What is a balance transfer credit card?

A balance transfer card lets you move existing credit card debt to a new card with a 0% APR introductory period — typically 12 to 21 months. During that period you pay no interest, so 100% of your payment reduces principal. Most cards charge a balance transfer fee of 3%-5% of the amount transferred.

Is a balance transfer worth the fee?

Usually yes. If you have $5,000 at 22% APR, you pay about $1,100/year in interest. A balance transfer to a 0% card with a 3% fee costs $150 up front. If you pay off the balance in 15 months, you save $950+ compared to staying on the original card. The math works unless the balance is very small or you can't pay it off before the 0% period ends.

What credit score do you need for a balance transfer card?

Most balance transfer cards require good to excellent credit — typically 670+ FICO. The Citi Diamond Preferred and Wells Fargo Reflect generally require a 700+ score. If your score is below 670, focus on paying down existing debt before applying, as a hard inquiry with a denial can temporarily lower your score further.

What happens when the 0% APR period ends?

The remaining balance starts accruing interest at the card's regular APR, typically 19%-29% depending on your creditworthiness. Before the 0% period ends, either pay off the remaining balance, transfer it to another 0% card, or refinance through a personal loan or credit union. Never let interest resume on a balance transfer card uninentionally.

Best Balance Transfer Credit Cards of 2026: 0% APR for Up to 21 Months

Best Balance Transfer Cards — Quick Comparison

Card	0% APR Period	Balance Transfer Fee	Annual Fee	Regular APR
Citi Diamond Preferred	21 months	3% or $5, whichever is greater	$0	17.49%-28.24%
Wells Fargo Reflect	21 months	5% ($5 minimum)	$0	17.49%-29.74%
Citi Double Cash	18 months	3% (intro), then 5%	$0	18.49%-28.49%
Chase Freedom Unlimited	15 months	5% ($5 minimum)	$0	19.74%-28.49%
Chase Freedom Flex	15 months	5% ($5 minimum)	$0	19.74%-28.49%
Amex Blue Cash Preferred	12 months	N/A (no BT promo)	$95	18.49%-29.49%

Best Balance Transfer Card: Citi Diamond Preferred

Annual fee: $0 | 0% APR: 21 months on balance transfers | BT fee: 3% or $5, whichever is greater (must transfer within 4 months of opening)

The Citi Diamond Preferred ties with the Wells Fargo Reflect for the longest 0% balance transfer period available — 21 months — but charges a lower 3% balance transfer fee vs. 5% on the Reflect.

How much you save on a $5,000 balance moved at 22% APR:

Scenario	Interest Costs
Keep current card, pay $300/month	~$1,170 interest over 18 months
Transfer to Diamond Preferred (3% fee, $150) + pay $300/month	$0 interest + $150 fee = $150 total cost
Savings	~$1,020

Who this is for: People with a single large balance who want the maximum payoff window and the lowest transfer fee.

Limitation: No rewards earning. This is a payoff tool, not a keeper card.

Best for purchases + balance transfers: Wells Fargo Reflect

Annual fee: $0 | 0% APR: 21 months on both purchases AND balance transfers | BT fee: 5% ($5 minimum)

The Wells Fargo Reflect is the only card that matches 21 months on both purchases and balance transfers. If you’re planning a large purchase while also carrying a balance, the Reflect is uniquely positioned.

Reflect vs. Diamond Preferred:

Feature	Citi Diamond Preferred	Wells Fargo Reflect
0% BT period	21 months	21 months
0% purchase period	12 months	21 months
BT fee	3%	5%
Best for	Pure debt payoff	Payoff + large purchase

Cost difference: On a $5,000 balance, the 5% fee = $250 vs. 3% ($150). The Reflect costs $100 more in fees but covers purchases at 0% for 21 months.

Cell phone protection: $600/claim (max 3 claims/year, $25 deductible) when you pay your phone bill with the Reflect — adds value as a long-term keeper card.

Best Balance Transfer + Rewards Card: Citi Double Cash

Annual fee: $0 | 0% APR: 18 months on balance transfers | BT fee: 3% for the first 4 months, then 5% | Ongoing rewards: 2% everywhere

After the 0% period ends, the Citi Double Cash becomes the best flat-rate cash back card available — 2% on every purchase with no annual fee. This makes it a useful keeper even after the balance is paid off.

Best strategy: Transfer a balance, pay it down aggressively over 18 months, and then use the card for ongoing 2% cash back.

Best Balance Transfer + Rewards Ecosystem: Chase Freedom Cards

Annual fee: $0 | 0% APR: 15 months | BT fee: 5% ($5 minimum)

Both the Chase Freedom Unlimited (1.5% + 3% dining) and Chase Freedom Flex (5% rotating) offer 15-month 0% balance transfer periods. Shorter than the Citi/Wells options, but these cards earn well long-term through the Chase Ultimate Rewards ecosystem.

When to choose a 15-month card over 21 months:

Your balance is small enough to pay off in 15 months
You want a rewards card as a long-term keeper (CFU/CFF earn well ongoing)
You already have Chase Sapphire and want to pool points

Balance Transfer Payoff Calculator

Balance	Monthly Payment	Months Needed	Works for 21mo?	Works for 18mo?	Works for 15mo?
$5,000	$250	20 months	✅	⚠️ Need $279/mo	❌ Need $334/mo
$5,000	$300	17 months	✅	✅	❌ Need $334/mo
$5,000	$400	13 months	✅	✅	✅
$10,000	$500	20 months	✅	❌ Need $556/mo	❌ Need $667/mo
$10,000	$700	15 months	✅	✅	✅

Use this to determine which window you realistically need.

Step-by-Step: How to Do a Balance Transfer

Step 1: Check your credit score Good to excellent credit (670+) required. Pull a free report at AnnualCreditReport.com.

Step 2: Calculate the fee 3% fee on $5,000 = $150. 5% fee on $5,000 = $250. Add this to your balance.

Step 3: Apply and get approved Apply online. Approval typically includes your credit limit before completing the transfer request.

Step 4: Initiate the transfer Give the new card issuer your old account number and balance to transfer. Allow 7-14 business days.

Step 5: Keep paying the old card Continue paying the minimum on the original card until the transfer clears. Missing a payment will incur fees and may hurt your credit score.

Step 6: Set a payoff target Calculate the monthly payment required to pay off before the 0% window closes: $$\text{Min payment} = \frac{\text{Balance} + \text{Transfer Fee}}{\text{0% months}}$$

Step 7: Don’t use the card for purchases Payments apply to the lowest-APR balance first. New purchases may not receive 0% APR and can create a complex balance with interest accruing.

Balance Transfer Red Flags to Avoid

Forgetting the end date: Set a calendar reminder 2 months before the 0% period expires
Only paying minimums: Minimum payments won’t clear a $5,000+ balance in 15-21 months. Do the math.
Late payments: A single 30-day late payment can trigger a penalty APR (up to 29.99%) and forfeit the promotional rate
Assuming the full limit: Credit limit may be lower than your transfer amount; apply for more than needed