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What 21-month 0% intro APR balance transfer credit cards are out there?

Take down high-interest debt over several months.

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A card that offers a 0% intro APR for 21 months can save you big on interest if you’re struggling to pay off credit card debt. But what cards are out there that offer no interest for 21 months?

Your options are limited, but there are still a range of cards that come up just short of 21 months that might save you hundreds of dollars.

Do any cards offer a 0% intro balance transfer APR for 21 months?

The Citi Simplicity® Card offers an intro APR on balance transfers of 0% for 21 months following your account opening, reverting to a variable APR of 14.74% to 24.74% after that. It’s not the only long intro period available though.

Our pick for a balance transfer intro of 21 months
Citi Simplicity® Card

Compare long 0% intro APR balance transfer credit cards

Name Product Amount saved Balance transfer APR Balance transfer fee Recommended minimum credit score Filter values
Citi Simplicity® Card
0% intro for the first 21 months (then 14.74% to 24.74% variable)
$5 or 5% of the transaction, whichever is greater
With an intro APR of 21 months, this card has one of the longest balance transfer offers on the market. Plus, no late fees and no annual fee.
Citi® Diamond Preferred® Card
0% intro for the first 21 months (then 13.74% to 23.74% variable)
$5 or 5% of the transaction, whichever is greater
A market-leading balance transfer intro APR of 21 months and 12 months on purchases. Plus Citi Entertainment℠ for deals on dining and going out.
Citi® Double Cash Card
0% intro for the first 18 months (then 13.99% to 23.99% variable)
$5 or 3% of the transaction, whichever is greater
This one of the most valuable flat cashback cards. It comes with 2% cash back (1% when you buy plus 1% when you pay) and 18 months months to pay off transfers.
Citi Rewards+℠ Card
0% intro for the first 15 months (then 13.49% to 23.49% variable)
$5 or 3% of the transaction, whichever is greater
Earn rewards and enjoy a long intro APR period on purchases and balance transfers.
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Making payments on a balance transfer credit card

Even if a balance transfer credit card offers a 0% intro APR, you’ll still need to pay at least the minimum amount listed on your statement by the due date. To pay off your debt before the introductory period ends, you’ll need to pay more than the minimum amount each month.

Do 24-month balance transfer credit cards exist?

In the US, you’d be hard-pressed to find a balance transfer card that offers a 0% intro APR for longer than 21 months.

Typically balance transfer offers range from six to 21 months. You can save hundreds of dollars in interest when you make timely payments.

How to compare balance transfer credit cards

Consider these details when comparing different balance transfer credit cards, including ones with 21-month intro periods:

  • Promotional balance transfer rates and fees.

    Aside from the several-month intro APR, you’ll generally also pay a one-off balance transfer fee. Usually, these range from 3% to 5% of your total transfer.

    If the introductory interest rate is not 0% or there’s a balance transfer fee, you’ll need to consider the cost compared to other long-term balance transfer options.

  • Annual fee.

    Some balance transfer credit cards charge an annual fee, but it may be waived for the first year. Either way, make sure that the annual fee is affordable based on your debt, repayments and the other features of the card.

  • Standard interest rate.

    After the introductory period, any remaining balance from your transfer is charged interest at the revert rate for that card. Any new purchases are also charged interest at the card’s purchase rate, and can affect how long it takes to pay off your balance transfer.

What is a 21-month balance transfer credit card?

You can move a balance from one or more existing credit cards to a new card with a long introductory 0% APR when you use a 21-month balance transfer card.

At the end of the introductory period, any unpaid debt from the balance transfer is charged interest at the standard — or revert rate — for that card, which can be upwards of 27%.

Getting a card with an introductory 0% APR for 21 months could help you pay off the entirety of a large debt without garnering more interest. Only your balance transfer debt is eligible for the introductory APR unless otherwise specified, and any new purchases you make will be charged the standard rate.

Do I need a long-term balance transfer credit card?

With a small enough debt, you may not need a 21-month balance transfer credit card. 18, 15 or even 12 months may be enough — possibly even more than enough.

Use our credit card repayment calculator to figure out how long you need to pay off your debt and how much you could save.

Just enter the balance and APR information for your current credit cards, and the intro period and standard APR of the card you’d like to transfer to. If you don’t know which credit card you want to transfer to yet, we’ve provided a few sample values.

Card #1

Card that you are transferring to:

Disclaimer: While every effort has been made to ensure the accuracy of this calculator, the results should be used as indication only. Certain assumptions have been made around the repayments made. This calculator is neither a quote nor a prequalification for a credit card.

Compare balance transfer credit cards with shorter intro periods

You’ve crunched the numbers and can pay down your debt faster than you thought, which means you may be able to get more out of your balance transfer card. A 12, 15 or 18-month balance transfer card could potentially offer better rewards and lower balance transfer fees.

To help illustrate the differences, here are three balance transfer credit cards that offer different introductory periods.

18 months: HSBC Gold Mastercard® credit card

HSBC Gold Mastercard® credit card

  • 0% intro APR on purchases and balance transfers for 18 months from account opening when made within 60 days from account opening, then 12.99% – 22.99% variable.
  • Balance transfer fee is $10 or 4% of the transfer, whichever is greater.
  • Extended warranty, purchase insurance and price protection benefits.

15 months: Amex EveryDay® Credit Card

Please note: All information about Amex EveryDay® Credit Card has been collected independently by Finder and this card is not available through this site.
Amex EveryDay® Credit Card

  • 0% intro APR on purchases and balance transfers for 15 months from account opening when made within 60 days from account opening, then 12.99% – 23.99% variable.
  • $0 balance transfer fee.
  • Earn 2x points at US supermarkets on up to $6,000 per year in purchases, then 1x points after that and on all other purchases.

12 months: PenFed Promise Visa® Card

PenFed Promise Visa® Card

  • 4.99% intro APR on balance transfers for 12 months from account opening when made before September 30, 2019, then 12.49% – 17.99% variable.
  • $0 balance transfer fee.
  • Low ongoing purchase APR and no fees or penalty APR.

Bottom line

You can conquer your debt, and a 21-month no-interest balance transfer card might help you. Just be sure to budget and pay down your debt within the introductory period. Otherwise, revert rates can catch up to you.

For smaller debts, it may make more sense to aim for a card with a low balance transfer fee. It may not have as long of an intro APR, or as good of an intro rate, but it could end up being more cost effective. If you still aren’t sure which card is best for you, compare other balance transfer credit cards to find the best option for your financial needs.

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