$134 Cheap Flights from Seattle (SEA) to Pasco (PSC)

Seattle (SEA) to Pasco (PSC) at a glance

Travel from Seattle (SEA) to Pasco (PSC) with a range of airlines on this convenient domestic route. Evaluate various options for Seattle to Pasco flights, ensuring you find the itinerary that aligns with your budget and schedule as you visit Pasco's notable attractions. Discover essential information about flight time and fare flights from Seattle - Tacoma International Airport to Tri-Cities Airport for a smooth journey.

• Fastest flight duration: around 1 hour non-stop
• Route distance: roughly 150 miles (240 km)
• Flights per week: around 15+ flights with multiple daily departures on average
• Typical fares (one-way): economy tickets often range from $60–$295, depending on seasonality and how far ahead you book

Flights from Seattle - Tacoma International Airport (SEA) to Tri-Cities Airport (PSC)

According to recent traveler bookings, here are the top airlines preferred for non-stop flights from Seattle to Pasco. These selections allow you to easily compare prices, total travel times, and cabin classes to create the ideal itinerary tailored to your needs.

• Alaska Airlines: This full-service airline provides non-stop flights, with one-way ticket prices generally between $60 and $300. It represents about 58% of all departures on this route, offering a total travel time of 1 hour.
• Delta: Another full-service airline, Delta also offers non-stop flights, with one-way fares typically ranging from $60 to $305. It accounts for around 40% of the departures on this route, with a journey duration of 1 hour.
• Hawaiian Airlines: As a full-service carrier, Hawaiian Airlines provides non-stop service, with one-way prices usually falling between $80 and $270. This airline makes up about 1% of departures on this route, featuring a total travel time of 1 hour.

Travelers flying from Seattle to Pasco can enhance their journey by upgrading their flight. Delta provides first class and premium economy options, while Alaska Airlines features first class and business class for a more luxurious experience.

Best time to fly from Seattle (SEA) to Pasco (PSC)

The most popular months for travelers flying from Seattle to Pasco are January, February, and December, when peak temperatures in Pasco reach up to 37.8°F in February. If you prefer quieter travel, consider August, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 78.8°F. For better deals, May usually offers the lowest average one-way fare around $145. Flight availability peaks in December, with approximately 19 flights per week, making it easier to find convenient departure times.

• Cheapest time to fly: May usually offers good deals with average one-way fare around $145, roughly 12% cheaper than the yearly average.
• More budget-friendly months to fly: November, January, and February typically offer average one-way fares roughly ranging from $146 to $158.
• Most flight options: December has the highest number of flights from Seattle to Pasco, with approximately 19 flights per week, giving you more flexibility in scheduling your trip.

*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 Seattle (SEA) to Pasco (PSC)

• Seattle to Pasco (BFI-PSC): Boeing Field Airport (BFI) is located approximately 6 miles from Seattle-Tacoma International Airport (SEA), providing a convenient alternative for travelers heading to Pasco.

How to find the best prices for flights from Seattle (SEA) to Pasco (PSC)

Getting some of the best deals on flights from Seattle 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 typically available when booking at least two months in advance, although most travelers tend to book between two to eight weeks ahead. Morning departures (5 am to 12 pm) usually offer lower prices, while evening flights (6 pm to 12 am) are more popular. Additionally, flying on Fridays provides both cheaper rates and increased demand.
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 Seattle - Tacoma International Airport

Pasco welcomes travelers from Seattle with a range of transport options based on price, convenience, and proximity. For departures, Seattle - Tacoma International Airport is roughly a 20-minute drive (covering about 14 miles) from central Seattle. 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, also reachable by car.

Seattle to Pasco Flights

The cheapest times to fly from Seattle 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 Seattle to Pasco are during the month of November. You can find some of the cheapest flights from Seattle to Pasco with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Seattle to Pasco

Sunday is one of the best days to book for cheap flights from Seattle 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 Seattle 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 Seattle to Pasco in 2026. You can also book with separate airlines for your outbound and return journeys, from $134 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 Seattle 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 Seattle 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.