Which airport is the most popular layover for flights between Washington, D.C. Dulles Intl Airport and Portland?

Seattle (SEA) was the most common stop: 57% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Washington, D.C. Dulles Intl Airport to Portland?

Minneapolis (MSP) has the shortest average layover time for this route: 2h 36m.

Which layover airport offers the lowest fares from Washington, D.C. Dulles Intl Airport to Portland?

Flights via Las Vegas (LAS) offer the lowest average round-trip price of $261.

Which layover airport has the shortest travel time from Washington, D.C. Dulles Intl Airport to Portland?

Flights connecting via Minneapolis (MSP) have the shortest average one-way travel time: 8h 42m.

What airlines fly to Portland?

United Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to Portland from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 85% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 3 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Portland?

Delta, Alaska Airlines, and United Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Portland

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Portland Airport?

Prices for flights from Washington, D.C. Dulles Intl Airport to Portland Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Portland Airport?

As of August 2026, there are 3 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Portland Airport.

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Portland Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$204 Cheap Flights from Washington, D.C. Dulles Intl Airport to Portland in 2026

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Portland on average per week?

As of August 2026, 6 flights take off from Washington, D.C. Dulles Intl Airport and land in Portland each week. The most common flight departure day for this route is Tue, with 33% of weekly flights taking off on this day.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Portland

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:12 am - 11:43 am-

51h 31m

12:39 pm - 6:20 am-

14h 41m

$304Frontier

Tue, Sep 29 - Mon, Oct 5

11:12 am - 11:36 am-

27h 24m

12:39 pm - 6:20 am-

14h 41m

$310Frontier

Fri, Sep 25 - Mon, Sep 28

8:59 am - 12:52 pm-

30h 53m

12:38 pm - 10:17 am-

18h 39m

$313Frontier

Wed, Sep 2 - Thu, Sep 10

7:00 am - 12:22 pm-

8h 22m

1:50 pm - 11:59 pm-

7h 09m

$407Alaska Airlines

Fri, Dec 4 - Tue, Dec 8

7:35 pm - 9:30 am-

16h 55m

6:20 am - 4:44 pm-

7h 24m

$407Alaska Airlines

Fri, Aug 21 - Thu, Aug 27

6:00 am - 10:27 am-

7h 27m

1:42 pm - 11:23 pm-

6h 41m

$407Delta

Wed, Sep 2 - Wed, Sep 9

6:00 am - 10:42 am-

7h 42m

2:20 pm - 12:42 am-

7h 22m

$407Delta

Sat, Oct 31 - Wed, Nov 4

1:00 pm - 7:08 pm-

9h 08m

9:45 pm - 9:11 am-

8h 26m

$407Delta

Tue, Jan 5 - Tue, Jan 12

5:19 pm - 8:15 pm-

5h 56mnonstop

8:30 am - 4:22 pm-

4h 52mnonstop

$457United Airlines

Thu, Nov 5 - Thu, Nov 12

5:30 pm - 8:10 pm-

5h 40mnonstop

8:30 am - 4:22 pm-

4h 52mnonstop

$457United Airlines

Tue, Oct 20 - Tue, Oct 27

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Frontier flights from Washington, D.C. Dulles Intl Airport to Portland

