How do i contact the mariners customer service department? If you are still unable to find the answer to your questions, please contact our customer service department at (206) 346-4001 or email us at [email protected]. How much do seattle mariners tickets cost? Seattle Mariners tickets for this season can generally be found in a price range between $5.00 and $3852.00, while the average price of 2021 Seattle Mariners tickets is around $216.94. The Seattle Mariners Vs. Arizona Diamondbacks game at T-Mobile Park, 1516 First Avenue South, Seattle, WA is next up for the Seattle Mariners.How much are mariners tickets at t mobile park? Premium seating between the bases on the 100 level can easily exceed $100 per ticket for many home games at T-Mobile Park. Seattle Mariners tickets for this season can generally be found in a price range between $5.00 and $3852.00, while the average price of 2021 Seattle Mariners tickets is around $216.94. The Seattle Mariners Vs.Can i exchange unused tickets to past mariners games? There will be no exchange for unused tickets to past games. If you have questions, please call (206) 346-4001 or visit the Mariners Box Office for more information. Children two years of age and under do not require a ticket to attend a game, provided they sit on the lap of an accompanying adult.