$59 Cheap flight deals from Seattle (SEA) to Tri-Cities (PSC)

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

This Weekend's Flight Deals from Seattle to Tri-Cities

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, May 2 - Tue, May 13
SEA
Seattle - Tacoma Intl.
PSC
Tri-Cities
$271 Roundtrip, found 2 days ago
$271
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Fri, May 2 from Seattle - Tacoma Intl. to Tri-Cities, returning Tue, May 13, priced at $271 found 2 days ago

Airfares from $59 One Way, $127 Round Trip from Seattle to Tri-Cities

Prices starting at $127 for return flights and $59 for one-way flights to Tri-Cities were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jun 7 - Tue, Jun 10
SEA
Seattle
PSC
Pasco
$127 Roundtrip, found 7 hours ago
$127
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Sat, Jun 7 from Seattle to Pasco, returning Tue, Jun 10, priced at $127 found 7 hours ago
Wed, Jun 4 - Fri, Jun 6
SEA
Seattle
PSC
Pasco
$129 Roundtrip, found 2 days ago
$129
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Jun 4 from Seattle to Pasco, returning Fri, Jun 6, priced at $129 found 2 days ago
Wed, May 21 - Tue, May 27
SEA
Seattle
PSC
Pasco
$129 Roundtrip, found 1 hour ago
$129
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Wed, May 21 from Seattle to Pasco, returning Tue, May 27, priced at $129 found 1 hour ago
Fri, May 23 - Sun, May 25
SEA
Seattle
PSC
Pasco
$257 Roundtrip, found 5 days ago
$257
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, May 23 from Seattle to Pasco, returning Sun, May 25, priced at $257 found 5 days ago
Sat, May 10 - Wed, May 14
PAE
Seattle
PSC
Pasco
$393 Roundtrip, found 5 days ago
$393
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, May 10 from Seattle to Pasco, returning Wed, May 14, priced at $393 found 5 days ago

More About Flying To Tri-Cities from Seattle

Route Information for Flights from Seattle to Tri-Cities

Origin Airport IATA Code
SEA
Destination Airport IATA Code
PSC
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Seattle to Tri-Cities

If you are looking to get guaranteed low prices for Seattle to Tri-Cities flights then Orbitz is the place to go. We use cutting edge mobile tools to find the best deals on air tickets and to keep you updated on delays and changes.

Get Package Savings by Booking Flights and Hotels at the Same Time

Using the Orbitz Matrix display, you can see how much you will save on flights from Seattle to Tri-Cities if the discount fare is combined with a hotel. You can also look at hotel reviews, photos and maps of the area, so it will be convenient to make your budget travel plans.

Orbitz for Business Helps Corporations save Money

Orbitz can assist all businesses from the small to major corporations with discounts on flights from Seattle to Tri-Cities. We fine- tune your needs for Seattle to Tri-Cities flights and optimize your plans by assessing your business and coming up with ways for you to save on air tickets.

Using Online Check-In Makes Flying Simple

You can use the Orbitz website to check-in for your flights from Seattle to Tri-Cities. You can also make changes to your schedule or even cancel a flight.

Frequently asked questions

Are there non-stop flights from Seattle to Tri-Cities?
The great news is, there are. Alaska Airlines and Delta are two carriers that will take you directly from SEA to Tri-Cities Airport.
What is the shortest flight from Seattle to Tri-Cities?
It can take as little as 53 minutes to jet from Sea-Tac Airport to Tri-Cities Airport (PSC). Kick back and enjoy the service, because you’ll be strolling through arrivals in the blink of an eye.
What airlines fly from Seattle to Tri-Cities most frequently?
There are a few airlines offering the most frequent flights from Seattle - Tacoma Intl. Airport (SEA) to PSC, including Alaska Airlines (AS). Popular with travelers, it operates 178 flights on this route each month. Also check out the rewarding deals available with Delta (DL). Offering 91 flights every month between Seattle and Tri-Cities, they’ll ensure your journey is just as enjoyable as the destination.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won’t keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.