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Portland flight tickets

Frontier

Sep 29

IAD11:12 amWashington, D.C. Dulles Intl

51h 31m

2 stops

PDX11:43 amPortland

Oct 5

PDX12:39 pmPortland

14h 41m

1 stop

IAD6:20 amWashington, D.C. Dulles Intl

$304

Frontier

Sep 25

IAD11:12 amWashington, D.C. Dulles Intl

27h 24m

2 stops

PDX11:36 amPortland

Sep 28

PDX12:39 pmPortland

14h 41m

1 stop

IAD6:20 amWashington, D.C. Dulles Intl

$310

Frontier

Sep 10

IAD6:00 amWashington, D.C. Dulles Intl

8h 36m

1 stop

PDX11:36 amPortland

Sep 14

PDX12:39 pmPortland

14h 41m

1 stop

IAD6:20 amWashington, D.C. Dulles Intl

$313

American Airlines flights from Washington, D.C. Dulles Intl Airport to Portland

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Portland flight tickets

American Airlines

Sep 15

IAD12:41 pmWashington, D.C. Dulles Intl

8h 11m

1 stop

PDX5:52 pmPortland

Sep 30

PDX9:44 pmPortland

9h 11m

1 stop

IAD9:55 amWashington, D.C. Dulles Intl

$387

American Airlines

Aug 19

IAD2:53 pmWashington, D.C. Dulles Intl

11h 16m

1 stop

PDX11:09 pmPortland

Aug 28

PDX6:27 amPortland

9h 00m

1 stop

IAD6:27 pmWashington, D.C. Dulles Intl

$521

American Airlines

Aug 19

IAD7:57 amWashington, D.C. Dulles Intl

11h 54m

2 stops

PDX4:51 pmPortland

Aug 28

PDX6:27 amPortland

9h 00m

1 stop

IAD6:27 pmWashington, D.C. Dulles Intl

$526

momondo Fare Finder

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

Price

Cheapest round-trip

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Tue 9/29

11:12 am-11:43 am

2 stops51h 31m

Portland

Mon 10/5

12:39 pm-6:20 am

1 stop14h 41m

$304

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Fri 9/25

11:12 am-11:36 am

2 stops27h 24m

Portland

Mon 9/28

12:39 pm-6:20 am

1 stop14h 41m

$310

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Wed 9/2

8:59 am-12:52 pm

1 stop30h 53m

Portland

Thu 9/10

12:38 pm-10:17 am

2 stops18h 39m

$313

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Fri 12/4

7:00 am-12:22 pm

1 stop8h 22m

Portland

Tue 12/8

1:50 pm-11:59 pm

1 stop7h 09m

$407

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Fri 8/21

7:35 pm-9:30 am

1 stop16h 55m

Portland

Thu 8/27

6:20 am-4:44 pm

1 stop7h 24m

$407

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Wed 9/2

6:00 am-10:27 am

1 stop7h 27m

Portland

Wed 9/9

1:42 pm-11:23 pm

1 stop6h 41m

$407

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Sat 10/31

6:00 am-10:42 am

1 stop7h 42m

Portland

Wed 11/4

2:20 pm-12:42 am

1 stop7h 22m

$407

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Tue 1/5

1:00 pm-7:08 pm

1 stop9h 08m

Portland

Tue 1/12

9:45 pm-9:11 am

1 stop8h 26m

$407

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Thu 11/5

5:19 pm-8:15 pm

Nonstop5h 56m

Portland

Thu 11/12

8:30 am-4:22 pm

Nonstop4h 52m

$457

Quickest round-trip

Washington, D.C.Portland

IAD - PDX

IADPDX

Washington, D.C. Dulles Intl

Tue 10/20

5:30 pm-8:10 pm

Nonstop5h 40m

Portland

Tue 10/27

8:30 am-4:22 pm

Nonstop4h 52m

$457

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport 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

Prices

Airlines

Layovers

Other information

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Portland?

Prices are currently low for flights on this route.

Typical prices usually range from $447 to $614.
The lowest price recently found on this route was $304.

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Washington, D.C. Dulles Intl Airport is in January. Flight prices, which tend to average around $346, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in January, then you should wait until February to fly from Washington, D.C. Dulles Intl Airport, when ticket prices are also cheap, with an average price of $360.

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 Tuesday when prices can be found for as low as $453. 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 $580.

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 $397. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $509 per ticket.

What is the cheapest Washington, D.C. Dulles Intl to Portland flight route?

Fly from Washington, D.C. Dulles Intl to Portland for the best Washington, D.C. Dulles Intl - Portland flight prices

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Portland?

You are more likely to see cheaper flights to Portland from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $469 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Washington, D.C. Dulles Intl Airport for as low as $376 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl Airport to Portland flights?

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Portland flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Portland.

How have Washington, D.C. Dulles Intl Airport to Portland flight prices changed over time?

