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CSM to SEA: distance & flight time
Clinton (Clinton Sherman Airport) → Seattle (Seattle Tacoma International Airport)
1,452 mi
2,337 km · 1,262 nm
3h 37m
estimated nonstop flight time
-2h
time difference · heading northwest
See live CSM→SEA fares Phone-only fares on this route — call free
Flight time details
1,452 miles nonstop takes roughly 3h 37m 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
- CSM — Clinton Sherman Airport · Clinton, 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 CSM
- HBR · Hobart Regional Airport26 mi away
- LTS · Altus Air Force Base47 mi away
- FSI · Henry Post Army Air Field (Fort Sill)66 mi away
- LAW · Lawton Fort Sill Regional Airport69 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 CSM from SEA?
The flight distance from Clinton (CSM) to Seattle (SEA) is 1,452 miles (2,337 km, 1,262 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CSM to SEA?
A nonstop flight takes about 3h 37m 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 Clinton and Seattle?
Seattle is 2 hours behind Clinton.
What is the cheapest way to fly from CSM to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CSM–SEA that never appear on search engines, with no booking fees.