Direct (nonstop) flights from Seattle to Pasco
2 airlines fly nonstop from Seattle Tacoma International (SEA) to Tri Cities Airport (PSC). It's 171 miles (276 km), about 1h 4m in the air. Operated by Alaska Airlines, Delta Air Lines.
Alaska Airlines
Delta Air Lines
Route data last updated: May 26, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Seattle to Pasco with one stop · direct emits 32 kg CO₂ per passenger
Looking for the return flight?
PSC → SEA: Flights from Pasco to SeattleOther direct flights from Seattle
Direct flights from Pasco (PSC)
Frequently Asked Questions
How long is the direct flight from Seattle to Pasco?
A nonstop flight from Seattle (SEA) to Pasco (PSC) takes approximately 1 hours and 4 minutes. The distance is 171 miles (276 km).
Which airlines fly nonstop from Seattle to Pasco?
2 airlines: Alaska Airlines, Delta Air Lines.
Is there a nonstop flight from Seattle to Pasco?
Yes. 2 airlines: Alaska Airlines, Delta Air Lines.
How far is Seattle from Pasco?
The flight distance from Seattle to Pasco is 171 miles (276 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Washington DC.
What type of aircraft flies from Seattle to Pasco?
At 1h 4m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Seattle to Pasco?
Roughly 32 kg CO2 per passenger one-way. That's about the same as driving 160 km.
Is the return flight from Pasco to Seattle also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Seattle to Pasco?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Seattle Tacoma International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.