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Cheap flights from Portland to Washington, D.C. Dulles Intl Airport from $149

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 3/8. 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.

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

The cheapest plane tickets to Washington, D.C. found on KAYAK recently.
5:26 pm - 4:23 pmPDX-IAD
19h 57m2 stops
5:25 pm - 10:45 amIAD-PDX
20h 20m1 stop
$304Alaska Airlines
Find Deal
Tue, Feb 4 - Tue, Feb 11
11:30 pm - 7:29 amPDX-IAD
4h 59mnonstop
6:30 am - 12:39 pmIAD-PDX
9h 09m1 stop
$307United Airlines
Find Deal
Tue, Apr 22 - Wed, Apr 30
5:26 pm - 4:23 pmPDX-IAD
19h 57m2 stops
5:25 pm - 11:07 amIAD-PDX
20h 42m2 stops
$312Alaska Airlines
Find Deal
Tue, Jan 14 - Thu, Jan 23
12:00 pm - 10:33 pmPDX-IAD
7h 33m1 stop
6:12 am - 1:14 pmIAD-PDX
10h 02m1 stop
$316American Airlines
Find Deal
Sat, Feb 22 - Tue, Feb 25
8:24 am - 10:41 pmPDX-IAD
11h 17m2 stops
6:10 am - 1:16 pmIAD-PDX
10h 06m1 stop
$321American Airlines
Find Deal
Sat, Jan 11 - Sat, Jan 18
7:05 am - 6:57 pmPDX-IAD
8h 52m1 stop
4:05 pm - 11:58 pmIAD-PDX
10h 53m1 stop
$336Delta
Find Deal
Mon, Jan 13 - Sat, Jan 18
11:30 pm - 7:29 amPDX-IAD
4h 59mnonstop
5:30 pm - 8:14 pmIAD-PDX
5h 44mnonstop
$337United Airlines
Find Deal
Thu, Apr 17 - Mon, Apr 21
5:15 am - 3:28 pmPDX-IAD
7h 13m1 stop
6:05 am - 12:52 pmIAD-PDX
9h 47m1 stop
$356Delta
Find Deal
Fri, Feb 21 - Sun, Feb 23
7:20 am - 11:05 pmPDX-IAD
12h 45m2 stops
11:10 am - 4:20 pmIAD-PDX
8h 10m1 stop
$382Southwest
Find Deal
Tue, Jan 28 - Tue, Feb 4
7:20 am - 11:05 pmPDX-IAD
12h 45m2 stops
11:10 am - 10:15 pmIAD-PDX
14h 05m2 stops
$387Southwest
Find Deal
Tue, Jan 28 - Tue, Feb 4
10:27 pm - 6:17 amPDX-IAD
4h 50mnonstop
$149United Airlines
Find Deal
Sat, Mar 8
2:16 pm - 4:23 pmPDX-IAD
23h 07m2 stops
$152Alaska Airlines
Find Deal
Tue, Jan 28
6:03 am - 7:27 pmPDX-IAD
10h 24m1 stop
$154United Airlines
Find Deal
Wed, Jan 22
7:05 am - 6:57 pmPDX-IAD
8h 52m1 stop
$158Delta
Find Deal
Tue, Jan 21
10:15 am - 11:05 pmPDX-IAD
9h 50m2 stops
$163Southwest
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Wed, Feb 26
12:45 pm - 12:22 amPDX-IAD
8h 37m1 stop
$168Delta
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Tue, Jan 7
5:26 pm - 4:23 pmPDX-IAD
19h 57m2 stops
$172Alaska Airlines
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Fri, Jan 24
5:00 am - 7:35 pmPDX-IAD
11h 35m2 stops
$173American Airlines
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Wed, Feb 12
8:35 am - 11:05 pmPDX-IAD
11h 30m2 stops
$183Southwest
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Fri, Jan 31
11:59 pm - 1:22 pmPDX-IAD
10h 23m2 stops
$213American Airlines
