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

Southwest and Delta are the most popular carriers operating from Portland to Washington, D.C. Reagan-National

What airlines fly to Washington, D.C. Reagan-National Airport?

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from Portland according to our data. Alaska Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 6 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Portland Airport to Washington, D.C. Reagan-National Airport refresh daily.

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

There are 6 operators available for flights from Portland Airport to Washington, D.C. Reagan-National Airport as of September 2026.

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

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$159 Cheap Flights from Portland to Washington, D.C. Reagan-National Airport in 2026

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

As of September 2026, there are 8 flights per week flying from Portland to Washington, D.C. Reagan-National Airport. The most common day of the week flights depart is Thu, with 25% of flights taking off on this day.

Q: How many flights depart from Portland to Washington, D.C. Reagan-National Airport on average per day?

The number of flights available between Portland and Washington, D.C. Reagan-National Airport is 1 per day as of September 2026. The most frequent departure time is 7:00AM, with 100% of daily flights leaving at noon.

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.

11:49 am - 9:59 pmPDX Portland-DCA Washington, D.C. Reagan-National

7h 10m1 stop Denver Intl

6:00 pm - 10:54 amDCA Washington, D.C. Reagan-National-PDX Portland

19h 54m1 stop Denver Intl

$324Frontier

Tue, Oct 20 - Sat, Oct 24

11:49 am - 9:59 pmPDX Portland-DCA Washington, D.C. Reagan-National

7h 10m1 stop Denver Intl

6:00 pm - 10:54 amDCA Washington, D.C. Reagan-National-PDX Portland

19h 54m1 stop Denver Intl

$332Frontier

Tue, Oct 20 - Sat, Oct 24

5:15 am - 3:40 pmPDX Portland-DCA Washington, D.C. Reagan-National

7h 25m1 stop Seattle/Tacoma Intl

4:40 pm - 11:32 pmDCA Washington, D.C. Reagan-National-PDX Portland

9h 52m1 stop Seattle/Tacoma Intl

$343Delta

Wed, Dec 30 - Tue, Jan 5

5:30 am - 3:13 pmPDX Portland-DCA Washington, D.C. Reagan-National

6h 43m1 stop Seattle/Tacoma Intl

4:25 pm - 9:57 pmDCA Washington, D.C. Reagan-National-PDX Portland

8h 32m1 stop Seattle/Tacoma Intl

$343Delta

Wed, Nov 11 - Sun, Nov 15

7:30 am - 9:59 pmPDX Portland-DCA Washington, D.C. Reagan-National

11h 29m1 stop Seattle/Tacoma Intl

8:00 am - 10:17 pmDCA Washington, D.C. Reagan-National-PDX Portland

17h 17m1 stop Seattle/Tacoma Intl

$373Alaska Airlines

Sat, Feb 6 - Wed, Feb 10

7:09 am - 9:59 pmPDX Portland-DCA Washington, D.C. Reagan-National

11h 50m1 stop Seattle/Tacoma Intl

8:00 am - 9:56 pmDCA Washington, D.C. Reagan-National-PDX Portland

16h 56m1 stop Seattle/Tacoma Intl

$403Alaska Airlines

Wed, Oct 21 - Tue, Oct 27

12:02 pm - 9:50 pmPDX Portland-DCA Washington, D.C. Reagan-National

6h 48m1 stop Denver Intl

10:59 am - 8:30 pmDCA Washington, D.C. Reagan-National-PDX Portland

12h 31m2 stops San Diego Sacramento Intl

$427Multiple Airlines

Tue, Nov 10 - Sat, Nov 14

11:49 am - 9:59 pmPDX Portland-DCA Washington, D.C. Reagan-National

7h 10m1 stop Denver Intl

10:59 am - 6:18 pmDCA Washington, D.C. Reagan-National-PDX Portland

10h 19m1 stop San Diego

$431Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

6:00 am - 4:15 pmPDX Portland-DCA Washington, D.C. Reagan-National

7h 15m1 stop Chicago Midway

6:50 pm - 11:20 pmDCA Washington, D.C. Reagan-National-PDX Portland

7h 30m1 stop Chicago Midway

$437Southwest

Tue, Nov 17 - Thu, Nov 19

7:00 am - 4:35 pmPDX Portland-DCA Washington, D.C. Reagan-National

6h 35m1 stop Chicago Midway

3:35 pm - 11:20 pmDCA Washington, D.C. Reagan-National-PDX Portland

10h 45m1 stop Chicago Midway

$437Southwest

Thu, Nov 26 - Tue, Dec 1

Cheap last minute flights

Enter your travel dates to find the best prices.

