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$213+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PSC
Jun 18 — Jun 251
Thu 6/18
Thu 6/25
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 May 19, 2026.

This Delta deal was found by Cheapflights users on 5/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:00 am
IAD
-
PSC
1 stop7h 48m
Delta
Sat 7/1112:29 pm
PSC
-
IAD
1 stop8h 34m
Delta
Deal found 5/16$425
This Orbitz deal was found by Cheapflights users on 5/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:44 pm
IAD
-
PSC
1 stop9h 05m
Alaska Airlines
Thu 8/276:00 am
PSC
-
IAD
1 stop7h 44m
Alaska Airlines
Deal found 5/15$452
This Delta deal was found by Cheapflights users on 5/15. 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.
Tue 8/256:59 am
IAD
-
PSC
2 stops10h 45m
Delta
Thu 8/2712:26 pm
PSC
-
IAD
1 stop8h 33m
Delta
Deal found 5/15$457
This Delta deal was found by Cheapflights users on 5/17. 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.
Tue 8/47:10 am
IAD
-
PSC
1 stop10h 34m
Delta
Tue 8/111:46 pm
PSC
-
IAD
1 stop6h 53m
Delta
Deal found 5/17$462
This Delta deal was found by Cheapflights users on 5/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2412:29 pm
IAD
-
PSC
2 stops14h 30m
Delta
Tue 6/3012:30 pm
PSC
-
IAD
1 stop8h 55m
Delta
Deal found 5/18$467
This Delta deal was found by Cheapflights users on 5/17. 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 6/37:00 am
IAD
-
PSC
1 stop10h 48m
Delta
Sun 6/712:30 pm
PSC
-
IAD
1 stop8h 55m
Delta
Deal found 5/17$490
This Alaska Airlines deal was found by Cheapflights users on 5/14. 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.
Sat 5/166:00 am
IAD
-
PSC
1 stop8h 04m
Alaska Airlines
Sat 5/236:00 am
PSC
-
IAD
1 stop7h 38m
Alaska Airlines
Deal found 5/14$501

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 May 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$425
(Delta)

One-way from

$213
(Expedia)
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

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 May 19, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sat 7/4

6:00 am-2:45 pm

2 stops11h 45m

Pasco Tri Cities

Sat 7/11

12:29 pm-12:03 am

1 stop8h 34m

$430

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Mon 6/1

7:00 am-2:48 pm

1 stop10h 48m

Pasco Tri Cities

Fri 6/5

12:29 pm-12:13 am

1 stop8h 44m

$530

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Tue 7/7

7:00 am-11:43 am

1 stop7h 43m

Pasco Tri Cities

Mon 7/13

5:21 pm-10:18 am

2 stops13h 57m

$551

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Tue 7/7

6:03 am-12:19 pm

1 stop9h 16m

Pasco Tri Cities

Mon 7/13

6:15 am-5:11 pm

1 stop7h 56m

$596

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Wed 6/24

9:30 am-5:27 pm

1 stop10h 57m

Pasco Tri Cities

Tue 6/30

6:04 pm-6:39 am

1 stop9h 35m

$620
Quickest round-trip

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sun 6/14

7:00 am-11:48 am

1 stop7h 48m

Pasco Tri Cities

Fri 6/19

12:30 pm-12:25 am

1 stop8h 55m

$639

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Mon 6/1

6:00 am-11:04 am

1 stop8h 04m

Pasco Tri Cities

Thu 6/4

7:17 pm-11:08 am

2 stops12h 51m

$644

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Wed 7/15

6:00 am-2:54 pm

2 stops11h 54m

Pasco Tri Cities

Sat 7/25

12:29 pm-12:03 am

1 stop8h 34m

$674
Cheapest one-way
Quickest one-way

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Fri 6/5

7:00 am-2:48 pm

1 stop10h 48m

$240

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Fri 6/5

2:52 pm-1:50 pm

3 stops49h 58m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Showing 1-10 of 11 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Pasco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Pasco flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 11h 45m. There are 2151 mi between Washington, D.C. Dulles Intl Airport and Pasco.

  • 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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