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Distance between Chicago, IL (MDW) and Seattle, WA (SEA)

Flight distance from Chicago to Seattle (Chicago Midway International Airport – Seattle–Tacoma International Airport) is 1733 miles / 2789 kilometers / 1506 nautical miles. Estimated flight time is 3 hours 46 minutes.

Driving distance from Chicago (MDW) to Seattle (SEA) is 2057 miles / 3310 kilometers and travel time by car is about 36 hours 35 minutes.

Chicago – Seattle

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1733
Miles
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2789
Kilometers
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1506
Nautical miles

How far is Seattle from Chicago?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:

Vincenty's formula (applied above)
  • 1733.255 miles
  • 2789.403 kilometers
  • 1506.157 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 1728.763 miles
  • 2782.174 kilometers
  • 1502.254 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Chicago to Seattle?

Estimated flight time from Chicago Midway International Airport to Seattle–Tacoma International Airport is 3 hours 46 minutes.

What is the time difference between Chicago and Seattle?

The time difference between Chicago and Seattle is 2 hours. Seattle is 2 hours behind Chicago.
Chicago time to Seattle time converter

Flight carbon footprint between Chicago Midway International Airport (MDW) and Seattle–Tacoma International Airport (SEA)

On average flying from Chicago to Seattle generates about 195 kg of CO2 per passenger, 195 kilograms is equal to 430 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Chicago to Seattle

Shortest flight path between Chicago Midway International Airport (MDW) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin Chicago Midway International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: MDW
ICAO Code: KMDW
Coordinates: 41°47′9″N, 87°45′8″W
Destination Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W

Airlines flying from Chicago (MDW) to Seattle (SEA)

AirTran Airways
Southwest Airlines