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OSH to SEA: distance & flight time
Oshkosh (Wittman Regional Airport) → Seattle (Seattle Tacoma International Airport)
1,633 mi
2,627 km · 1,419 nm
3h 40m
estimated nonstop flight time
-2h
time difference · heading west
See live OSH→SEA fares Phone-only fares on this route — call free
Flight time details
1,633 miles nonstop takes roughly 3h 40m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- OSH — Wittman Regional Airport · Oshkosh, 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 OSH
- FLD · Fond du Lac County Airport15 mi away
- ATW · Appleton International Airport19 mi away
- SBM · Sheboygan County Memorial Airport38 mi away
- GRB · Austin Straubel International Airport41 mi away
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 OSH from SEA?
The flight distance from Oshkosh (OSH) to Seattle (SEA) is 1,633 miles (2,627 km, 1,419 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSH to SEA?
A nonstop flight takes about 3h 40m 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 Oshkosh and Seattle?
Seattle is 2 hours behind Oshkosh.
What is the cheapest way to fly from OSH to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSH–SEA that never appear on search engines, with no booking fees.