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Cheap flights Washington — Portland

Washington (IAD, US) Portland (PDX, US)
from $289 3 778 km ~4h 57m 6 flights found 3 airlines cheapest on Tuesday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $289 on 16.11.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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December 2026
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January 2027
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Prices found for 4 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
17 Nov 2026, Tue
Frontier Airlines F9 4355
19:16
IAD Washington Dulles International Airport
05:34
PDX Portland International Airport
10h 18m 2 stops
Kiwi.com
$299
View this ticket
15 Nov 2026, Sun
United Airlines UA 780
01:19
IAD Washington Dulles International Airport
07:15
PDX Portland International Airport
5h 56m Direct
Farera
$399
View this ticket
18 Nov 2026, Wed
United Airlines UA 780
01:19
IAD Washington Dulles International Airport
07:15
PDX Portland International Airport
5h 56m Direct
Farera
$409
View this ticket
Route characteristics
Distance
3 778 km
Flight time
4h 57m
Time difference
-3h
Minimum price
from $289 (16.11.2026)
Average price
$349
Maximum price
$409
Departures per week
1
Cheapest day
Tuesday
Departure airports (1)
IAD Washington Dulles International Airport
Arrival airports (1)
PDX Portland International Airport
Airlines (3)
MX Breeze Airways F9 Frontier Airlines UA United Airlines
Agencies (4)
Tickets Flightnetwork Kiwi.com Farera
Prices by day of week
Tuesday
$299
avg $299
Cheapest
Wednesday
$409
avg $409
Sunday
$399
avg $399
Airlines — cheapest prices 3
Breeze Airways
Breeze Airways
Low-cost 1 flights · 1 days
$223
Frontier Airlines
Frontier Airlines
Low-cost 2 flights · 2 days
$280
United Airlines
United Airlines
3 flights · 3 days
$399
Where to buy tickets 4
Tickets
1 tickets · 1 days
from $223
Flightnetwork
1 tickets · 1 days
from $280
Kiwi.com
1 tickets · 1 days
from $299
Farera
3 tickets · 3 days
from $399
Airports

From — Washington (1)

  • IAD Washington Dulles International Airport

To — Portland (1)

  • PDX Portland International Airport
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Frequently asked questions about the route Washington — Portland
How long is the flight from Washington to Portland?
Approximate flight time — 4h 57m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Washington to Portland?
The straight-line distance — 3 778 km.
How much do flights from Washington to Portland cost?
The minimum price over 3 months — from $289 on 16.11.2026.
What is the average ticket price?
The average price — $349. Range: $289 — $409.
What is the time difference between Washington and Portland?
The difference — -3h.
From which airports does Washington operate flights?
From Washington: IAD (Washington Dulles International Airport).
To which airports in Portland do flights arrive?
To Portland: PDX (Portland International Airport).
Which airlines fly this route?
This route is served by 3 airlines: Breeze Airways, Frontier Airlines, United Airlines.
Are there direct flights?
Yes, there are direct flights. Minimum direct price — from $399. Total direct flights found: 2.
Which day of the week is cheapest?
The cheapest day of the week — Tuesday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Washington — Portland

Flights Washington — Portland is a popular route. The straight-line distance is 3 778 km. Flight time 4h 57m. Time difference -3h.

From Washington (IAD) flights depart from 1 airport: IAD. To Portland (PDX) — 1 arrival airport: PDX.

3 airlines operate on this route: Breeze Airways, Frontier Airlines, United Airlines.

The minimum price for the next 3 months — from $289 (16.11.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $349, ranging from $289 to $409. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Tuesday.

Other destinations in United States from Washington
Pensacola
US
Norfolk
US
Philadelphia
US
Phoenix
US
Pittsburgh
US
Portland
US
Raleigh
US
Oklahoma City
US

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