$71 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.

Airfares from $71 One Way, $117 Round Trip from Seattle to Tri-Cities

Prices starting at $117 for return flights and $71 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.

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
171 mi
Direct Flight Airlines
American Airlines, Qatar Airways, KLM, JAL, Air France, Delta Air Lines, Aeromexico, Alaska Airlines, Finnair, SAS, Hawaiian Airlines, Korean Air, WestJet, Virgin Atlantic, British Airways
Earliest Flight Arrival
5:52PM UTC
Latest Flight Arrival
6:59AM UTC

Seattle to Tri-Cities

Trip-Planning Made Easy

Your search engine may give you thousands of pages of results when you search for cheap flights from Seattle to Tri-Cities, but you can save yourself a lot of hassle and money by going straight to Orbitz.com. Not only do we offer great deals on Seattle to Tri-Cities flights, but we make it easy to book hotels, car rentals, cruises, or a complete vacation package of your dreams.

Discount Seattle to Tri-Cities Flights

Orbitz’s low price guarantee means you get the best fares around. Find the lowest prices for international and domestic tickets and for flights from Seattle to Tri-Cities when you use Orbitz. It’s easy to add activities to your booking, so you can take advantage of all that Tri-Cities has to offer.

Easily Book, Change, Cancel Flights From Seattle to Tri-Cities

Orbitz now offers free mobile device apps, so even the busiest multi-taskers can plan their vacations while away from their desktop computer. Plus, instant alerts to your email or mobile phone help you stay on top of any delays or travel updates, so you avoid unpleasant surprises before boarding your Seattle to Tri-Cities flights. Our Customer Service representatives are ready to assist you if you need to change your air travel plans.

Take Advantage of Frequent Flyer Options Through Orbitz

With Orbitz, you do not have to choose between a low fare and earning frequent flyer miles. Simply provide your frequent flyer information when you book your Seattle to Tri-Cities flights.

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.