Direct (nonstop) flights from Pittsburgh to Seattle

2 airlines fly nonstop from Pittsburgh Airport (PIT) to Seattle Tacoma International (SEA). It's 2,123 miles (3,417 km), about 5h 21m in the air. Operated by American Airlines, Alaska Airlines.

PIT
Pittsburgh Airport
🇺🇸 Pittsburgh, USA
SEA
Seattle Tacoma International
🇺🇸 Seattle, USA
Flight Time
5h 21m
Distance
2,123 mi
3,417 km
CO₂/pax
359 kg
−33 kg vs. layover
Airlines
2
American Airlines +1
Time Diff
-3h
Operated by American Airlines American Airlines Alaska Airlines Alaska Airlines

Route data last updated: May 29, 2026

Airlines with non-stop flights

American Airlines AA American Airlines
Route
PIT → SEA
Flight Time
5h 21m
Distance
2,123 mi
Alaska Airlines AS Alaska Airlines
Route
PIT → SEA
Flight Time
5h 21m
Distance
2,123 mi

Alternative Routes

Other ways to fly from Pittsburgh to Seattle with one stop · direct emits 359 kg CO₂ per passenger

PIT MDW (Chicago) SEA
Leg 1: 1h 30m (400 mi) Leg 2: 4h 30m (1,733 mi) Total: ~6h 🍃 392 kg CO₂ (+9% vs. direct)
Leg 1
PIT → MDW
1h 30m · 400 mi
View PIT to MDW flights →
Leg 2
MDW → SEA
4h 30m · 1,733 mi
View MDW to SEA flights →
PIT DTW (Detroit) SEA
Leg 1: 1h 14m (199 mi) Leg 2: 5h 1m (1,926 mi) Total: ~6h 15m 🍃 388 kg CO₂ (+8% vs. direct)
Leg 1
PIT → DTW
1h 14m · 199 mi
View PIT to DTW flights →
Leg 2
DTW → SEA
5h 1m · 1,926 mi
View DTW to SEA flights →
PIT MSP (Minneapolis) SEA
Leg 1: 2h 22m (725 mi) Leg 2: 3h 55m (1,399 mi) Total: ~6h 17m 🍃 395 kg CO₂ (+10% vs. direct)
Leg 1
PIT → MSP
2h 22m · 725 mi
View PIT to MSP flights →
Leg 2
MSP → SEA
3h 55m · 1,399 mi
View MSP to SEA flights →
PIT STL (Saint Louis) SEA
Leg 1: 1h 45m (552 mi) Leg 2: 4h 33m (1,708 mi) Total: ~6h 18m 🍃 416 kg CO₂ (+16% vs. direct)
Leg 1
PIT → STL
1h 45m · 552 mi
View PIT to STL flights →
Leg 2
STL → SEA
4h 33m · 1,708 mi
View STL to SEA flights →
PIT DEN (Denver) SEA
Leg 1: 3h 30m (1,289 mi) Leg 2: 3h 2m (1,023 mi) Total: ~6h 32m 🍃 416 kg CO₂ (+16% vs. direct)
Leg 1
PIT → DEN
3h 30m · 1,289 mi
View PIT to DEN flights →
Leg 2
DEN → SEA
3h 2m · 1,023 mi
View DEN to SEA flights →

Frequently Asked Questions

How long is the direct flight from Pittsburgh to Seattle?

A nonstop flight from Pittsburgh (PIT) to Seattle (SEA) takes approximately 5 hours and 21 minutes. The distance is 2,123 miles (3,417 km).

Which airlines fly nonstop from Pittsburgh to Seattle?

2 airlines: American Airlines, Alaska Airlines.

Is there a nonstop flight from Pittsburgh to Seattle?

Yes. 2 airlines: American Airlines, Alaska Airlines.

How far is Pittsburgh from Seattle?

The flight distance from Pittsburgh to Seattle is 2,123 miles (3,417 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.

What type of aircraft flies from Pittsburgh to Seattle?

At 5h 21m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

What is the carbon footprint of a flight from Pittsburgh to Seattle?

Roughly 359 kg CO2 per passenger one-way. That's about the same as driving 1,795 km.

Is the return flight from Seattle to Pittsburgh 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 Pittsburgh to Seattle?

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 Pittsburgh Airport for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.