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Cheap flights from Portland to Washington, D.C. Dulles Intl Airport from $142

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. Dulles Intl Airport departing on 5/2. 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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Find the cheapest flights from Portland to Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from Portland to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Portland to Washington, D.C..

Cheap last minute flights

Planning a quick getaway from Portland to Washington, D.C.? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Washington, D.C., so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Portland to Washington, D.C.

Find recent round-trip train or bus tickets from Portland to Washington, D.C..

All round-trip flight deals from Portland to Washington, D.C.

The cheapest plane tickets from Portland to Washington, D.C. found on KAYAK recently.
7:46 am - 8:51 pmPDX-IAD
10h 05m1 stop
5:10 pm - 8:00 pmIAD-PDX
5h 50mnonstop
$303United Airlines
Find Deal
Tue, Mar 4 - Tue, Mar 11
11:38 pm - 7:28 amPDX-IAD
4h 50mnonstop
3:58 pm - 10:55 pmIAD-PDX
9h 57m1 stop
$307United Airlines
Find Deal
Tue, Mar 11 - Wed, Mar 19
12:59 am - 1:47 pmPDX-IAD
9h 48m1 stop
12:05 pm - 11:29 pmIAD-PDX
14h 24m1 stop
$310Delta
Find Deal
Fri, Feb 14 - Sat, Feb 22
12:59 am - 1:47 pmPDX-IAD
9h 48m1 stop
12:05 pm - 11:29 pmIAD-PDX
14h 24m1 stop
$311Delta
Find Deal
Fri, Feb 14 - Sat, Feb 22
9:29 pm - 4:18 pmPDX-IAD
15h 49m1 stop
5:18 pm - 9:00 amIAD-PDX
18h 42m1 stop
$316Alaska Airlines
Find Deal
Sat, Feb 15 - Sat, Feb 22
10:01 pm - 8:42 amPDX-IAD
7h 41m1 stop
1:48 pm - 10:40 pmIAD-PDX
11h 52m2 stops
$322American Airlines
Find Deal
Wed, Feb 19 - Wed, Feb 26
10:01 pm - 8:42 amPDX-IAD
7h 41m1 stop
6:12 am - 1:14 pmIAD-PDX
10h 02m1 stop
$324American Airlines
Find Deal
Sat, Mar 1 - Wed, Mar 5
9:29 pm - 4:18 pmPDX-IAD
15h 49m1 stop
5:18 pm - 9:00 amIAD-PDX
18h 42m1 stop
$326Alaska Airlines
Find Deal
Sun, Feb 23 - Wed, Feb 26
5:45 am - 5:55 pmPDX-IAD
9h 10m1 stop
5:35 pm - 12:35 amIAD-PDX
10h 00m1 stop
$347Southwest
Find Deal
Mon, May 5 - Fri, May 9
5:45 am - 5:55 pmPDX-IAD
9h 10m1 stop
5:35 pm - 12:35 amIAD-PDX
10h 00m1 stop
$371Southwest
Find Deal
Thu, Apr 10 - Mon, Apr 14
5:16 pm - 8:24 amPDX-IAD
12h 08m2 stops
$142Frontier
Find Deal
Fri, May 2
5:16 pm - 8:18 amPDX-IAD
12h 02m2 stops
$143Frontier
Find Deal
Fri, Apr 25
10:27 pm - 6:17 amPDX-IAD
4h 50mnonstop
$149United Airlines
Find Deal
Sat, Mar 8
10:55 pm - 11:54 amPDX-IAD
9h 59m1 stop
$152United Airlines
Find Deal
Mon, Feb 24
8:00 am - 5:48 pmPDX-IAD
6h 48m1 stop
$158Alaska Airlines
Find Deal
Wed, Feb 19
7:29 pm - 6:19 amPDX-IAD
7h 50m1 stop
$159Delta
Find Deal
Wed, Mar 26
6:05 pm - 8:42 amPDX-IAD
11h 37m2 stops
$164American Airlines
Find Deal
Wed, Feb 19
12:59 am - 1:47 pmPDX-IAD
