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Cheap flights from Oregon to Washington, D.C. from $144

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Washington, D.C. departing on 10/28. 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 Oregon to Washington, D.C.

Cheap round-trip flights

Frontier Logo
12:28 pm - 11:59 amBOI-IAD
21h 31m2 stops
Frontier Logo
9:00 am - 11:43 amIAD-BOI
52h 43m2 stops
$253Frontier
Find Deal
vie., oct. 17 - mar., oct. 21
Alaska Airlines Logo
6:28 am - 4:40 pmBOI-IAD
8h 12m1 stop
Alaska Airlines Logo
6:13 pm - 10:29 amIAD-BOI
18h 16m1 stop
$270Alaska Airlines
Find Deal
mié., oct. 29 - mar., nov. 4
Alaska Airlines Logo
1:38 pm - 12:23 amRDM-IAD
7h 45m1 stop
Alaska Airlines Logo
6:25 am - 11:59 pmIAD-RDM
20h 34m1 stop
$270Alaska Airlines
Find Deal
sáb., oct. 18 - sáb., oct. 25
United Airlines Logo
7:02 am - 7:03 pmPDX-IAD
9h 01m1 stop
United Airlines Logo
5:37 pm - 8:29 pmIAD-PDX
5h 52mnonstop
$283United Airlines
Find Deal
mié., oct. 15 - sáb., nov. 1
United Airlines Logo
8:30 am - 6:52 pmPDX-IAD
7h 22m1 stop
United Airlines Logo
5:37 pm - 8:29 pmIAD-PDX
5h 52mnonstop
$287United Airlines
Find Deal
sáb., nov. 1 - mar., nov. 4
United Airlines Logo
5:00 am - 3:41 pmPDX-IAD
7h 41m1 stop
United Airlines Logo
6:00 am - 12:17 pmIAD-PDX
9h 17m1 stop
$292United Airlines
Find Deal
sáb., nov. 1 - sáb., nov. 15
American Airlines Logo
1:33 pm - 10:51 pmBOI-IAD
7h 18m1 stop
American Airlines Logo
6:11 am - 12:45 pmIAD-BOI
8h 34m1 stop
$297American Airlines
Find Deal
mar., oct. 21 - mar., oct. 28
Sun Country Air Logo
6:28 pm - 11:20 amPDX-IAD
13h 52m1 stop
Sun Country Air Logo
12:46 pm - 5:34 pmIAD-PDX
7h 48m1 stop
$300Sun Country Air
Find Deal
jue., oct. 23 - dom., oct. 26
American Airlines Logo
8:46 am - 9:31 pmPDX-IAD
9h 45m1 stop
American Airlines Logo
9:12 am - 7:49 pmIAD-PDX
13h 37m2 stops
$302American Airlines
Find Deal
sáb., nov. 1 - sáb., nov. 15
Sun Country Air Logo
6:28 pm - 11:20 amPDX-IAD
13h 52m1 stop
Sun Country Air Logo
12:46 pm - 5:34 pmIAD-PDX
7h 48m1 stop
$332Sun Country Air
Find Deal
jue., oct. 23 - dom., oct. 26

Frontier flights from Oregon to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Oregon to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Oct 17
BOI12:28 pmBoise Air Term. Gowen Fld
21h 31m
2 stops
IAD11:59 amWashington, D.C. Dulles Intl
Oct 21
IAD9:00 amWashington, D.C. Dulles Intl
52h 43m
2 stops
BOI11:43 amBoise Air Term. Gowen Fld
$253
Find similar
Frontier
Oct 30
PDX12:52 pmPortland
23h 02m
2 stops
IAD2:54 pmWashington, D.C. Dulles Intl
Nov 1
IAD8:36 pmWashington, D.C. Dulles Intl
19h 20m
2 stops
PDX12:56 pmPortland
$294
Find similar
Frontier
Oct 10
BOI12:28 pmBoise Air Term. Gowen Fld
21h 31m
2 stops
IAD11:59 amWashington, D.C. Dulles Intl
Oct 14
IAD9:00 amWashington, D.C. Dulles Intl
52h 43m
2 stops
BOI11:43 amBoise Air Term. Gowen Fld
$336
Find similar

