What airlines fly to Washington, D.C.?

United Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to Washington, D.C. from Portland according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 7 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

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

Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 6h 25m.

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

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

How many flights depart from Portland to Washington, D.C. on average per day?

3 flights are operational daily from Portland to Washington, D.C. as of June 2026. The most popular departure time for this route is 7:00AM, with 60% of flights per day taking off at noon.

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

Flights via Denver (DEN) offer the lowest average round-trip price of $286.

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

The number of flights available between Portland and Washington, D.C. is 25 per week as of June 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

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

Detroit (DTW) has the shortest average layover time for this route: 0h 57m.

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

Denver (DEN) was the most common stop: 62% of momondo users choosing 1-stop flights on this route connected there.

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

Prices for flights from Portland Airport to Washington, D.C. are updated daily.

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

As of June 2026, there are 7 operators available to choose from for flights from Portland Airport to Washington, D.C..

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

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 Portland Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The travel and health documents required for your trip to Washington, D.C. 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 Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$107 Cheap Flights from Portland to Washington, D.C. in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $787 to $415. The lowest price recently found on this route was $233.

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:25 pm - 6:30 am

PDX

BWI

9h 05m

1 stop

10:10 am - 3:10 pm

BWI

PDX

8h 00m

1 stop

$233Southwest

Tue, Aug 25 - Sat, Aug 29

7:30 am - 3:40 pm

PDX

BWI

5h 10mnonstop

4:43 pm - 7:15 pm

BWI

PDX

5h 32mnonstop

$258Alaska Airlines

Tue, Aug 25 - Wed, Sep 2

5:50 am - 4:30 pm

PDX

BWI

7h 40m

1 stop

8:10 am - 10:40 am

BWI

PDX

5h 30mnonstop

$268Southwest

Tue, Sep 15 - Tue, Sep 22

10:55 pm - 9:24 am

PDX

BWI

7h 29m

1 stop

11:52 am - 6:56 pm

BWI

PDX

10h 04m

1 stop

$296Delta

Tue, Jul 7 - Wed, Jul 15

11:20 pm - 8:54 am

PDX

BWI

6h 34m

1 stop

7:39 am - 12:09 pm

BWI

PDX

7h 30m

1 stop

$300Delta

Sun, Aug 23 - Wed, Sep 2

11:27 pm - 12:00 pm

PDX

DCA

9h 33m

1 stop

1:25 pm - 10:32 pm

DCA

PDX

12h 07m

1 stop

$382JetBlue

Sun, Aug 9 - Fri, Aug 21

2:20 pm - 2:30 pm

PDX

DCA

21h 10m

1 stop

1:25 pm - 10:32 pm

DCA

PDX

12h 07m

1 stop

$386JetBlue

Tue, Aug 11 - Fri, Aug 14

5:49 pm - 8:20 am

PDX

IAD

11h 31m

1 stop

9:50 am - 4:54 pm

IAD

PDX

10h 04m

1 stop

$390Frontier

Mon, Jul 20 - Fri, Jul 24

5:16 pm - 12:51 pm

PDX

DCA

16h 35m

1 stop

7:00 am - 4:31 pm

DCA

PDX

12h 31m

1 stop

$391Frontier

Tue, Jul 7 - Tue, Jul 14

6:27 am - 6:27 pm

PDX

IAD

9h 00m

1 stop

6:09 am - 12:48 pm

IAD

PDX

9h 39m

1 stop

$397American Airlines

Sat, Aug 22 - Wed, Aug 26

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Sun Country Air flights from Portland to Washington, D.C.

Our best Sun Country Air deals on Portland to Washington, D.C. flight tickets

Sun Country Air

Nov 24

PDX6:12 pmPortland

14h 39m

1 stop

IAD11:51 amWashington, D.C. Dulles Intl

Nov 30

IAD6:15 pmWashington, D.C. Dulles Intl

20h 18m

1 stop

PDX11:33 amPortland

$455

Sun Country Air

Jun 29

PDX11:59 pmPortland

8h 25m

1 stop

BWI11:24 amBaltimore/Washington

Jul 12

BWI12:31 pmBaltimore/Washington

13h 12m

1 stop

PDX10:43 pmPortland

$515

Sun Country Air

Jun 24

PDX6:28 pmPortland

20h 29m

1 stop

IAD5:57 pmWashington, D.C. Dulles Intl

Jul 7

IAD1:14 pmWashington, D.C. Dulles Intl

7h 15m

1 stop

PDX5:29 pmPortland

$535

Frontier flights from Portland to Washington, D.C.

