Baseball
American League Championship Series: Seattle Mariners vs. TBD - Home Game 4 (Date: TBD - If Necessary) Tickets - T-Mobile Park - October 20, 2026
American League Championship Series: Seattle Mariners vs. TBD - Home Game 4 (Date: TBD - If Necessary) at T-Mobile Park in Seattle, Washington on Tue, Oct 20, 2026.
Prices below are per ticket and set by professional resellers, so they can land above or below face value. The booking fee is already included in the listing price. A delivery charge and any applicable tax are added at checkout, so check the order total before you pay. Any "from" figure elsewhere on this page is an estimated starting point drawn from the catalog feed, not an amount you can necessarily buy at. The seat map is what shows real, buyable prices.
Choose your seats at T-Mobile Park
Explore the T-Mobile Park seating chart below section by section and choose where you want to be for American League Championship Series: Seattle Mariners vs. TBD - Home Game 4 (Date: TBD - If Necessary). Every listing comes from an independent seller who sets their own price, so two seats in the same section can be priced very differently and you will occasionally see an unusually high asking price. Set your budget with the price filter, and weigh a lower-level seat against a better-value one higher up.
What American League Championship Series: Seattle Mariners vs. TBD - Home Game 4 (Date: TBD - If Necessary) tickets cost at T-Mobile Park on October 20, 2026
Every American League Championship Series: Seattle Mariners vs. TBD - Home Game 4 (Date: TBD - If Necessary) listing for October 20, 2026 is priced by its seller, so the range shifts through the week. Where you sit drives most of the difference, and demand in Seattle, Washington moves the whole range. Open the seat map below to see live prices for every section. A booking fee is already in each listing price; a delivery charge and any applicable tax are added at checkout.
Prices are set by professional resellers and can be above or below face value. How buying on StubOrder works
American League Championship Series: Seattle Mariners vs. TBD - Home Game 4 (Date: TBD - If Necessary) takes the stage at T-Mobile Park in Seattle, Washington, Tuesday, October 20, 2026. Browse the seat map to see which sections are open and how prices compare across the venue before you check out. The Tuesday lineup features Seattle Mariners, American League Championship Series, or MLB Postseason. Resale baseball prices are set by sellers and can land above or below face value, so they move with demand.
About American League Championship Series: Seattle Mariners vs. TBD - Home Game 4 (Date: TBD - If Necessary) at T-Mobile Park on October 20, 2026
Seattle Mariners, American League Championship Series, and MLB Postseason headline T-Mobile Park in Seattle, Washington on Tuesday, October 20, 2026, one of the baseball dates fans are searching for right now. With the show still 2 months out, you have time to weigh seats and prices as more listings post. Open the interactive seat map to see which sections are live and how seller-set prices compare across T-Mobile Park. Whether you want the front rows or a value seat higher up, the T-Mobile Park map weighs price against location for you, and each purchase is protected by our buyer guarantee.
Good to know before you buy
New to resale? See how buying on StubOrder works, including delivery, fees, and what happens if an event is rescheduled or canceled.
More Seattle Mariners tickets & schedule
Full Seattle Mariners schedule →Can't make the October 20 show, or want to compare cities? These are other upcoming Seattle Mariners dates on StubOrder. Compare venues and live prices before you buy.
Boston Red Sox vs. Seattle Mariners
Fenway Park, Boston, Massachusetts
From about $76.00View TicketsBoston Red Sox vs. Seattle Mariners
Fenway Park, Boston, Massachusetts
From about $25.00View TicketsBoston Red Sox vs. Seattle Mariners
Fenway Park, Boston, Massachusetts
From about $30.00View TicketsSeattle Mariners vs. Athletics
T-Mobile Park, Seattle, Washington
From about $13.00View TicketsSeattle Mariners vs. Athletics
T-Mobile Park, Seattle, Washington
From about $21.00View TicketsSeattle Mariners vs. Athletics
T-Mobile Park, Seattle, Washington
From about $25.00View Tickets
Also on in Seattle that night
All Seattle events →Other events around Seattle on Tuesday, October 20, 2026, in case you are planning the whole evening or the date does not suit.
