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$205+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PSC
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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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 November 20, 2025.

This United Airlines deal was found by Cheapflights users on 11/20. 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 12/64:00 pmIAD - PSC
1 stop7h 58mUnited Airlines
Wed 12/105:04 amPSC - IAD
1 stop8h 26mUnited Airlines
Deal found 11/20$339
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/63:38 pmIAD - PSC
2 stops10h 21mDelta
Wed 12/106:00 amPSC - IAD
1 stop9h 12mDelta
Deal found 11/20$344
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:37 pmIAD - PSC
2 stops20h 14mAlaska Airlines
Tue 1/66:00 amPSC - IAD
1 stop8h 43mAlaska Airlines
Deal found 11/19$380
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:15 amIAD - PSC
1 stop18h 44mDelta
Tue 1/61:00 pmPSC - IAD
1 stop7h 10mDelta
Deal found 11/20$410
This Delta deal was found by Cheapflights users on 11/19. 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.
Thu 12/187:15 amIAD - PSC
1 stop18h 44mDelta
Tue 1/65:35 pmPSC - IAD
1 stop26h 35mDelta
Deal found 11/19$445
This Delta deal was found by Cheapflights users on 11/19. 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.
Thu 12/187:15 amIAD - PSC
1 stop18h 44mDelta
Mon 1/55:35 pmPSC - IAD
1 stop26h 35mDelta
Deal found 11/19$466
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 12/175:25 pmIAD - PSC
1 stop8h 26mUnited Airlines
Mon 1/51:55 pmPSC - IAD
1 stop8h 12mUnited Airlines
Deal found 11/20$474
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:08 amIAD - PSC
2 stops12h 44mDelta
Wed 1/71:00 pmPSC - IAD
1 stop7h 10mDelta
Deal found 11/20$484

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 November 20, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$285
(Delta)

One-way from

$205
(United Airlines)

Popular in

September

Cheapest in

August

Average price

$747
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Pasco Tri Cities flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Pasco Tri Cities flights.
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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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High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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 November 20, 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

Thu 1/8

7:30 am-11:09 pm

1 stop18h 39m

Pasco Tri Cities

Mon 1/12

1:00 pm-11:10 pm

1 stop7h 10m

$285

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sat 12/6

4:00 pm-8:58 pm

1 stop7h 58m

Pasco Tri Cities

Wed 12/10

5:04 am-4:30 pm

1 stop8h 26m

$339

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sat 12/6

3:38 pm-10:59 pm

2 stops10h 21m

Pasco Tri Cities

Wed 12/10

6:00 am-6:12 pm

1 stop9h 12m

$344

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Fri 12/12

5:37 pm-10:51 am

2 stops20h 14m

Pasco Tri Cities

Tue 1/6

6:00 am-5:43 pm

1 stop8h 43m

$380

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Wed 4/22

10:00 am-2:47 pm

1 stop7h 47m

Pasco Tri Cities

Wed 4/29

1:40 pm-11:52 pm

1 stop7h 12m

$408

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Wed 4/22

4:03 pm-8:57 pm

1 stop7h 54m

Pasco Tri Cities

Wed 4/29

5:25 am-9:04 pm

2 stops12h 39m

$414

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Thu 12/18

11:06 am-10:59 pm

2 stops14h 53m

Pasco Tri Cities

Tue 1/6

5:35 pm-11:10 pm

1 stop26h 35m

$478

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sun 12/14

7:34 am-10:51 am

1 stop30h 17m

Pasco Tri Cities

Mon 12/15

6:12 pm-6:06 am

1 stop8h 54m

$509

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sun 12/21

6:43 pm-12:17 am

1 stop8h 34m

Pasco Tri Cities

Tue 1/6

6:00 am-5:43 pm

1 stop8h 43m

$540

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Fri 12/12

4:00 pm-8:58 pm

1 stop7h 58m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 15 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.

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 November 20, 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 25% on airfare.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Pasco?

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 18h 39m. 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
Richland

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