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Dulles Intl

$230+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
PSC — IAD
Jul 23 — Jul 301
Wed 7/23
Wed 7/30
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 July 18, 2025.

Round-trip from

$318
(Alaska Airlines)

One-way from

$230
(Delta)

Popular in

March

Cheapest in

October

Average price

$431
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. 24% potential increase in price ($177 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 July 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 July 18, 2025.

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.
Tue 9/94:06 pmPSC - IAD
1 stop12h 27mAlaska Airlines
Sat 9/139:00 amIAD - PSC
1 stop9h 29mAlaska Airlines
Deal found 7/16$318
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.
Tue 9/912:45 pmPSC - IAD
1 stop7h 47mDelta
Sat 9/137:05 amIAD - PSC
1 stop8h 17mDelta
Deal found 7/15$319
This Hawaiian Airlines deal was found by Cheapflights users on 7/17. 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 9/121:05 pmPSC - IAD
1 stop8h 18mHawaiian Airlines
Mon 9/159:00 amIAD - PSC
1 stop9h 29mHawaiian Airlines
Deal found 7/17$388
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/111:36 pmPSC - IAD
1 stop8h 09mUnited Airlines
Thu 8/146:30 amIAD - PSC
1 stop9h 25mUnited Airlines
Deal found 7/16$389
This eDestinos deal was found by Cheapflights users on 7/17. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/318:45 amPSC - IAD
2 stops18h 45mMultiple Airlines
Sun 9/75:52 pmIAD - PSC
2 stops18h 00mMultiple Airlines
Deal found 7/17$449
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:00 amPSC - IAD
2 stops11h 45mAmerican Airlines
Mon 11/38:50 amIAD - PSC
2 stops13h 36mAmerican Airlines
Deal found 7/16$488

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 18, 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

Tue 9/9

4:06 pm-7:33 am

1 stop12h 27m

Washington, D.C. Dulles Intl

Sat 9/13

9:00 am-3:29 pm

1 stop9h 29m

$318

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 9/9

12:45 pm-11:32 pm

1 stop7h 47m

Washington, D.C. Dulles Intl

Sat 9/13

7:05 am-12:22 pm

1 stop8h 17m

$319

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Fri 9/12

1:05 pm-12:23 am

1 stop8h 18m

Washington, D.C. Dulles Intl

Mon 9/15

9:00 am-3:29 pm

1 stop9h 29m

$388

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Mon 8/11

1:36 pm-12:45 am

1 stop8h 09m

Washington, D.C. Dulles Intl

Thu 8/14

6:30 am-12:55 pm

1 stop9h 25m

$389

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sun 8/31

8:45 am-6:30 am

2 stops18h 45m

Washington, D.C. Dulles Intl

Sun 9/7

5:52 pm-8:52 am

2 stops18h 00m

$449

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sat 11/1

5:00 am-7:45 pm

2 stops11h 45m

Washington, D.C. Dulles Intl

Mon 11/3

8:50 am-7:26 pm

2 stops13h 36m

$488

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Fri 8/8

5:48 pm-5:57 am

1 stop9h 09m

$230

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Wed 8/13

11:29 am-11:59 pm

1 stop9h 30m

$236

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Mon 8/11

1:36 pm-12:45 am

1 stop8h 09m

$245

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Wed 8/13

5:00 am-6:56 pm

2 stops10h 56m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 12 results
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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 July 18, 2025.
Read through reviews of airlines operating flights from Pasco to Washington, D.C. Dulles Intl Airport, such as Alaska Airlines, Delta, and Hawaiian 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

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,958 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.8
Good
2,581 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,864 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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 $318. Other airlines that can offer you cheap pricing are Delta, from $319, and Hawaiian Airlines, from $388. Alaska Airlines is priced at 40% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Pasco to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airlines for a one-way flight from Pasco to Washington, D.C. Dulles Intl Airport are Delta ($230), Alaska Airlines ($236), and United Airlines ($245).

  • 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, August is the cheapest month in which you can book a flight from Pasco to Washington, D.C. Dulles Intl Airport (average of $309). 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
Fredericksburg
Gaithersburg
Easton
Fairfax
Towson
Linthicum Heights
Falls Church
Waldorf
Laurel
Rockville
Oxon Hill
Springfield
National Harbor
Manassas
Dundalk

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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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Walla Walla to Dulles Intl flights
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Walla Walla to Baltimore flights

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 July 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$265Average$513FlexibilityNo cancel feeOn-time69%
DeltaCheapest$294Average$413FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$338Average$468FlexibilityNo cancel feeOn-time75%

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