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$202+ Cheap flights from Dulles Intl (IAD) to Pasco (PSC)

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PSC
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheap flight deals from Dulles Intl to Pasco

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

$307
(Alaska Airlines)

One-way from

$202
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$472
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Pasco Tri Cities flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Pasco Tri Cities flights.
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From Washington, D.C. Dulles Intl to Pasco Tri Cities
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One-way flight from Washington, D.C. Dulles Intl to Pasco Tri Cities
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Highest demand for flights based on searches. 3% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 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 Dulles Intl to Pasco

Cheapest flights from Dulles Intl to Pasco
Explore the most affordable flight options available from Dulles Intl to Pasco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:30 amIAD - PSC
1 stop8h 48mAlaska Airlines
Sat 5/1012:58 pmPSC - IAD
1 stop8h 00mAlaska Airlines
Deal found 3/24$307
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:00 amIAD - PSC
2 stops14h 01mDelta
Sat 5/1011:39 amPSC - IAD
1 stop9h 14mDelta
Deal found 3/24$313
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.
Tue 4/87:00 amIAD - PSC
1 stop8h 56mHawaiian Airlines
Tue 4/156:32 pmPSC - IAD
1 stop8h 02mHawaiian Airlines
Deal found 3/24$470
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/82:40 pmIAD - PSC
1 stop9h 20mUnited Airlines
Tue 4/155:15 amPSC - IAD
1 stop7h 17mUnited Airlines
Deal found 3/24$471
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/85:00 amIAD - PSC
2 stops11h 20mAmerican Airlines
Tue 4/155:15 amPSC - IAD
2 stops14h 27mAmerican Airlines
Deal found 3/24$481
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/76:35 amIAD - PSC
2 stops17h 08mMultiple Airlines
Fri 4/118:40 pmPSC - IAD
2 stops35h 10mMultiple Airlines
Deal found 3/24$605

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Pasco 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 Washington, D.C. Dulles Intl Airport to Pasco that are best for you.

Fly from

Dulles Intl

Fly to

Pasco

Route

Depart

Return

Price

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Tue 5/6

6:30 am-12:18 pm

1 stop8h 48m

Pasco Tri Cities

Sat 5/10

12:58 pm-11:58 pm

1 stop8h 00m

$307

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Tue 5/6

6:00 am-5:01 pm

2 stops14h 01m

Pasco Tri Cities

Sat 5/10

11:39 am-11:53 pm

1 stop9h 14m

$313

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Tue 4/8

7:00 am-12:56 pm

1 stop8h 56m

Pasco Tri Cities

Tue 4/15

6:32 pm-5:34 am

1 stop8h 02m

$470

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Tue 4/8

2:40 pm-9:00 pm

1 stop9h 20m

Pasco Tri Cities

Tue 4/15

5:15 am-3:32 pm

1 stop7h 17m

$471

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Tue 4/8

5:00 am-1:20 pm

2 stops11h 20m

Pasco Tri Cities

Tue 4/15

5:15 am-10:42 pm

2 stops14h 27m

$481

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Mon 4/7

6:35 am-8:43 pm

2 stops17h 08m

Pasco Tri Cities

Fri 4/11

8:40 pm-10:50 am

2 stops35h 10m

$605

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Mon 5/5

7:13 pm-8:51 pm

1 stop28h 38m

$202

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sat 7/12

7:30 am-11:52 am

1 stop7h 22m

$260

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Sun 3/30

4:00 pm-8:48 pm

1 stop7h 48m

$520

Washington, D.C.Pasco

IAD - PSC

IADPSC

Washington, D.C. Dulles Intl

Thu 4/3

12:40 pm-11:59 pm

3 stops14h 19m

$653

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Compare providers for flights from Dulles Intl to Pasco

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 Dulles Intl to Pasco in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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 Washington, D.C. Dulles Intl Airport-Pasco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Pasco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Pasco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Pasco 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 Washington, D.C. Dulles Intl Airport-Pasco 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 Dulles Intl to Pasco

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

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

Find hourly flight availability from Dulles Intl to Pasco. 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.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Pasco is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 14% on airfare.

Rainfall in Pasco by month

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

In terms of precipitation, rainfall in Pasco ranges from 0.3 - 1.2 inches per month. January is typically the wettest month, when rainfall can reach 1.2 in. July is typically the driest time to visit Pasco when rainfall is around 0.3 in.

Temperature in Pasco by month

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

If weather is an important factor for your trip to Pasco, 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 73.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Pasco

Get insights into the airlines that provide service to Pasco. 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 Pasco. Reviews last updated March 25, 2025.
To help decide which airline to fly from Washington, D.C. to Pasco, see what other customers have to say about Alaska Airlines, Delta and Hawaiian Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,785 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,330 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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

    For a flight from Washington, D.C. Dulles Intl to Pasco, you will be flying into Tri Cities. Pasco Tri Cities (PSC) is just 1.9 mi from the center of the city. Tri Cities is the only Pasco airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 3 airlines have flights to Pasco Tri Cities from Washington, D.C. Dulles Intl on a regular basis.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Pasco round-trip?

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Pasco is Alaska Airlines. Our recent data shows that you can find tickets from as low as $307 on this airline. Additional options worth looking into are Delta and Hawaiian Airlines, starting at $313 and $397 round-trip. These flights start at 50% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $202. Users have also found prices from $260 and $520 on Delta and United Airlines, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Pasco (average of $349). Flying from Washington, D.C. Dulles Intl Airport to Pasco in June is currently the most expensive (average of $537). 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
Kennewick
Richland

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Alternative routes for Dulles Intl to Pasco

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

Discover the top 3 airlines that operate flights from Dulles Intl to Pasco. 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
Alaska AirlinesCheapest$401Average$700FlexibilityNo cancel feeOn-time75%
DeltaCheapest$432Average$778FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$474Average$513FlexibilityNo cancel feeOn-time69%
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