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UIN to SEA: distance & flight time
Quincy (Quincy Regional Baldwin Field) → Seattle (Seattle Tacoma International Airport)
1,626 mi
2,617 km · 1,413 nm
3h 39m
estimated nonstop flight time
-2h
time difference · heading northwest
See live UIN→SEA fares Phone-only fares on this route — call free
Flight time details
1,626 miles nonstop takes roughly 3h 39m gate to gate, flying northwest. 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
- UIN — Quincy Regional Baldwin Field · Quincy, 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 UIN
- EOK · Keokuk Municipal Airport38 mi away
- BRL · Southeast Iowa Regional Airport58 mi away
- IRK · Kirksville Regional Airport72 mi away
- GBG · Galesburg Municipal Airport80 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 UIN from SEA?
The flight distance from Quincy (UIN) to Seattle (SEA) is 1,626 miles (2,617 km, 1,413 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UIN to SEA?
A nonstop flight takes about 3h 39m 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 Quincy and Seattle?
Seattle is 2 hours behind Quincy.
What is the cheapest way to fly from UIN to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UIN–SEA that never appear on search engines, with no booking fees.