Direct (nonstop) flights from Guanacaste to Seattle
1 airline flys nonstop from Daniel Oduber Quiros International (LIR) to Seattle Tacoma International (SEA). It's 3,319 miles (5,341 km), about 7h 50m 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 Guanacaste to Seattle with one stop · direct emits 507 kg CO₂ per passenger
Looking for the return flight?
SEA → LIR: Flights from Seattle to GuanacasteOther direct flights from Guanacaste
Direct flights from Seattle (SEA)
Frequently Asked Questions
How long is the direct flight from Guanacaste to Seattle?
A nonstop flight from Guanacaste (LIR) to Seattle (SEA) takes approximately 7 hours and 50 minutes. The distance is 3,319 miles (5,341 km).
Which airlines fly nonstop from Guanacaste to Seattle?
Just Alaska Airlines.
Is there a nonstop flight from Guanacaste to Seattle?
Yes. 1 airline: Alaska Airlines.
How far is Guanacaste from Seattle?
The flight distance from Guanacaste to Seattle is 3,319 miles (5,341 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to New York.
What is the time difference between Guanacaste and Seattle?
Seattle is 1 hour behind Guanacaste. (America/Costa_Rica vs America/Los_Angeles.)
What type of aircraft flies from Guanacaste to Seattle?
At 7h 50m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.
Do I need a visa to travel from Costa Rica to USA?
Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Guanacaste to Seattle?
Roughly 507 kg CO2 per passenger one-way. That's about the same as driving 2,535 km.
Is the return flight from Seattle to Guanacaste 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 Guanacaste 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 Daniel Oduber Quiros International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.