Cheap flights from Washington, D.C. to Portland from $110
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Portland departing on 9/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Alaska Airlines flights from Washington, D.C. to Portland
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Sun Country Air flights from Washington, D.C. to Portland
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How to get the cheapest flight ticket from Washington, D.C. to Portland
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Washington, D.C. and Portland?
What is the cheapest month to fly to Portland?
The cheapest month to fly to Portland from Washington, D.C. is in August. Flight prices, which tend to average around $301, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in August, then you should wait until January to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $347.
What is the cheapest day to depart on your flight to Portland?
The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as $501. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $581.
What is the cheapest time of day to depart on your flight to Portland?
The cheapest time of day to fly to Portland is in the evening when flights can be purchased for as low as $218. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $539 per ticket.
What is the cheapest Washington, D.C. to Portland flight route?
Fly from Washington, D.C. Reagan-National to Portland for the best Washington, D.C. - Portland flight prices
How far in advance should I book a flight to Portland?
You are more likely to see cheaper flights to Portland from Washington, D.C. when booking 3 weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $380 when searching 3 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Washington, D.C. for as low as $247 on momondo.
What cabin class options are available on Washington, D.C. to Portland flights?
There are 4 cabin classes available to choose from on Washington, D.C. to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Washington, D.C. to Portland flights?
You could potentially save up to 9% on your flight if you consider stops on a Washington, D.C. to Portland flight.
How have Washington, D.C. to Portland flight prices changed over time?
As of June 2025, prices for Washington, D.C. to Portland flights are approximately 23% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Washington, D.C. to Portland?
Spirit Airlines, Frontier, and Hawaiian Airlines are the most popular carriers operating from Washington, D.C. to Portland
What airlines fly to Portland?
United Airlines, Spirit Airlines and Delta are the top three most popular airlines that fly to Portland from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 10 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.
How many flights depart from Washington, D.C. to Portland on average per day?
As of June 2025, 4 flights take off from Washington, D.C. and land in Portland each day. The most common flight departure time for this route is 5:00PM, with 100% of daily flights taking off in the afternoon.
How many flights depart from Washington, D.C. to Portland on average per week?
As of June 2025, there are 30 flights per week flying from Washington, D.C. to Portland. The most common day of the week flights depart is Tue, with 17% of flights taking off on this day.
When to book flights from Washington, D.C. to Portland
Cheap Washington, D.C. to Portland (WAS to PDX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Portland
How far is Washington, D.C. to Portland by plane?
Washington, D.C. and Portland are 2345.6 mi apart from one another. By plane, this route typically takes 5h 30m.
When did momondo last update prices for flights from Washington, D.C. to Portland Airport?
Prices for flights from Washington, D.C. to Portland Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Portland Airport?
The number of operators available for flights from Washington, D.C. to Portland Airport is 10 as of June 2025.
How old do you have to be to fly from Washington, D.C. to Portland Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Washington, D.C. to Portland?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Washington, D.C. to Portland is Boeing 737-800 Passenger/BBJ2 (winglets) (45.32% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (28.43%), Boeing 737 (7.86%), and Boeing 737-700 Passenger/BBJ1 (winglets) (6.64%).
What is the most popular airline from Washington, D.C. to Portland?
Based on momondo bookings for flights between Washington, D.C. and Portland, the leading airline is United Airlines, making up 33% of the total bookings. Other popular airlines include Alaska Airlines with 20%, Spirit Airlines with 18%, and Delta with 10%.
Best airlines flying from Washington, D.C. to Portland
Compare and see reviews for airlines that fly from Washington, D.C. to Portland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $86 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $88 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $149 | Free Cancellation | Rating 6.9 345 reviews | |||
| PriceFrom $257 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $257 | Free Cancellation | Rating 7.3 2,925 reviews | |||
| PriceFrom $297 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $298 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $302 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $316 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $348 | Free Cancellation | Rating 8.0 4,287 reviews |
Alaska Airlines Flights From Washington, D.C. to Portland
The lowest priced Alaska Airlines flight from Washington, D.C. to Portland from the last 72 hours was $302. Generally, Alaska Airlines has 2 flights on this route every week with an average price of $518. Alaska Airlines is rated 8.0/10 by our users.
Hawaiian Airlines Flights From Washington, D.C. to Portland
Hawaiian Airlines is also a popular choice for this route. Hawaiian Airlines flight deals for Washington, D.C. to Portland start from as low as $297 round-trip, depending on your selected dates, with average Hawaiian Airlines deals seen on momondo around $478. Hawaiian Airlines operates 7 flights to Portland from Washington, D.C. in an average week. Users have rated it 7.8/10 across 2,494 reviews.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Portland?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Portland. momondo saves you time and could save you money on your trip.
Can I find flights from Washington, D.C. to Portland with flexible booking policies on momondo?
Yes. All flights to Portland from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Washington, D.C. to Portland?
momondo provides multiple filters to help you find the best flight to Portland from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Washington, D.C. to Portland right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Portland from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.