9h 48m1 stop
$166Delta
Find Deal
Wed, Feb 19
5:15 pm - 5:32 amPDX-IAD
9h 17m1 stop
$168Alaska Airlines
Find Deal
Fri, Mar 7
6:05 pm - 8:42 amPDX-IAD
11h 37m2 stops
$171American Airlines
Find Deal
Thu, Feb 20
7:00 am - 6:43 pmPDX-IAD
8h 43m1 stop
10:10 pm - 11:53 amIAD-PDX
16h 43m2 stops
$732United Airlines
Find Deal
Thu, Jan 23 - Thu, Jan 23
9:27 pm - 4:23 pmPDX-IAD
15h 56m2 stops
5:25 pm - 10:45 amIAD-PDX
20h 20m1 stop
$746Alaska Airlines
Find Deal
Thu, Jan 23 - Fri, Feb 7
8:05 am - 5:57 pmPDX-IAD
6h 52m1 stop
5:25 pm - 10:45 amIAD-PDX
20h 20m1 stop
$756Alaska Airlines
Find Deal
Thu, Jan 23 - Fri, Feb 7
9:10 pm - 5:57 pmPDX-IAD
17h 47m2 stops
5:25 pm - 8:40 amIAD-PDX
18h 15m2 stops
$771Alaska Airlines
Find Deal
Thu, Jan 23 - Fri, Feb 7
4:52 pm - 5:57 pmPDX-IAD
22h 05m2 stops
5:25 pm - 8:23 amIAD-PDX
17h 58m2 stops
$795Alaska Airlines
Find Deal
Wed, Jan 22 - Wed, Jan 29
6:03 am - 7:27 pmPDX-IAD
10h 24m1 stop
10:09 pm - 6:43 pmIAD-PDX
23h 34m1 stop
$812United Airlines
Find Deal
Thu, Jan 23 - Thu, Jan 23
6:03 am - 7:27 pmPDX-IAD
10h 24m1 stop
8:33 am - 6:05 pmIAD-PDX
12h 32m1 stop
$856United Airlines
Find Deal
Wed, Jan 22 - Wed, Jan 29
7:20 am - 11:05 pmPDX-IAD
12h 45m2 stops
11:10 am - 4:20 pmIAD-PDX
8h 10m1 stop
$982Southwest
Find Deal
Thu, Jan 23 - Mon, Jan 27
5:15 am - 3:10 pmPDX-IAD
6h 55m1 stop
4:05 pm - 8:50 pmIAD-PDX
7h 45m1 stop
$989Delta
Find Deal
Fri, Jan 24 - Mon, Jan 27
1:30 pm - 11:36 pmPDX-IAD
7h 06m1 stop
5:16 pm - 11:58 pmIAD-PDX
9h 42m2 stops
$1,250Delta
Find Deal
Sat, Jan 25 - Tue, Jan 28
11:30 pm - 7:29 amPDX-IAD
4h 59mnonstop
5:30 pm - 8:15 pmIAD-PDX
5h 45mnonstop
$314United Airlines
Find Deal
Wed, Apr 2 - Sat, Apr 5
11:27 pm - 7:17 amPDX-IAD
4h 50mnonstop
5:10 pm - 8:00 pmIAD-PDX
5h 50mnonstop
$317United Airlines
Find Deal
Fri, Mar 14 - Wed, Mar 19
11:30 pm - 7:29 amPDX-IAD
4h 59mnonstop
5:30 pm - 8:15 pmIAD-PDX
5h 45mnonstop
$334United Airlines
Find Deal
Fri, Apr 4 - Sat, Apr 5
11:38 pm - 7:28 amPDX-IAD
4h 50mnonstop
5:10 pm - 8:00 pmIAD-PDX
5h 50mnonstop
$337United Airlines
Find Deal
Mon, Mar 10 - Fri, Mar 14
11:35 pm - 7:34 amPDX-IAD
4h 59mnonstop
5:30 pm - 8:25 pmIAD-PDX
5h 55mnonstop
$347United Airlines
Find Deal
Wed, May 14 - Wed, May 28
11:38 pm - 7:28 amPDX-IAD
4h 50mnonstop
5:10 pm - 8:00 pmIAD-PDX
5h 50mnonstop
$358United Airlines
Find Deal
Tue, Mar 18 - Sat, Mar 22
11:38 pm - 7:28 amPDX-IAD
4h 50mnonstop
5:10 pm - 8:00 pmIAD-PDX
5h 50mnonstop
$363United Airlines
Find Deal
Sun, Mar 9 - Sat, Mar 15
11:30 pm - 7:29 amPDX-IAD
4h 59mnonstop
5:30 pm - 8:14 pmIAD-PDX
5h 44mnonstop
$390United Airlines
Find Deal
Tue, Apr 15 - Thu, Apr 24
11:27 pm - 7:17 amPDX-IAD
4h 50mnonstop
5:30 pm - 8:14 pmIAD-PDX
5h 44mnonstop
$393United Airlines
Find Deal
Fri, Mar 28 - Tue, Apr 1
11:30 pm - 7:29 amPDX-IAD
4h 59mnonstop
5:30 pm - 8:14 pmIAD-PDX
5h 44mnonstop
$397United Airlines
Find Deal
Wed, Apr 23 - Tue, Apr 29