12:38 pm - 4:59 pmPDX Portland-DCA Washington, D.C. Reagan-National

25h 21m1 stop Denver Intl

6:00 pm - 11:43 amDCA Washington, D.C. Reagan-National-PDX Portland

20h 43m1 stop Denver Intl

$426Frontier

Fri, Sep 11 - Sat, Sep 19

12:38 pm - 12:11 pmPDX Portland-DCA Washington, D.C. Reagan-National

20h 33m1 stop Denver Intl

6:00 pm - 11:43 amDCA Washington, D.C. Reagan-National-PDX Portland

20h 43m1 stop Denver Intl

$426Frontier

Sun, Sep 13 - Sat, Sep 19

7:52 am - 4:00 pmPDX Portland-DCA Washington, D.C. Reagan-National

5h 08mnonstop

5:27 pm - 8:09 pmDCA Washington, D.C. Reagan-National-PDX Portland

5h 42mnonstop

$503Alaska Airlines

Fri, Sep 11 - Sun, Sep 13

12:38 pm - 12:11 pmPDX Portland-DCA Washington, D.C. Reagan-National

20h 33m1 stop Denver Intl

7:00 am - 8:59 pmDCA Washington, D.C. Reagan-National-PDX Portland

16h 59m2 stops Denver Intl Minneapolis St Paul

$510Multiple Airlines

Fri, Sep 11 - Sat, Sep 19

12:38 pm - 12:11 pmPDX Portland-DCA Washington, D.C. Reagan-National

20h 33m1 stop Denver Intl

7:00 am - 8:59 pmDCA Washington, D.C. Reagan-National-PDX Portland

16h 59m2 stops Denver Intl Minneapolis St Paul

$511Multiple Airlines

Thu, Sep 10 - Sat, Sep 19

1:42 pm - 11:59 pmPDX Portland-DCA Washington, D.C. Reagan-National

7h 17m1 stop Minneapolis St Paul

6:10 am - 11:35 amDCA Washington, D.C. Reagan-National-PDX Portland

8h 25m1 stop New York John F Kennedy Intl

$718Delta

Sat, Sep 12 - Fri, Sep 18

10:00 pm - 10:06 amPDX Portland-DCA Washington, D.C. Reagan-National

9h 06m1 stop New York John F Kennedy Intl

4:41 pm - 10:27 pmDCA Washington, D.C. Reagan-National-PDX Portland

8h 46m1 stop Los Angeles

$718Delta

Fri, Sep 11 - Fri, Sep 18

9:44 pm - 10:53 amPDX Portland-DCA Washington, D.C. Reagan-National

10h 09m1 stop Charlotte Douglas

6:19 pm - 12:07 amDCA Washington, D.C. Reagan-National-PDX Portland

8h 48m1 stop Chicago O'Hare Intl

$718American Airlines

Sat, Sep 12 - Fri, Sep 18

9:44 pm - 10:53 amPDX Portland-DCA Washington, D.C. Reagan-National

10h 09m1 stop Charlotte Douglas

6:19 pm - 12:07 amDCA Washington, D.C. Reagan-National-PDX Portland

8h 48m1 stop Chicago O'Hare Intl

$718American Airlines

Sat, Sep 12 - Fri, Sep 18

7:52 am - 4:00 pmPDX Portland-DCA Washington, D.C. Reagan-National

5h 08mnonstop

5:27 pm - 8:09 pmDCA Washington, D.C. Reagan-National-PDX Portland

5h 42mnonstop

$771Alaska Airlines

Thu, Sep 10 - Mon, Sep 14

Cheap direct flights

Enter your travel dates to find the best prices.

