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$240+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PSC
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 2/183:58 pm
IAD
-
PSC
1 stop7h 52m
United Airlines
Wed 2/253:05 pm
PSC
-
IAD
1 stop11h 22m
United Airlines
Deal found 1/19$307
This Delta deal was found by Cheapflights users on 1/19. 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.
Wed 2/1812:38 pm
IAD
-
PSC
2 stops10h 26m
Delta
Wed 2/251:00 pm
PSC
-
IAD
1 stop7h 10m
Delta
Deal found 1/19$383
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 10/277:18 pm
IAD
-
PSC
1 stop7h 56m
Alaska Airlines
Sat 10/316:00 am
PSC
-
IAD
1 stop8h 16m
Alaska Airlines
Deal found 1/20$409
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 8/196:30 am
IAD
-
PSC
1 stop8h 45m
United Airlines
Fri 8/212:00 pm
PSC
-
IAD
1 stop8h 17m
United Airlines
Deal found 1/21$429
This Alaska Airlines deal was found by Cheapflights users on 1/18. 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.
Mon 2/96:04 pm
IAD
-
PSC
1 stop9h 16m
Alaska Airlines
Fri 2/138:25 am
PSC
-
IAD
1 stop29h 55m
Alaska Airlines
Deal found 1/18$430
This Delta deal was found by Cheapflights users on 1/21. 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.
Wed 8/197:10 am
IAD
-
PSC
1 stop7h 47m
Delta
Fri 8/215:00 pm
PSC
-
IAD
2 stops13h 10m
Delta
Deal found 1/21$434
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 5/306:35 am
IAD
-
PSC
1 stop9h 20m
United Airlines
Sat 6/65:25 am
PSC
-
IAD
2 stops14h 35m
United Airlines
Deal found 1/20$461
This Delta deal was found by Cheapflights users on 1/19. 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.
Wed 2/42:15 pm
IAD
-
PSC
1 stop8h 41m
Delta
Fri 2/611:35 am
PSC
-
IAD
1 stop9h 13m
Delta
Deal found 1/19$519

Find 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 January 21, 2026.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$307
(United Airlines)

One-way from

$240
(Kiwi.com)

Popular in

September

Cheapest in

August
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Pasco Tri Cities flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Pasco Tri Cities flights.
Search Deals
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
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).
Search Deals

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 January 21, 2026.
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

Wed 2/18

3:58 pm-8:50 pm

1 stop7h 52m

Pasco Tri Cities

Wed 2/25

3:05 pm-5:27 am

1 stop11h 22m

$307

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Wed 2/18

12:38 pm-8:04 pm

2 stops10h 26m

Pasco Tri Cities

Wed 2/25

1:00 pm-11:10 pm

1 stop7h 10m

$383

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Mon 2/9

6:04 pm-12:20 am

1 stop9h 16m

Pasco Tri Cities

Fri 2/13

8:25 am-5:20 pm

1 stop29h 55m

$430

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Wed 2/4

2:15 pm-7:56 pm

1 stop8h 41m

Pasco Tri Cities

Fri 2/6

11:35 am-11:48 pm

1 stop9h 13m

$519

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Thu 2/5

4:11 pm-9:13 pm

1 stop8h 02m

Pasco Tri Cities

Mon 2/9

3:18 pm-5:32 am

1 stop11h 14m

$519

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Thu 2/5

2:15 pm-7:56 pm

1 stop8h 41m

Pasco Tri Cities

Mon 2/9

5:05 pm-9:13 am

2 stops13h 08m

$524

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sun 2/8

2:24 pm-9:13 pm

1 stop9h 49m

Pasco Tri Cities

Thu 2/12

6:17 am-7:27 pm

1 stop10h 10m

$608

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sat 2/28

10:29 am-2:40 pm

3 stops31h 11m

$240

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sat 2/28

3:58 pm-8:50 pm

1 stop7h 52m

$241

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sat 2/28

6:00 am-7:58 pm

2 stops16h 58m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 12 results
1
2
  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Pasco flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Washington, D.C. Dulles Intl Airport-Pasco flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Pasco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Pasco flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Pasco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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 7h 52m. 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.

  • 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.

See more FAQs

Traveling to a place near Pasco?

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

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Alternative routes for Dulles Intl to Pasco

See prices for flight routes from nearby airports that may be better suited for you.
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