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$213 Cheap Flights from Washington (IAD) to Pasco (PSC)

View $213 flight on Wed, Aug 19, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Tri-Cities Airport (PSC)

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Cheap Flights from Washington to Pasco (IAD-PSC)

Prices were available within the past 7 days and start at $213 for one-way flights and $425 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Sep 9 - Sat, Sep 19
IAD
Washington
PSC
Pasco
$425 Roundtrip, found 4 days ago
$425
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Sep 9 from Washington to Pasco, returning Sat, Sep 19, priced at $425 found 4 days ago
United
Tue, Sep 1 - Sat, Sep 5
IAD
Washington
PSC
Pasco
$425 Roundtrip, found 3 days ago
$425
Roundtrip
found 3 days ago
Select United flight, departing Tue, Sep 1 from Washington to Pasco, returning Sat, Sep 5, priced at $425 found 3 days ago
Delta
Tue, Sep 1 - Sat, Sep 5
IAD
Washington
PSC
Pasco
$430 Roundtrip, found 3 days ago
$430
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Sep 1 from Washington to Pasco, returning Sat, Sep 5, priced at $430 found 3 days ago
United
Wed, Sep 9 - Sat, Sep 19
IAD
Washington
PSC
Pasco
$438 Roundtrip, found 4 days ago
$438
Roundtrip
found 4 days ago
Select United flight, departing Wed, Sep 9 from Washington to Pasco, returning Sat, Sep 19, priced at $438 found 4 days ago
Alaska Airlines
Tue, Aug 25 - Tue, Sep 15
IAD
Washington
PSC
Pasco
$448 Roundtrip, found 1 day ago
$448
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Aug 25 from Washington to Pasco, returning Tue, Sep 15, priced at $448 found 1 day ago
United
Mon, Jul 20 - Tue, Jul 21
IAD
Washington
PSC
Pasco
$452 Roundtrip, found 6 hours ago
$452
Roundtrip
found 6 hours ago
Select United flight, departing Mon, Jul 20 from Washington to Pasco, returning Tue, Jul 21, priced at $452 found 6 hours ago
Alaska Airlines
Tue, Aug 25 - Tue, Sep 15
IAD
Washington
PSC
Pasco
$453 Roundtrip, found 1 day ago
$453
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Aug 25 from Washington to Pasco, returning Tue, Sep 15, priced at $453 found 1 day ago
Alaska Airlines
Tue, Sep 1 - Sat, Sep 5
IAD
Washington
PSC
Pasco
$463 Roundtrip, found 3 days ago
$463
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Sep 1 from Washington to Pasco, returning Sat, Sep 5, priced at $463 found 3 days ago
United
Tue, Sep 1 - Sat, Sep 5
IAD
Washington
PSC
Pasco
$464 Roundtrip, found 3 days ago
$464
Roundtrip
found 3 days ago
Select United flight, departing Tue, Sep 1 from Washington to Pasco, returning Sat, Sep 5, priced at $464 found 3 days ago
American Airlines
Tue, Sep 1 - Sat, Sep 5
IAD
Washington
PSC
Pasco
$565 Roundtrip, found 3 days ago
$565
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Sep 1 from Washington to Pasco, returning Sat, Sep 5, priced at $565 found 3 days ago

Alternative airports near Pasco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Tri-Cities PSC. Cheapest and Closest option available. Average driving time to city center is 4 minutes. Flights from $503
PSC
Tri-Cities
CheapestClosest
Average driving time to city center4 min
Flights from $503

What you need to know for your flight from Washington Dulles Intl. to Tri-Cities

Washington (IAD) to Pasco (PSC) at a glance

Travel between Washington Dulles International Airport (IAD) and Tri-Cities Airport (PSC) with a range of airlines offering flights to Pasco. You can compare various options, from full-service carriers to budget-friendly choices, to find the best itinerary that suits your schedule and wallet. Discover the details for Washington to Pasco flights as you plan your visit to explore the vibrant sights and neighborhoods of Pasco.

  • Fastest flight duration: around 6h 45m in-flight, plus roughly 1h 30m layover with one stop
  • Route distance: roughly 2,200 miles (3,540 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $160–$530, depending on seasonality and how far ahead you book

Flights from Washington Dulles International Airport (IAD) to Tri-Cities Airport (PSC)

Based on the latest traveler bookings, here are the top airlines favored by passengers flying from Washington to Pasco, especially for one-stop and multi-stop flights. Common layover points include Seattle-Tacoma International Airport (SEA) with a layover of about 1 hour and 45 minutes, Denver International Airport (DEN) at approximately 1 hour and 15 minutes, and Salt Lake City International Airport (SLC), also around 1 hour and 15 minutes. This variety allows you to customize your journey based on price, total travel time, and cabin class for the ideal itinerary.

  • United: This full-service airline provides comprehensive one-stop flights, with one-way ticket prices usually falling between $185 and $625. United operates about 36% of departures on this route, featuring an in-flight duration of 6 hours and 45 minutes, and a total travel time of approximately 8 hours and 15 minutes, including layovers.
  • Alaska Airlines: Offering a full-service experience with one-stop options, Alaska Airlines' one-way fares generally range from $175 to $440. It accounts for around 33% of departures for this route, with a flight time of 6 hours and 45 minutes, and an overall journey time of about 8 hours and 15 minutes, factoring in layovers.
  • Delta: A full-service carrier, Delta provides one-stop flights with one-way fares typically ranging from $160 to $560. It operates about 27% of departures along this route, featuring an in-flight time of 6 hours and 45 minutes, and a total travel time of roughly 8 hours and 15 minutes, including layovers.
  • American Airlines: This full-service airline offers multi-stop services, with one-way fares usually between $160 and $165. American Airlines comprises about 3% of the departures on this route, with a longer in-flight duration of 8 hours and 45 minutes, and a total journey time of approximately 14 hours and 30 minutes, including layovers.

