Direct (nonstop) flights from Missoula to Seattle

1 airline flys nonstop from Missoula Intl (MSO) to Seattle Tacoma International (SEA). It's 388 miles (625 km), about 1h 40m in the air. Operated by Alaska Airlines.

MSO
Missoula Intl
🇺🇸 Missoula, USA
SEA
Seattle Tacoma International
🇺🇸 Seattle, USA
Flight Time
1h 40m
Distance
388 mi
625 km
CO₂/pax
72 kg
−54 kg vs. layover
Airlines
1
Alaska Airlines
Time Diff
-1h
Operated by Alaska Airlines Alaska Airlines

Route data last updated: May 29, 2026

Airlines with non-stop flights

Alaska Airlines AS Alaska Airlines
Route
MSO → SEA
Flight Time
1h 40m
Distance
388 mi

Alternative Routes

Other ways to fly from Missoula to Seattle with one stop · direct emits 72 kg CO₂ per passenger

MSO PDX (Portland) SEA
Leg 1: 1h 35m (418 mi) Leg 2: 1h 5m (129 mi) Total: ~2h 40m 🍃 126 kg CO₂ (+75% vs. direct)
Leg 1
MSO → PDX
1h 35m · 418 mi
View MSO to PDX flights →
Leg 2
PDX → SEA
1h 5m · 129 mi
View PDX to SEA flights →
MSO SLC (Salt Lake City) SEA
Leg 1: 1h 42m (436 mi) Leg 2: 2h 20m (688 mi) Total: ~4h 2m 🍃 233 kg CO₂ (+224% vs. direct)
Leg 1
MSO → SLC
1h 42m · 436 mi
View MSO to SLC flights →
Leg 2
SLC → SEA
2h 20m · 688 mi
View SLC to SEA flights →
MSO SFO (San Francisco) SEA
Leg 1: 2h 35m (769 mi) Leg 2: 2h 19m (678 mi) Total: ~4h 54m 🍃 292 kg CO₂ (+306% vs. direct)
Leg 1
MSO → SFO
2h 35m · 769 mi
View MSO to SFO flights →
Leg 2
SFO → SEA
2h 19m · 678 mi
View SFO to SEA flights →
MSO LAS (Las Vegas) SEA
Leg 1: 2h 15m (749 mi) Leg 2: 2h 51m (866 mi) Total: ~5h 6m 🍃 324 kg CO₂ (+350% vs. direct)
Leg 1
MSO → LAS
2h 15m · 749 mi
View MSO to LAS flights →
Leg 2
LAS → SEA
2h 51m · 866 mi
View LAS to SEA flights →
MSO DEN (Denver) SEA
Leg 1: 2h 7m (679 mi) Leg 2: 3h 2m (1,023 mi) Total: ~5h 9m 🍃 324 kg CO₂ (+350% vs. direct)
Leg 1
MSO → DEN
2h 7m · 679 mi
View MSO 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 Missoula to Seattle?

A nonstop flight from Missoula (MSO) to Seattle (SEA) takes approximately 1 hours and 40 minutes. The distance is 388 miles (625 km).

Which airlines fly nonstop from Missoula to Seattle?

Just Alaska Airlines.

Is there a nonstop flight from Missoula to Seattle?

Yes. 1 airline: Alaska Airlines.

How far is Missoula from Seattle?

The flight distance from Missoula to Seattle is 388 miles (625 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.

What type of aircraft flies from Missoula to Seattle?

At 1h 40m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

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

Roughly 72 kg CO2 per passenger one-way. That's about the same as driving 360 km.

Is the return flight from Seattle to Missoula 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 Missoula 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 Missoula Intl for this flight?

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