Distance from SEA Airport to SLC Airport


843 mi


15 hours 17 mins

Gas Cost

$63 - $122

Loading SEA Airport - SLC Airport Route Map

Route map between SEA Airport and SLC Airport Show Map

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There are 687.62 miles from Seattle–Tacoma International Airport (SEA) to Salt Lake City International Airport (SLC) in southeast direction and 843 miles (1,356.68 kilometers) by car, following the I-84 route.

SEA Airport and SLC Airport are 15 hours 17 mins far apart, if you drive non-stop.

This is the fastest route from SEA Airport to SLC Airport. The halfway point is Huntington, OR.

Please note the time difference between SEA Airport and SLC Airport is 1 hour. The current time in SEA Airport is 6:26 pm and the current time in SLC Airport is 7:26 pm.

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Gas Consumption and Emissions

A car with an MPG of will need 39.02 gallons of gas to cover the route between SEA Airport and SLC Airport.

The estimated cost of gas to go from SEA Airport to SLC Airport is $101.85.

During the route, an average car will release 764.53 pounds of CO2 to the atmosphere. Your carbon footprint is 0.91 pounds of CO2 per mile.

Halfway Point Between SEA Airport and SLC Airport

If you want to meet halfway between SEA Airport and SLC Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.368652 and -117.300491, or 44º 22' 7.1472" N, 117º 18' 1.7676" W. This location is 421.44 miles away from SEA Airport and SLC Airport and it would take approximately 7 hours 38 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Huntington, OR, situated 420.65 miles from SEA Airport and 422.7 miles from SLC Airport. It would take 7 hours 53 mins to go from SEA to Huntington and 7 hours 28 mins to go from SLC to Huntington.

Major Cities Along the Route

Some major cities along the route include Salt Lake City, UT,Boise, ID,Bellevue, WA,Renton, WA, and Kent, WA.

Best Hotels In or Near SLC Airport

Do you have where to stay when you arrive to SLC Airport? Check out our hotel recommendations:

Lowest Price Rental Cars in SEA Airport

Planning on renting a car to go from SEA Airport to SLC Airport? Here there are some offers to rent a car in or near SEA Airport:


Small cars

From $14


Intermediate cars

From $18


Full-size cars

From $24



From $28



From $40

Compare rental car prices in Seattle–Tacoma International Airport »

Weather in SEA and SLC


Mixed precipitation throughout the week, with temperatures bottoming out at 38°F on Friday.

Feb 21
Feb 22
Feb 23
Feb 24
Feb 25
Fog Partly cloudy day Snow Partly cloudy day Rain
39° 28° 42° 27° 38° 27° 44° 33° 44° 33°
18% Rain probability 16% Rain probability 45% Rain probability 71% Rain probability 64% Rain probability
1 101 degrees 5 10 degrees 8 192 degrees 2 206 degrees 9 211 degrees


Snow (4–7 in.) tomorrow through Tuesday, with temperatures rising to 41°F on Tuesday.

Feb 21
Feb 22
Feb 23
Feb 24
Feb 25
Partly cloudy day Partly cloudy day Fog Snow Snow
34° 10° 38° 19° 34° 23° 35° 21° 37° 27°
5% Rain probability 7% Rain probability 22% Rain probability 18% Rain probability 28% Rain probability
3 125 degrees 7 142 degrees 3 308 degrees 6 200 degrees 4 206 degrees

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between SEA Airport and SLC Airport in this table:

Distance type Miles Kilometers Nautical miles
Straight line distance 687.62 mi 1,106.61 km 597.53 nautical mi
Driving distance 843 mi 1,356.67 km 732.55 nautical mi

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