Good News! Starting January 7, 2018,  you can save even more with PRESTO when you combine your GO or UP trip with TTC; adults can save $1.50, students and seniors can save $0.55. This discount is just another way PRESTO makes it easier to take transit. The discount will be applied automatically as you travel and all you’ll need to do is tap your card.

This discount is available exclusively for PRESTO users who pay as they go with their card balance. The discount is not available if you use cash, paper tickets, tokens, a Metropass or a monthly pass on your PRESTO card. Adults, post-secondary students, seniors are eligible for this discount.
Travelling between TTC and GO

From TTC to your final destination on GO Transit:

    -- Tap on to TTC and the full regular fare will be deducted from your PRESTO card.
    -- When you transfer and tap on GO, your fare will be discounted by $1.50 if you’re an adult and $0.55 if you’re a student or senior.
    -- If you don’t have a default GO trip set on your card, be sure to tap off of GO so you’ll get the discount when you tap off. Learn about setting a default for easier travel.
    -- Once you tap on TTC you have two hours to begin your trip on GO to get the discount.

From GO Transit to your final destination on TTC:

    -- Tap on to GO and your fare will be deducted from your PRESTO card.
    -- When you tap on TTC, you’ll pay $1.50 whether you’re an adult, student or senior.
    -- If you don’t have a default GO trip set on your card, be sure to tap off of GO at the end of your trip so you’ll get the discount when you tap on TTC. Learn about setting a default for easier travel.
    -- Once you tap on GO you have three hours to begin your TTC trip to get the discount.

Travelling between TTC and UP

From TTC to your destination on UP Express (trips to Pearson only):

    -- Tap on to TTC and the regular fare will be deducted from your PRESTO card.
    -- When you transfer to UP, be sure to tap on a silver PRESTO device to have your fare deducted.
    -- When you tap off of UP, your fare will be discounted by $1.50 if you’re an adult or $0.55 if you’re a student or senior.
    -- Once you tap on TTC you have two hours to begin your trip on UP to get the discount.

From UP Express Pearson Station to Union Station TTC:

    -- Tap on and off of the silver PRESTO devices and the regular fare will be deducted from your PRESTO card.
    -- Once you tap on UP you have one hour to begin your trip on TTC to get the discount and pay only $1.50 whether you’re an adult, student or senior.

More Information please click here: https://www.prestocard.ca/en/about/discounted-double-fare