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JAX to SEA: distance & flight time
Jacksonville (Jacksonville International Airport) → Seattle (Seattle Tacoma International Airport)
2,439 mi
3,925 km · 2,120 nm
5h 15m
estimated nonstop flight time
-3h
time difference · heading northwest
See live JAX→SEA fares Phone-only fares on this route — call free
Flight time details
2,439 miles nonstop takes roughly 5h 15m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- JAX — Jacksonville International Airport · Jacksonville, United States
- SEA — Seattle Tacoma International Airport · Seattle, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near JAX
Near SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Frequently asked questions
How far is JAX from SEA?
The flight distance from Jacksonville (JAX) to Seattle (SEA) is 2,439 miles (3,925 km, 2,120 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from JAX to SEA?
A nonstop flight takes about 5h 15m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Jacksonville and Seattle?
Seattle is 3 hours behind Jacksonville.
What is the cheapest way to fly from JAX to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on JAX–SEA that never appear on search engines, with no booking fees.