8:18 am - 4:11 pmPDX Portland-DCA Washington, D.C. Reagan-National

4h 53mnonstop

5:15 pm - 8:13 pmDCA Washington, D.C. Reagan-National-PDX Portland

5h 58mnonstop

$480Alaska Airlines

Wed, Nov 18 - Mon, Nov 23

8:00 am - 4:04 pmPDX Portland-DCA Washington, D.C. Reagan-National

5h 04mnonstop

5:15 pm - 8:25 pmDCA Washington, D.C. Reagan-National-PDX Portland

6h 10mnonstop

$480Alaska Airlines

Sun, Dec 13 - Mon, Jan 4

8:04 am - 4:00 pmPDX Portland-DCA Washington, D.C. Reagan-National

4h 56mnonstop

5:05 pm - 8:08 pmDCA Washington, D.C. Reagan-National-PDX Portland

6h 03mnonstop

$495Alaska Airlines

Sat, Feb 6 - Wed, Feb 10

7:52 am - 4:00 pmPDX Portland-DCA Washington, D.C. Reagan-National

5h 08mnonstop

5:25 pm - 8:12 pmDCA Washington, D.C. Reagan-National-PDX Portland

5h 47mnonstop

$495Alaska Airlines

Tue, Sep 29 - Tue, Oct 6

7:55 am - 4:00 pmPDX Portland-DCA Washington, D.C. Reagan-National

5h 05mnonstop

5:25 pm - 8:12 pmDCA Washington, D.C. Reagan-National-PDX Portland

5h 47mnonstop

$495Alaska Airlines

Sat, Oct 3 - Tue, Oct 6

7:55 am - 4:00 pmPDX Portland-DCA Washington, D.C. Reagan-National

5h 05mnonstop

5:25 pm - 8:12 pmDCA Washington, D.C. Reagan-National-PDX Portland

5h 47mnonstop

$495Alaska Airlines

Sat, Oct 17 - Sat, Oct 24

7:55 am - 4:00 pmPDX Portland-DCA Washington, D.C. Reagan-National

5h 05mnonstop

5:25 pm - 8:12 pmDCA Washington, D.C. Reagan-National-PDX Portland

5h 47mnonstop

$495Alaska Airlines

Fri, Oct 16 - Sat, Oct 24

7:55 am - 4:00 pmPDX Portland-DCA Washington, D.C. Reagan-National

5h 05mnonstop

5:25 pm - 8:12 pmDCA Washington, D.C. Reagan-National-PDX Portland

5h 47mnonstop

$495Alaska Airlines

Tue, Oct 20 - Sat, Oct 24

8:06 am - 4:00 pmPDX Portland-DCA Washington, D.C. Reagan-National

4h 54mnonstop

5:15 pm - 8:13 pmDCA Washington, D.C. Reagan-National-PDX Portland

5h 58mnonstop

$495Alaska Airlines

Fri, Nov 20 - Mon, Nov 23

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Delta flights from Portland to Washington, D.C. Reagan-National Airport

Our best Delta deals on Portland to Washington, D.C. Reagan-National Airport flight tickets

Delta

Nov 11

PDX5:30 amPortland

6h 43m

1 stop

DCA3:13 pmWashington, D.C. Reagan-National

Nov 15

DCA4:25 pmWashington, D.C. Reagan-National

8h 32m

1 stop

PDX9:57 pmPortland

$343

Delta

Nov 13

PDX5:30 amPortland

6h 43m

1 stop

DCA3:13 pmWashington, D.C. Reagan-National

Nov 16

DCA5:28 pmWashington, D.C. Reagan-National

9h 08m

2 stops

PDX11:36 pmPortland

$348

Delta

Feb 6

PDX6:40 amPortland

8h 36m

2 stops

DCA6:16 pmWashington, D.C. Reagan-National

Feb 10

DCA6:00 amWashington, D.C. Reagan-National

10h 08m

2 stops

PDX1:08 pmPortland

$353

Frontier flights from Portland to Washington, D.C. Reagan-National Airport

Our best Frontier deals on Portland to Washington, D.C. Reagan-National Airport flight tickets

Frontier

Oct 20

PDX11:49 amPortland

7h 10m

1 stop

DCA9:59 pmWashington, D.C. Reagan-National

Oct 24

DCA6:00 pmWashington, D.C. Reagan-National

19h 54m

1 stop

PDX10:54 amPortland

$324

Frontier

Oct 20

PDX11:49 amPortland

7h 10m

1 stop

DCA9:59 pmWashington, D.C. Reagan-National

Oct 24

DCA6:00 pmWashington, D.C. Reagan-National

19h 54m

1 stop

PDX10:54 amPortland

$332

Frontier

Oct 22

PDX11:49 amPortland

7h 10m

1 stop

DCA9:59 pmWashington, D.C. Reagan-National

Oct 26

DCA6:00 pmWashington, D.C. Reagan-National

20h 07m

1 stop

PDX11:07 amPortland

$338

momondo Fare Finder

Use the filters below to find and compare flights from Portland to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandWashington, D.C.

