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 July 2026, Alaska Airlines operated the most departures, one of 2 carriers flying nonstop SEA–TPA; the Boeing 737-900ER was the most common aircraft at 37% of departures; flights ran 93% full.
Departures
183
July 2026
Seats
33,430
both directions
Passengers
31,020
both directions
Load factor
92.8%
RPM ÷ ASM
Who flies SEA–TPA?
Alaska Airlines operated the most nonstop SEA–TPA departures in July 2026 (123), one of 2 carriers on the route.
- AS
123 departures · 21,792 seats
Share of departures67.2%92.4%
Load
- DL
60 departures · 11,638 seats
Share of departures32.8%93.5%
Load
What plane flies SEA–TPA?
In July 2026, the Boeing 737-900ER flew 37% of SEA–TPA departures — more than any other aircraft type.
- Boeing 737-900ER
68 departures · 92.6% load
37.2% - Airbus A321neo
60 departures · 93.5% load
32.8% - Boeing 737 MAX 9
49 departures · 91.9% load
26.8% - Boeing 737-800
6 departures · 93.8% load
3.3%
How has SEA–TPA traffic changed?
Nonstop SEA–TPA departures rose from 175 in August 2025 to 183 in July 2026.
Monthly nonstop SEA–TPA traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
June 2026
180 departures · 29,938 passengers
91.2%
Load
July 2026
183 departures · 31,020 passengers
92.8%
Load
By direction
Each direction is filed separately — they rarely match.
SEA → TPA
91.8% full
92 departures · 15,436 passengers
TPA → SEA
93.7% full
91 departures · 15,584 passengers
Nonstop SEA–TPA traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 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 July 2026, the Boeing 737-900ER flew the largest share of departures (37.2%), followed by the Airbus A321neo (32.8%).
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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