Direct (nonstop) flights from Billings to Seattle
1 airline flys nonstop from Billings Logan International Airport (BIL) to Seattle Tacoma International (SEA). It's 664 miles (1,068 km), about 2h 10m in the air. Operated by Alaska Airlines.
Alaska Airlines
Route data last updated: May 29, 2026
Airlines with non-stop flights
AS
Alaska Airlines
Alternative Routes
Other ways to fly from Billings to Seattle with one stop · direct emits 123 kg CO₂ per passenger
Looking for the return flight?
SEA → BIL: Flights from Seattle to BillingsOther direct flights from Billings
Direct flights from Seattle (SEA)
Frequently Asked Questions
How long is the direct flight from Billings to Seattle?
A nonstop flight from Billings (BIL) to Seattle (SEA) takes approximately 2 hours and 10 minutes. The distance is 664 miles (1,068 km).
Which airlines fly nonstop from Billings to Seattle?
Just Alaska Airlines.
Is there a nonstop flight from Billings to Seattle?
Yes. 1 airline: Alaska Airlines.
How far is Billings from Seattle?
The flight distance from Billings to Seattle is 664 miles (1,068 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.
What type of aircraft flies from Billings to Seattle?
At 2h 10m, 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 Billings to Seattle?
Roughly 123 kg CO2 per passenger one-way. That's about the same as driving 615 km.
Is the return flight from Seattle to Billings 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 Billings 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 Billings Logan International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.