RM332 Cheap Flights from Seattle (SEA) to Pasco (PSC)

View RM332 flight on Sat, 13 Sep 2025Opens in a new window

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

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Cheap Flights from Seattle to Pasco (SEA-PSC)

Prices were available within the past 7 days and start at RM332 for one-way flights and RM621 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 13 Sep - Sun, 14 Sep
SEA
Seattle
PSC
Pasco
RM621 Return, found 11 hours ago
RM621
Return
found 11 hours ago
Select Delta flight, departing Sat, 13 Sep from Seattle to Pasco, returning Sun, 14 Sep, priced at RM621 found 11 hours ago
Delta
Sat, 13 Sep - Sun, 14 Sep
SEA
Seattle
PSC
Pasco
RM704 Return, found 11 hours ago
RM704
Return
found 11 hours ago
Select Delta flight, departing Sat, 13 Sep from Seattle to Pasco, returning Sun, 14 Sep, priced at RM704 found 11 hours ago
Delta
Sat, 13 Sep - Sun, 14 Sep
SEA
Seattle
PSC
Pasco
RM1,042 Return, found 11 hours ago
RM1,042
Return
found 11 hours ago
Select Delta flight, departing Sat, 13 Sep from Seattle to Pasco, returning Sun, 14 Sep, priced at RM1,042 found 11 hours ago
Alaska Airlines
Sat, 13 Sep - Sun, 14 Sep
SEA
Seattle
PSC
Pasco
RM1,083 Return, found 11 hours ago
RM1,083
Return
found 11 hours ago
Select Alaska Airlines flight, departing Sat, 13 Sep from Seattle to Pasco, returning Sun, 14 Sep, priced at RM1,083 found 11 hours ago
Delta
Sat, 13 Sep - Sun, 14 Sep
SEA
Seattle
PSC
Pasco
RM1,126 Return, found 11 hours ago
RM1,126
Return
found 11 hours ago
Select Delta flight, departing Sat, 13 Sep from Seattle to Pasco, returning Sun, 14 Sep, priced at RM1,126 found 11 hours ago
Alaska Airlines
Sat, 13 Sep - Sun, 14 Sep
SEA
Seattle
PSC
Pasco
RM1,167 Return, found 11 hours ago
RM1,167
Return
found 11 hours ago
Select Alaska Airlines flight, departing Sat, 13 Sep from Seattle to Pasco, returning Sun, 14 Sep, priced at RM1,167 found 11 hours ago
Alaska Airlines
Sat, 13 Sep - Sun, 14 Sep
SEA
Seattle
PSC
Pasco
RM1,209 Return, found 11 hours ago
RM1,209
Return
found 11 hours ago
Select Alaska Airlines flight, departing Sat, 13 Sep from Seattle to Pasco, returning Sun, 14 Sep, priced at RM1,209 found 11 hours ago
American Airlines
Sat, 13 Sep - Sun, 14 Sep
SEA
Seattle
PSC
Pasco
RM1,251 Return, found 11 hours ago
RM1,251
Return
found 11 hours ago
Select American Airlines flight, departing Sat, 13 Sep from Seattle to Pasco, returning Sun, 14 Sep, priced at RM1,251 found 11 hours ago
Alaska Airlines
Sat, 13 Sep - Sun, 14 Sep
SEA
Seattle
PSC
Pasco
RM1,292 Return, found 11 hours ago
RM1,292
Return
found 11 hours ago
Select Alaska Airlines flight, departing Sat, 13 Sep from Seattle to Pasco, returning Sun, 14 Sep, priced at RM1,292 found 11 hours ago
American Airlines
Sat, 13 Sep - Sun, 14 Sep
SEA
Seattle
PSC
Pasco
RM1,377 Return, found 11 hours ago
RM1,377
Return
found 11 hours ago
Select American Airlines flight, departing Sat, 13 Sep from Seattle to Pasco, returning Sun, 14 Sep, priced at RM1,377 found 11 hours ago
American Airlines
Sat, 13 Sep - Sun, 14 Sep
SEA
Seattle
PSC
Pasco
RM1,503 Return, found 11 hours ago
RM1,503
Return
found 11 hours ago
Select American Airlines flight, departing Sat, 13 Sep from Seattle to Pasco, returning Sun, 14 Sep, priced at RM1,503 found 11 hours ago
Delta
Sat, 13 Sep - Sun, 14 Sep
SEA
Seattle
PSC
Pasco
RM1,800 Return, found 11 hours ago
RM1,800
Return
found 11 hours ago
Select Delta flight, departing Sat, 13 Sep from Seattle to Pasco, returning Sun, 14 Sep, priced at RM1,800 found 11 hours ago
Delta
Sat, 13 Sep - Sun, 14 Sep
SEA
Seattle
PSC
Pasco
RM1,884 Return, found 11 hours ago
RM1,884
Return
found 11 hours ago
Select Delta flight, departing Sat, 13 Sep from Seattle to Pasco, returning Sun, 14 Sep, priced at RM1,884 found 11 hours ago
Delta
Sat, 13 Sep - Sun, 14 Sep
SEA
Seattle
PSC
Pasco
RM1,985 Return, found 11 hours ago
RM1,985
Return
found 11 hours ago
Select Delta flight, departing Sat, 13 Sep from Seattle to Pasco, returning Sun, 14 Sep, priced at RM1,985 found 11 hours ago
Delta
Sat, 13 Sep - Sun, 14 Sep
SEA
Seattle
PSC
Pasco
RM2,215 Return, found 11 hours ago
RM2,215
Return
found 11 hours ago
Select Delta flight, departing Sat, 13 Sep from Seattle to Pasco, returning Sun, 14 Sep, priced at RM2,215 found 11 hours ago
Alaska Airlines
Sat, 13 Sep - Sun, 14 Sep
SEA
Seattle
PSC
Pasco
RM2,231 Return, found 11 hours ago
RM2,231
Return
found 11 hours ago
Select Alaska Airlines flight, departing Sat, 13 Sep from Seattle to Pasco, returning Sun, 14 Sep, priced at RM2,231 found 11 hours ago
United
Sat, 13 Sep - Sun, 14 Sep
SEA
Seattle
PSC
Pasco
RM2,267 Return, found 11 hours ago
RM2,267
Return
found 11 hours ago
Select United flight, departing Sat, 13 Sep from Seattle to Pasco, returning Sun, 14 Sep, priced at RM2,267 found 11 hours ago

