Liberia (LIR) to Seattle (SEA)
Flight time
≈ 7h 27m
Bearing
327° NW
Liberia (LIR) to Seattle (SEA) is 3,323 miles (5,348 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies LIR–SEA
Filed traffic dataIn May 2026, Alaska Airlines was the only carrier flying nonstop LIR–SEA; the Boeing 737 MAX 8 was the most common aircraft at 100% of departures; flights ran 78% full.
Departures
4
May 2026
Seats
644
both directions
Passengers
501
both directions
Load factor
77.8%
RPM ÷ ASM
Who flies LIR–SEA?
Alaska Airlines was the only carrier to fly nonstop LIR–SEA in May 2026 (4 departures).
- AS
4 departures · 644 seats
Share of departures100.0%77.8%
Load
What plane flies LIR–SEA?
In May 2026, the Boeing 737 MAX 8 flew 100% of LIR–SEA departures.
- Boeing 737 MAX 8
4 departures · 77.8% load
100.0%
How has LIR–SEA traffic changed?
Nonstop LIR–SEA departures rose from 3 in November 2025 to 4 in May 2026.
Monthly nonstop LIR–SEA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
November 2025
3 departures · 409 passengers
85.7%
Load
December 2025
8 departures · 1,099 passengers
85.7%
Load
January 2026
9 departures · 1,263 passengers
88.1%
Load
February 2026
8 departures · 1,144 passengers
89.5%
Load
March 2026
9 departures · 1,314 passengers
91.3%
Load
April 2026
8 departures · 1,092 passengers
84.8%
Load
May 2026
4 departures · 501 passengers
77.8%
Load
By direction
Each direction is filed separately — they rarely match.
LIR → SEA
86.7% full
2 departures · 279 passengers
SEA → LIR
68.9% full
2 departures · 222 passengers
Nonstop LIR–SEA traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
The airports
Liberia
CR
Daniel Oduber Quirós International Airport
Coordinates
10.59°N, 85.54°W
Hemisphere
N · W
Frequently asked
How far is Liberia (LIR) from Seattle (SEA)?
LIR to SEA is 3,323 miles (5,348 km / 2,887 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from LIR to SEA?
A nonstop covers the 3,323-mile great-circle distance in roughly 7h 27m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies LIR–SEA?
In May 2026, the Boeing 737 MAX 8 flew the largest share of departures (100.0%).
What mileage do I earn flying LIR–SEA?
Distance-based programs credit off the 3,323-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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