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CA $321 Cheap Flights from Washington (IAD) to Portland (PDX)

View CA $321 flight on Mon, Oct 26, 2026Opens in a new window

Popular airlines from Washington Dulles International Airport (IAD) to Portland International Airport (PDX)

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Cheap flights from Washington (IAD) to Portland (PDX)

Prices were available within the past 7 days and start at CA $321 for one-way flights and CA $560 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Dec 8 - Sat, Dec 12
IAD
Washington
PDX
Portland
CA $560 Roundtrip, just found
CA $560
Roundtrip
just found
Select Delta flight, departing Tue, Dec 8 from Washington to Portland, returning Sat, Dec 12, priced at CA $560 just found
Delta
Tue, Dec 8 - Sat, Dec 12
IAD
Washington
PDX
Portland
CA $567 Roundtrip, just found
CA $567
Roundtrip
just found
Select Delta flight, departing Tue, Dec 8 from Washington to Portland, returning Sat, Dec 12, priced at CA $567 just found
Delta
Sat, Sep 26 - Sat, Oct 3
IAD
Washington
PDX
Portland
CA $576 Roundtrip, just found
CA $576
Roundtrip
just found
Select Delta flight, departing Sat, Sep 26 from Washington to Portland, returning Sat, Oct 3, priced at CA $576 just found
Delta
Tue, Dec 8 - Sat, Dec 12
IAD
Washington
PDX
Portland
CA $584 Roundtrip, just found
CA $584
Roundtrip
just found
Select Delta flight, departing Tue, Dec 8 from Washington to Portland, returning Sat, Dec 12, priced at CA $584 just found
Delta
Tue, Dec 8 - Sat, Dec 12
IAD
Washington
PDX
Portland
CA $602 Roundtrip, just found
CA $602
Roundtrip
just found
Select Delta flight, departing Tue, Dec 8 from Washington to Portland, returning Sat, Dec 12, priced at CA $602 just found
Delta
Tue, Dec 8 - Sat, Dec 12
IAD
Washington
PDX
Portland
CA $609 Roundtrip, just found
CA $609
Roundtrip
just found
Select Delta flight, departing Tue, Dec 8 from Washington to Portland, returning Sat, Dec 12, priced at CA $609 just found
Delta
Sat, Sep 26 - Sat, Oct 3
IAD
Washington
PDX
Portland
CA $618 Roundtrip, just found
CA $618
Roundtrip
just found
Select Delta flight, departing Sat, Sep 26 from Washington to Portland, returning Sat, Oct 3, priced at CA $618 just found
American Airlines
Sat, Sep 26 - Sat, Oct 3
IAD
Washington
PDX
Portland
CA $646 Roundtrip, just found
CA $646
Roundtrip
just found
Select American Airlines flight, departing Sat, Sep 26 from Washington to Portland, returning Sat, Oct 3, priced at CA $646 just found
Alaska Airlines
Tue, Dec 8 - Sat, Dec 12
IAD
Washington
PDX
Portland
CA $648 Roundtrip, just found
CA $648
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Dec 8 from Washington to Portland, returning Sat, Dec 12, priced at CA $648 just found
United
Sat, Sep 26 - Sat, Oct 3
IAD
Washington
PDX
Portland
CA $868 Roundtrip, just found
CA $868
Roundtrip
just found
Select United flight, departing Sat, Sep 26 from Washington to Portland, returning Sat, Oct 3, priced at CA $868 just found

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.) cost?
You can find one-way and return flights from IAD to PDX with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when IAD to PDX ticket fares go up or down.
What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.)?
September is typically the cheapest month to fly from Washington Dulles International Airport (IAD) to Portland International Airport (PDX), with average return fares around CA$563. September often sees lower prices as the summer travel rush ends and before the holiday season begins, leading to reduced demand. Other cheap months to fly from Washington Dulles International Airport (IAD) to Portland International Airport (PDX) include February and May.
Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.)?
Only one airline offers direct flights from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.). United operates 7 direct flights from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.) every week.
What is the cheapest airline that flies from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.)?
United is one of the cheapest airlines offering nonstop return flights from Washington Dulles Intl. (IAD) to Portland Intl. (PDX), with prices starting from around CA$354 for flights that can be booked for departure within the next year. Sun Country Airlines offers one of the cheapest connecting return flights on this route, with prices starting from around CA$414. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.)?
The best airline to fly with from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. Alaska Airlines offers the most daily flights from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.)?
The cheapest months to fly from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.) are typically September and February, with average return flights around CA$563. While November is a popular month for travel on this route, offering plenty of flight options, it's not one of the cheapest. If you're looking for the best value, aiming for September or February will help you find more affordable fares.
How many flights per day from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.)?
There is 1 nonstop flight per day from Washington Dulles Intl. (IAD) to Portland Intl. (PDX). For even more choices, look at flights that include layovers, as there are around 78 connecting flights per day. Some common connection points include Seattle - Tacoma Intl. (SEA), Denver Intl. (DEN), and Charlotte-Douglas Intl. (CLT).
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.)?
The earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.) typically departs around 5:00 AM. This flight is operated by American Airlines. This is a seasonal service, active only in August. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.)?
You'll generally find the most flights from Washington Dulles Intl. (IAD) to Portland Intl. (PDX) on a Saturday, with around 41 flights available. This gives you a good selection of options if you're planning a weekend trip. Major airlines on this route include United, Delta, and American Airlines. Looking at the weekly schedule, Saturdays offer notably more flight options compared to other days.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.)?
The most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.) are in the early morning, from 6am to 9am. Many major carriers, including Delta, United and Alaska Airlines, offer flights during this window. Many travellers prefer these times as it allows for an early start to their journey, getting them to their destination with plenty of day left.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.)?
A nonstop flight from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.) typically takes around 5 hours 48 minutes. This route covers a distance of approximately 3,735 kilometers. If you opt for a flight with one stop, your travel time will be longer, usually around 9 hours 48 minutes. Flights with two or more stops generally take about 13 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.)?
Yes, you can fly business class or first class between IAD and PDX. You can fly business class with Frontier Airlines and Delta.First class cabins are available on Alaska Airlines, United, Delta, and American Airlines.
How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Portland, OR (PDX) from Washington, DC (IAD)?
If you're planning to travel to Portland from Washington Dulles International Airport (IAD), you can fly directly into Portland International Airport (PDX). Some flights may connect through major hubs like Seattle - Tacoma International Airport (SEA), Hartsfield-Jackson Atlanta International Airport (ATL), or Denver International Airport (DEN) before reaching Portland. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Portland, OR (PDX-Portland Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta
Roundtrip price
CA $560
Distance
3713 km
Average flight time
5 hours 37 mins

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Chantilly to Portland Flights

The easy way to book your flights from Washington to Portland 

With Expedia, it’s simple to find and book flights to Portland from Washington whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Portland Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Washington to Portland today, tomorrow, or this week.  

 

Save dollars with cheap flights from Washington Dulles Intl., IAD to Portland Intl., PDX 

Sort your search results by price to find great deals on your flight from Washington to Portland—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Portland from Washington currently is just CA $560 rising to CA $868.  

Here are more money-saving tips: 

  • Fly in December when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Portland  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Portland from Washington 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Portland with Expedia today.

Chantilly to Portland Flights

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