Train from Tacoma to Seattle | Cheapest Route

Sounder S Line is the cheapest Tacoma-Seattle train: $5.25 for adults and about 62 minutes on weekdays.

Some links on this page are affiliate links. If you book through them, we may earn a small commission at no extra cost to you.

For the train from Tacoma to Seattle, the easiest answer is Sounder S Line if you are traveling on a weekday and Amtrak Cascades if you need a reserved seat, a weekend trip, or a wider departure window. Both put you at Seattle King Street Station, next to Pioneer Square, the stadiums, and the Chinatown-International District.

The catch: Sounder is a commuter train, not an all-day tourist train. Northbound Sounder service is strongest in the weekday morning rush, with limited later trips and no normal weekend service unless Sound Transit adds event trains. Amtrak costs more on many dates, but it runs daily and gives you a reserved intercity ticket.

For live rail and bus times between the two city centers, compare the route here:

Tacoma To Seattle Train Options: What Runs When

Two rail operators cover the Tacoma-to-Seattle corridor: Sound Transit runs Sounder S Line commuter trains, and Amtrak runs intercity trains. Sounder is the low-cost weekday choice; Amtrak is the flexible daily choice.

Sounder S Line runs from Tacoma Dome Station to Seattle King Street Station in about 62 minutes. The current Sound Transit schedule shows Tacoma Dome departures to Seattle from early morning through late afternoon on weekdays, with the last listed northbound Tacoma Dome departure at 5:15 p.m.

Amtrak Cascades and the northbound Coast Starlight use Tacoma and Seattle on the same broad rail corridor. The Amtrak Cascades schedule effective June 8, 2026 lists several daily northbound departures from Tacoma to Seattle, with many trips taking about 49 to 52 minutes and one evening long-distance train taking about 68 minutes.

How Much Does The Tacoma-Seattle Train Cost?

Sounder S Line costs $5.25 for an adult one-way trip from Tacoma to Seattle, per the current Sound Transit Sounder fare table. Reduced Sounder fares are $1 for ORCA LIFT, senior, and disabled riders, and youth 18 and under ride free.

Sounder fares are distance-based, so Tacoma-to-Seattle costs more than a short hop between two closer Sounder stations. Pay before boarding with ORCA, contactless card, a ticket machine, or the Transit GO Ticket app; ORCA riders should tap on before boarding and tap off after arriving so the fare calculates correctly.

Amtrak fares are not fixed like Sounder fares. Amtrak prices change by date, demand, train, and seat type, so a short Tacoma-Seattle ride can still price higher than the commuter train. The value of Amtrak is the daily schedule and reserved seat, not the lowest fare.

Sounder S Line For Weekday Commuters

Sounder S Line is the right pick for a weekday day trip, office commute, stadium event with added service, or any traveler who wants the cheapest rail fare. The train is simple: board at Tacoma Dome Station and ride straight to King Street Station.

Sounder works well when your schedule matches the commuter pattern. Morning northbound trains fit a Tacoma-to-Seattle workday, and afternoon or early evening trains can work for a same-day return if you check the southbound schedule first.

• Use Sounder if price matters most: $5.25 is hard to beat for a city-to-city rail trip.
• Use Sounder if you are already near Tacoma Dome: the station has parking, bus links, and T Line access from downtown Tacoma.
• Avoid Sounder for late nights: regular service is not built around concerts, late dinners, or weekend wandering unless an event train is posted.

Station tip: Tacoma Dome Station parking is useful, but special Tacoma Dome events can change parking rules and crowd the area.

Amtrak Cascades For Reserved Seats

Amtrak Cascades is the easier train when you need a weekend ride, a midday departure, or a reserved seat. Amtrak is usually not the cheapest way between Tacoma and Seattle, but it is often the cleaner fit for travelers who are not following a commute schedule.

The northbound Amtrak schedule gives Tacoma several daily links to Seattle. Many listed Tacoma-to-Seattle Amtrak trips are under an hour, which can beat Sounder on ride time, but the station routine is different: Amtrak passengers should arrive earlier, keep the ticket handy, and board the assigned train rather than treating it like local transit.

Use Amtrak when you are already booking a longer rail trip, connecting north from Portland or Eugene, or carrying luggage and wanting one reserved seat into downtown Seattle. Use Sounder when the day and time line up and the lowest fare matters more than reservation control.

Tacoma And Seattle Stations

Tacoma rail trips to Seattle start in the Tacoma Dome station area and end at King Street Station. Sounder uses Tacoma Dome Station, while Amtrak uses Tacoma station in the same transit district near Freighthouse Square.

King Street Station sits at the south edge of downtown Seattle. From there, Pioneer Square is a short walk, Lumen Field and T-Mobile Park are close, and Link light rail at International District/Chinatown Station connects toward Capitol Hill, the University District, Sea-Tac Airport, and Northgate.

Plan the station-to-door part before you buy the ticket. A $5.25 Sounder ride can lose its advantage if you pay heavily for a ride to Tacoma Dome or park in Seattle all day after skipping the train.

Where To Stay Near King Street Station

Seattle hotels near King Street Station make sense if your Tacoma train is the first leg of a longer Seattle stay. Pioneer Square, the waterfront edge, and downtown put you close to the station without adding a long final transfer.

Compare Seattle hotel locations on a map before you commit, because a cheaper room far north or across the lake can add time and ride costs back into the trip.

Which Tacoma-Seattle Train Should You Take?

Choose Sounder S Line for the cheapest weekday rail trip and choose Amtrak when you need daily service, a reserved seat, or a weekend option. The right answer is less about ride time and more about whether Sounder’s commuter schedule fits your day.

The cleanest plan is simple: take Sounder for a weekday Tacoma-to-Seattle trip when the schedule matches, pay $5.25, and get off at King Street Station. Take Amtrak when the calendar or departure time matters more than saving a few dollars.

Before leaving, check three things in order: Tacoma departure station, northbound departure time, and the last train or bus you can use for the return. That one-minute check prevents the most common mistake on this route: assuming Sounder runs all day, every day.