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$199+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PSC
May 20 — May 271
Wed 5/20
Wed 5/27
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 April 20, 2026.

This Delta deal was found by Cheapflights users on 4/17. 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.
Sat 5/97:00 am
IAD
-
PSC
1 stop10h 45m
Delta
Sat 5/1612:29 pm
PSC
-
IAD
1 stop8h 46m
Delta
Deal found 4/17$331
This Expedia deal was found by Cheapflights users on 4/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 am
IAD
-
PSC
1 stop10h 14m
Alaska Airlines
Sat 6/611:41 am
PSC
-
IAD
1 stop9h 18m
Alaska Airlines
Deal found 4/18$411
This Expedia deal was found by Cheapflights users on 4/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:00 am
IAD
-
PSC
1 stop8h 04m
Alaska Airlines
Mon 6/17:17 pm
PSC
-
IAD
1 stop9h 17m
Alaska Airlines
Deal found 4/18$433
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
Fri 5/225:35 pm
IAD
-
PSC
1 stop9h 39m
Alaska Airlines
Sun 5/247:17 pm
PSC
-
IAD
1 stop9h 17m
Alaska Airlines
Deal found 4/15$447
This Delta deal was found by Cheapflights users on 4/18. 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.
Thu 5/283:08 pm
IAD
-
PSC
2 stops11h 38m
Delta
Sat 6/612:29 pm
PSC
-
IAD
1 stop8h 44m
Delta
Deal found 4/18$452
This United Airlines deal was found by Cheapflights users on 4/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:55 pm
IAD
-
PSC
1 stop9h 51m
United Airlines
Mon 6/11:35 pm
PSC
-
IAD
1 stop8h 20m
United Airlines
Deal found 4/17$462
This Delta deal was found by Cheapflights users on 4/19. 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 8/57:00 am
IAD
-
PSC
1 stop10h 56m
Delta
Mon 8/109:30 am
PSC
-
IAD
2 stops11h 40m
Delta
Deal found 4/19$466
This Delta deal was found by Cheapflights users on 4/15. 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.
Sun 5/107:00 am
IAD
-
PSC
1 stop7h 46m
Delta
Fri 5/1512:29 pm
PSC
-
IAD
1 stop8h 46m
Delta
Deal found 4/15$469
This United Airlines deal was found by Cheapflights users on 4/19. 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 8/55:55 pm
IAD
-
PSC
1 stop9h 55m
United Airlines
Mon 8/101:35 pm
PSC
-
IAD
1 stop8h 20m
United Airlines
Deal found 4/19$481

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 April 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$331
(Delta)

One-way from

$199
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$791
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
Highest demand for flights based on searches. 18% potential increase in price ($137 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($58 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 20, 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 5/9

7:00 am-2:45 pm

1 stop10h 45m

Pasco Tri Cities

Sat 5/16

12:29 pm-12:15 am

1 stop8h 46m

$331

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Fri 5/22

5:35 pm-12:14 am

1 stop9h 39m

Pasco Tri Cities

Sun 5/24

7:17 pm-7:34 am

1 stop9h 17m

$447

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Wed 8/5

7:00 am-2:56 pm

1 stop10h 56m

Pasco Tri Cities

Mon 8/10

9:30 am-12:10 am

2 stops11h 40m

$466

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sun 5/10

7:00 am-11:46 am

1 stop7h 46m

Pasco Tri Cities

Fri 5/15

12:29 pm-12:15 am

1 stop8h 46m

$469

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Tue 5/5

6:30 am-12:15 pm

1 stop8h 45m

Pasco Tri Cities

Sat 5/9

1:05 pm-11:34 pm

1 stop7h 29m

$501

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sat 5/2

12:35 pm-10:39 pm

2 stops13h 04m

Pasco Tri Cities

Wed 5/6

12:26 pm-11:55 pm

1 stop8h 29m

$506

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Tue 5/5

5:07 pm-11:44 pm

2 stops9h 37m

Pasco Tri Cities

Sat 5/9

12:29 pm-12:15 am

1 stop8h 46m

$506
Quickest round-trip

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Mon 5/4

7:20 pm-11:59 pm

1 stop7h 39m

Pasco Tri Cities

Fri 5/8

7:30 pm-5:50 am

1 stop7h 20m

$525

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Fri 5/1

9:00 am-3:42 pm

1 stop9h 42m

Pasco Tri Cities

Wed 5/6

7:30 pm-5:50 am

1 stop7h 20m

$541

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Fri 5/1

12:12 pm-7:51 pm

1 stop10h 39m

Pasco Tri Cities

Wed 5/6

12:26 pm-11:55 pm

1 stop8h 29m

$541

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 17 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 9h 39m. 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?

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