$212+ Cheap flights from Dulles Intl (IAD) to Portland (PDX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PDX
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Dulles Intl to Portland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Portland are usually found in January or February, booked 52 days in advance, depart on a Saturday or Wednesday and return on a Thursday
Cheap flight deals from Dulles Intl to Portland
Cheapest
Best
Last-minute
One-way
Cheapest flights from Dulles Intl to PortlandExplore the most affordable flight options available from Dulles Intl to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Dulles Intl to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:06 pm -
2 stops17h 01m
Fri 11/1311:06 am -
2 stops27h 06m
Deal found 10/21![Frontier logo]()
$375
This Cheapflightsfares deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:09 pm -
1 stop23h 23m
Mon 11/231:31 pm -
1 stop12h 39m
Deal found 10/24![Frontier logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1510:35 pm -
2 stops40h 34m
Wed 12/307:25 pm -
1 stop31h 42m
Deal found 10/24![Frontier logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/221:09 pm -
1 stop26h 27m
Tue 12/2210:28 pm -
2 stops23h 23m
Deal found 10/25![Frontier logo]()
$390
This Mytrip deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:32 am -
2 stops32h 31m
Thu 11/2611:23 am -
1 stop14h 12m
Deal found 10/20![Frontier logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/221:09 pm -
1 stop26h 27m
Wed 12/237:25 pm -
2 stops26h 26m
Deal found 10/25![Frontier logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/221:09 pm -
1 stop26h 27m
Thu 12/241:04 pm -
2 stops23h 09m
Deal found 10/25![Frontier logo]()
$402
This Cheapflightsfares deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/199:10 pm -
1 stop27h 23m
Tue 12/2210:28 pm -
1 stop28h 39m
Deal found 10/20![Frontier logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:32 am -
2 stops54h 35m
Fri 11/201:58 pm -
1 stop12h 12m
Deal found 10/21![Frontier logo]()
$407
Best flights from Dulles Intl to PortlandDiscover carefully curated flight deals from Dulles Intl to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Dulles Intl to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:42 pm -
1 stop18h 08m
Mon 1/45:50 pm -
1 stop21h 00m
Deal found 10/24![Alaska Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/255:33 pm -
Nonstop6h 04m
Tue 1/55:30 am -
1 stop10h 35m
Deal found 10/20![United Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:14 pm -
1 stop7h 53m
Mon 12/711:53 am -
1 stop9h 48m
Deal found 10/20![Delta logo]()
$497
This Alaska Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/247:13 pm -
1 stop21h 33m
Sun 12/276:09 am -
1 stop7h 19m
Deal found 10/25![Alaska Airlines logo]()
$490
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/103:00 pm -
1 stop9h 58m
Mon 12/142:15 pm -
1 stop7h 16m
Deal found 10/21![Delta logo]()
$497
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/116:30 am -
1 stop8h 47m
Mon 2/156:59 pm -
1 stop7h 09m
Deal found 10/22![United Airlines logo]()
$515
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:00 am -
1 stop9h 28m
Thu 12/316:09 am -
1 stop7h 19m
Deal found 10/23![Alaska Airlines logo]()
$497
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/214:00 pm -
1 stop9h 26m
Sun 4/251:38 pm -
1 stop7h 13m
Deal found 10/22![Delta logo]()
$517
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:00 am -
1 stop9h 28m
Mon 12/146:26 am -
1 stop6h 49m
Deal found 10/23![Alaska Airlines logo]()
$497
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/197:13 pm -
1 stop17h 16m
Wed 12/3010:51 am -
2 stops15h 54m
Deal found 10/23![Alaska Airlines logo]()
$502
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/266:10 am -
1 stop8h 37m
Wed 12/3011:42 pm -
Nonstop4h 53m
Deal found 10/24![United Airlines logo]()
$627
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:13 pm -
1 stop7h 57m
Sun 11/292:15 pm -
1 stop7h 05m
Deal found 10/22![Delta logo]()
$618
Last-minute flights from Dulles Intl to PortlandDiscover last-minute flight deals from Dulles Intl to Portland. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Portland. Data last updated October 25, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:06 pm -
2 stops17h 01m
Fri 11/1311:06 am -
2 stops27h 06m
Deal found 10/21![Frontier logo]()
$375
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:09 pm -
1 stop18h 58m
Tue 11/1711:49 pm -
1 stop20h 41m
Deal found 10/20![American Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:32 am -
2 stops54h 35m
Fri 11/201:58 pm -
1 stop12h 12m
Deal found 10/21![Frontier logo]()
$407
This Mytrip deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:32 am -
2 stops32h 31m
Thu 11/2611:23 am -
1 stop14h 12m
Deal found 10/20![Frontier logo]()
$391
This Cheapflightsfares deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:09 pm -
1 stop23h 23m
Mon 11/231:31 pm -
1 stop12h 39m
Deal found 10/24![Frontier logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/221:09 pm -
1 stop26h 27m
Tue 12/2210:28 pm -
2 stops23h 23m
Deal found 10/25![Frontier logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/221:09 pm -
1 stop26h 27m
Wed 12/237:25 pm -
2 stops26h 26m
Deal found 10/25![Frontier logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/221:09 pm -
1 stop26h 27m
Thu 12/241:04 pm -
2 stops23h 09m
Deal found 10/25![Frontier logo]()
$402
This Cheapflightsfares deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:09 pm -
1 stop23h 23m
Mon 11/301:31 pm -
1 stop12h 39m
Deal found 10/23![Frontier logo]()
$406
