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$194+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PSC
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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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 August 16, 2025.

Round-trip from

$382
(Alaska Airlines)

One-way from

$194
(Hawaiian Airlines)

Popular in

December

Cheapest in

May

Average price

$397
From Washington, D.C. Dulles Intl to Pasco Tri Cities
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One-way flight from Washington, D.C. Dulles Intl to Pasco Tri Cities
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Highest demand for flights based on searches. 21% potential increase in price ($140 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 16, 2025.

This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 10/146:25 amIAD - PSC
1 stop17h 54mAlaska Airlines
Tue 10/218:49 amPSC - IAD
1 stop12h 34mAlaska Airlines
Deal found 8/15$382
This Hawaiian Airlines deal was found by Cheapflights users on 8/13. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:09 pmIAD - PSC
1 stop8h 59mHawaiian Airlines
Mon 9/81:05 pmPSC - IAD
1 stop8h 18mHawaiian Airlines
Deal found 8/13$388
This Delta deal was found by Cheapflights users on 8/13. 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 9/43:26 pmIAD - PSC
2 stops10h 01mDelta
Mon 9/85:47 pmPSC - IAD
1 stop9h 08mDelta
Deal found 8/13$394
This Hawaiian Airlines deal was found by Cheapflights users on 8/14. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:09 pmIAD - PSC
1 stop8h 59mHawaiian Airlines
Tue 9/231:05 pmPSC - IAD
1 stop8h 18mHawaiian Airlines
Deal found 8/14$438
This Hawaiian Airlines deal was found by Cheapflights users on 8/13. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:13 pmIAD - PSC
1 stop9h 00mHawaiian Airlines
Sat 11/225:51 pmPSC - IAD
1 stop9h 37mHawaiian Airlines
Deal found 8/13$455
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 9/56:09 pmIAD - PSC
1 stop24h 20mAlaska Airlines
Sun 9/74:06 pmPSC - IAD
1 stop29h 17mAlaska Airlines
Deal found 8/15$462
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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.
Thu 9/185:52 pmIAD - PSC
2 stops30h 23mAlaska Airlines
Fri 9/267:57 pmPSC - IAD
1 stop8h 36mAlaska Airlines
Deal found 8/15$501
This Hawaiian Airlines deal was found by Cheapflights users on 8/15. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:09 pmIAD - PSC
1 stop8h 59mHawaiian Airlines
Fri 9/261:05 pmPSC - IAD
1 stop8h 18mHawaiian Airlines
Deal found 8/15$502
This Delta deal was found by Cheapflights users on 8/15. 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.
Fri 9/53:26 pmIAD - PSC
2 stops10h 01mDelta
Sun 9/75:47 pmPSC - IAD
1 stop9h 08mDelta
Deal found 8/15$504

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 August 16, 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

Tue 10/14

6:25 am-9:19 pm

1 stop17h 54m

Pasco Tri Cities

Tue 10/21

7:24 pm-12:23 am

1 stop25h 59m

$382

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Thu 9/4

6:09 pm-12:08 am

1 stop8h 59m

Pasco Tri Cities

Mon 9/8

1:05 pm-12:23 am

1 stop8h 18m

$388

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Tue 11/18

6:13 pm-12:13 am

1 stop9h 00m

Pasco Tri Cities

Sun 11/23

5:51 pm-6:28 am

1 stop9h 37m

$388

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Thu 9/4

3:26 pm-10:27 pm

2 stops10h 01m

Pasco Tri Cities

Mon 9/8

5:47 pm-5:55 am

1 stop9h 08m

$394

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Fri 9/19

6:09 pm-12:08 am

1 stop8h 59m

Pasco Tri Cities

Tue 9/23

1:05 pm-12:23 am

1 stop8h 18m

$438

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Mon 11/17

6:13 pm-12:13 am

1 stop9h 00m

Pasco Tri Cities

Sat 11/22

5:51 pm-6:28 am

1 stop9h 37m

$455

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Fri 9/5

6:09 pm-3:29 pm

1 stop24h 20m

Pasco Tri Cities

Sun 9/7

4:06 pm-12:23 am

1 stop29h 17m

$462

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Fri 9/19

10:14 pm-12:52 pm

1 stop17h 38m

Pasco Tri Cities

Tue 9/23

5:30 am-3:34 pm

1 stop7h 04m

$483

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Fri 9/5

6:09 pm-12:08 am

1 stop8h 59m

$194

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Fri 9/26

6:09 pm-12:08 am

1 stop8h 59m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 19 results
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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 August 16, 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.

  • 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 Hawaiian Airlines. According to our data, you can fly for as low as $194. Users have also found prices from $195 and $225 on United 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

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