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

Frontier

Jul 20

PDX5:49 pmPortland

11h 31m

1 stop

IAD8:20 amWashington, D.C. Dulles Intl

Jul 24

IAD9:50 amWashington, D.C. Dulles Intl

10h 04m

1 stop

PDX4:54 pmPortland

$390

Frontier

Aug 25

PDX5:42 pmPortland

13h 34m

2 stops

IAD10:16 amWashington, D.C. Dulles Intl

Aug 30

IAD9:20 amWashington, D.C. Dulles Intl

11h 04m

1 stop

PDX5:24 pmPortland

$393

Frontier

Jul 10

PDX12:20 pmPortland

21h 31m

1 stop

DCA12:51 pmWashington, D.C. Reagan-National

Jul 16

DCA1:59 pmWashington, D.C. Reagan-National

29h 52m

1 stop

PDX4:51 pmPortland

$394

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Tue 8/25

6:25 pm-6:30 am

1 stop9h 05m

Baltimore/Washington

Sat 8/29

10:10 am-3:10 pm

1 stop8h 00m

$233

Quickest round-trip

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Tue 8/25

7:30 am-3:40 pm

Nonstop5h 10m

Baltimore/Washington

Wed 9/2

4:43 pm-7:15 pm

Nonstop5h 32m

$258

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Tue 9/15

5:50 am-4:30 pm

1 stop7h 40m

Baltimore/Washington

Tue 9/22

8:10 am-10:40 am

Nonstop5h 30m

$268

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Tue 7/7

10:55 pm-9:24 am

1 stop7h 29m

Baltimore/Washington

Wed 7/15

11:52 am-6:56 pm

1 stop10h 04m

$296

PortlandBaltimore

PDX - BWI

PDXBWI

Portland

Sun 8/23

11:20 pm-8:54 am

1 stop6h 34m

Baltimore/Washington

Wed 9/2

7:39 am-12:09 pm

1 stop7h 30m

$300

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Sun 8/9

11:27 pm-12:00 pm

1 stop9h 33m

Washington, D.C. Reagan-National

Fri 8/21

1:25 pm-10:32 pm

1 stop12h 07m

$382

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Tue 8/11

2:20 pm-2:30 pm

1 stop21h 10m

Washington, D.C. Reagan-National

Fri 8/14

1:25 pm-10:32 pm

1 stop12h 07m

$386

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Mon 7/20

5:49 pm-8:20 am

1 stop11h 31m

Washington, D.C. Dulles Intl

Fri 7/24

9:50 am-4:54 pm

1 stop10h 04m

$390

PortlandWashington, D.C.

PDX - DCA

PDXDCA

Portland

Tue 7/7

5:16 pm-12:51 pm

1 stop16h 35m

Washington, D.C. Reagan-National

Tue 7/14

7:00 am-4:31 pm

1 stop12h 31m

$391

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

Sat 8/22

6:27 am-6:27 pm

1 stop9h 00m

Washington, D.C. Dulles Intl

Wed 8/26

6:09 am-12:48 pm

1 stop9h 39m

$397

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 Portland to Washington, D.C.

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 Portland and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

The month of September is, on average, the cheapest month to fly to Washington, D.C. from Portland, with most prices found around $113. If you’re not able to fly to Washington, D.C. in September, then July is your next best option. Flight prices from Portland to Washington, D.C. during July average around $116.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Portland is on a Thursday. momondo users have found tickets for Thursday departures for as low as $488. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Washington, D.C. for around $657.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the evening is the cheapest time of day to fly from Portland to Washington, D.C. when you can find flight prices for as low as $524. Flying to Washington, D.C. in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $554. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Portland to Baltimore/Washington for the best Portland - Washington, D.C. flight prices

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

You are more likely to see cheaper flights to Washington, D.C. from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $429 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Portland for as low as $328 on momondo.

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

There are 4 cabin classes available to choose from on Portland to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of June 2026, prices for Portland to Washington, D.C. flights are approximately 68% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Washington, D.C.

