🇺🇸 PSC
Pasco
172 mi
SEA 🇺🇸
Seattle

Pasco to Seattle Flights

Tri Cities Airport Seattle–Tacoma International Airport 4 airlines

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The Pasco to Seattle route connects Tri Cities Airport (PSC) in US with Seattle–Tacoma International Airport (SEA) in US. This short-haul flight covers approximately 172 miles (277 km) with a typical flight time of 34m. This route is served by 4 airlines: SkyWest, Horizon, Alaska Airlines and others. AirportRoutes has tracked 30 unique flight numbers on this route.

About This Route

Route Overview

The Pasco (PSC) → Seattle (SEA) route links Washington’s Tri-Cities to the state’s largest metro area over 172 miles (277 km). Typical nonstop flight time is about 45–60 minutes, making it a fast alternative to a multi-hour drive through changing weather and mountain passes. Travelers choose this hop for same-day business trips, connections to SEA’s extensive domestic and international network, and easy access to Seattle’s cruise terminals and downtown hotels. PSC offers a straightforward, low-stress departure experience, while SEA provides frequent onward options across the U.S. and abroad. It’s also popular for weekend getaways—Tri-Cities residents can reach Seattle’s neighborhoods, waterfront, and museums quickly, then return without losing much time to transit.

Travel Tips

Book early if you need a specific departure time; limited daily frequencies can raise fares closer to travel dates, even on short routes. Compare one-way vs round-trip pricing in USD and consider flexible times to avoid peak business-hour demand. At PSC, arrive about 60–90 minutes before departure; lines are usually manageable, but regional flights board quickly. At SEA, plan extra time for terminal walking distances and potential security backups—using TSA PreCheck can help. Expect a brief cruise altitude and possible bumps from regional winds; keep essentials in a small personal item for easy access. If connecting at SEA, allow at least 90 minutes for domestic-to-domestic transfers, more if switching terminals.

Destination Highlights

Seattle blends waterfront scenery, iconic landmarks, and neighborhoods with distinct character. Start at Pike Place Market for fresh seafood, local crafts, and classic bites like salmon chowder; then head to the Space Needle and Museum of Pop Culture (MoPOP) at Seattle Center. The Seattle Art Museum and the revitalized waterfront piers offer an easy downtown pairing, while Kerry Park delivers postcard skyline views. For outdoor time, explore Discovery Park or take a ferry to Bainbridge Island for a quick escape. Food highlights include teriyaki, espresso culture, and seafood—especially Dungeness crab when in season. Great areas to base yourself: Downtown/Belltown for walkability, Capitol Hill for nightlife, and Ballard for breweries and Nordic heritage.

Best Time to Fly

For the best blend of weather and value, fly April–May or September–October, when Seattle is milder and pricing often dips below summer peaks. June–August brings the driest days and longest daylight, but higher demand can push fares up. Winter (especially November–February) may offer lower prices, though rain and occasional wind can disrupt schedules. Notable draws include summer festivals and events like Seafair (late July–August), which can increase hotel and flight costs around SEA.

AI-Generated Content: This information was compiled using AI from web sources on Dec 25, 2025. Content may not be current; please verify with airlines before booking.

Airport Information

Departure Airport

Tri Cities Airport

ICAO Code:
KPSC
IATA Code:
PSC
City:
🇺🇸 Pasco
Country:
US
Elevation:
410 ft

Destination Airport

Seattle–Tacoma International Airport

ICAO Code:
KSEA
IATA Code:
SEA
City:
🇺🇸 Seattle
Country:
US
Elevation:
433 ft

Route Statistics

4

Operators

30

Tracked Flights

172

Miles

34m

Flight Duration

Route Map

Great Circle
Flight route map from Pasco to Seattle

Operating Airlines

Airline ICAO IATA
SkyWest SKW OO
Horizon QXE QX
Alaska Airlines ASA AS
PenAir NLA -

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 49 10%
Tuesday 74 16%
Wednesday 67 14%
Thursday 60 13%
Friday 53 11%
Saturday 88 19%
Sunday 80 17%

Pattern Analysis

30 Tracked Flights:
Data Points: 471
API observations used to build this analysis
Weekdays: 303 flights
Weekend: 168 flights
Business Route More active on weekdays

All Flight Routes

4 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
B738 08:25 8:25 AM (Representative)
M T W T F S S
Mar 13, 2026 Active
Horizon
QXE / QX
E75L 13:21 1:21 PM (Representative)
M T W T F S S
May 9, 2026 Active
- E75L -
M T W T F S S
Oct 23, 2025 Active
SkyWest
SKW / OO
E170 17:30 5:30 PM (Representative)
M T W T F S S
May 9, 2026 Active
Total Routes: 4
Active Routes: 4
Unique Airlines: 4
Aircraft Types: 4

Spotted Departure Times

Departure Time Operator ICAO IATA
08:25 8:25 AM Alaska Airlines ASA AS
13:21 1:21 PM Horizon QXE QX
17:30 5:30 PM SkyWest SKW OO

Time Information

Times are shown in the departure airport's local timezone (KPSC - America/Los_Angeles).

Total Departure Times: 3
Time Range:
08:25 - 17:30
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.