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Mon, Mar 10
5:00 am - 5:58 pmPDX-IAD
9h 58m1 stop
6:57 pm - 11:43 pmIAD-PDX
7h 46m1 stop
$701Alaska Airlines
Find Deal
Thu, Dec 26 - Tue, Jan 7
1:50 pm - 11:19 pmPDX-IAD
6h 29m1 stop
4:05 pm - 11:58 pmIAD-PDX
10h 53m1 stop
$791Delta
Find Deal
Thu, Dec 26 - Mon, Jan 6
12:11 pm - 11:58 pmPDX-IAD
8h 47m1 stop
6:00 am - 11:25 amIAD-PDX
8h 25m1 stop
$883Delta
Find Deal
Thu, Dec 26 - Sun, Jan 5
1:45 pm - 8:49 amPDX-IAD
16h 04m1 stop
8:10 pm - 12:45 pmIAD-PDX
19h 35m1 stop
$908American Airlines
Find Deal
Mon, Dec 23 - Thu, Jan 2
1:45 pm - 8:49 amPDX-IAD
16h 04m1 stop
8:10 pm - 12:45 pmIAD-PDX
19h 35m1 stop
$916American Airlines
Find Deal
Fri, Dec 27 - Fri, Jan 3
8:00 am - 3:56 pmPDX-IAD
4h 56mnonstop
5:46 pm - 8:49 pmIAD-PDX
6h 03mnonstop
$947United Airlines
Find Deal
Wed, Dec 25 - Sat, Jan 4
12:56 pm - 11:25 pmPDX-IAD
7h 29m1 stop
5:46 pm - 8:49 pmIAD-PDX
6h 03mnonstop
$957United Airlines
Find Deal
Wed, Dec 25 - Sat, Jan 4
5:30 am - 4:40 pmPDX-IAD
8h 10m1 stop
8:00 pm - 12:30 amIAD-PDX
7h 30m1 stop
$966Southwest
Find Deal
Thu, Dec 26 - Mon, Dec 30
8:00 am - 9:30 pmPDX-IAD
10h 30m1 stop
5:24 pm - 10:20 pmIAD-PDX
31h 56m1 stop
$969Alaska Airlines
Find Deal
Mon, Dec 23 - Thu, Jan 2
6:05 am - 5:00 pmPDX-IAD
7h 55m1 stop
7:25 am - 6:45 pmIAD-PDX
14h 20m2 stops
$971Southwest
Find Deal
Wed, Dec 25 - Wed, Jan 1
11:30 pm - 7:29 amPDX-IAD
4h 59mnonstop
5:30 pm - 8:14 pmIAD-PDX
5h 44mnonstop
$337United Airlines
Find Deal
Thu, Apr 17 - Mon, Apr 21
11:30 pm - 7:29 amPDX-IAD
4h 59mnonstop
5:15 pm - 7:59 pmIAD-PDX
5h 44mnonstop
$397United Airlines
Find Deal
Tue, Apr 29 - Tue, May 6
11:38 pm - 7:28 amPDX-IAD
4h 50mnonstop
5:10 pm - 8:00 pmIAD-PDX
5h 50mnonstop
$417United Airlines
Find Deal
Thu, Mar 6 - Sat, Mar 8
11:30 pm - 7:29 amPDX-IAD
4h 59mnonstop
5:30 pm - 8:14 pmIAD-PDX
5h 44mnonstop
$437United Airlines
Find Deal
Fri, Apr 11 - Fri, Apr 18
11:37 pm - 7:35 amPDX-IAD
4h 58mnonstop
5:30 pm - 8:25 pmIAD-PDX
5h 55mnonstop
$447United Airlines
Find Deal
Tue, May 13 - Fri, Jun 6
11:30 pm - 7:29 amPDX-IAD
4h 59mnonstop
5:30 pm - 8:14 pmIAD-PDX
5h 44mnonstop
$467United Airlines
Find Deal
Wed, Apr 16 - Sun, Apr 20
11:30 pm - 7:29 amPDX-IAD
4h 59mnonstop
5:30 pm - 8:14 pmIAD-PDX
5h 44mnonstop
$487United Airlines
Find Deal
Thu, Apr 17 - Sun, Apr 20
8:00 am - 3:48 pmPDX-IAD
4h 48mnonstop
5:30 pm - 8:25 pmIAD-PDX
5h 55mnonstop
$497United Airlines
Find Deal
Fri, May 23 - Mon, May 26
11:30 pm - 7:29 amPDX-IAD
4h 59mnonstop
5:30 pm - 8:14 pmIAD-PDX
5h 44mnonstop
$517United Airlines
Find Deal
Wed, Apr 2 - Mon, Apr 7
8:00 am - 3:48 pmPDX-IAD
4h 48mnonstop
5:30 pm - 8:25 pmIAD-PDX
5h 55mnonstop
$518United Airlines
Find Deal
Thu, May 22 - Mon, May 26

