$69 Cheap flight deals from Tri-Cities (PSC) to Seattle (SEA)

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 Tri-Cities to Seattle

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.

Sat, Jun 8 - Tue, Jun 25
PSC
Tri-Cities
SEA
Seattle - Tacoma Intl.
$257 Roundtrip, found 6 days ago
$257
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Jun 8 from Tri-Cities to Seattle - Tacoma Intl., returning Tue, Jun 25, priced at $257 found 6 days ago

Airfares from $69 One Way, $137 Round Trip from Tri-Cities to Seattle

Prices starting at $137 for return flights and $69 for one-way flights to Seattle were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 20 - Wed, Aug 21
PSC
Pasco
SEA
Seattle
$137 Roundtrip, found 2 days ago
$137
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Aug 20 from Pasco to Seattle, returning Wed, Aug 21, priced at $137 found 2 days ago
Sat, Jul 13 - Wed, Jul 17
PSC
Pasco
PAE
Seattle Paine Field Intl. Airport
$539 Roundtrip, found 4 days ago
$539
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Jul 13 from Pasco to Seattle Paine Field Intl. Airport, returning Wed, Jul 17, priced at $539 found 4 days ago

More About Flying To Seattle from Tri-Cities

Route Information for Flights from Tri-Cities to Seattle

Origin Airport IATA Code
PSC
Destination Airport IATA Code
SEA
Distance
171 mi
Direct Flight Airlines
American Airlines, KLM, Qatar Airways, JAL, Delta Air Lines, Aeromexico, Alaska Airlines, Finnair, Korean Air, WestJet, Virgin Atlantic, Singapore Airlines, British Airways
Earliest Flight Arrival
1:00PM UTC
Latest Flight Arrival
2:55AM UTC

Tri-Cities to Seattle

Book your trip through Orbitz for the best deals on Tri-Cities to Seattle flights. With our cutting-edge mobile tools, getting fantastic savings on international or domestic flights or updates on your flight status has never been easier. Find your low-priced flights from Tri-Cities to Seattle today with Orbitz.

Frequent Flyer Rewards

If you are a member of a frequent flyer program, Orbitz will ensure you get points or miles for your qualifying Tri-Cities to Seattle flights. Just provide your frequent flyer number or your loyalty program number when booking your flight online with Orbtiz.com.

Flight Deals on the Go

Never miss out on great savings! Get fantastic deals on flights from Tri-Cities to Seattle on your mobile device with our apps for iPhone, Android, and iPad, or use your mobile Web browser to access m.orbitz.com. Find big discounts on the hotels you want to stay at to go along with your Tri-Cities to Seattle flights. The app even gives you information for baggage claim and other important flight details.

Free Flight Alerts

With Orbitz, not do you get amazing low-cost deals on Tri-Cities to Seattle flights, but we can send you flight alerts to your mobile phone or email. Instantly learn about delays to your flights from Tri-Cities to Seattle, so you can plan ahead and make different travel arrangements if you need to.

Guaranteed low prices for Tri-Cities to Seattle flights makes Orbitz the perfect online budget travel source.

Frequently asked questions

Are there non-stop flights from Tri-Cities to Seattle?
Yes, you’ll be happy to hear that you can jet straight from Pasco, WA (PSC-Tri-Cities) to Seattle - Tacoma Intl. Airport (SEA). Nonstop flights can be booked with Alaska Airlines and Delta.
What is the shortest flight from Tri-Cities to Seattle?
Keep that movie marathon for some other time, because the journey from Tri-Cities Airport (PSC) to Seattle, WA (SEA-Seattle - Tacoma Intl.) can be as quick as 1 hour and 5 minutes.
What airlines fly from Tri-Cities to Seattle most frequently?
Alaska Airlines (AS) offers 178 flights every month between Pasco, WA (PSC-Tri-Cities) to Sea-Tac Airport. Your next big adventure is only a few clicks away. If you can’t find the right flight there, take a look at the fares with Delta (DL). This airline is a fantastic alternative and offers 91 flights from Tri-Cities to Seattle every month.
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.