Need help booking?
Unpublished phone-only deals available
SZL to SEA: distance & flight time
Knobnoster (Whiteman Air Force Base) → Seattle (Seattle Tacoma International Airport)
1,560 mi
2,510 km · 1,356 nm
3h 32m
estimated nonstop flight time
-2h
time difference · heading northwest
See live SZL→SEA fares Phone-only fares on this route — call free
Flight time details
1,560 miles nonstop takes roughly 3h 32m 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
- SZL — Whiteman Air Force Base · Knobnoster, 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 SZL
- MKC · Charles B. Wheeler Downtown Airport62 mi away
- OJC · Johnson County Executive Airport65 mi away
- AIZ · Lee C Fine Memorial Airport70 mi away
- COU · Columbia Regional Airport72 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 SZL from SEA?
The flight distance from Knobnoster (SZL) to Seattle (SEA) is 1,560 miles (2,510 km, 1,356 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SZL to SEA?
A nonstop flight takes about 3h 32m 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 Knobnoster and Seattle?
Seattle is 2 hours behind Knobnoster.
What is the cheapest way to fly from SZL to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SZL–SEA that never appear on search engines, with no booking fees.