HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Pasco

$277+ Cheap flights from Dulles Intl (IAD) to Pasco (PSC)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PSC
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Pasco with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Pasco

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Pasco (PSC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 17, 2025.

Round-trip from

$359
(Alaska Airlines)

One-way from

$277
(Alaska Airlines)

Popular in

December

Cheapest in

August

Average price

$781
From Washington, D.C. Dulles Intl to Pasco Tri Cities
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Pasco Tri Cities
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($124 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Dulles Intl to Pasco

Cheapest flights from Dulles Intl to Pasco
Explore the most affordable flight options available from Dulles Intl to Pasco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/186:25 amIAD - PSC
1 stop9h 05mAlaska Airlines
sáb. 11/81:36 pmPSC - IAD
1 stop13h 47mAlaska Airlines
Deal found 9/15$359
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/146:25 amIAD - PSC
1 stop9h 05mAlaska Airlines
mar. 10/216:00 amPSC - IAD
1 stop9h 28mAlaska Airlines
Deal found 9/15$380
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/181:00 pmIAD - PSC
2 stops11h 17mDelta
sáb. 11/81:00 pmPSC - IAD
1 stop8h 40mDelta
Deal found 9/15$454
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/145:30 pmIAD - PSC
1 stop8h 45mUnited Airlines
mar. 10/2112:45 pmPSC - IAD
2 stops15h 47mUnited Airlines
Deal found 9/15$524
This Alaska Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/56:25 amIAD - PSC
1 stop9h 05mAlaska Airlines
mar. 10/148:49 amPSC - IAD
1 stop12h 34mAlaska Airlines
Deal found 9/16$602
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/305:36 pmIAD - PSC
1 stop22h 16mUnited Airlines
sáb. 10/412:45 pmPSC - IAD
1 stop13h 37mUnited Airlines
Deal found 9/15$645
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/296:09 pmIAD - PSC
1 stop8h 59mAlaska Airlines
jue. 10/27:57 pmPSC - IAD
1 stop8h 36mAlaska Airlines
Deal found 9/15$662
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2912:35 pmIAD - PSC
2 stops13h 36mDelta
jue. 10/25:47 pmPSC - IAD
1 stop9h 14mDelta
Deal found 9/15$668
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/303:31 pmIAD - PSC
2 stops10h 40mDelta
sáb. 10/46:45 amPSC - IAD
2 stops13h 32mDelta
Deal found 9/15$673

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Pasco 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Pasco that are best for you.

Fly from

Dulles Intl

Fly to

Pasco

Route

Depart

Return

Price

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

sáb. 10/18

6:25 am-12:30 pm

1 stop9h 05m

Pasco Tri Cities

sáb. 11/8

1:36 pm-6:23 am

1 stop13h 47m

$359

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

mar. 10/14

6:25 am-12:30 pm

1 stop9h 05m

Pasco Tri Cities

mar. 10/21

6:00 am-6:28 pm

1 stop9h 28m

$380

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

sáb. 10/18

1:00 pm-9:17 pm

2 stops11h 17m

Pasco Tri Cities

sáb. 11/8

1:00 pm-12:40 am

1 stop8h 40m

$454

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

mar. 10/14

5:30 pm-11:15 pm

1 stop8h 45m

Pasco Tri Cities

mar. 10/21

12:45 pm-7:32 am

2 stops15h 47m

$524

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

dom. 10/5

6:25 am-12:30 pm

1 stop9h 05m

Pasco Tri Cities

mar. 10/14

8:49 am-12:23 am

1 stop12h 34m

$602

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

mar. 9/30

5:36 pm-12:52 pm

1 stop22h 16m

Pasco Tri Cities

sáb. 10/4

12:45 pm-5:22 am

1 stop13h 37m

$645

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

lun. 9/29

6:09 pm-12:08 am

1 stop8h 59m

Pasco Tri Cities

jue. 10/2

7:57 pm-7:33 am

1 stop8h 36m

$662

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

lun. 9/29

12:35 pm-11:11 pm

2 stops13h 36m

Pasco Tri Cities

jue. 10/2

5:47 pm-6:01 am

1 stop9h 14m

$668

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

mar. 9/30

3:31 pm-11:11 pm

2 stops10h 40m

Pasco Tri Cities

sáb. 10/4

5:47 pm-6:01 am

1 stop9h 14m

$668

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

dom. 10/19

6:25 am-9:19 pm

1 stop17h 54m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 16 results
1
2

Best time to book a flight from Dulles Intl to Pasco

Have a flexible travel schedule? Discover the best time to fly to Pasco from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Pasco

What is the cheapest time of day to fly from IAD to PSC?

Find hourly flight availability from Dulles Intl to Pasco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 17, 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Pasco is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 14% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Pasco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Pasco from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Pasco, you will be flying into Tri Cities. Pasco Tri Cities (PSC) is just 1.9 mi from the center of the city. Tri Cities is the only Pasco airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 0 airlines have flights to Pasco Tri Cities from Washington, D.C. Dulles Intl on a regular basis.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Pasco?

    Departing from Washington, D.C. Dulles Intl Airport to Pasco will take you 8h 45m. There are 2151 mi between Washington, D.C. Dulles Intl Airport and Pasco. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Pasco one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $277. Users have also found prices from $331 and $337 on Hawaiian Airlines and Delta, respectively.

  • Can I find deals for flights from Dulles Intl to Pasco that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Pasco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Pasco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Pasco.

  • Can I find deals for business class flights from Dulles Intl to Pasco?

    Yes. Cheapflights offers flight deals from Dulles Intl to Pasco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Pasco?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pasco (average of $349). Flying from Washington, D.C. Dulles Intl Airport to Pasco in June is currently the most expensive (average of $438). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Pasco?

Book flights to Pasco if you plan to visit one of these locations
Kennewick
Richland

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Pasco

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Seattle flights
Reagan-National to Seattle flights
Baltimore to Seattle flights
Dulles Intl to Portland flights
Reagan-National to Portland flights
Baltimore to Portland flights
Dulles Intl to Spokane flights
Baltimore to Spokane flights
Reagan-National to Spokane flights
Dulles Intl to Bellingham flights
Reagan-National to Bellingham flights
Reagan-National to Pasco flights
Reagan-National to Pullman flights
Dulles Intl to Pullman flights
Baltimore to Bellingham flights
Baltimore to Pasco flights
Reagan-National to Walla Walla flights
Baltimore to Pullman flights
Reagan-National to Wenatchee flights
Dulles Intl to Walla Walla flights
Baltimore to Walla Walla flights
Dulles Intl to Wenatchee flights
Baltimore to Wenatchee flights
Dulles Intl to Yakima flights
Reagan-National to Yakima flights
Baltimore to Yakima flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.