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CA $173 Cheap Flights from Seattle (SEA) to Pasco (PSC)

View CA $173 flight on Sat, Aug 22, 2026Opens 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 (SEA) to Pasco (PSC)

Prices were available within the past 7 days and start at CA $173 for one-way flights and CA $319 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Sep 19 - Tue, Oct 6
SEA
Seattle
PSC
Pasco
CA $319 Roundtrip, found 11 hours ago
CA $319
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Sat, Sep 19 from Seattle to Pasco, returning Tue, Oct 6, priced at CA $319 found 11 hours ago
Alaska Airlines
Sat, Sep 19 - Sun, Oct 4
SEA
Seattle
PSC
Pasco
CA $340 Roundtrip, found 11 hours ago
CA $340
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Sat, Sep 19 from Seattle to Pasco, returning Sun, Oct 4, priced at CA $340 found 11 hours ago
Alaska Airlines
Wed, Oct 7 - Sun, Oct 11
SEA
Seattle
PSC
Pasco
CA $354 Roundtrip, found 2 days ago
CA $354
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Oct 7 from Seattle to Pasco, returning Sun, Oct 11, priced at CA $354 found 2 days ago
Alaska Airlines
Sun, Sep 20 - Sun, Oct 4
SEA
Seattle
PSC
Pasco
CA $361 Roundtrip, found 11 hours ago
CA $361
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Sun, Sep 20 from Seattle to Pasco, returning Sun, Oct 4, priced at CA $361 found 11 hours ago
Alaska Airlines
Wed, Oct 7 - Sun, Oct 11
SEA
Seattle
PSC
Pasco
CA $374 Roundtrip, found 2 days ago
CA $374
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Oct 7 from Seattle to Pasco, returning Sun, Oct 11, priced at CA $374 found 2 days ago
Alaska Airlines
Wed, Oct 7 - Sun, Oct 11
SEA
Seattle
PSC
Pasco
CA $382 Roundtrip, found 2 days ago
CA $382
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Oct 7 from Seattle to Pasco, returning Sun, Oct 11, priced at CA $382 found 2 days ago
Alaska Airlines
Wed, Oct 7 - Sun, Oct 11
SEA
Seattle
PSC
Pasco
CA $388 Roundtrip, found 2 days ago
CA $388
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Oct 7 from Seattle to Pasco, returning Sun, Oct 11, priced at CA $388 found 2 days ago
Delta
Wed, Aug 12 - Tue, Aug 25
SEA
Seattle
PSC
Pasco
CA $417 Roundtrip, found 11 hours ago
CA $417
Roundtrip
found 11 hours ago
Select Delta flight, departing Wed, Aug 12 from Seattle to Pasco, returning Tue, Aug 25, priced at CA $417 found 11 hours ago
American Airlines
Mon, Aug 24 - Thu, Aug 27
SEA
Seattle
PSC
Pasco
CA $495 Roundtrip, found 2 days ago
CA $495
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Aug 24 from Seattle to Pasco, returning Thu, Aug 27, priced at CA $495 found 2 days ago
United
Wed, Aug 5 - Wed, Aug 12
SEA
Seattle
PSC
Pasco
CA $1,039 Roundtrip, found 8 hours ago
CA $1,039
Roundtrip
found 8 hours ago
Select United flight, departing Wed, Aug 5 from Seattle to Pasco, returning Wed, Aug 12, priced at CA $1,039 found 8 hours 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 centre is 4 minutes. Flights from CA $522
PSC
Tri-Cities
CheapestClosest
Average driving time to city centre4 min
Flights from CA $522

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

March is typically the cheapest month to fly

From CA $139 - CA $365 per traveller.

