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 35m. This route is served by 4 airlines: SkyWest, Horizon, Alaska Airlines and others. AirportRoutes has tracked 24 daily flights on this route.
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Here is the requested information about flights from Tri Cities Airport (PSC) to Seattle-Tacoma Intl (SEA):
The route from Tri Cities Airport (PSC) in Pasco, Washington, to Seattle-Tacoma International Airport (SEA) is a popular regional connection primarily serving business and leisure travelers in Eastern Washington who need to access Seattle and its surrounding areas. The route is favored by those seeking a quick and convenient way to travel between these two major Washington cities. The typical flight duration is around 1 hour and 12 minutes. Travelers choose this route to avoid a roughly 3.5 to 4-hour drive across the state. The flight offers scenic views of the Cascade Mountains, weather permitting. The distance between the two airports is approximately 172 miles.
For the best prices, it's advisable to book your flight about one month in advance. The cheapest month to fly this route is typically January. At Tri Cities Airport (PSC), arrive at least 90 minutes before domestic flights, and 2 hours is recommended during peak travel times. PSC is a smaller airport making navigation relatively easy. Seattle-Tacoma International Airport (SEA) can be much busier, so check the airport's website for terminal maps and real-time security wait times to help navigate efficiently. As the flight is short, expect limited in-flight service; bringing your own snacks and entertainment is a good idea. Direct flights are available, which is preferable for such a short journey.
Seattle, known as the "Emerald City", offers a diverse range of attractions. Top attractions include the Space Needle, Pike Place Market, and the Museum of Pop Culture (MoPOP). What makes Seattle unique is its combination of urban sophistication and natural beauty, being surrounded by water and mountains. Explore diverse neighborhoods like Ballard for its food scene, Capitol Hill for nightlife, and Fremont for public art. Don't miss out on trying local cuisine, including fresh seafood like salmon and oysters, as well as the iconic Pike Place Chowder.
The best time to fly to Seattle for good weather is generally from July to mid-October, when temperatures are mild and rainfall is minimal. Peak travel times are during the summer months (June-August), so expect larger crowds and higher prices. Consider traveling in the shoulder seasons (April-May or September-October) for a balance of good weather and fewer crowds. Be aware that summer can bring smoke. Special events and festivals include Seattle PrideFest in June, Bumbershoot in September, and Winterfest in December.
KPSCPSCSeattle–Tacoma International Airport
KSEASEA4
Operators24
Daily Flights172
Miles35m
Flight Duration
| Airline | ICAO | IATA |
|---|---|---|
| SkyWest |
SKW
|
OO
|
| Horizon |
QXE
|
QX
|
| Alaska Airlines |
ASA
|
AS
|
| PenAir |
NLA
|
-
|
| Day | Flights Observed | Frequency | Activity |
|---|---|---|---|
| Monday | 42 | 10% |
|
| Tuesday | 62 | 15% |
|
| Wednesday | 67 | 16% |
|
| Thursday | 55 | 13% |
|
| Friday | 42 | 10% |
|
| Saturday | 79 | 19% |
|
| Sunday | 69 | 17% |
|
Pattern Analysis
| Airline | Flight Numbers | Aircraft Type | Typical Time | Days Active | Last Seen | Status |
|---|---|---|---|---|---|---|
|
Alaska Airlines
ASA
/ AS
|
ASA795 ASA772 ASA1487 | B738 | 08:25 8:25 AM (Representative) |
M
T
W
T
F
S
S
|
Feb 12, 2026 | Active |
|
Horizon
QXE
/ QX
|
QXE2349 QXE2101 QXE2351 QXE2366 QXE2082 | E75L | 12:56 12:56 PM (Representative) |
M
T
W
T
F
S
S
|
Feb 12, 2026 | Active |
|
PenAir
NLA
|
- | E75L | - |
M
T
W
T
F
S
S
|
Oct 23, 2025 | Active |
|
SkyWest
SKW
/ OO
|
SKW3972 SKW4120 SKW4095 SKW3992 SKW3070 | E170 | 13:00 1:00 PM (Representative) |
M
T
W
T
F
S
S
|
Feb 12, 2026 | Active |
| Departure Time | Operator | ICAO | IATA |
|---|---|---|---|
| 08:25 8:25 AM | Alaska Airlines |
ASA
|
AS
|
| 12:56 12:56 PM | Horizon |
QXE
|
QX
|
| 13:00 1:00 PM | SkyWest |
SKW
|
OO
|
Time Information
Times are shown in the departure airport's local timezone (KPSC - America/Los_Angeles).