$333 Cheap flight deals from Seattle (SEA) to Tri-Cities (TRI)

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Airfares from $333 One Way, $528 Round Trip from Seattle to Tri-Cities

Prices starting at $528 for return flights and $333 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.

Sun, Nov 24 - Thu, Nov 28
SEA
Seattle
TRI
Tri-Cities
$528 Roundtrip, found 5 days ago
$528
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Nov 24 from Seattle to Tri-Cities, returning Thu, Nov 28, priced at $528 found 5 days ago
Tue, Mar 4 - Tue, Mar 11
SEA
Seattle
TRI
Tri-Cities
$555 Roundtrip, found 2 days ago
$555
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Mar 4 from Seattle to Tri-Cities, returning Tue, Mar 11, priced at $555 found 2 days ago
Sat, Jan 25 - Tue, Jan 28
SEA
Seattle
TRI
Tri-Cities
$557 Roundtrip, found 4 days ago
$557
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Jan 25 from Seattle to Tri-Cities, returning Tue, Jan 28, priced at $557 found 4 days ago
Tue, Jan 21 - Sun, Jan 26
SEA
Seattle
TRI
Tri-Cities
$561 Roundtrip, found 4 days ago
$561
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Jan 21 from Seattle to Tri-Cities, returning Sun, Jan 26, priced at $561 found 4 days ago
Tue, Jan 21 - Sun, Jan 26
SEA
Seattle
TRI
Tri-Cities
$566 Roundtrip, found 4 days ago
$566
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Jan 21 from Seattle to Tri-Cities, returning Sun, Jan 26, priced at $566 found 4 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
TRI
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Seattle to Tri-Cities

Orbitz can provide you with the greatest deals on a wide range of Seattle to Tri-Cities flights. Orbitz offers guaranteed low prices and offers you the convenience of cutting-edge mobile tools thus providing you with your best travel experience ever.

Mobile Apps for Seattle to Tri-Cities Flights

You can use our mobile app to find the cheapest prices for flights from Seattle to Tri-Cities. With this cutting-edge technology, you can check up on your flight’s status, gate number and luggage claim handling, and reserve exclusive deals on top hotels at short notice.

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For travelers who regularly book Seattle to Tri-Cities flights, our frequent flyer program offers even more low-cost air tickets. You will be able to store your miles in your personal Orbitz account and add them with ease to your future reservations.

Trouble-Free Traveling With Flight Alerts

Orbitz will not only provide you with the assistance that you require when purchasing flights from Seattle to Tri-Cities but will ensure that you remain fully updated on any flight delays, changes or disruptions by providing free alerts. Your Seattle to Tri-Cities flights alerts can be sent directly to your phone or email. You can also opt for these alerts to be sent to your family and friends so that everyone is kept informed of your travel plans.

 Budget Flying Made Simple

Finding cheap flights from Seattle to Tri-Cities is easy with Orbitz. You can pick and choose airlines for your international flights to create inexpensive yet convenient travel arrangements.

Frequently asked questions

What is the shortest flight from Seattle to Tri-Cities?
From Seattle, the wonderful sights and sounds of Tri-Cities are at least 5 hours and 36 minutes away. Choose your favorite seat, or maybe even upgrade to one with a bit more legroom, and get to your destination in total comfort.
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.