How far is Spokane, WA from SeaTac, WA?
The driving distance from Spokane, WA to SeaTac, WA is about 285.1 miles (458.8 km), with a travel time of about 05h 17m by car.
- The straight-line flight distance is about 227.2 miles (365.6 km).
- For a round trip, plan for roughly 10h 34m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM PDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 05h 17m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Washington, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Light Rain
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Spokane and SeaTac.
Turn-by-Turn Driving Directions
Step-by-step road directions between Spokane and SeaTac.
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1
Start on South Gorge Trail
48 m · 21 sec · South Gorge Trail
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2
Turn right
8 m · 9 sec
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3
Turn left onto West Main Avenue
141 m · 20 sec · West Main Avenue
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4
Turn right onto North Monroe Street
2139 ft · 1 min · North Monroe Street
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5
Turn slight right onto West Freeway Avenue
643 ft · 18 sec · West Freeway Avenue
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6
Keep slight left to continue on West Freeway Avenue
57 m · 5 sec · West Freeway Avenue
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7
Take the ramp straight toward I 90 West: Seattle
1245 ft · 30 sec
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8
Merge slight left
2 mi · 3 min
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9
Keep slight left
56.6 mi · 1 hr 1 min
-
10
Keep slight left
211 mi · 3 hr 50 min
-
11
Take the exit slight right toward I 405: Renton, Everett
1138 ft · 28 sec
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12
Keep slight left to continue on I 405 South: Renton
1 km · 1 min
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13
Merge slight left
10.7 mi · 13 min
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14
Continue straight
1.5 km · 1 min
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15
Take the exit slight right toward WA 99 South: Seattle-Tacoma International Airport, Rental Car Return, State Patrol, Tukwila International Boulevard Station
1670 ft · 28 sec
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16
Keep slight left to continue on Seattle-Tacoma International Airport
2508 ft · 43 sec
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17
Continue on Airport Expressway
2512 ft · 53 sec · Airport Expressway
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18
Take the exit slight left toward Air Cargo Road, Rental Car Return, Cell Phone Lot
760 ft · 19 sec
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19
Keep slight left to continue on Rental Car Return, Air Cargo Road
41 m · 3 sec
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20
Keep slight left to continue on WA 99: International Boulevard
105 m · 11 sec
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21
Turn left onto South 170th Street
1930 ft · 58 sec · South 170th Street
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22
Turn right onto 32nd Avenue South
949 ft · 36 sec · 32nd Avenue South
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23
Turn right
16 m · 6 sec
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24
Turn right
43 m · 10 sec
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25
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Spokane and SeaTac.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 90 West
Keep slight left
211 mi · 03h 50m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Chance Light Rain leaving Spokane and Mostly Sunny near SeaTac.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Spokane to SeaTac?
The road trip is about 285.1 miles (458.8 km) and usually takes 05h 17m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
George is a useful midpoint, sitting about 142.3 miles from Spokane and 142.9 miles from SeaTac.
How much longer is the road route than the straight-line distance?
The direct path is about 227.2 miles (365.6 km), while the road route adds roughly 57.9 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 6:26 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $52.64 one way or $105.29 round trip. Estimated CO2 is about 89.4 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Spokane and Mostly Sunny near SeaTac.
Stop Ideas Near George
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to George.
Quincy, Washington
Ephrata, WA
Ephrata
Moses Lake, Washington
Flight Path Map
This map shows the direct air route between Spokane and SeaTac. Straight-line distance: 227.2 mi (365.64 km).
#1 Spokane
The second most populous city in Washington.
| Population | 222,050 |
| Coordinates | 47.6596600, -117.4290800 |
| Altitude | 571 |
| Country | United States |
#2 SeaTac
Airport in SeaTac, Washington, USA
| Population | 28,904 |
| Coordinates | 47.4484600, -122.2921700 |
| Altitude | 80 |
| Country | United States |
End: SeaTac (-122.29217, 47.44846)
Estimated Travel Time
Distance: 459 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 29m |
| 40 mph (64.37 km/h) | 07h 07m |
| 50 mph (80.47 km/h) | 05h 42m |
| 60 mph (96.56 km/h) | 04h 45m |
| 70 mph (112.65 km/h) | 04h 04m |
| 80 mph (129 km/h) | 03h 33m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $52.64 | $105.29 |
| Mid-grade | $5.57 | $56.00 | $112.01 |
| Premium | $5.77 | $58.06 | $116.11 |
| Diesel | $5.47 | $55.00 | $110.00 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Washington · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.