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

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

Amazing PSC to SEA Flight Deals

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

Tue, May 28 - Wed, May 29
PSC
Pasco
SEA
Seattle
$137 Roundtrip, found 2 days ago
$137
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, May 28 from Pasco to Seattle, returning Wed, May 29, priced at $137 found 2 days ago
Wed, May 29 - Wed, May 29
PSC
Pasco
SEA
Seattle
$146 Roundtrip, found 6 days ago
$146
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, May 29 from Pasco to Seattle, returning Wed, May 29, priced at $146 found 6 days ago
Tue, Jun 11 - Tue, Jun 11
PSC
Pasco
SEA
Seattle
$151 Roundtrip, found 3 days ago
$151
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Jun 11 from Pasco to Seattle, returning Tue, Jun 11, priced at $151 found 3 days ago
Sat, Jun 1 - Sat, Jun 8
PSC
Pasco
SEA
Seattle
$157 Roundtrip, found 1 day ago
$157
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Jun 1 from Pasco to Seattle, returning Sat, Jun 8, priced at $157 found 1 day ago
Wed, Jun 5 - Wed, Jun 26
PSC
Pasco
SEA
Seattle
$162 Roundtrip, found 1 day ago
$162
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Jun 5 from Pasco to Seattle, returning Wed, Jun 26, priced at $162 found 1 day ago
Sat, May 18 - Mon, May 20
PSC
Pasco
SEA
Seattle
$167 Roundtrip, found 4 hours ago
$167
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Sat, May 18 from Pasco to Seattle, returning Mon, May 20, priced at $167 found 4 hours ago
Mon, May 13 - Mon, May 13
PSC
Pasco
SEA
Seattle
$171 Roundtrip, found 3 days ago
$171
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, May 13 from Pasco to Seattle, returning Mon, May 13, priced at $171 found 3 days ago
Tue, May 21 - Tue, May 21
PSC
Pasco
SEA
Seattle
$176 Roundtrip, found 5 days ago
$176
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, May 21 from Pasco to Seattle, returning Tue, May 21, priced at $176 found 5 days ago
Sat, May 18 - Sat, May 25
PSC
Pasco
SEA
Seattle
$179 Roundtrip, found 4 days ago
$179
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, May 18 from Pasco to Seattle, returning Sat, May 25, priced at $179 found 4 days ago
Fri, Jul 26 - Fri, Jul 26
PSC
Pasco
SEA
Seattle
$181 Roundtrip, found 3 days ago
$181
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Fri, Jul 26 from Pasco to Seattle, returning Fri, Jul 26, priced at $181 found 3 days ago

Best Seattle - Tacoma Intl. Flight and Hotel Packages

Seattle - Tacoma Intl. flight + hotel packages - economy flights

Prices and availability subject to change. Additional terms may apply.
Kimpton Palladian Hotel, an IHG Hotel

Kimpton Palladian Hotel, an IHG Hotel

4 out of 5
Save 100% on your flight
per person
Jun 12 - Jun 14
Roundtrip flight included
Pasco (PSC) to Seattle (SEA)
Mediterranean Inn

Mediterranean Inn

3 out of 5
Save 100% on your flight
per person
Jun 12 - Jun 14
Roundtrip flight included
Pasco (PSC) to Seattle (SEA)
The Belltown Inn

The Belltown Inn

2.5 out of 5
per person
Jun 12 - Jun 14
Roundtrip flight included
Pasco (PSC) to Seattle (SEA)
Hotel Max

Hotel Max

3.5 out of 5
per person
Jun 12 - Jun 14
Roundtrip flight included
Pasco (PSC) to Seattle (SEA)
MarQueen Hotel

MarQueen Hotel

3.5 out of 5
per person
Jun 12 - Jun 14
Roundtrip flight included
Pasco (PSC) to Seattle (SEA)
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Frequently asked questions

Are there direct flights from PSC to SEA?
Begin your escape calm and relaxed and head straight to Seattle - Tacoma Intl. Airport (SEA) from PSC. Alaska Airlines and Delta are among the airlines that sell direct services on this flight route.
How long is the flight from Tri-Cities Airport to Sea-Tac Airport?
You’ll only have enough time to breeze through a few chapters in your latest novel as the flight from Tri-Cities Airport (PSC) to Seattle - Tacoma Intl. Airport (SEA) takes a short and sweet 1 hour and 7 minutes. You could find yourself left on a cliffhanger!
What is the flight distance from Tri-Cities Airport (PSC) to Seattle - Tacoma Intl. Airport (SEA)?
With a flight distance of only 170 mi, a newspaper or a few episodes of your favorite series is all you’ll really need to keep yourself amused on the trip between Tri-Cities Airport and Sea-Tac Airport. You’ll be filing off the aircraft and delving into exciting adventures in no time at all.
What airlines fly from Tri-Cities Airport to SEA?
There are a few airlines offering direct flights between Franklin County and Seattle. Alaska Airlines (AS) is one of the most popular. This carrier operates about 178 flights each month. Don’t forget to also check out the deals on offer from Delta (DL). Another leading carrier, it operates 91 flights each month on the Franklin County to Seattle route. Be sure to compare the two airlines to score the best fare.
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
Tri-Cities
Traveling To
Seattle - Tacoma Intl.
Shortest Flight Time
1 hours 2 mins
Earliest Departure Time
5:00AM PDT
Latest Departure Time
6:25PM PDT
Lowest Flight Price
$137

Route Info

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


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


Airlines & Aircraft Used on PSC to SEA Flight Routes


Airline Carrier
Aircraft
Alaska Airlines
Boeing 737-800 pax
Alaska Airlines
Boeing 757 all pax models
Alaska Airlines
Boeing 767-300 pax

Discover our best flights from Pasco PSC to Seattle SEA. 

With 20 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 Pasco PSC to Seattle SEA at the right price  

Airfares to Seattle SEA from Pasco PSC 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 Pasco PSC to Seattle SEA 

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 Pasco PSC to Seattle SEA on Travelocity starting at $69. Prices and availability subject to change. Additional terms may apply. 

 

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

Get to Seattle faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to SEA from PSC to take around 1 hour(s) 2 min(s).  

 

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

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to SEA from PSC. 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 Pasco PSC to Seattle SEA today 

If you’re flexible about when you travel, May is usually the cheapest month to fly from Pasco PSC to Seattle SEA. 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 Seattle SEA from Pasco PSC 

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

 

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