Frequently asked questions

How much does a flight from Seattle, WA (SEA) to Pasco, WA (PSC) cost?
You can find cheap one-way flights from CA $173 and cheap return flights from CA $319 SEA to PSC with Expedia. One-way flights typically cost between CA$231 and CA$1,916 and return flights often range between CA$252 and CA$1,207. 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 SEA to PSC ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA) to Pasco, WA (PSC)?
The cheapest months to fly from Seattle, WA (SEA) to Pasco, WA (PSC) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities)?
You have 2 airlines offering direct flights from Seattle - Tacoma Intl. (SEA) to Tri-Cities (PSC):
  • Delta operates 28 direct flights from Seattle - Tacoma Intl. to Tri-Cities every week.
  • American Airlines operates 7 direct flights from Seattle - Tacoma Intl. to Tri-Cities every week.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities)?
Alaska Airlines is one of the cheapest airlines offering nonstop return flights from Seattle - Tacoma Intl. (SEA) to Tri-Cities (PSC), with tickets starting from around CA$193 for flights that can be booked for departure within the next year. Alaska Airlines also offers one of the cheapest connecting return flights from Seattle - Tacoma Intl. (SEA) to Tri-Cities (PSC) starting from around CA$561. These prices are per adult, for economy/coach class. 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.
How do I find cheap flights from Seattle, WA (SEA) to Pasco, WA (PSC)?
To find a cheap flight from Seattle, WA (SEA) to Pasco, WA (PSC), 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 airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities)?
The best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities) will differ from traveler to traveler. If you like to fly early, Alaska Airlines offers early morning flights. If price is the most important factor, Delta typically offers the lowest fares. Alaska Airlines offers the most daily flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seattle, WA (SEA) to Pasco, WA (PSC)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities)?
You'll find approximately 4 nonstop flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities). For even more choices, look at flights that include layovers, as there are around 12 connecting flights per day. Some common connection points include Denver Intl. (DEN), Portland Intl. (PDX), and San Francisco Intl. (SFO).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Tri-Cities (PSC) typically departs at around 5:00 AM. This service is operated by United. This is a seasonal service active in May and June. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities)?
You'll find the most flights from Seattle - Tacoma Intl. (SEA) to Pasco, WA (PSC-Tri-Cities) on Tuesdays, with around 14 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Alaska Airlines, United, and Delta. Flight schedules are consistent throughout the week, so you'll have plenty of options no matter which day you choose to fly.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Tri-Cities (PSC) are in the afternoon, from 3pm to 6pm. Many major carriers, including Alaska Airlines, Delta and United, offer flights during this window. Many travellers prefer this time as it allows for a full day of activities before heading to the airport, and you'll arrive at your destination in the early evening.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities)?
A nonstop flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities) typically takes around 1 hour 18 minutes. This route covers a distance of approximately 275 kilometers. If you opt for a one-stop flight, your travel time will be significantly longer, usually around 8 hours. Flights with two or more stops can take even longer, often around 12 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities)?
You can fly business class or first class between SEA and PSC. You can fly business class with Delta.First class cabins are available on Alaska Airlines, Delta, United, and American Airlines.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma 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, WA (PSC) from Seattle, WA (SEA)?
If you're planning to travel to Pasco from Seattle - Tacoma Intl. (SEA), you can fly directly into Tri-Cities (PSC) which offers domestic flights and connections. Some flights may connect through major hubs like Portland Intl. (PDX), Rogue Valley Intl. (MFR), or San Francisco Intl. (SFO) 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma 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 Seattle, WA (SEA) to Pasco, WA (PSC)?
If you booked your Seattle, WA (SEA) to Pasco, WA (PSC) 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
Seattle - Tacoma Intl.
Destination airport
Tri-Cities
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
CA $318
Distance
274 km
Average flight time
1 hour 3 mins

Book with confidence

Seattle to Pasco Flights

The easy way to book your flights from Seattle to Pasco 

With Expedia, it’s simple to find and book flights to Pasco from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Tri-Cities, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Pasco today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Tri-Cities, PSC 

Sort your search results by price to find great deals on your flight from Seattle to Pasco—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Pasco from Seattle currently is just CA $319 rising to CA $1,039.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Pasco  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Pasco from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Pasco with Expedia today.

Seattle to Pasco Flights

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