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

Estimated round-trip price

Cheap Portland to Washington, D.C. (PDX to WAS) flight deals and tips

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

Best Price Found	$177
Fastest flight time	4h 48m
Direct flights	Every day
Airports in Washington, D.C.	2 airports

The best one-way flight to Washington, D.C. from Portland in the past 72 hours is $177. The best round-trip flight deal from Portland to Washington, D.C. found on momondo in the last 72 hours is $420.

The fastest flight from Portland to Washington, D.C. takes 4h 48m

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

There are 2 airports in Washington, D.C.. From Portland there are direct flights to Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD).

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

How far is Portland to Washington, D.C. by plane?
A flight from Portland to Washington, D.C. will travel around 2345.6 mi. A reasonable flight in good conditions will take 4h 48m.
When did momondo last update prices for flights from Portland Airport to Washington, D.C.?
Prices for flights from Portland Airport to Washington, D.C. are updated daily.
How many operators does momondo search for flights from Portland Airport to Washington, D.C.?
As of June 2026, there are 7 operators available to choose from for flights from Portland Airport to Washington, D.C..
How old do you have to be to fly from Portland Airport to Washington, D.C.?
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 Portland Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents required for your trip to Washington, D.C. 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 Washington, D.C.. 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 Portland to Washington, D.C.?
momondo data reveals that the most frequently booked plane model on the route from Portland to Washington, D.C. is Boeing 737-800 Passenger/BBJ2 (winglets), representing 44.87% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 25.00%, Boeing 737 at 7.05%, and Boeing 737-900 at 6.94%.
What is the most popular airline from Portland to Washington, D.C.?
Based on momondo bookings for flights between Portland and Washington, D.C., the leading airline is United Airlines, making up 40% of the total bookings. Other popular airlines include Alaska Airlines with 38%, Delta with 10%, and Frontier with 4%.

Best airlines flying from Portland to Washington, D.C.

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $132	Free Cancellation	Rating 5.6 2,881 reviews	Search Frontier flights
Delta	PriceFrom $138	Free Cancellation	Rating 7.8 8,406 reviews	Search Delta flights
Southwest	PriceFrom $183	Free Cancellation	Rating 7.9 4,235 reviews	Search Southwest flights
Hawaiian Airlines	PriceFrom $199	Free Cancellation	Rating 7.8 2,829 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $220	Free Cancellation	Rating 7.9 12,528 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $229	Free Cancellation	Rating 7.1 11,668 reviews	Search American Airlines flights
United Airlines	PriceFrom $253	Free Cancellation	Rating 7.4 9,844 reviews	Search United Airlines flights

Alaska Airlines Flights From Portland to Washington, D.C.
Alaska Airlines flight deals from Portland to Washington, D.C. start from $220 round-trip. Over the 6 Alaska Airlines flights for this route in a normal week, average airfare is usually $506 round-trip - but some users have found much cheaper deals with momondo.
United Airlines Flights From Portland to Washington, D.C.
Another popular option for Portland to Washington, D.C. flights is United Airlines (7.4/10, 9,844 ratings). United Airlines flies from Portland to Washington, D.C. around 5 times per week, with deals starting from $253 round-trip and rising to an average price of around $438.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Fredericksburg

Gaithersburg

Colonial Beach

Rockville

Linthicum Heights

Silver Spring

Towson

Manassas

Tysons

Springfield

Bethesda

Fairfax

College Park

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Portland.

Can I find flights from Portland to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Portland with this policy.

How can momondo help me find flights from Portland to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Washington, D.C..

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

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

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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Portland to Washington, D.C. from $107

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Washington, D.C. departing on 9/9. 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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Sun Country Air flights from Portland to Washington, D.C.

Our best Sun Country Air deals on Portland to Washington, D.C. flight tickets

Frontier flights from Portland to Washington, D.C.

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

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See travel insights to Washington, D.C. from

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

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

What is the cheapest month to fly to Washington, D.C.?

What is the cheapest day to depart on your flight to Washington, D.C.?

What is the cheapest time of day to depart on your flight to Washington, D.C.?

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

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

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

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

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

What airlines fly to Washington, D.C.?

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

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

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

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

How many flights depart from Portland to Washington, D.C. on average per day?

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

When to book flights from Portland to Washington, D.C.

Cheap Portland to Washington, D.C. (PDX to WAS) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Washington, D.C.

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

Best airlines flying from Portland to Washington, D.C.

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

Alaska Airlines Flights From Portland to Washington, D.C.

United Airlines Flights From Portland to Washington, D.C.

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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