One-way flights from Dulles Intl to PortlandSearch for one-way flight options from Dulles Intl to Portland. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Dulles Intl to Portland. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:14 am -
1 stop17h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![American Airlines logo]()
$212
This Super.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:09 pm -
1 stop23h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/228:51 pm -
2 stops42h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:07 pm -
3 stops44h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$218
This Mytrip deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/310:33 pm -
2 stops23h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$222
This Trip.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3010:59 pm -
2 stops16h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/18:51 pm -
2 stops41h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/189:50 pm -
2 stops41h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$228
This Mytrip deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:50 am -
2 stops30h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2310:59 pm -
2 stops16h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Frontier logo]()
$233
Find flight deals from Dulles Intl to Portland
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $375 (Mytrip) |
One-way from | $212 (American Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $520 |
Good round-trip deal | $547 or less |
Good one-way deal | $353 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Portland
IAD Washington, D.C. Dulles Intl - PDX Portland
IADPDX
Washington, D.C. Dulles Intl
Sun 2/7
7:17 am-12:30 pm
1 stop8h 13m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$249
Washington, D.C.Portland
IAD Washington, D.C. Dulles Intl - PDX Portland
IADPDX
Washington, D.C. Dulles Intl
Tue 3/23
3:00 pm-8:23 pm
1 stop8h 23m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$249
Washington, D.C.Portland
IAD Washington, D.C. Dulles Intl - PDX Portland
IADPDX
Washington, D.C. Dulles Intl
Wed 11/11
12:32 pm-7:14 pm
1 stop9h 42m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$249
Quickest round-trip
Washington, D.C.Portland
IAD Washington, D.C. Dulles Intl - PDX Portland
IADPDX
Washington, D.C. Dulles Intl
Thu 11/26
5:19 pm-8:15 pm
Nonstop5h 56m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$269
Washington, D.C.Portland
IAD Washington, D.C. Dulles Intl - PDX Portland
IADPDX
Washington, D.C. Dulles Intl
Fri 11/20
5:19 pm-8:15 pm
Nonstop5h 56m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$269
Washington, D.C.Portland
IAD Washington, D.C. Dulles Intl - PDX Portland
IADPDX
Washington, D.C. Dulles Intl
Thu 12/24
5:33 pm-8:37 pm
Nonstop6h 04m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$269
Washington, D.C.Portland
IAD Washington, D.C. Dulles Intl - PDX Portland
IADPDX
Washington, D.C. Dulles Intl
Wed 11/18
5:19 pm-8:15 pm
Nonstop5h 56m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$269
Washington, D.C.Portland
IAD Washington, D.C. Dulles Intl - PDX Portland
IADPDX
Washington, D.C. Dulles Intl
Mon 2/15
1:00 pm-7:08 pm
1 stop9h 08m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$274
Washington, D.C.Portland
IAD Washington, D.C. Dulles Intl - PDX Portland
IADPDX
Washington, D.C. Dulles Intl
Tue 11/10
3:10 pm-11:09 pm
2 stops34h 59m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$301
Washington, D.C.Portland
IAD Washington, D.C. Dulles Intl - PDX Portland
IADPDX
Washington, D.C. Dulles Intl
Mon 12/21
5:33 pm-8:37 pm
Nonstop6h 04m
Portland
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$325
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Dulles Intl to Portland
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Portland in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Portland flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Dulles Intl to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from Dulles Intl with our price prediction graph.
IAD-PDX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Portland
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Portland?
To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Portland, you should look to book at least 51 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Portland?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Portland (average of $346). Flying from Washington, D.C. Dulles Intl Airport to Portland in December is currently the most expensive (average of $663). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IAD to PDX?
Find hourly flight availability from Dulles Intl to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 25, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Portland as you normally would.
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated October 25, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andUnited Airlines from Washington, D.C. Dulles Intl Airport to Portland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
Seaside
Durham
Cannon Beach
Longview
Lake Oswego
Vancouver
Kelso
Troutdale
Lincoln City
Clackamas
McMinnville
The Dalles
Wilsonville
Stevenson
Hillsboro
Tillamook
Astoria
Gresham
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Dulles Intl and Portland flights
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Top 3 airlines flying from Dulles Intl to Portland
Discover the top 3 airlines that operate flights from Dulles Intl to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$276 | Average$520 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$287 | Average$467 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$332 | Average$548 | FlexibilityNo cancel fee | On-time69% |