Seattle (SEA) to Tampa (TPA)
Flight time
≈ 5h 50m
Bearing
108° E
Seattle (SEA) to Tampa (TPA) is 2,517 miles (4,051 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies SEA–TPA
Filed traffic dataIn May 2026, Alaska Airlines operated the most departures, one of 2 carriers flying nonstop SEA–TPA; the Airbus A321neo was the most common aircraft at 34% of departures; flights ran 87% full.
Departures
183
May 2026
Seats
33,321
both directions
Passengers
28,884
both directions
Load factor
86.7%
RPM ÷ ASM
Who flies SEA–TPA?
Alaska Airlines operated the most nonstop SEA–TPA departures in May 2026 (121), one of 2 carriers on the route.
- AS
121 departures · 21,298 seats
Share of departures66.1%85.1%
Load
- DL
62 departures · 12,023 seats
Share of departures33.9%89.5%
Load
What plane flies SEA–TPA?
In May 2026, the Airbus A321neo flew 34% of SEA–TPA departures — more than any other aircraft type.
- Airbus A321neo
62 departures · 89.5% load
33.9% - Boeing 737-900ER
58 departures · 84.3% load
31.7% - Boeing 737 MAX 9
49 departures · 86.7% load
26.8% - Boeing 737-800
13 departures · 81.9% load
7.1% - Boeing 737 MAX 8
1 departures · 90.6% load
0.5%
How has SEA–TPA traffic changed?
Nonstop SEA–TPA departures rose from 177 in June 2025 to 183 in May 2026.
Monthly nonstop SEA–TPA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
177 departures · 29,262 passengers
90.8%
Load
July 2025
186 departures · 31,141 passengers
91.3%
Load
August 2025
175 departures · 29,081 passengers
90.8%
Load
September 2025
153 departures · 24,415 passengers
87.0%
Load
October 2025
123 departures · 20,168 passengers
88.4%
Load
November 2025
133 departures · 21,111 passengers
86.1%
Load
December 2025
170 departures · 26,847 passengers
89.9%
Load
January 2026
134 departures · 20,274 passengers
90.9%
Load
February 2026
146 departures · 21,874 passengers
88.3%
Load
March 2026
176 departures · 28,535 passengers
89.9%
Load
April 2026
174 departures · 27,592 passengers
86.9%
Load
May 2026
183 departures · 28,884 passengers
86.7%
Load
By direction
Each direction is filed separately — they rarely match.
TPA → SEA
90.5% full
92 departures · 15,232 passengers
SEA → TPA
82.8% full
91 departures · 13,652 passengers
Nonstop SEA–TPA 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
Frequently asked
How far is Seattle (SEA) from Tampa (TPA)?
SEA to TPA is 2,517 miles (4,051 km / 2,187 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from SEA to TPA?
A nonstop covers the 2,517-mile great-circle distance in roughly 5h 50m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies SEA–TPA?
In May 2026, the Airbus A321neo flew the largest share of departures (33.9%), followed by the Boeing 737-900ER (31.7%).
What mileage do I earn flying SEA–TPA?
Distance-based programs credit off the 2,517-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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