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

Our best Delta deals on Portland to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Feb 14
PDX12:59 amPortland
9h 48m
1 stop
IAD1:47 pmWashington, D.C. Dulles Intl
Feb 22
IAD12:05 pmWashington, D.C. Dulles Intl
14h 24m
1 stop
PDX11:29 pmPortland
Delta
Feb 14
PDX12:59 amPortland
9h 48m
1 stop
IAD1:47 pmWashington, D.C. Dulles Intl
Feb 22
IAD12:05 pmWashington, D.C. Dulles Intl
14h 24m
1 stop
PDX11:29 pmPortland
Delta
Feb 28
PDX12:59 amPortland
9h 48m
1 stop
IAD1:47 pmWashington, D.C. Dulles Intl
Mar 5
IAD7:20 amWashington, D.C. Dulles Intl
8h 08m
1 stop
PDX12:28 pmPortland

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

Our best Alaska Airlines deals on Portland to Washington, D.C. Dulles Intl Airport flight tickets
Alaska Airlines
Feb 15
PDX9:29 pmPortland
15h 49m
1 stop
IAD4:18 pmWashington, D.C. Dulles Intl
Feb 22
IAD5:18 pmWashington, D.C. Dulles Intl
18h 42m
1 stop
PDX9:00 amPortland
Alaska Airlines
Feb 23
PDX9:29 pmPortland
15h 49m
1 stop
IAD4:18 pmWashington, D.C. Dulles Intl
Feb 26
IAD5:18 pmWashington, D.C. Dulles Intl
18h 42m
1 stop
PDX9:00 amPortland
Alaska Airlines
Feb 20
PDX9:29 pmPortland
15h 49m
1 stop
IAD4:18 pmWashington, D.C. Dulles Intl
Feb 23
IAD5:18 pmWashington, D.C. Dulles Intl
18h 42m
1 stop
PDX9:00 amPortland

See travel insights to Washington, D.C. from

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

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

In general, February is the cheapest month to fly from Portland to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $442. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $497.

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

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $517. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Washington, D.C. Dulles Intl Airport for around $636.

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

Flying to Washington, D.C. Dulles Intl Airport from Portland in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $455 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $576 on average. Flights to Washington, D.C. Dulles Intl Airport from Portland in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Portland when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $549 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Portland for as low as $391 on momondo.

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

There are 4 cabin classes available to choose from on Portland to Washington, D.C. Dulles Intl 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. Dulles Intl Airport flight prices changed over time?

As of January 2025, prices for Portland to Washington, D.C. Dulles Intl Airport flights are approximately 14% more expensive when compared to flights at the same time last year.

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

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

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

Best Price Found

$142

Fastest flight time

4h 48m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Portland in the past 72 hours is $142. The best round-trip flight deal from Portland to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $303.
The fastest flight from Portland to Washington, D.C. Dulles Intl Airport takes 4h 48m
Direct flights go from Portland to Washington, D.C. Dulles Intl Airport every day.

  • How far is Portland to Washington, D.C. Dulles Intl by plane?

    A flight from Portland to Washington, D.C. Dulles Intl will travel around 2324.3 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. Dulles Intl Airport?

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

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

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

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek 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. Dulles Intl Airport?

  • What is the most popular airline from Portland to Washington, D.C. Dulles Intl Airport?


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

Compare and see reviews for airlines that fly from Portland to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $95Free CancellationRating
6.3
8,116 reviews
Search Spirit Airlines flights
DeltaPriceFrom $296Free CancellationRating
8.0
8,521 reviews
Search Delta flights
American AirlinesPriceFrom $298Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $337Free CancellationRating
8.0
9,706 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $402Free CancellationRating
7.4
8,984 reviews
Search United Airlines flights
SouthwestPriceFrom $456Free CancellationRating
8.1
4,662 reviews
Search Southwest flights
  • United Airlines Flights From Portland to Washington, D.C. Dulles Intl Airport

    United Airlines flight deals from Portland to Washington, D.C. Dulles Intl Airport start from $402 round-trip. Over the 7 United Airlines flights for this route in a normal week, average airfare is usually $583 round-trip - but some users have found much cheaper deals with momondo.


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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Arlington
Gettysburg
Laurel
National Harbor
Winchester
Silver Spring
Fredericksburg
Manassas
Woodbridge
Waldorf
Linthicum Heights
Glen Burnie
Gaithersburg
Rockville
Fairfax
Harpers Ferry
Tysons
Towson
Hanover

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?

Yes. All flights to Washington, D.C. from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Portland to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Portland to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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