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DSM to SEA: distance & flight time
Des Moines (Des Moines International Airport) → Seattle (Seattle Tacoma International Airport)
1,460 mi
2,350 km · 1,269 nm
3h 38m
estimated nonstop flight time
-2h
time difference · heading northwest
See live DSM→SEA fares Phone-only fares on this route — call free
Flight time details
1,460 miles nonstop takes roughly 3h 38m 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
- DSM — Des Moines International Airport · Des Moines, 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 DSM
- OTM · Ottumwa Regional Airport70 mi away
- FOD · Fort Dodge Regional Airport75 mi away
- ALO · Waterloo Regional Airport96 mi away
- CID · The Eastern Iowa Airport104 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 DSM from SEA?
The flight distance from Des Moines (DSM) to Seattle (SEA) is 1,460 miles (2,350 km, 1,269 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DSM to SEA?
A nonstop flight takes about 3h 38m 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 Des Moines and Seattle?
Seattle is 2 hours behind Des Moines.
What is the cheapest way to fly from DSM to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DSM–SEA that never appear on search engines, with no booking fees.