Distance From Deer Lodge City County Airport to Seattle–Tacoma International Airport

The distance from Deer Lodge City County Airport () to Seattle–Tacoma International Airport (SEA) is 457 miles or 734 kilometers or 397 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

---

How long does it take to travel from Deer Lodge ( United States ) to Seattle ( United States )?

A one-way nonstop (direct) flight between Deer Lodge and Seattle takes around 1 hours 2 minutes.

Estimated flight time from Deer Lodge City County Airport, Deer Lodge, United States to Seattle–Tacoma International Airport, Seattle, United States is 1 hours 2 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • - SEA

Kilometers		734 km
Statute Miles		457 miles
Nautical Miles		397 nm
Avg. Time of Flight		1 hours 2 minutes

Deer Lodge City County Airport to Seattle–Tacoma International Airport Flight Route Map - to SEA Flight Path

Location of Deer Lodge City County Airport & Seattle–Tacoma International Airport is given below.
Click the map to view Deer Lodge to Seattle nonstop flight path and travel direction.

Click to see flight route on Google Map between Deer Lodge, United States and Seattle, United States. .

Nonstop flight route between Deer Lodge, United States and Seattle, United States.

Time Difference Between the Airports • - SEA

Time difference between Deer Lodge (United States) and Seattle (United States) is 0 Hours.

Location	Local Time
Deer Lodge (United States)	2026-05-04, 17:31:57 MDT
Seattle (United States)	2026-05-04, 17:31:57 MDT

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Deer Lodge City County Airport ( / K38S) Deer Lodge, United States

Destination

Seattle–Tacoma International Airport (SEA / KSEA) Seattle, United States