Distance From St Bernard Field to Seattle–Tacoma International Airport

The distance from St Bernard Field () to Seattle–Tacoma International Airport (SEA) is 2214 miles or 3563 kilometers or 1923 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.

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How long does it take to travel from Union Springs ( United States ) to Seattle ( United States )?

A one-way nonstop (direct) flight between Union Springs and Seattle takes around 5 hours 5 minutes.

Estimated flight time from St Bernard Field, Union Springs, United States to Seattle–Tacoma International Airport, Seattle, United States is 5 hours 5 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		3563 km
Statute Miles		2214 miles
Nautical Miles		1923 nm
Avg. Time of Flight		5 hours 5 minutes

St Bernard Field to Seattle–Tacoma International Airport Flight Route Map - to SEA Flight Path

Location of St Bernard Field & Seattle–Tacoma International Airport is given below.
Click the map to view Union Springs to Seattle nonstop flight path and travel direction.

Click to see flight route on Google Map between Union Springs, United States and Seattle, United States. .

Nonstop flight route between Union Springs, United States and Seattle, United States.

Time Difference Between the Airports • - SEA

Time difference between Union Springs (United States) and Seattle (United States) is 2 Hours.
Seattle time is 2 Hours behind Union Springs.

Location	Local Time
Union Springs (United States)	2025-12-05, 04:36:44 EST
Seattle (United States)	2025-12-05, 02:36:44 MST

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

St Bernard Field ( / 94NY) Union Springs, United States

Destination

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