How far is Spokane Valley, WA from SeaTac, WA?
The driving distance from Spokane Valley, WA to SeaTac, WA is about 294 miles (473.1 km), with a travel time of about 05h 27m by car.
- The straight-line flight distance is about 236.1 miles (379.9 km).
- For a round trip, plan for roughly 10h 54m 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 27m.
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 Valley and SeaTac.
Turn-by-Turn Driving Directions
Step-by-step road directions between Spokane Valley and SeaTac.
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1
Start on North Pines Road
820 ft · 27 sec · North Pines Road
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2
Turn left onto East Montgomery Avenue
47 m · 6 sec · East Montgomery Avenue
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3
Take the ramp slight left
1753 ft · 43 sec
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4
Merge slight left onto Spokane Valley Freeway
11.3 mi · 14 min · Spokane Valley Freeway
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5
Keep slight left
56.6 mi · 1 hr 1 min
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6
Keep slight left
211 mi · 3 hr 50 min
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7
Take the exit slight right toward I 405: Renton, Everett
1138 ft · 28 sec
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8
Keep slight left to continue on I 405 South: Renton
1 km · 1 min
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9
Merge slight left
10.7 mi · 13 min
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10
Continue straight
1.5 km · 1 min
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11
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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12
Keep slight left to continue on Seattle-Tacoma International Airport
2508 ft · 43 sec
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13
Continue on Airport Expressway
2512 ft · 53 sec · Airport Expressway
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14
Take the exit slight left toward Air Cargo Road, Rental Car Return, Cell Phone Lot
760 ft · 19 sec
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15
Keep slight left to continue on Rental Car Return, Air Cargo Road
41 m · 3 sec
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16
Keep slight left to continue on WA 99: International Boulevard
105 m · 11 sec
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17
Turn left onto South 170th Street
1930 ft · 58 sec · South 170th Street
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18
Turn right onto 32nd Avenue South
949 ft · 36 sec · 32nd Avenue South
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19
Turn right
16 m · 6 sec
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20
Turn right
43 m · 10 sec
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Spokane Valley 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.
Spokane Valley Freeway
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 Valley 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 Valley to SeaTac?
The road trip is about 294 miles (473.1 km) and usually takes 05h 27m 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 146.7 miles from Spokane Valley and 147.3 miles from SeaTac.
How much longer is the road route than the straight-line distance?
The direct path is about 236.1 miles (379.9 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 6:06 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $54.27 one way or $108.53 round trip. Estimated CO2 is about 92.2 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Spokane Valley 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 Valley and SeaTac. Straight-line distance: 236.05 mi (379.89 km).
#1 Spokane Valley
The most populous city in Spokane County, Washington.
| Population | 102,893 |
| Coordinates | 47.6732300, -117.2393700 |
| Altitude | 615 |
| 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: 473 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 47m |
| 40 mph (64.37 km/h) | 07h 21m |
| 50 mph (80.47 km/h) | 05h 52m |
| 60 mph (96.56 km/h) | 04h 53m |
| 70 mph (112.65 km/h) | 04h 12m |
| 80 mph (129 km/h) | 03h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.23 | $54.27 | $108.53 |
| Mid-grade | $5.57 | $57.73 | $115.46 |
| Premium | $5.77 | $59.85 | $119.69 |
| Diesel | $5.47 | $56.69 | $113.39 |
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.