Best time to fly from Washington (IAD) to Pasco (PSC)

The most popular months for travelers flying from Washington to Pasco are February, March, and July, when peak temperatures in Pasco reach up to 80.1°F in July. If you prefer quieter travel, consider December, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 33.4°F. For better deals, April usually offers the lowest average one-way fare around $199. Flight availability peaks in November, with approximately 9 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: April usually offers good deals with average one-way fare around $199, roughly 36% cheaper than the yearly average.
  • Most flight options: November has the highest number of flights from Washington to Pasco, with approximately 9 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January34.3°F (1.3°C)Average7$336
February37.8°F (3.2°C)Slightly High8$344
March45.9°F (7.7°C)Slightly High7$360
April53.8°F (12.1°C)Average7$199
May63.7°F (17.6°C)Average8$231
June71.4°F (21.9°C)Slightly Low7$356
July80.1°F (26.7°C)Slightly High7$335
August78.8°F (26.0°C)Average8$314
September68.7°F (20.4°C)Average8$404
October55.2°F (12.9°C)Average7$244
November41.9°F (5.5°C)Slightly Low9$363
December33.4°F (0.8°C)Slightly Low7$291

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Washington (IAD) to Pasco (PSC)

  • Washington to Pasco (DCA-PSC): Ronald Reagan Washington National Airport (DCA) is located roughly 23 miles from Washington Dulles International Airport (IAD). The cost of one-way economy tickets for this journey generally falls between $160 and $590, influenced by the time of year and how early you book. Travelers can choose from both one-stop and multi-stop flights, with common layover points being Seattle - Tacoma International Airport (SEA) and Minneapolis - St. Paul International Airport (MSP). Major airlines operating on this route include Delta and American Airlines.

How to find the best prices for flights from Washington (IAD) to Pasco (PSC)

Getting some of the best deals on flights from Washington to Pasco is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Afternoon departures from 12 PM to 6 PM tend to be less expensive, while morning flights from 5 AM to 12 PM are more popular. Additionally, flying on Wednesday often yields lower prices, although Saturday remains the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Pasco hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Tri-Cities Airport from Washington Dulles International Airport

Pasco welcomes travelers from Washington with a range of transport options based on price, convenience, and proximity. For departures, Washington Dulles International Airport is roughly a 40-minute drive (covering about 29 miles) from central Washington. Here's how to reach Pasco efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Pasco, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Tri-Cities Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Tri-Cities Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Tri-Cities Airport, Pasco Station, a train station, is located about 3.5 miles away by car, while Burbank Seaport, a seaport, is situated approximately 8.3 miles away by car, making both accessible transport options for travelers.

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities) cost?
You can find cheap one-way flights from $213 and cheap return flights from $425 Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities) with Expedia. One-way flights typically cost between $341 and $1422, and return flights often range between $475 and $1892. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities)?
July is the best month to fly from Washington, DC (IAD) to Pasco (PSC), with average round-trip fares around $353. This price is about 39% lower than the average throughout the year, as July often sees a dip in travel demand. Other budget-friendly months include January and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities)?
Enter IAD to PSC and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities)?
Alaska Airlines is one of the cheapest airlines offering connecting flights from Washington Dulles Intl. (IAD) to Tri-Cities (PSC), with round-trip tickets starting from around $326 with a layover in San Diego Intl. (SAN). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities)?
For flights from Washington, DC (IAD) to Pasco, WA (PSC), July and October are the best months to fly. Average return flight prices are around $353. These months are advantageous as they typically offer lower fares and a chance to enjoy the beautiful fall scenery in Washington.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities)?
The earliest flight from Washington Dulles International Airport (IAD) to Pasco (PSC) typically departs at around 5:00 AM, operated by American Airlines. This seasonal service is available in February, allowing you to start your day early and maximize your time in Pasco. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities)?
The most popular departure times for flights from Washington, DC (IAD) to Pasco, WA (PSC) are in the early morning, from 6am to 9am. About 41% of passengers prefer this time window. Many major carriers, including Alaska Airlines, United Airlines, and Delta, offer flights during this window. This timing is favored because it allows you to arrive in Pasco with plenty of time to explore the area.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities)?
Flying from IAD to PSC with a connection usually takes about 8 hours, traveling roughly 2,152 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities)?
First class is available on flights from IAD to PSC. First class cabins are available on:

  • American Airlines
  • United Airlines
  • Delta Air Lines

How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Pasco from Washington Dulles Intl. (IAD)?
If you're planning to travel to Pasco from Washington Dulles Intl. (IAD), you can fly into Tri-Cities (PSC) Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), Dallas-Fort Worth Intl. (DFW), Hartsfield-Jackson Atlanta Intl. (ATL) before reaching Pasco. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Pasco, WA (PSC-Tri-Cities) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Tri-Cities
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$417
Distance
2151 mi

Book with confidence

Washington to Pasco Flights

The cheapest times to fly from Washington to Pasco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Pasco are during the month of September. You can find some of the cheapest flights from Washington to Pasco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Pasco

Sunday is one of the best days to book for cheap flights from Washington to Pasco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Pasco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Pasco in 2026. You can also book with separate airlines for your outbound and return journeys, from $213 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Pasco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Pasco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Pasco Flights

*Flight schedules are subject to change.

*Available to One Key members.