United Airlines flights from Oregon to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Oregon to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Oct 15
PDX7:02 amPortland
9h 01m
1 stop
IAD7:03 pmWashington, D.C. Dulles Intl
Nov 1
IAD5:37 pmWashington, D.C. Dulles Intl
5h 52m
PDX8:29 pmPortland
$283
Find similar
United Airlines
Nov 1
PDX8:30 amPortland
7h 22m
1 stop
IAD6:52 pmWashington, D.C. Dulles Intl
Nov 4
IAD5:37 pmWashington, D.C. Dulles Intl
5h 52m
PDX8:29 pmPortland
$287
Find similar
United Airlines
Nov 1
PDX5:00 amPortland
7h 41m
1 stop
IAD3:41 pmWashington, D.C. Dulles Intl
Nov 15
IAD6:00 amWashington, D.C. Dulles Intl
9h 17m
1 stop
PDX12:17 pmPortland
$292
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Oregon to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated septiembre 25, 2025.
Use the filters below to find and compare flights from Oregon to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

vie. 10/17

12:28 pm-11:59 am

2 stops21h 31m

Washington, D.C. Dulles Intl

mar. 10/21

9:00 am-11:43 am

2 stops52h 43m

$253

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

mié. 10/29

6:28 am-4:40 pm

1 stop8h 12m

Washington, D.C. Dulles Intl

mar. 11/4

6:13 pm-10:29 am

1 stop18h 16m

$270

RedmondWashington, D.C.

RDM - IAD

RDMIAD

Bend/Redmond

sáb. 10/18

1:38 pm-12:23 am

1 stop7h 45m

Washington, D.C. Dulles Intl

sáb. 10/25

6:25 am-11:59 pm

1 stop20h 34m

$270

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

mié. 10/15

7:02 am-7:03 pm

1 stop9h 01m

Washington, D.C. Dulles Intl

sáb. 11/1

5:37 pm-8:29 pm

Nonstop5h 52m

$283

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

sáb. 11/1

8:30 am-6:52 pm

1 stop7h 22m

Washington, D.C. Dulles Intl

mar. 11/4

5:37 pm-8:29 pm

Nonstop5h 52m

$287

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

sáb. 11/1

5:00 am-3:41 pm

1 stop7h 41m

Washington, D.C. Dulles Intl

sáb. 11/15

6:00 am-12:17 pm

1 stop9h 17m

$292

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

mar. 10/21

1:33 pm-10:51 pm

1 stop7h 18m

Washington, D.C. Dulles Intl

mar. 10/28

6:11 am-12:45 pm

1 stop8h 34m

$297

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

jue. 10/23

6:28 pm-11:20 am

1 stop13h 52m

Washington, D.C. Dulles Intl

dom. 10/26

12:46 pm-5:34 pm

1 stop7h 48m

$300

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

sáb. 11/1

8:46 am-9:31 pm

1 stop9h 45m

Washington, D.C. Dulles Intl

sáb. 11/15

9:12 am-7:49 pm

2 stops13h 37m

$302

PortlandWashington, D.C.

PDX - IAD

PDXIAD

Portland

jue. 10/23

6:28 pm-11:20 am

1 stop13h 52m

Washington, D.C. Dulles Intl

dom. 10/26

12:46 pm-5:34 pm

1 stop7h 48m

$332

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Oregon 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, August is the cheapest month to fly from Oregon 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 $416. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $429.

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 $505. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Oregon to Washington, D.C. Dulles Intl Airport for around $672.

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 Oregon 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 $610 on average. Flights to Washington, D.C. Dulles Intl Airport from Oregon in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Fly from Portland to Washington, D.C. Dulles Intl for the best Oregon - 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 Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $492 when searching 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 Oregon for as low as $361 on momondo.

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

There are 4 cabin classes available to choose from on Oregon 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 Oregon to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 11% on your flight if you consider stops on a Oregon to Washington, D.C. Dulles Intl Airport flight.

Cheap Oregon to Washington, D.C. Dulles Intl Airport flight deals and tips

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

Best Price Found

$178

Fastest flight time

4h 48m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Oregon in the past 72 hours is $178. The best round-trip flight deal from Oregon to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $358.
The fastest flight from Oregon to Washington, D.C. Dulles Intl Airport takes 4h 48m
Direct flights go from Oregon to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Oregon to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Oregon to Washington, D.C. Dulles Intl Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon 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 Oregon to Washington, D.C. Dulles Intl Airport?

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

Compare and see reviews for airlines that fly from Oregon to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $180Free CancellationRating
7.9
7,973 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $263Free CancellationRating
7.8
2,750 reviews
Search Hawaiian Airlines flights
American AirlinesPriceFrom $298Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $306Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
SouthwestPriceFrom $318Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $336Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

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

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

Why use momondo?

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

Finding the right flight to Washington, D.C. from Oregon 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 Oregon to Washington, D.C. with flexible booking policies on momondo?

All flight searches from Oregon 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 Oregon to Washington, D.C.?

Once all potential Oregon 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 Oregon to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Oregon 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.

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

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