Target and Amazon both have Game Pass Ultimate subscriptions on sale for $31.49 for 3 months and $10.49 for 1 month:
Game Pass Ultimate at Amazon
Game Pass Ultimate at Target
PC Game Pass is also on sale for $20.99 for 3 months:
PC Game Pass at Amazon
PC Game Pass at Target
Game Pass Console is also on sale for $20.99 for 3 months or $41.99 for 6 months, but only available at Target as of now:
Game Pass Console at Target