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Cheap flights from Portland to Washington, D.C. Dulles Intl Airport from $97

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 5/5. 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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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.
1:15 pm - 6:31 amPDX-IAD
14h 16m1 stop
8:01 am - 3:42 pmIAD-PDX
10h 41m1 stop
$206Frontier
Find Deal
lun., may. 5 - vie., may. 9
1:15 pm - 6:31 amPDX-IAD
14h 16m1 stop
8:01 am - 3:42 pmIAD-PDX
10h 41m1 stop
$238Frontier
Find Deal
jue., may. 8 - lun., may. 12
11:50 am - 5:34 amPDX-IAD
14h 44m1 stop
7:00 am - 11:55 pmIAD-PDX
19h 55m1 stop
$322Alaska Airlines
Find Deal
mar., abr. 1 - mar., abr. 8
7:50 pm - 6:21 amPDX-IAD
7h 31m1 stop
7:25 am - 2:30 pmIAD-PDX
10h 05m1 stop
$323Delta
Find Deal
mié., abr. 23 - mar., abr. 29
7:50 pm - 6:21 amPDX-IAD
7h 31m1 stop
12:29 pm - 7:03 pmIAD-PDX
9h 34m1 stop
$327Delta
Find Deal
mar., abr. 22 - lun., abr. 28
9:00 am - 10:42 pmPDX-IAD
10h 42m2 stops
5:13 pm - 10:47 pmIAD-PDX
8h 34m1 stop
$336American Airlines
Find Deal
mar., abr. 15 - mar., abr. 22
11:30 pm - 7:29 amPDX-IAD
4h 59mnonstop
5:30 pm - 8:15 pmIAD-PDX
5h 45mnonstop
$338United Airlines
Find Deal
mié., abr. 23 - sáb., abr. 26
11:52 pm - 1:42 pmPDX-IAD
10h 50m2 stops
5:00 am - 12:35 pmIAD-PDX
10h 35m2 stops
$341American Airlines
Find Deal
mar., abr. 15 - mar., abr. 22
7:30 pm - 7:00 amPDX-IAD
8h 30m1 stop
5:30 pm - 8:14 pmIAD-PDX
5h 44mnonstop
$343United Airlines
Find Deal
lun., mar. 31 - mar., abr. 22
11:50 am - 5:34 amPDX-IAD
14h 44m1 stop
7:31 am - 11:59 pmIAD-PDX
19h 28m1 stop
$347Alaska Airlines
Find Deal
mié., abr. 16 - dom., abr. 20

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

Our best Sun Country Air deals on Portland to Washington, D.C. Dulles Intl Airport flight tickets
Sun Country Air
Apr 24
PDX6:20 pmPortland
15h 03m
1 stop
IAD12:23 pmWashington, D.C. Dulles Intl
Apr 27
IAD12:17 pmWashington, D.C. Dulles Intl
8h 07m
1 stop
PDX5:24 pmPortland
Sun Country Air
Jul 16
PDX6:45 pmPortland
13h 58m
1 stop
IAD11:43 amWashington, D.C. Dulles Intl
Jul 20
IAD12:40 pmWashington, D.C. Dulles Intl
13h 06m
1 stop
PDX10:46 pmPortland
Sun Country Air
May 14
PDX1:20 pmPortland
19h 27m
1 stop
IAD11:47 amWashington, D.C. Dulles Intl
May 18
IAD12:45 pmWashington, D.C. Dulles Intl
24h 16m
1 stop
PDX10:01 amPortland

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
Apr 1
PDX11:50 amPortland
14h 44m
1 stop
IAD5:34 amWashington, D.C. Dulles Intl
Apr 8
IAD7:00 amWashington, D.C. Dulles Intl
19h 55m
1 stop
PDX11:55 pmPortland
Alaska Airlines
Apr 16
PDX11:50 amPortland
14h 44m
1 stop
IAD5:34 amWashington, D.C. Dulles Intl
Apr 20
IAD7:31 amWashington, D.C. Dulles Intl
19h 28m
1 stop
PDX11:59 pmPortland
Alaska Airlines
Apr 1
PDX8:55 pmPortland
16h 35m
1 stop
IAD4:30 pmWashington, D.C. Dulles Intl
Apr 4
IAD7:31 amWashington, D.C. Dulles Intl
19h 28m
1 stop
PDX11:59 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 $436. 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 Tuesday 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 $571. 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 $688.

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 $636 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 6 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $551 when searching 6 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 $462 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 February 2025, prices for Portland to Washington, D.C. Dulles Intl Airport flights are approximately 61% 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

$97

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 $97. The best round-trip flight deal from Portland to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $206.
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 50m.

  • 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
8,013 reviews
Search Spirit Airlines flights
DeltaPriceFrom $296Free CancellationRating
8.0
8,219 reviews
Search Delta flights
American AirlinesPriceFrom $298Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $336Free CancellationRating
8.0
9,691 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $398Free CancellationRating
7.4
8,765 reviews
Search United Airlines flights
SouthwestPriceFrom $405Free CancellationRating
8.1
4,411 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 $398 round-trip. Over the 1 United Airlines flight for this route in a normal week, average airfare is usually $580 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
Woodbridge
Fredericksburg
Manassas
Tysons
Waldorf
Gaithersburg
Linthicum Heights
Harpers Ferry
Glen Burnie
Rockville
Fairfax
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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