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Dulles Intl

$195+ 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
PSC — IAD
Aug 20 — Aug 271
Wed 8/20
Wed 8/27
1 adult, Economy
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Cheap 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 August 15, 2025.

Round-trip from

$319
(Delta)

One-way from

$195
(Delta)

Popular in

March

Cheapest in

August

Average price

$351
From Pasco Tri Cities to Washington, D.C. Dulles Intl
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One-way flight from Pasco Tri Cities to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 26% potential increase in price ($187 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($35 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 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 August 15, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:00 pmPSC - IAD
1 stop8h 40mDelta
Tue 11/43:00 pmIAD - PSC
1 stop7h 40mDelta
Deal found 8/14$319
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.
Tue 10/71:00 pmPSC - IAD
1 stop8h 40mDelta
Tue 10/2112:27 pmIAD - PSC
2 stops14h 04mDelta
Deal found 8/15$324
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:00 amPSC - IAD
2 stops10h 24mDelta
Tue 11/43:33 pmIAD - PSC
2 stops10h 58mDelta
Deal found 8/14$329
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/204:06 pmPSC - IAD
1 stop12h 27mAlaska Airlines
Mon 9/226:09 pmIAD - PSC
1 stop8h 59mAlaska Airlines
Deal found 8/13$353
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:40 amPSC - IAD
1 stop8h 53mDelta
Tue 11/43:00 pmIAD - PSC
1 stop7h 40mDelta
Deal found 8/14$354
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.
Wed 9/175:47 pmPSC - IAD
1 stop9h 14mDelta
Sat 9/202:15 pmIAD - PSC
1 stop8h 32mDelta
Deal found 8/15$367
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/11:00 pmPSC - IAD
1 stop8h 40mDelta
Mon 11/33:00 pmIAD - PSC
1 stop7h 40mDelta
Deal found 8/14$379
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:00 pmPSC - IAD
1 stop8h 40mDelta
Sun 11/27:35 amIAD - PSC
1 stop18h 20mDelta
Deal found 8/14$381
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/238:45 amPSC - IAD
1 stop19h 48mAlaska Airlines
Fri 9/266:09 pmIAD - PSC
1 stop21h 19mAlaska Airlines
Deal found 8/14$382
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 9/181:05 pmPSC - IAD
1 stop8h 18mHawaiian Airlines
Mon 9/297:00 amIAD - PSC
1 stop8h 28mHawaiian Airlines
Deal found 8/15$388

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 August 15, 2025.
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

Pasco

Fly to

Dulles Intl

Route

Depart

Return

Price

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sat 11/1

1:00 pm-12:40 am

1 stop8h 40m

Washington, D.C. Dulles Intl

Tue 11/4

3:00 pm-7:40 pm

1 stop7h 40m

$319

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Fri 10/31

1:00 pm-12:40 am

1 stop8h 40m

Washington, D.C. Dulles Intl

Tue 11/4

3:00 pm-7:40 pm

1 stop7h 40m

$319

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 10/7

1:00 pm-12:40 am

1 stop8h 40m

Washington, D.C. Dulles Intl

Tue 10/21

12:27 pm-11:31 pm

2 stops14h 04m

$324

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sat 9/20

4:06 pm-7:33 am

1 stop12h 27m

Washington, D.C. Dulles Intl

Mon 9/22

6:09 pm-12:08 am

1 stop8h 59m

$353

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Fri 10/31

3:05 pm-5:27 am

1 stop11h 22m

Washington, D.C. Dulles Intl

Mon 11/3

3:25 pm-11:07 pm

1 stop10h 42m

$354

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sat 11/1

1:00 pm-12:40 am

1 stop8h 40m

Washington, D.C. Dulles Intl

Mon 11/3

3:00 pm-7:40 pm

1 stop7h 40m

$354

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Thu 10/30

11:40 am-11:33 pm

1 stop8h 53m

Washington, D.C. Dulles Intl

Tue 11/4

3:00 pm-7:40 pm

1 stop7h 40m

$354

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sat 11/1

1:00 pm-12:40 am

1 stop8h 40m

$195

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sat 11/1

5:05 am-8:27 am

3 stops24h 22m

$450

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

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.

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 August 15, 2025.
Read through reviews of airlines operating flights from Pasco to Washington, D.C. Dulles Intl Airport, such as Alaska Airlines, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,985 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 3 airlines. Pasco Tri Cities is conveniently located just 1.9 mi from Pasco’s city center.

  • What are the cheapest airlines flying 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 $265. Other airlines that can offer you cheap pricing are Delta, from $294, and Alaska Airlines, from $338. United Airlines is priced at 49% lower than the current average price of a flight leaving 3 months from now.

  • 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.

  • What is the cheapest month to book a flight from Pasco to Washington, D.C. Dulles Intl Airport?

    Currently, July is the cheapest month in which you can book a flight from Pasco to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Pasco to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Pasco to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Pasco to Dulles Intl

Discover the top 3 airlines 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 August 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$265Average$513FlexibilityNo cancel feeOn-time69%
DeltaCheapest$294Average$384FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$338Average$468FlexibilityNo cancel feeOn-time75%

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