Seattle (SEA) to Orlando (ORL): 2,544 miles (4,094 km) great-circle, about 5h 35m nonstop by our estimate. Cheapest fare observed: $372 round-trip on Frontier, with 1 stop, departing April 26, 2026.
$372 round-trip, Frontier F94204, departing 2026-04-26 at 21:54, returning 2026-04-30. The recorded itinerary left on a Sunday, returning on a Thursday 4 nights later; the fare was observed 1 day before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $372, it ranked 14th of the 30 round-trip fares we recorded from SEA (median $591). That is 14.6 cents per great-circle mile (round-trip price over one-way distance), below the SEA median of 19.2 cents across 30 round-trip routes.
Routes from SEA of similar length: Boston (2,489 mi) at $289 and New York (2,415 mi) at $300.
Frontier had the cheapest fare on 10 of 30 SEA routes. It is the 14th longest of the 30 routes we track from SEA.
Of 31 departure airports with a fare to Orlando, Seattle (SEA) ranked 25th at $372. Lowest: $61 from Charlotte (CLT); highest: $754 from Panama City (PTY); 14 nonstop. Cheapest-fare airlines (routes): Frontier (13), Spirit (5), Southwest (3), Air Canada (1), Arajet (1) and Avianca (1), plus 7 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Los_Angeles, America/New_York; flight time is our estimate.