Balance transfer credit cards in Canada: how the low promo rate really works

A balance transfer moves debt from one credit card to another that offers a lower promotional interest rate, so more of each payment goes to the principal instead of interest. In Canada these promos are real, but they come with a transfer fee (commonly 1 to 3 percent), a fixed time window, and a regular rate waiting on the other side. This guide explains how the low promo rate actually works, where the costs hide, and how to decide if a transfer is worth it.

Nothing here is financial advice. Always confirm the rate, fee, and terms on the issuer's official page before you apply.

What a balance transfer actually does

A balance transfer is when you move the balance from an old credit card to a new one, where the new card generally has a lower rate that helps you save on interest. According to the Financial Consumer Agency of Canada (FCAC), you still pay interest on a balance transfer, and you will usually have to pay a fee to do it.

The appeal is the promotional rate. Many Canadian cards advertise a low or 0 percent introductory rate on transferred balances for a set number of months. During that window, almost all of your payment chips away at the actual debt instead of feeding interest. If you use the breathing room to pay the balance down aggressively, you can save real money.

The promo APR window

The promotional rate is temporary. It lasts a fixed number of statement periods, then ends. Common windows in Canada run from about 6 to 12 months, and the clock usually starts when the transfer is processed, not when you eventually decide to make a large payment.

Two real examples show the range:

• The MBNA True Line Mastercard advertises a 0 percent promotional annual interest rate for 12 months on balance transfers completed within 90 days of account opening.
• The Scotiabank Value Visa advertises a 0.99 percent promotional rate on balance transfers for the first 9 months.

Notice the 90-day completion window on the MBNA offer. Many promos require you to request the transfer within a set period after the account opens, or you lose the promo rate. Read the timing rules carefully.

The transfer fee: 1 to 3 percent

FCAC notes that a balance transfer fee is usually a percentage of the amount you transfer. In practice, Canadian issuers commonly charge 1 to 3 percent of the transferred amount, often with a minimum dollar fee.

For the two cards above:

• MBNA charges a transaction fee of 3.00 percent of each balance transfer, with a minimum fee of $3.50.
• Scotiabank charges 2 percent of the amount transferred, with a minimum fee of $5.00.

This fee is added to your balance up front, so a "0 percent" offer is not actually free. You need to weigh the one-time fee against the interest you would otherwise pay.

Worked example: does the fee beat the interest?

Say you owe $5,000 on a card at 20.99 percent and you can pay $450 a month. Compare staying put against moving to a 0 percent promo for 12 months that charges a 3 percent transfer fee.

	Stay on current card	Transfer to 0% promo (3% fee)
Starting balance	$5,000	$5,000 + $150 fee = $5,150
Promo rate	n/a	0% for 12 months
Regular rate	20.99%	applies only after promo ends
Monthly payment	$450	$450
Interest in 12 months	roughly $490	$0 during promo
Balance after 12 months	roughly $90	roughly $0 paid in full

In this case the $150 fee is far smaller than the roughly $490 of interest avoided, and the higher monthly payment clears the debt inside the promo window. The math flips against you if the fee is large, the promo is short, or you cannot pay the balance off before the rate resets. The exact interest depends on your card's daily calculation, covered in our guide to how credit card interest works.

What happens when the promo ends

When the promotional period expires, any balance still owing starts accruing interest at the card's regular rate. That rate is much higher than the promo rate. Low interest cards often revert to somewhere around 13 to 18 percent, while some transfer cards revert to a standard purchase rate near 20 percent. The whole strategy works only if you clear the transferred balance, or most of it, before the window closes.

Build a payoff plan the day the transfer lands: divide the balance by the number of promo months, and treat that as your minimum monthly payment to finish on time.

Two traps people miss

Purchases may not get the promo rate. The low rate normally applies only to the transferred balance. New purchases and cash advances are usually charged at the card's regular rates, and FCAC notes the grace period does not apply to balance transfers. If you keep spending on the card, that new spending can rack up full interest while you are focused on the transferred debt. Many people treat a balance transfer card as a debt-payoff tool only and spend elsewhere.

You usually cannot transfer between same-issuer cards. Issuers generally do not let you move a balance between two of their own cards. That means you typically need a card from a different bank than the one holding your current debt. Check the terms before you assume the transfer will go through.

Is a balance transfer right for you?

A balance transfer tends to help when you have a clear payoff plan and the math works. It is worth a closer look if:

• You carry a balance at a high rate (often near 20 percent) and can realistically pay it down within the promo window.
• The transfer fee is smaller than the interest you would otherwise pay.
• You can stop adding new purchases to the card while you clear the balance.

If you cannot pay it off before the promo ends, a plain low-interest card that keeps a low rate permanently may serve you better than a short promo. And if interest is your main concern, paying the full statement balance every month on a no-fee card avoids the problem entirely. FCAC's guide to paying off your credit card and your own annual-fee math round out the picture.

How to compare offers

When you shop for a transfer card, line up four numbers: the promo rate, the promo length in months, the transfer fee percentage (and its minimum), and the regular rate it reverts to. A longer 0.99 percent window can beat a short 0 percent window once you account for how much you can actually pay each month. Use our comparison tool to put two cards side by side, or browse the full card list to see current Canadian offers with links to each issuer's official terms.

Whatever you choose, verify the exact promo rate, fee, and window on the issuer's own page before applying, because these offers change often and can vary by application channel.