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DLH to SEA: distance & flight time
Duluth (Duluth International Airport) → Seattle (Seattle Tacoma International Airport)
1,407 mi
2,264 km · 1,223 nm
3h 32m
estimated nonstop flight time
-2h
time difference · heading west
See live DLH→SEA fares Phone-only fares on this route — call free
Flight time details
1,407 miles nonstop takes roughly 3h 32m 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
- DLH — Duluth International Airport · Duluth, 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 DLH
- HIB · Range Regional Airport48 mi away
- GPZ · Grand Rapids Itasca Co-Gordon Newstrom field67 mi away
- HYR · Sawyer County Airport67 mi away
- LYU · Ely Municipal Airport70 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 DLH from SEA?
The flight distance from Duluth (DLH) to Seattle (SEA) is 1,407 miles (2,264 km, 1,223 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DLH 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 Duluth and Seattle?
Seattle is 2 hours behind Duluth.
What is the cheapest way to fly from DLH to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DLH–SEA that never appear on search engines, with no booking fees.