Direct (nonstop) flights from Baltimore to Seattle
2 airlines fly nonstop from Baltimore Washington International (BWI) to Seattle Tacoma International (SEA). It's 2,334 miles (3,756 km), about 5h 54m in the air. Operated by Alaska Airlines, Southwest Airlines.
Alaska Airlines
Southwest Airlines
Route data last updated: May 30, 2026
Airlines with non-stop flights
AS
Alaska Airlines
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Baltimore to Seattle with one stop · direct emits 394 kg CO₂ per passenger
Looking for the return flight?
SEA → BWI: Flights from Seattle to BaltimoreOther direct flights from Baltimore
Direct flights from Seattle (SEA)
Frequently Asked Questions
How long is the direct flight from Baltimore to Seattle?
A nonstop flight from Baltimore (BWI) to Seattle (SEA) takes approximately 5 hours and 54 minutes. The distance is 2,334 miles (3,756 km).
Which airlines fly nonstop from Baltimore to Seattle?
2 airlines: Alaska Airlines, Southwest Airlines.
Is there a nonstop flight from Baltimore to Seattle?
Yes. 2 airlines: Alaska Airlines, Southwest Airlines.
How far is Baltimore from Seattle?
The flight distance from Baltimore to Seattle is 2,334 miles (3,756 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 Baltimore to Seattle?
At 5h 54m, 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 Baltimore to Seattle?
Roughly 394 kg CO2 per passenger one-way. That's about the same as driving 1,970 km.
Is the return flight from Seattle to Baltimore 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 Baltimore 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 Baltimore Washington International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.