PDX Portland - DCA Washington, D.C. Reagan-National

PDXDCA

Portland

Tue 10/20

11:49 am-9:59 pm

1 stop7h 10m

Washington, D.C. Reagan-National

Sat 10/24

6:00 pm-10:54 am

1 stop19h 54m

$324

PortlandWashington, D.C.

PDX Portland - DCA Washington, D.C. Reagan-National

PDXDCA

Portland

Tue 10/20

11:49 am-9:59 pm

1 stop7h 10m

Washington, D.C. Reagan-National

Sat 10/24

6:00 pm-10:54 am

1 stop19h 54m

$332

PortlandWashington, D.C.

PDX Portland - DCA Washington, D.C. Reagan-National

PDXDCA

Portland

Wed 12/30

5:15 am-3:40 pm

1 stop7h 25m

Washington, D.C. Reagan-National

Tue 1/5

4:40 pm-11:32 pm

1 stop9h 52m

$343

PortlandWashington, D.C.

PDX Portland - DCA Washington, D.C. Reagan-National

PDXDCA

Portland

Wed 11/11

5:30 am-3:13 pm

1 stop6h 43m

Washington, D.C. Reagan-National

Sun 11/15

4:25 pm-9:57 pm

1 stop8h 32m

$343

PortlandWashington, D.C.

PDX Portland - DCA Washington, D.C. Reagan-National

PDXDCA

Portland

Sat 2/6

7:30 am-9:59 pm

1 stop11h 29m

Washington, D.C. Reagan-National

Wed 2/10

8:00 am-10:17 pm

1 stop17h 17m

$373

PortlandWashington, D.C.

PDX Portland - DCA Washington, D.C. Reagan-National

PDXDCA

Portland

Wed 10/21

7:09 am-9:59 pm

1 stop11h 50m

Washington, D.C. Reagan-National

Tue 10/27

8:00 am-9:56 pm

1 stop16h 56m

$403

PortlandWashington, D.C.

PDX Portland - DCA Washington, D.C. Reagan-National

PDXDCA

Portland

Tue 11/10

12:02 pm-9:50 pm

1 stop6h 48m

Washington, D.C. Reagan-National

Sat 11/14

10:59 am-8:30 pm

2 stops12h 31m

$427

PortlandWashington, D.C.

PDX Portland - DCA Washington, D.C. Reagan-National

PDXDCA

Portland

Tue 10/20

11:49 am-9:59 pm

1 stop7h 10m

Washington, D.C. Reagan-National

Tue 10/27

10:59 am-6:18 pm

1 stop10h 19m

$431

Quickest round-trip

PortlandWashington, D.C.

PDX Portland - DCA Washington, D.C. Reagan-National

PDXDCA

Portland

Tue 11/17

6:00 am-4:15 pm

1 stop7h 15m

Washington, D.C. Reagan-National

Thu 11/19

6:50 pm-11:20 pm

1 stop7h 30m

$437

PortlandWashington, D.C.

PDX Portland - DCA Washington, D.C. Reagan-National

PDXDCA

Portland

Thu 11/26

7:00 am-4:35 pm

1 stop6h 35m

Washington, D.C. Reagan-National

Tue 12/1

3:35 pm-11:20 pm

1 stop10h 45m

$437

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. Reagan-National Airport

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

Other information

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

Prices are currently low for flights on this route.

Typical prices usually range from $380 to $667.
The lowest price recently found on this route was $324.

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of February is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Portland, with most prices found around $409. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $437.

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

The cheapest day to depart from Portland to Washington, D.C. Reagan-National Airport is on a Saturday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Saturday will often find tickets for as low as $504. Flights from Portland to Washington, D.C. Reagan-National Airport on a Monday will generally be more expensive and average around $777. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Fly from Portland to Washington, D.C. Reagan-National for the best Portland - Washington, D.C. Reagan-National flight prices

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

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $540 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Portland for as low as $389 on momondo.

