Distance from SEA Airport to ORD Airport


2,090 mi


1 day 12 hours

Gas Cost

$156 - $303

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Route map between SEA Airport and ORD Airport Show Map

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There are 1,716.08 miles from Seattle–Tacoma International Airport (SEA) to O'Hare International Airport (ORD) in southeast direction and 2,090 miles (3,363.53 kilometers) by car, following the I-90 route.

SEA Airport and ORD Airport are 1 day 12 hours far apart, if you drive non-stop.

This is the fastest route from SEA Airport to ORD Airport. The halfway point is Gillette, WY.

Please note the time difference between SEA Airport and ORD Airport is 2 hours. The current time in SEA Airport is 6:51 am and the current time in ORD Airport is 8:51 am.

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Gas Consumption and Emissions

A car with an MPG of will need 96.76 gallons of gas to cover the route between SEA Airport and ORD Airport.

The estimated cost of gas to go from SEA Airport to ORD Airport is $252.55.

During the route, an average car will release 1,895.81 pounds of CO2 to the atmosphere. Your carbon footprint is 0.91 pounds of CO2 per mile.

Halfway Point Between SEA Airport and ORD Airport

If you want to meet halfway between SEA Airport and ORD Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.237907 and -105.485634, or 44º 14' 16.4652" N, 105º 29' 8.2824" W. This location is 1,045.05 miles away from SEA Airport and ORD Airport and it would take approximately 18 hours 6 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Gillette, WY, situated 1054.5 miles from SEA Airport and 1035.94 miles from ORD Airport. It would take 18 hours 22 mins to go from SEA to Gillette and 17 hours 59 mins to go from ORD to Gillette.

Major Cities Along the Route

Some major cities along the route include Billings, MT,Spokane, WA,Bellevue, WA,Renton, WA,Kent, WA, and Sioux Falls, SD.

Best Hotels In or Near ORD Airport

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

Lowest Price Rental Cars in SEA Airport

Planning on renting a car to go from SEA Airport to ORD 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 ORD


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


Mixed precipitation today through Sunday, with temperatures rising to 57°F on Tuesday.

Feb 21
Feb 22
Feb 23
Feb 24
Feb 25
Cloudy Snow Fog Rain Wind
33° 27° 36° 31° 46° 35° 48° 35° 47° 33°
98% Rain probability 39% Rain probability 41% Rain probability 76% Rain probability 79% Rain probability
8 356 degrees 10 68 degrees 3 196 degrees 7 109 degrees 14 266 degrees

Distance conversions

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

Distance type Miles Kilometers Nautical miles
Straight line distance 1,716.08 mi 1.61 km 0.87 nautical mi
Driving distance 2,090 mi 3.22 km 1.74 nautical mi

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