$69 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.

Sun, Jul 6 - Thu, Jul 31
PSC
Tri-Cities
SEA
Seattle - Tacoma Intl.
$374 Roundtrip, found 2 hours ago
$374
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Sun, Jul 6 from Tri-Cities to Seattle - Tacoma Intl., returning Thu, Jul 31, priced at $374 found 2 hours ago

Airfares from $69 One Way, $117 Round Trip from Tri-Cities to Seattle

Prices starting at $117 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.

Sat, Sep 13 - Tue, Sep 16
PSC
Pasco
SEA
Seattle
$117 Roundtrip, found 23 hours ago
$117
Roundtrip
found 23 hours ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Pasco to Seattle, returning Tue, Sep 16, priced at $117 found 23 hours ago
Sat, Aug 16 - Wed, Aug 20
PSC
Pasco
SEA
Seattle
$117 Roundtrip, found 21 hours ago
$117
Roundtrip
found 21 hours ago
Select Delta flight, departing Sat, Aug 16 from Pasco to Seattle, returning Wed, Aug 20, priced at $117 found 21 hours ago
Tue, Aug 12 - Sat, Aug 16
PSC
Pasco
SEA
Seattle
$119 Roundtrip, found 21 hours ago
$119
Roundtrip
found 21 hours ago
Select Hawaiian Airlines flight, departing Tue, Aug 12 from Pasco to Seattle, returning Sat, Aug 16, priced at $119 found 21 hours ago
Tue, Aug 12 - Wed, Aug 20
PSC
Pasco
SEA
Seattle
$119 Roundtrip, found 21 hours ago
$119
Roundtrip
found 21 hours ago
Select Delta flight, departing Tue, Aug 12 from Pasco to Seattle, returning Wed, Aug 20, priced at $119 found 21 hours ago
Sat, Sep 6 - Mon, Sep 8
PSC
Pasco
SEA
Seattle
$127 Roundtrip, found 21 hours ago
$127
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Sat, Sep 6 from Pasco to Seattle, returning Mon, Sep 8, priced at $127 found 21 hours 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

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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.