United States · 2,620 miles (4,217 km)

Fort Myers (RSW) to Seattle (SEA) flights

One airline flies nonstop from Fort Myers (RSW) to Seattle (SEA): Alaska Airlines. The two airports are 2,620 miles (4,217 km) apart. Alaska Airlines is in oneworld. There are also 40 ways to fly it with one stop, through Denver, Kansas City and New Orleans and more.

Airlines flying nonstop from RSW to SEA

Book RSW to SEA with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

RSW to SEA with one stop

40 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Denver (DEN)Frontier Airlines, United Airlines and 1 more the whole way
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    +3
  • Via Kansas City (MCI)Southwest Airlines the whole way
    Southwest Airlines logo
    Alaska Airlines logo
    Southwest Airlines logo
    Delta Air Lines logo
  • Via New Orleans (MSY)Breeze Airways, then Alaska Airlines
    Breeze Airways logo
    Alaska Airlines logo
  • Via Omaha (OMA)Southwest Airlines, then Alaska Airlines
    Southwest Airlines logo
    Alaska Airlines logo
  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    Delta Air Lines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Dallas (DAL)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Orlando (MCO)Southwest Airlines, then Alaska Airlines and Delta Air Lines
    Southwest Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Saint Louis (STL)Southwest Airlines the whole way
    Southwest Airlines logo
    Alaska Airlines logo
    Southwest Airlines logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    Delta Air Lines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Nashville (BNA)Southwest Airlines the whole way
    Southwest Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Houston (IAH)United Airlines the whole way
    United Airlines logo
    Alaska Airlines logo
    United Airlines logo
  • Via Houston (HOU)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Austin (AUS)Southwest Airlines and Delta Air Lines the whole way
    Southwest Airlines logo
    Delta Air Lines logo
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Indianapolis (IND)Southwest Airlines, then Alaska Airlines and American Airlines
    Southwest Airlines logo
    Alaska Airlines logo
    American Airlines logo
See all 40 in Routes

RSW to SEA: common questions

Which airlines fly nonstop from RSW to SEA?

Alaska Airlines (oneworld) flies nonstop from Fort Myers (RSW) to Seattle (SEA).

How far is Fort Myers from Seattle by plane?

Fort Myers (RSW) and Seattle (SEA) are 2,620 miles (4,217 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book RSW to SEA award flights?

9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does RSW to SEA cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for RSW to SEA with taxes and fees.

Where can I connect between Fort Myers and Seattle?

The most direct connections are through Denver (DEN), Kansas City (MCI), New Orleans (MSY), Omaha (OMA) and Salt Lake City (SLC). On 29 of them the same airline flies both flights, for example Frontier Airlines through Denver.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.