$234 Cheap flight deals from Seattle (SEA) to Tri-Cities (TRI)

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

Airfares from $234 One Way, $667 Round Trip from Seattle to Tri-Cities

Prices starting at $667 for return flights and $234 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.

Thu, Dec 18 - Thu, Dec 25
SEA
Seattle
TRI
Tri-Cities
$667 Roundtrip, found 6 days ago
$667
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Dec 18 from Seattle to Tri-Cities, returning Thu, Dec 25, priced at $667 found 6 days ago
Wed, Dec 17 - Thu, Dec 25
SEA
Seattle
TRI
Tri-Cities
$676 Roundtrip, found 6 days ago
$676
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Dec 17 from Seattle to Tri-Cities, returning Thu, Dec 25, priced at $676 found 6 days ago
Sat, Dec 20 - Sun, Dec 28
SEA
Seattle
TRI
Tri-Cities
$1,344 Roundtrip, found 2 days ago
$1,344
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 20 from Seattle to Tri-Cities, returning Sun, Dec 28, priced at $1,344 found 2 days ago
Sat, Dec 20 - Sun, Dec 28
SEA
Seattle
TRI
Tri-Cities
$1,380 Roundtrip, found 2 days ago
$1,380
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 20 from Seattle to Tri-Cities, returning Sun, Dec 28, priced at $1,380 found 2 days ago
Sat, Dec 20 - Sun, Dec 28
SEA
Seattle
TRI
Tri-Cities
$1,385 Roundtrip, found 2 days ago
$1,385
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Dec 20 from Seattle to Tri-Cities, returning Sun, Dec 28, priced at $1,385 found 2 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

Grab great fares on Seattle to Tri-Cities flights with Orbitz, your #1 source for discount international and domestic air tickets. Our cutting-edge mobile tools and great online search functionality make booking your next budget trip a breeze.

Mobile Apps for Exclusive Deals on Flights From Seattle to Tri-Cities

You don’t have to sit down at a computer to find the latest flight bargains. Orbitz offers a mobile app for Android, iPhone, and tablet devices, which will keep you alert to fantastic fares, hotel discounts, and more great savings. The app gives you real-time low fares for flights from Seattle to Tri-Cities and lets you book your hotel room with a few simple clicks.

Find Your Seattle to Tri-Cities Flights, Car, and Hotel in One Place

Orbitz gives you the latest deals on air fares, hotels, cruises, and car rentals at up to 50% off. Booking your flights from Seattle to Tri-Cities is easy whether you are using a computer, with the Orbitz mobile app, or through m.orbitz.com on your mobile device’s Web browser.

Stay Informed on Your Trip

Orbitz sends you alerts about the latest updates to your Seattle to Tri-Cities flights, such as delays. Receive the updates via your email or mobile phone. Use the Orbitz app to stay updated on your flight status and baggage claim details.

Earn Miles for Flights From Seattle to Tri-Cities

On qualified flights, add your frequent flyer number to your booking to get miles or points for your trip.

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.

More Destinations

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.