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Dulles Intl

$149+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
PSC — IAD
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$291
(Trip.com)

One-way from

$149
(Hawaiian Airlines)

Popular in

July

Cheapest in

October

Average price

$962
Provider with most accurate pricing for Pasco Tri Cities-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Pasco Tri Cities-Washington, D.C. Dulles Intl flights.
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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. 31% potential increase in price ($332 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($76 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 25, 2025.

This Trip.com deal was found by Cheapflights users on 3/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/712:58 pmPSC - IAD
1 stop8h 00mMultiple Airlines
Wed 5/146:30 amIAD - PSC
1 stop8h 48mMultiple Airlines
Deal found 3/23$291
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/211:35 pmPSC - IAD
1 stop8h 34mUnited Airlines
Sat 5/3112:35 pmIAD - PSC
1 stop9h 18mUnited Airlines
Deal found 3/23$308
This Hawaiian Airlines deal was found by Cheapflights users on 3/24. 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.
Sat 4/2611:31 amPSC - IAD
1 stop9h 27mHawaiian Airlines
Sat 5/36:30 amIAD - PSC
1 stop8h 48mHawaiian Airlines
Deal found 3/24$316
This Delta deal was found by Cheapflights users on 3/23. 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.
Sat 4/2612:30 pmPSC - IAD
1 stop8h 01mDelta
Sat 5/32:45 pmIAD - PSC
1 stop8h 14mDelta
Deal found 3/23$317
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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.
Thu 5/2912:53 pmPSC - IAD
2 stops14h 02mAlaska Airlines
Mon 6/26:15 pmIAD - PSC
1 stop8h 44mAlaska Airlines
Deal found 3/23$496

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 March 25, 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

Wed 5/7

12:58 pm-11:58 pm

1 stop8h 00m

Washington, D.C. Dulles Intl

Wed 5/14

6:30 am-12:18 pm

1 stop8h 48m

$291

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Wed 5/21

1:35 pm-1:09 am

1 stop8h 34m

Washington, D.C. Dulles Intl

Sat 5/31

12:35 pm-6:53 pm

1 stop9h 18m

$308

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sat 4/26

11:31 am-11:58 pm

1 stop9h 27m

Washington, D.C. Dulles Intl

Sat 5/3

6:30 am-12:18 pm

1 stop8h 48m

$316

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Sat 4/26

12:30 pm-11:31 pm

1 stop8h 01m

Washington, D.C. Dulles Intl

Sat 5/3

2:45 pm-7:59 pm

1 stop8h 14m

$317

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Thu 5/29

12:53 pm-5:55 am

2 stops14h 02m

Washington, D.C. Dulles Intl

Mon 6/2

6:15 pm-11:59 pm

1 stop8h 44m

$496

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Wed 4/30

12:58 pm-11:58 pm

1 stop8h 00m

$149

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Wed 4/30

12:58 pm-5:59 pm

2 stops26h 01m

$212

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Mon 6/16

9:30 am-11:19 pm

2 stops10h 49m

$356

PascoWashington, D.C.

PSC - IAD

PSCIAD

Pasco Tri Cities

Mon 6/16

5:20 am-9:19 pm

3 stops12h 59m

$1,513

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Pasco-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% 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 FlightHub the most. FlightHub 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 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 March 25, 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 March 25, 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
9,782 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

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
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

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
7,890 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

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
2,330 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

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
8,605 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.1

Entertainment

7.1

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 1 airline. 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 $308. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from $316, and Delta, from $317. United Airlines is priced at 56% 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 Hawaiian Airlines ($149), Alaska Airlines ($212), and Delta ($356).

  • 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 June is currently the most expensive (average of $387). 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
Fairfax
Tysons
Springfield
Rockville
Woodbridge
Gaithersburg
Fredericksburg
Linthicum Heights
Silver Spring
Falls Church
Laurel
Easton
Herndon
Sterling
Bowie
Gettysburg
National Harbor
Oxon Hill

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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 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$295Average$511FlexibilityNo cancel feeOn-timeN/A
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