Find the cheapest month to fly from Seattle (SEA) to Pasco (PSC)

February is typically the cheapest month to fly

From RM 324 - RM 916 per traveller.

Graph displaying average flight prices per month

Seattle to Pasco route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Tri-Cities
Return price
RM621
Distance
274 km
Average flight time
1 hour 4 mins

Perfect flights from Seattle to Pasco

Your Journey from Seattle to Pasco

Start your unforgettable journey with Expedia. Our broad selection of flights from Seattle to Pasco caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, American Airlines, Alaska Airlines, United. Our selection of flights from Seattle - Tacoma Intl. to Tri-Cities caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Seattle to Pasco Flights

Experience the joy of finding cheap flights from Seattle - Tacoma Intl. to Tri-Cities that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM332 and roundtrip prices from RM621*.
 

Pre-Flight Essentials

Ensure a smooth journey from Seattle to Pasco with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Pasco

Picture yourself stepping off the plane in Pasco and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Seattle to Pasco Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Seattle to Pasco.
 

Beyond the Flight – Exploring Pasco

With Expedia, your adventure extends beyond the flight. Explore Pasco at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Seattle to Pasco with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Seattle to Pasco with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to PSC?
Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Sea-Tac Airport and Tri-Cities Airport (PSC) start from RM621. Make your booking today to secure the best price for your journey. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to PSC?
Most flights can be cancelled online, but whether or not you incur a fee depends on your airline. If you do have to cancel your getaway, follow the instructions in the Customer Service Portal.
How do I find cheap flights from SEA to PSC that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seattle - Tacoma Intl. Airport (SEA) to PSC flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SEA to PSC?
A flight distance of just 280 kilometres separates SeaTac and Pasco. Once you're up in the air, you won't have time to do much more than listen to a few songs on your travel playlist.
Which airlines fly direct from SEA to Tri-Cities Airport (PSC)?
One airline that operates on the route from Sea-Tac Airport to Tri-Cities Airport is Alaska Airlines (AS). It offers 147 flights monthly. You could also take a look at the fares on offer with Delta Air Lines (DL). This carrier operates 91 monthly flights between SeaTac and Pasco.
Are Seattle - Tacoma Intl. Airport (SEA) to PSC flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes find a bargain, with some of the cheapest airfares from Sea-Tac Airport to PSC emerging a few weeks prior to the departure date. If you'd rather plan ahead, Expedia compares and updates all the best flight deals regularly — as early as 12 months in advance in some cases. It does depend on the carrier though, as not every airline releases prices so far in advance.

Explore a world of travel with Expedia

*Available to Expedia members.