725, and round-trip fares start from TWD 14,041. The current lowest fare is a Frontier Airlines flight departing on Sat, Nov 28; prices may vary depending on availability.Which airlines offer direct flights from Dulles International Airport to Portland International Airport?
Yes. United Airlines operate direct flights from Dulles International Airport to Portland International Airport, with an average flight time of 7 hours 12 minutes, and around 14 weekly flights. Actual flight frequency may vary by season.What is the average price of a flight from Dulles International Airport to Portland International Airport?
Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Dulles International Airport to Portland International Airport is TWD 12,896. Prices may vary depending on the departure date, airline, and availability.How many weekly flights are there from Dulles International Airport to Portland International Airport?
Dulles International Airport to Portland International Airport operates around 14 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.How do I book flights from Dulles International Airport to Portland International Airport on Trip.com?
Enter Dulles International Airport and Portland International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.
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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.