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

Our best American Airlines deals on Portland to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Feb 22
PDX12:00 pmPortland
7h 33m
1 stop
IAD10:33 pmWashington, D.C. Dulles Intl
Feb 25
IAD6:12 amWashington, D.C. Dulles Intl
10h 02m
1 stop
PDX1:14 pmPortland
American Airlines
Jan 11
PDX8:24 amPortland
11h 17m
2 stops
IAD10:41 pmWashington, D.C. Dulles Intl
Jan 18
IAD6:10 amWashington, D.C. Dulles Intl
10h 06m
1 stop
PDX1:16 pmPortland
American Airlines
Feb 4
PDX5:00 amPortland
11h 35m
2 stops
IAD7:35 pmWashington, D.C. Dulles Intl
Feb 11
IAD1:52 pmWashington, D.C. Dulles Intl
10h 58m
2 stops
PDX9:50 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 4
PDX5:26 pmPortland
19h 57m
2 stops
IAD4:23 pmWashington, D.C. Dulles Intl
Feb 11
IAD5:25 pmWashington, D.C. Dulles Intl
20h 20m
1 stop
PDX10:45 amPortland
Alaska Airlines
Jan 14
PDX5:26 pmPortland
19h 57m
2 stops
IAD4:23 pmWashington, D.C. Dulles Intl
Jan 23
IAD5:25 pmWashington, D.C. Dulles Intl
20h 42m
2 stops
PDX11:07 amPortland
Alaska Airlines
Jan 14
PDX5:26 pmPortland
19h 57m
2 stops
IAD4:23 pmWashington, D.C. Dulles Intl
Jan 23
IAD6:57 pmWashington, D.C. Dulles Intl
7h 46m
1 stop
PDX11:43 pmPortland

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 $449. If you aren’t able to travel to Washington, D.C. Dulles Intl 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 $486.

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?

The ideal time to book your flight to Washington, D.C. Dulles Intl Airport is 37 days in advance when prices tend to average $548. 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 $367 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.

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

You could potentially save up to 2% on your flight if you consider stops on a Portland to Washington, D.C. Dulles Intl Airport flight.

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

As of December 2024, prices for Portland to Washington, D.C. Dulles Intl Airport flights are approximately 7% cheaper 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

$149

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 $149. The best round-trip flight deal from Portland to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $304.
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
8,113 reviews
Search Spirit Airlines flights
DeltaPriceFrom $296Free CancellationRating
8.0
8,594 reviews
Search Delta flights
American AirlinesPriceFrom $298Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $334Free CancellationRating
8.0
9,549 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $409Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights
SouthwestPriceFrom $456Free CancellationRating
8.1
4,780 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 $409 round-trip. Over the 5 United Airlines flights for this route in a normal week, average airfare is usually $584 round-trip - but some users have found much cheaper deals with momondo.


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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