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Dulles Intl

$213+ Cheap flights from Pasco (PSC) to Dulles Intl (IAD)

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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
PSC — IAD
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
1 adult, Economy
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Cheap flight deals from Pasco to Dulles Intl

Cheapest flights from Pasco to Dulles Intl
Explore the most affordable flight options available from Pasco to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/109:01 pm
PSC
-
IAD
1 stop8h 19m
Multiple Airlines
Fri 8/288:59 am
IAD
-
PSC
1 stop11h 15m
Multiple Airlines
Deal found 7/22$420
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 12/21:30 pm
PSC
-
IAD
1 stop7h 29m
Alaska Airlines
Sat 12/57:00 am
IAD
-
PSC
1 stop8h 37m
Alaska Airlines
Deal found 7/22$425
This Delta deal was found by Cheapflights users on 7/21. 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 9/58:42 am
PSC
-
IAD
2 stops11h 44m
Delta
Tue 9/87:25 am
IAD
-
PSC
1 stop7h 31m
Delta
Deal found 7/21$440
This Delta deal was found by Cheapflights users on 7/21. 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 9/58:42 am
PSC
-
IAD
2 stops11h 44m
Delta
Wed 9/95:15 pm
IAD
-
PSC
2 stops9h 39m
Delta
Deal found 7/21$445
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 9/45:17 pm
PSC
-
IAD
1 stop9h 23m
Alaska Airlines
Tue 9/85:57 pm
IAD
-
PSC
1 stop8h 56m
Alaska Airlines
Deal found 7/23$452
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 9/31:51 pm
PSC
-
IAD
1 stop7h 08m
Alaska Airlines
Tue 9/85:57 pm
IAD
-
PSC
1 stop8h 56m
Alaska Airlines
Deal found 7/21$461
This Delta deal was found by Cheapflights users on 7/22. 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 11/2611:45 am
PSC
-
IAD
1 stop9h 01m
Delta
Tue 12/17:05 am
IAD
-
PSC
1 stop7h 51m
Delta
Deal found 7/22$462
This Delta deal was found by Cheapflights users on 7/23. 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 9/412:30 pm
PSC
-
IAD
1 stop8h 29m
Delta
Tue 9/85:15 pm
IAD
-
PSC
2 stops9h 39m
Delta
Deal found 7/23$467
This Delta deal was found by Cheapflights users on 7/21. 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 8/245:24 pm
PSC
-
IAD
2 stops12h 56m
Delta
Wed 8/265:25 pm
IAD
-
PSC
2 stops9h 08m
Delta
Deal found 7/21$472

Find flight deals from Pasco to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Pasco (PSC) to Dulles Intl (IAD). 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 26, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$420
(Kiwi.com)

One-way from

$213
(Priceline)

Popular in

June

Cheapest in

February

Average price

$678
Provider with most accurate pricing for Pasco Tri Cities-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Pasco Tri Cities-Washington, D.C. Dulles Intl flights.
Search Deals
From Pasco Tri Cities to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Pasco Tri Cities to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 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 Pasco to Dulles Intl 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 26, 2026.
Use the filters below to find and compare flights from Pasco to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Wed 12/2