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

There are 4 cabin classes available to choose from on Portland to Washington, D.C. Reagan-National Airport 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 Portland to Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 40% on your flight if you consider stops on a Portland to Washington, D.C. Reagan-National Airport flight.

How have Portland to Washington, D.C. Reagan-National Airport flight prices changed over time?

As of September 2026, prices for Portland to Washington, D.C. Reagan-National Airport flights are approximately 56% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Washington, D.C. Reagan-National Airport 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. Reagan-National Airport (PDX to DCA) flight deals and tips

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

Best Price Found	$159
Fastest flight time	4h 53m
Direct flights	Every day

The best one-way flight to Washington, D.C. Reagan-National Airport from Portland in the past 72 hours is $159. The best round-trip flight deal from Portland to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $324.

The fastest flight from Portland to Washington, D.C. Reagan-National Airport takes 4h 53m

Direct flights go from Portland to Washington, D.C. Reagan-National Airport every day.

Search flight deals

Frequently asked questions about flying from Portland to Washington, D.C. Reagan-National Airport

How far is Portland to Washington, D.C. Reagan-National by plane?
A flight from Portland to Washington, D.C. Reagan-National will travel around 2347.1 mi. In terms of flight time, this usually takes a little over 4h 53m.
When did momondo last update prices for flights from Portland Airport to Washington, D.C. Reagan-National Airport?
Prices for flights from Portland Airport to Washington, D.C. Reagan-National Airport refresh daily.
How many operators does momondo search for flights from Portland Airport to Washington, D.C. Reagan-National Airport?
There are 6 operators available for flights from Portland Airport to Washington, D.C. Reagan-National Airport as of September 2026.
How old do you have to be to fly from Portland Airport to Washington, D.C. Reagan-National 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 Portland Airport to Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Portland to Washington, D.C. Reagan-National Airport?
momondo data reveals that the most frequently booked plane model on the route from Portland to Washington, D.C. Reagan-National Airport is Boeing 737-800 Passenger/BBJ2 (winglets), representing 51.27% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 24.37%, Boeing 737 at 7.61%, and Boeing 737-800 at 5.08%.
What is the most popular airline from Portland to Washington, D.C. Reagan-National Airport?
Based on momondo bookings for flights between Portland and Washington, D.C. Reagan-National Airport, the leading airline is Alaska Airlines, making up 55% of the total bookings. Other popular airlines include Delta with 18%, United Airlines with 10%, and American Airlines with 9%.

Best airlines flying from Portland to Washington, D.C. Reagan-National Airport

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $123	Free Cancellation	Rating 5.6 2,614 reviews	Search Frontier flights
Delta	PriceFrom $168	Free Cancellation	Rating 7.8 8,548 reviews	Search Delta flights
American Airlines	PriceFrom $285	Free Cancellation	Rating 7.1 12,042 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $318	Free Cancellation	Rating 7.9 12,887 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $336	Free Cancellation	Rating 7.4 10,175 reviews	Search United Airlines flights
Southwest	PriceFrom $346	Free Cancellation	Rating 8.0 4,195 reviews	Search Southwest flights

Alaska Airlines Flights From Portland to Washington, D.C. Reagan-National Airport
Alaska Airlines flies from Portland to Washington, D.C. Reagan-National Airport around 8 times per week, with 12,887 momondo users rating the airline 7.9/10. The cheapest Alaska Airlines deal from Portland to Washington, D.C. Reagan-National Airport in the last 72 hours was $318 (round-trip), much lower than the average airfare cost of $605 for Alaska Airlines flights on this route.

Alexandria

National Harbor

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Gettysburg

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Waldorf

Fredericksburg

Woodbridge

Gaithersburg

Linthicum Heights

Rockville

Silver Spring

Towson

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Fairfax

Colonial Beach

Edgewood

Glen Burnie

Tysons

College Park

Why use momondo?

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

Finding the right flight to Washington, D.C. from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

All flight searches from Portland to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Portland and Washington, D.C. 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 Portland to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portland to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Portland to Washington, D.C. from $159

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 11/5. 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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Delta flights from Portland to Washington, D.C. Reagan-National Airport

Our best Delta deals on Portland to Washington, D.C. Reagan-National Airport flight tickets

Frontier flights from Portland to Washington, D.C. Reagan-National Airport

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