$69 Cheap flights from Seattle - Tacoma Intl. to Tri-Cities (SEA to PSC)

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Find The Best Dates To Fly from Seattle - Tacoma Intl. to Tri-Cities

Amazing SEA to PSC Flight Deals

The cheapest flights to Tri-Cities found within the past 7 days were $137 round trip and $69 one way. Prices and availability subject to change. Additional terms may apply.

Wed, May 22 - Tue, May 28
SEA
Seattle
PSC
Pasco
$137 Roundtrip, found 1 day ago
$137
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, May 22 from Seattle to Pasco, returning Tue, May 28, priced at $137 found 1 day ago
Tue, May 28 - Wed, May 29
SEA
Seattle
PSC
Pasco
$137 Roundtrip, found 5 days ago
$137
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, May 28 from Seattle to Pasco, returning Wed, May 29, priced at $137 found 5 days ago
Wed, Jun 5 - Sat, Jun 8
SEA
Seattle
PSC
Pasco
$147 Roundtrip, found 2 days ago
$147
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Jun 5 from Seattle to Pasco, returning Sat, Jun 8, priced at $147 found 2 days ago
Sat, May 25 - Sat, Jun 1
SEA
Seattle
PSC
Pasco
$157 Roundtrip, found 15 hours ago
$157
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Sat, May 25 from Seattle to Pasco, returning Sat, Jun 1, priced at $157 found 15 hours ago
Wed, May 29 - Sun, Jun 2
SEA
Seattle
PSC
Pasco
$162 Roundtrip, found 3 days ago
$162
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, May 29 from Seattle to Pasco, returning Sun, Jun 2, priced at $162 found 3 days ago
Tue, Jun 4 - Fri, Jun 7
SEA
Seattle
PSC
Pasco
$167 Roundtrip, found 16 hours ago
$167
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Tue, Jun 4 from Seattle to Pasco, returning Fri, Jun 7, priced at $167 found 16 hours ago
Thu, May 30 - Thu, May 30
SEA
Seattle
PSC
Pasco
$171 Roundtrip, found 2 days ago
$171
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, May 30 from Seattle to Pasco, returning Thu, May 30, priced at $171 found 2 days ago
Fri, May 31 - Sat, Jun 1
SEA
Seattle
PSC
Pasco
$174 Roundtrip, found 5 days ago
$174
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, May 31 from Seattle to Pasco, returning Sat, Jun 1, priced at $174 found 5 days ago
Sat, Jun 1 - Fri, Jun 7
SEA
Seattle
PSC
Pasco
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Jun 1 from Seattle to Pasco, returning Fri, Jun 7, priced at $177 just found
Sat, Aug 17 - Sat, Aug 17
SEA
Seattle
PSC
Pasco
$181 Roundtrip, found 5 days ago
$181
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Aug 17 from Seattle to Pasco, returning Sat, Aug 17, priced at $181 found 5 days ago

Frequently asked questions

Can I catch a flight from Seattle - Tacoma Intl. Airport (SEA) to Tri-Cities Airport (PSC) right now?
For information on any current PSC quarantine requirements and travel advice, visit the Covid-19 Travel Advisor. Look before you book your flight, so you don’t get caught up.
Are there direct flights from Seattle - Tacoma Intl. Airport (SEA) to PSC?
Alaska Airlines and Delta are some of the airlines that operate nonstop flights from Seattle - Tacoma Intl. Airport (SEA) to Tri-Cities Airport (PSC). If you’re itching to get to your destination without a stopover, these are your best options.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Tri-Cities Airport, please visit our Customer Service Portal.
How long is the flight from Seattle - Tacoma Intl. Airport (SEA) to PSC?
You’ll only have enough time to breeze through a chapter or two in your novel as the flight from Sea-Tac Airport to Tri-Cities Airport is a mere 59 minutes. You may just find yourself left on a cliffhanger!
What is the flight distance from Seattle - Tacoma Intl. Airport (SEA) to Tri-Cities Airport?
From Sea-Tac Airport, you’ll travel 170 mi before touching down at PSC. That should be enough time to get through a few chapters of your novel and perhaps even squeeze in a quick snooze.
What airlines fly from SEA to PSC?
You’ll find a number of airlines that have direct flights between Seattle and Franklin County. Alaska Airlines (AS) is one of the most liked. This air carrier operates roughly 178 flights each month. You’ll want to also look up the deals available through Delta (DL). Another leading carrier, it operates 91 flights monthly on the Seattle to Franklin County route. Compare the two airlines to pick up the best fare.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Delta, Alaska Airlines or United Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Seattle - Tacoma Intl.
Traveling To
Tri-Cities
Shortest Flight Time
0 hours 57 mins
Earliest Departure Time
8:10AM PDT
Latest Departure Time
11:00PM PDT
Lowest Flight Price
$137

Route Info

Flight path for flights from Seattle-Tacoma International Airport to Tri-Cities Airport.


Origin:
SEA - Seattle-Tacoma International Airport
Destination:
PSC - Tri-Cities Airport
Distance:
172.00 miles

Airline carriers and aircraft used on flights from SEA to PSC


Airline Carrier
Aircraft
Delta Air Lines
Embraer RJ135 / RJ140 / RJ145

Discover our best flights from Seattle SEA to Pasco PSC. 

With 19 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Seattle SEA to Pasco PSC at the right price  

Airfares to Pasco PSC from Seattle SEA currently cost between $137 and $181. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Seattle SEA to Pasco PSC 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Seattle SEA to Pasco PSC on Travelocity starting at $69. Prices and availability subject to change. Additional terms may apply. 

 

Get to Pasco PSC from Seattle SEA quicker with direct flights. 

Get to Pasco faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to PSC from SEA to take around 0 hour(s) 57 min(s).  

 

Find our cheapest airfares for flights from Seattle SEA to Pasco PSC

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to PSC from SEA. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Seattle SEA to Pasco PSC today 

If you’re flexible about when you travel, May is usually the cheapest month to fly from Seattle SEA to Pasco PSC. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Pasco PSC from Seattle SEA 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to PSC from SEA have this option.  

 

Travel with confidence when you book flights to Pasco PSC from Seattle SEA with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.