1:30 pm-11:59 pm

1 stop7h 29m

Washington, D.C. Dulles Intl

Sat 12/5

7:00 am-12:37 pm

1 stop8h 37m

$425

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Thu 9/3

1:51 pm-11:59 pm

1 stop7h 08m

Washington, D.C. Dulles Intl

Tue 9/8

5:57 pm-11:53 pm

1 stop8h 56m

$461
Quickest round-trip

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sat 9/5

2:04 pm-11:59 pm

1 stop6h 55m

Washington, D.C. Dulles Intl

Tue 9/8

5:57 pm-11:53 pm

1 stop8h 56m

$461

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Mon 8/24

5:24 pm-9:20 am

2 stops12h 56m

Washington, D.C. Dulles Intl

Fri 8/28

7:10 am-2:44 pm

1 stop10h 34m

$494

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Fri 9/4

4:00 pm-5:40 am

2 stops10h 40m

Washington, D.C. Dulles Intl

Tue 9/8

7:00 am-3:23 pm

2 stops11h 23m

$496

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sun 8/9

12:30 pm-11:59 pm

1 stop8h 29m

Washington, D.C. Dulles Intl

Sun 8/16

7:10 am-2:44 pm

1 stop10h 34m

$545

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Wed 8/19

5:17 pm-5:40 am

1 stop9h 23m

Washington, D.C. Dulles Intl

Wed 8/26

7:00 am-3:23 pm

2 stops11h 23m

$545
Cheapest one-way

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sat 10/24

5:20 am-8:09 pm

2 stops11h 49m

$223
Quickest one-way

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sun 12/6

11:29 am-11:59 pm

1 stop9h 30m

$249

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sun 12/6

7:05 am-12:20 am

2 stops14h 15m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Pasco to Dulles Intl

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 Pasco to Dulles Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 Pasco-Washington, D.C. Dulles Intl Airport flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Pasco-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Pasco-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Pasco-Washington, D.C. Dulles Intl Airport 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 Pasco-Washington, D.C. Dulles Intl Airport 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 Pasco to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Pasco 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 Pasco to Washington, D.C. Dulles Intl Airport

What’s the top layover airport for flights from Pasco to Washington, D.C. Dulles Intl Airport?

Share of 1-stop round-trip flights from Pasco to Washington, D.C. Dulles Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Seattle (SEA) – chosen by Cheapflights users on 86% of 1-stop itineraries from Pasco to Washington, D.C. Dulles Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Pasco to Washington, D.C. Dulles Intl Airport?

Average round-trip fare for 1-stop flights from Pasco to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Seattle (SEA) is the most affordable 1-stop option, with an average round-trip price of $620.

What’s the fastest layover option from Pasco to Washington, D.C. Dulles Intl Airport?

Shortest average travel time for 1-stop one-way flights from Pasco to Washington, D.C. Dulles Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 7h 36m.

Which airport typically offers the quickest layover for flights from Pasco to Washington, D.C. Dulles Intl Airport?

Average layover duration for 1-stop one-way flights from Pasco to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 35m.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated July 26, 2026.
Read through reviews of airlines operating flights from Pasco to Washington, D.C. Dulles Intl Airport, such as Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,717 reviews

Food

7.0

Entertainment

7.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Alaska Airlines
7.9
Good
12,717 reviews
Alaska Airlines
7.9
Good
12,717 reviews

Food

7.0

Entertainment

7.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Related info for your journey

Find useful and relevant information for your journey from Pasco to Dulles Intl. 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 from for flights from Pasco to Washington, D.C. Dulles Intl?

    Most people fly from Pasco Tri Cities (PSC) if they book a flight from Pasco to Washington, D.C. Dulles Intl. On average, Tri Cities has 0 outbound flights to Washington, D.C. Dulles Intl per day from 1 airline. Pasco Tri Cities is conveniently located just 1.9 mi from Pasco’s city center.

  • How long is the flight from Pasco to Washington, D.C. Dulles Intl Airport?

    For as low as $425, Alaska Airlines can have you in Washington, D.C. Dulles Intl Airport from Pasco in 7h 29m. Airlines will cover a distance of 2151 mi.

  • What is the cheapest airline to fly from Pasco to Washington, D.C. Dulles Intl Airport round-trip?

    Cheapflights users have booked flights from Pasco to Washington, D.C. Dulles Intl Airport round-trip from $353.

  • Can I find deals for flights from Pasco to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Pasco to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pasco to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pasco to Dulles Intl.

  • Can I find deals for business class flights from Pasco to Dulles Intl?

    Yes. Cheapflights offers flight deals from Pasco to Dulles Intl 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Arlington
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Sterling
Clinton
Hunt Valley
Cordova

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Pasco to Dulles Intl

Discover the top airline that operate flights from Pasco to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$353Average$605FlexibilityNo cancel feeOn-time75%

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