HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$130+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
PSC — IAD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pasco to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Round-trip from

$304
(Delta)

One-way from

$130
(Delta)

Popular in

March

Cheapest in

October

Average price

$386
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. 24% potential increase in price ($177 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/12. 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 7/225:48 pmPSC - IAD
1 stop9h 09mDelta
Tue 7/296:00 amIAD - PSC
2 stops9h 14mDelta
Deal found 6/12$304
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/91:36 pmPSC - IAD
1 stop8h 09mUnited Airlines
Wed 7/166:30 amIAD - PSC
1 stop9h 25mUnited Airlines
Deal found 6/10$309
This Trip.com deal was found by Cheapflights users on 6/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/97:52 pmPSC - IAD
1 stop8h 35mMultiple Airlines
Wed 7/166:30 amIAD - PSC
1 stop9h 06mMultiple Airlines
Deal found 6/9$319
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 7/91:30 pmPSC - IAD
1 stop7h 29mAlaska Airlines
Wed 7/168:19 pmIAD - PSC
2 stops17h 30mAlaska Airlines
Deal found 6/9$406
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 7/257:52 pmPSC - IAD
1 stop8h 35mHawaiian Airlines
Mon 7/286:30 amIAD - PSC
1 stop9h 06mHawaiian Airlines
Deal found 6/10$478
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sun 6/155:05 amPSC - IAD
2 stops14h 34mAmerican Airlines
Fri 8/1510:25 amIAD - PSC
2 stops13h 23mAmerican Airlines
Deal found 6/10$699

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 June 12, 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 7/22

5:48 pm-5:57 am

1 stop9h 09m

Washington, D.C. Dulles Intl

Tue 7/29

6:00 am-12:14 pm

2 stops9h 14m

$304

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Wed 7/9

1:36 pm-12:45 am

1 stop8h 09m

Washington, D.C. Dulles Intl

Wed 7/16

6:30 am-12:55 pm

1 stop9h 25m

$309

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Wed 7/9

7:52 pm-7:27 am

1 stop8h 35m

Washington, D.C. Dulles Intl

Wed 7/16

6:30 am-12:36 pm

1 stop9h 06m

$319

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Wed 7/9

1:30 pm-11:59 pm

1 stop7h 29m

Washington, D.C. Dulles Intl

Wed 7/16

8:19 pm-10:49 am

2 stops17h 30m

$406

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Fri 7/25

7:52 pm-7:27 am

1 stop8h 35m

Washington, D.C. Dulles Intl

Mon 7/28

6:30 am-12:36 pm

1 stop9h 06m

$478

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sat 11/22

9:00 am-10:18 pm

2 stops10h 18m

Washington, D.C. Dulles Intl

Sat 11/29

11:30 am-7:26 pm

2 stops10h 56m

$1,868

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Fri 7/25

5:48 pm-5:57 am

1 stop9h 09m

$130

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Fri 7/25

1:36 pm-12:45 am

1 stop8h 09m

$180

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Tue 12/9

6:01 am-5:55 pm

1 stop8h 54m

$194

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Fri 7/25

9:35 am-11:43 am

2 stops23h 08m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 11 results
1
2

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 is the cheapest time of day to fly from PSC to IAD?

Find hourly flight availability from Pasco to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Pasco to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 28% versus a flight at noon.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Hawaiian Airlines from Pasco to Washington, D.C.. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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 2 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 $304. Other airlines that can offer you cheap pricing are United Airlines, from $309, and Alaska Airlines, from $406. Delta is priced at 43% 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 ($130), United Airlines ($180), and Alaska Airlines ($194).

  • 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 July is currently the most expensive (average of $349). 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
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Sterling
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pasco to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Dulles Intl flights
Seattle to Baltimore flights
Seattle to Reagan-National flights
Portland to Reagan-National flights
Portland to Dulles Intl flights
Portland to Baltimore flights
Spokane to Dulles Intl flights
Pasco to Baltimore flights
Pasco to Reagan-National flights
Spokane to Baltimore flights
Spokane to Reagan-National flights
Wenatchee to Reagan-National flights
Wenatchee to Dulles Intl flights
Wenatchee to Baltimore flights
Bellingham to Baltimore flights
Bellingham to Reagan-National flights
Bellingham to Dulles Intl flights
Walla Walla to Baltimore flights
Yakima to Baltimore flights
Yakima to Dulles Intl flights
Yakima to Reagan-National flights
Pullman to Reagan-National flights
Pullman to Dulles Intl flights
Pullman to Baltimore flights
Walla Walla to Dulles Intl flights
Walla Walla to Reagan-National flights

Top 2 airlines flying from Pasco to Dulles Intl

Discover the top 2 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$265Average$573FlexibilityNo cancel feeOn-time69%
DeltaCheapest$295Average$504FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.