Bus
Driving
Tacoma to SeaTac
Updated: 30 May 2026
Connecting Tacoma to the SeaTac airport hub is a high-frequency travel corridor. The most direct route is via Interstate 5 North, covering roughly 30 kilometers. For those without a car, the Sound Transit 574 bus provides a reliable link between Tacoma Dome Station and the airport. Travel times vary significantly based on the time of day due to heavy regional traffic. Planning for extra time is essential if you have a flight to catch.
Total Distance: 30 km driving, 28 km air distance.
Fastest Way
Driving via I-5 N takes 35 minutes during off-peak hours.
Cheapest Way
Sound Transit 574 bus is the most economical choice at $3.25.
Compare Tacoma to SeaTac Routes
|
Direct
|
Direct
|
|
|---|---|---|
| Duration | 50 minutes | 35 minutes |
| Avg Price | $3.25 | $6 fuel |
| Operator | Sound Transit | Personal Vehicle |
| Route | Route 574 from Tacoma Dome Station to SeaTac Airport | I-5 N |
| Tip | Use an ORCA card for seamless payment. | Use the HOV lane if you have multiple passengers. |
Travel Tips
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Airport BufferAlways add 60 minutes to your travel time for airport arrivals.
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ORCA CardPurchase an ORCA card at any light rail station for bus travel.
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Traffic AlertsUse Google Maps or Waze to monitor I-5 traffic in real-time.
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LuggageIf taking the bus, ensure your luggage fits in the designated racks.
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ParkingUse off-site parking lots near SeaTac for cheaper daily rates.
Safety Tips
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Bus SafetyStay alert at bus stops during late evening hours.
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Driving FocusThe I-5/I-405 interchange is complex; stay in your lane.
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EmergencyKeep your phone charged for navigation and transit apps.
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Pedestrian SafetyUse crosswalks when walking to and from transit hubs.
People Also Ask
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Is there a train to SeaTac?No, the light rail starts at the airport, but doesn't reach Tacoma.
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How much is an Uber?Usually between $50 and $80 depending on demand.
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Does the 574 bus run 24/7?No, check the Sound Transit schedule for late-night gaps.
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Is I-5 busy?Yes, it is one of the busiest highways in Washington.
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Where do I board in Tacoma?Tacoma Dome Station is the primary transit hub.
Quick Info
- From Tacoma, Washington, United States
- To SeaTac, Washington, United States
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Modes
Best Time to Travel
Mid-day, between 10 AM and 2 PM, to avoid peak congestion.
Things to Do in SeaTac
1
SeaTac Airport Observation Area
Watch planes land and take off from a dedicated viewing park.
2
Angle Lake Park
A local park with a swimming beach and fishing pier near the airport.
3
Tacoma Dome
A major venue for concerts and sports located at the start of your route.
4
Museum of Glass
Located in downtown Tacoma, showcasing incredible glass art installations.
Tags
Tacoma to SeaTac
SeaTac airport transport
Sound Transit 574
I-5 North
Tacoma to airport
Washington travel
SeaTac commute
Tacoma transit