As of August 2026, prices for Washington, D.C. Dulles Intl Airport to Portland flights are approximately 8% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Portland according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Portland (IAD to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Portland

Best Price Found	$253
Fastest flight time	5h 37m
Direct flights	Every day
Airports in Portland	1 airport

The best one-way flight to Portland from Washington, D.C. Dulles Intl Airport in the past 72 hours is $253. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Portland found on momondo in the last 72 hours is $447.

The fastest flight from Washington, D.C. Dulles Intl Airport to Portland takes 5h 37m

Direct flights go from Washington, D.C. Dulles Intl Airport to Portland every day.

There is 1 airport in Portland. From Washington, D.C. Dulles Intl Airport there are direct flights to Portland (PDX).

Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Portland

How far is Washington, D.C. Dulles Intl to Portland by plane?
The straight-line distance from Washington, D.C. Dulles Intl to Portland is 2324.3 mi. 5h 37m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Portland Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Portland Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Portland Airport?
As of August 2026, there are 3 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Portland Airport.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Portland Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Portland?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. Dulles Intl Airport to Portland is Boeing 737-800 Passenger/BBJ2 (winglets), representing 36.83% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 24.75%, Boeing 737-900 at 13.07%, and Boeing 737 MAX 8 at 9.90%.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Portland?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. Dulles Intl Airport to Portland is United Airlines, representing 85% of all bookings. The subsequent popular airlines are Alaska Airlines at 8% and Delta at 7%.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Portland

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Portland with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $226	Free Cancellation	Rating 7.8 8,487 reviews	Search Delta flights
Alaska Airlines	PriceFrom $276	Free Cancellation	Rating 7.9 12,764 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $297	Free Cancellation	Rating 7.4 10,060 reviews	Search United Airlines flights

United Airlines Flights From Washington, D.C. Dulles Intl Airport to Portland
The lowest priced United Airlines flight from Washington, D.C. Dulles Intl Airport to Portland from the last 72 hours was $297. Generally, United Airlines has 5 flights on this route every week with an average price of $513. United Airlines is rated 7.4/10 by our users.

Lincoln City

Seaside

Vancouver

Cannon Beach

Salem

Astoria

Long Beach

Beaverton

Rockaway Beach

Hillsboro

Tigard

Depoe Bay

Longview

Hood River

Newberg

Clackamas

Troutdale

Gresham

Kelso

Wilsonville

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Portland?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Portland. Millions of users trust and use momondo every year so you are in good hands.

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 helps you find the best flight between Washington, D.C. and Portland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Portland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.

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Cheap flights from Washington, D.C. Dulles Intl Airport to Portland from $202

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Frontier flights from Washington, D.C. Dulles Intl Airport to Portland

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Portland flight tickets

American Airlines flights from Washington, D.C. Dulles Intl Airport to Portland

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Portland flight tickets

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See travel insights to Portland from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Portland

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Portland?

What is the cheapest month to fly to Portland?

What is the cheapest day to depart on your flight to Portland?

What is the cheapest time of day to depart on your flight to Portland?

What is the cheapest Washington, D.C. Dulles Intl to Portland flight route?

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Portland?

What cabin class options are available on Washington, D.C. Dulles Intl Airport to Portland flights?

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Portland flights?

How have Washington, D.C. Dulles Intl Airport to Portland flight prices changed over time?

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Portland?

What airlines fly to Portland?

Which airport is the most popular layover for flights between Washington, D.C. Dulles Intl Airport and Portland?

Which layover airport offers the lowest fares from Washington, D.C. Dulles Intl Airport to Portland?

Which layover airport has the shortest travel time from Washington, D.C. Dulles Intl Airport to Portland?

Which layover airport has the shortest connection time from Washington, D.C. Dulles Intl Airport to Portland?

How many flights depart from Washington, D.C. Dulles Intl Airport to Portland on average per week?

When to book flights from Washington, D.C. Dulles Intl Airport to Portland

Cheap Washington, D.C. Dulles Intl Airport to Portland (IAD to PDX) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Portland

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Portland

Best airlines flying from Washington, D.C. Dulles Intl Airport to Portland

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Portland with momondo

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