Seattle Kraken vs. Detroit Red Wings
Climate Pledge Arena, Seattle, Washington
From about $81.00View TicketsCeltic Thunder
Federal Way Performing Arts & Events Center, Federal Way, Washington
From about $78.00View TicketsRise Against
Wamu Theater At Lumen Field Event Center, Seattle, Washington
From about $81.00View TicketsSlift
Neumos, Seattle, Washington
From about $51.00View TicketsFlower Face
Barboza at Neumos, Seattle, Washington
From about $41.00View TicketsBear Ghost
El Corazon, Seattle, Washington
From about $48.00View Tickets
More events at T-Mobile Park
T-Mobile Park schedule →Heading to Seattle, Washington? Here's what else is coming up at T-Mobile Park, with live prices and interactive seat maps for each date.
- From about $109.00View Tickets
- From about $13.00View Tickets
- From about $21.00View Tickets
- From about $25.00View Tickets
- From about $17.00View Tickets
- From about $13.00View Tickets
More Sports events in Washington
All Washington events →Open to other options near Seattle, Washington? These upcoming sports events in Washington are on sale now, with live seat maps and seller prices for each.
Tri-City Dust Devils vs. Vancouver Canadians
Gesa Stadium, Pasco, Washington
From about $8.00View TicketsSpokane Indians vs. Everett AquaSox
Avista Stadium, Spokane, Washington
From about $14.00View TicketsTri-City Dust Devils vs. Vancouver Canadians
Gesa Stadium, Pasco, Washington
From about $7.00View TicketsSpokane Indians vs. Everett AquaSox
Avista Stadium, Spokane, Washington
From about $14.00View TicketsHigh Limit Racing
Skagit Speedway, Burlington, Washington
From about $89.00View TicketsEllensburg Rodeo
Ellensburg Rodeo, Ellensburg, Washington
From about $29.00View Tickets
Frequently asked questions
Is StubOrder affiliated with T-Mobile Park?
No. StubOrder is an independent resale marketplace and is not affiliated with T-Mobile Park, Seattle Mariners, American League Championship Series, or MLB Postseason, or any box office.
Will my seats for American League Championship Series: Seattle Mariners vs. TBD - Home Game 4 (Date: TBD - If Necessary) be together?
Yes. Seats within a single listing are adjacent unless the listing notes say otherwise.
How much are American League Championship Series: Seattle Mariners vs. TBD - Home Game 4 (Date: TBD - If Necessary) tickets?
Live prices for American League Championship Series: Seattle Mariners vs. TBD - Home Game 4 (Date: TBD - If Necessary) at T-Mobile Park are shown in the interactive seat map above. Pick a section to see the tickets available now and their current prices, which are set by sellers and may be above or below face value.
How many American League Championship Series: Seattle Mariners vs. TBD - Home Game 4 (Date: TBD - If Necessary) tickets can I buy at once?
Each listing sets the quantities the seller allows, and the quantity menu offers only those options. Open a listing above to see its available quantities.
Where and when is American League Championship Series: Seattle Mariners vs. TBD - Home Game 4 (Date: TBD - If Necessary)?
American League Championship Series: Seattle Mariners vs. TBD - Home Game 4 (Date: TBD - If Necessary) takes place at T-Mobile Park in Seattle, Washington on Tuesday, October 20, 2026.
How are American League Championship Series: Seattle Mariners vs. TBD - Home Game 4 (Date: TBD - If Necessary) tickets delivered?
Delivery method varies by listing: most listings deliver electronically, by mobile transfer or instant download, and some are shipped as hard stock. The delivery type is shown on each listing before you buy, and a delivery charge is added at checkout.
