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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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PSC
Aug 18 — Aug 251
Tue 8/18
Tue 8/25
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 July 19, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/15. 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.
Tue 11/37:46 am
IAD
-
PSC
1 stop8h 26m
Alaska Airlines
Sat 11/75:29 pm
PSC
-
IAD
1 stop9h 22m
Alaska Airlines
Deal found 7/15$425
This Delta deal was found by Cheapflights users on 7/15. 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.
Sat 10/172:25 pm
IAD
-
PSC
1 stop8h 15m
Delta
Sat 10/316:00 am
PSC
-
IAD
2 stops10h 10m
Delta
Deal found 7/15$430
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:50 am
IAD
-
PSC
1 stop13h 21m
Multiple Airlines
Mon 8/247:13 pm
PSC
-
IAD
1 stop9h 51m
Multiple Airlines
Deal found 7/16$433
This Delta deal was found by Cheapflights users on 7/16. 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.
Tue 8/115:25 pm
IAD
-
PSC
2 stops9h 08m
Delta
Wed 8/267:15 am
PSC
-
IAD
1 stop7h 54m
Delta
Deal found 7/16$443
This Delta deal was found by Cheapflights users on 7/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:00 am
IAD
-
PSC
1 stop9h 06m
Delta
Wed 8/1212:30 pm
PSC
-
IAD
1 stop8h 29m
Delta
Deal found 7/14$451
This Delta deal was found by Cheapflights users on 7/16. 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.
Mon 8/107:10 am
IAD
-
PSC
1 stop10h 34m
Delta
Tue 8/251:46 pm
PSC
-
IAD
1 stop6h 53m
Delta
Deal found 7/16$452
This Delta deal was found by Cheapflights users on 7/15. 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.
Sat 12/57:30 am
IAD
-
PSC
2 stops12h 34m
Delta
Sun 12/67:05 am
PSC
-
IAD
1 stop8h 09m
Delta
Deal found 7/15$457
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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.
Sat 12/57:00 am
IAD
-
PSC
1 stop8h 37m
Alaska Airlines
Sun 12/61:30 pm
PSC
-
IAD
1 stop7h 29m
Alaska Airlines
Deal found 7/16$461
This Delta deal was found by Cheapflights users on 7/16. 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.
Tue 8/115:25 pm
IAD
-
PSC
2 stops9h 08m
Delta
Thu 8/277:15 am
PSC
-
IAD
1 stop7h 54m
Delta
Deal found 7/16$470

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 July 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$425
(Alaska Airlines)

One-way from

$213
(Delta)

Popular in

March

Cheapest in

November

Average price

$477
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. 21% potential increase in price ($158 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 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

Tue 11/3

7:46 am-1:12 pm

1 stop8h 26m

Pasco Tri Cities

Sat 11/7

5:29 pm-5:51 am

1 stop9h 22m

$425

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sat 10/17

7:00 am-1:18 pm

1 stop9h 18m

Pasco Tri Cities

Sat 10/24

1:55 pm-11:59 pm

1 stop7h 04m

$425

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sat 10/17

2:25 pm-7:40 pm

1 stop8h 15m

Pasco Tri Cities

Sat 10/31

6:00 am-7:10 pm

2 stops10h 10m

$430
Quickest round-trip

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sat 12/5

7:05 am-11:56 am

1 stop7h 51m

Pasco Tri Cities

Sun 12/6

7:05 am-6:14 pm

1 stop8h 09m

$452

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sat 12/5

7:00 am-12:37 pm

1 stop8h 37m

Pasco Tri Cities

Sun 12/6

6:00 am-4:26 pm

1 stop7h 26m

$461
Cheapest one-way
Quickest one-way

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Wed 9/23

7:25 am-11:50 am

1 stop7h 25m

$213

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

Sorted by cheapest first

Compare providers for flights from Dulles Intl to Pasco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Pasco in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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 8h 15m. 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
Richland

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