$71 Cheap flight deals from Tri-Cities (PSC) to Seattle (SEA)

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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, Dec 20 - Sun, Dec 21
PSC
Tri-Cities
SEA
Seattle - Tacoma Intl.
$223 Roundtrip, found 3 hours ago
$223
Roundtrip
found 3 hours ago
Select Bargain Flight flight, departing Sat, Dec 20 from Tri-Cities to Seattle - Tacoma Intl., returning Sun, Dec 21, priced at $223 found 3 hours ago

Airfares from $71 One Way, $99 Round Trip from Tri-Cities to Seattle

Prices starting at $99 for return flights and $71 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.

Thu, Jan 22 - Sat, Jan 24
PSC
Pasco
SEA
Seattle
$99 Roundtrip, found 15 hours ago
$99
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Thu, Jan 22 from Pasco to Seattle, returning Sat, Jan 24, priced at $99 found 15 hours ago
Tue, Jan 13 - Mon, Jan 19
PSC
Pasco
SEA
Seattle
$99 Roundtrip, found 13 hours ago
$99
Roundtrip
found 13 hours ago
Select Delta flight, departing Tue, Jan 13 from Pasco to Seattle, returning Mon, Jan 19, priced at $99 found 13 hours ago
Sat, Jan 10 - Wed, Jan 14
PSC
Pasco
SEA
Seattle
$100 Roundtrip, found 2 days ago
$100
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Sat, Jan 10 from Pasco to Seattle, returning Wed, Jan 14, priced at $100 found 2 days ago
Wed, Jan 21 - Sat, Jan 24
PSC
Pasco
SEA
Seattle
$101 Roundtrip, found 6 hours ago
$101
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Wed, Jan 21 from Pasco to Seattle, returning Sat, Jan 24, priced at $101 found 6 hours ago
Sat, Mar 14 - Sun, Mar 15
PSC
Pasco
SEA
Seattle
$103 Roundtrip, found 3 days ago
$103
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Mar 14 from Pasco to Seattle, returning Sun, Mar 15, priced at $103 found 3 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
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Tri-Cities to Seattle

Great Deals on Flights From Tri-Cities to Seattle

Spend more of your time and money at Seattle instead of sitting at your computer, searching for discount Tri-Cities to Seattle flights. This is why Orbitz makes it easy for you to check out destinations, plan your trip, and book your air fare, hotel, car rental, and more in just one place. Our low price guarantee means that you get great deals on flights from Tri-Cities to Seattle.

Flights That Fit Your Budget

Traveling on a budget? Not to worry if you are using Orbitz. We monitor thousands of fares to make sure we show you the best air ticket prices available for your travel dates. Besides amazing prices on Tri-Cities to Seattle flights, we offer you great deals on hotels, vacation packages, and last-minute getaways for the perfect trip.

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Search for Flights from Tri-Cities to Seattle on the Go

Orbitz offers free mobile apps for iPad, iPhone, and Android-based devices, so even the busiest trip-planner can research and book flights from Tri-Cities to Seattle. Find cheap Tri-Cities to Seattle flights, research local festivities and attractions, and book reservations while sitting in the salon. Orbitz will also update you on flight delays with free alerts sent to your mobile phone or email address, so you’re never left in the dark.

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.

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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.