Your US credit card will work in most Canadian stores, restaurants, and ATMs, but you'll pay foreign transaction fees and get a less favorable exchange rate than you'd get at home
A US-issued Visa or Mastercard works in Canada the same way it works in the US — the merchant's terminal reads it, the transaction routes through your card network, and the charge appears on your statement. The catch is that you're not paying in your home currency. Your bank converts Canadian dollars to US dollars, and they take a cut on that conversion. Most US cards charge between 1% and 3% on top of the actual exchange rate, called a foreign transaction fee. Some cards charge nothing.
American Express and Discover cards work in Canada too, but fewer merchants accept them — Visa and Mastercard are the safer choice. Debit cards issued by US banks work at Canadian ATMs, but again, you'll pay a fee (usually $2 to $5 per withdrawal) plus an unfavorable exchange rate.
Key Takeaways
- Visa and Mastercard issued by US banks work at most Canadian merchants, but your bank charges a foreign transaction fee (typically 1% to 3%) on top of the exchange rate.
- You can withdraw Canadian dollars from ATMs using a US debit card, but expect a $2 to $5 fee per withdrawal plus an unfavorable exchange rate conversion.
- Some US credit cards have no foreign transaction fee — check your card's terms before you travel to see whether yours is one of them.
- Chip-and-PIN technology is standard in Canada, but most US cards still use signature, so you may be asked to sign or enter a PIN you don't have.
- Notify your card issuer before traveling so they don't block transactions as fraud, and keep your receipt to verify the exchange rate charged.
How foreign transaction fees work
When you swipe a US card in Canada, your bank doesn't convert the charge when ready. The merchant's bank (in Canada) sends the transaction to your card network (Visa, Mastercard, etc.), which converts Canadian dollars to US dollars at the current exchange rate. Then your bank adds its own fee — usually 1% to 3% — on top of that conversion.
Example: You buy something for 100 Canadian dollars. The exchange rate that day is 1 CAD = 0.74 USD. Your bank converts it to $74 USD. Then it adds a 2% foreign transaction fee ($1.48), and you're charged $75.48 USD on your statement. You paid more than the actual exchange rate because of the fee.
Some US credit cards — often travel rewards cards or premium cards with annual fees — waive the foreign transaction fee entirely. If your card does, you'll pay only the exchange rate conversion, with no extra markup. Check your card's terms or call the number on the back before you travel.
ATM withdrawals and cash advances
You can withdraw Canadian dollars from any ATM in Canada using a US debit card. The ATM will show you the exchange rate it's offering and ask you to confirm before the transaction completes. Most US banks charge a foreign ATM fee ($2 to $5) on top of the exchange rate conversion, so a $100 CAD withdrawal might cost you $76 USD plus a $3 fee.
Credit card cash advances in Canada are possible but expensive. Your credit card issuer will charge a cash advance fee (usually 3% to 5% of the amount) plus a higher interest rate than regular purchases — often 20% or more annually. Avoid this unless you have no other option.
The better strategy is to withdraw cash from an ATM before you travel, or to use your debit card at ATMs in Canada and accept the fee as the cost of having cash on hand. Paying with your credit card directly at merchants avoids the ATM fee but still costs you the foreign transaction fee.
Chip-and-PIN versus signature
Canada switched to chip-and-PIN technology years ago. Most Canadian debit and credit cards have a chip and require a PIN to complete a transaction. Most US credit cards still use chip-and-signature — the card has a chip, but you sign a receipt instead of entering a PIN.
When you use a US chip-and-signature card at a Canadian merchant, the terminal may ask you to enter a PIN. If your card doesn't have a PIN, you'll be asked to sign instead. Some merchants will accept the signature; others may decline the transaction or ask for additional ID. This is rare but can happen, especially at unattended terminals like gas pumps or parking meters.
If you're concerned, contact your card issuer before traveling and ask whether your card can be set to signature-only or whether you can request a PIN. Some issuers will set one up for travel.
What to do before and during your trip
Call your card issuer at least a few days before you travel and tell them you'll be in Canada. This prevents them from blocking your transactions as potential fraud. Give them the dates you'll be there and the cities you're visiting if possible.
Keep your receipts from every transaction. The exchange rate charged by your bank may not match the rate shown on the merchant's receipt, and you'll want to verify it when your statement arrives. If you notice an error or an unusually high fee, you can dispute it with your card issuer.
Check whether your card charges a foreign transaction fee, and if it does, consider whether it's worth using. If the fee is 3% and you're spending $1,000 CAD, that's $30 USD in fees alone. In that case, exchanging some US dollars for Canadian dollars at a bank before you travel might be cheaper.
Alternatives to using your US credit card
You can exchange US dollars for Canadian dollars at your bank before you travel. Most banks offer this service, though the exchange rate they give you is usually 1% to 2% worse than the mid-market rate. You'll pay a fee or a markup, but you'll know the cost upfront and won't be surprised by charges on your statement later.
Some travelers use a no-foreign-transaction-fee credit card if they have one. These are often travel rewards cards or premium cards with annual fees. If you don't have one and travel to Canada frequently, it might be worth opening one before your next trip.
Prepaid travel cards — cards you load with US dollars before you travel and that convert to Canadian dollars when you use them — are another option. They typically charge a fee to load the card and a fee per transaction, so compare the total cost to using your regular credit card.
Frequently Asked Questions
Will my US credit card work at Canadian gas pumps and parking meters?
Usually yes, but some unattended terminals may decline a US chip-and-signature card if they expect a PIN. If the pump or meter declines your card, go inside the gas station or to a staffed parking booth and pay there instead. Staffed locations are more likely to accept signature.
Can I use my US debit card to pay for things in Canadian stores?
Yes, most Canadian merchants accept US debit cards. You'll be asked to enter your PIN. The transaction will be converted to US dollars and charged to your account, with a foreign transaction fee added by your bank if you have one.
What's the difference between the exchange rate on my receipt and the rate on my credit card statement?
The merchant's receipt shows the rate the merchant's bank offered. Your credit card statement shows the rate your bank used, which may be different. Your bank also adds its foreign transaction fee. This is why the final charge on your statement is often higher than the amount on the receipt.
Do I need to notify my bank before traveling to Canada?
Yes. Call your card issuer before you leave and tell them you'll be in Canada. This prevents them from flagging your transactions as fraud and blocking your card. It takes five minutes and can save you a lot of trouble.
Is it cheaper to exchange money before I travel or use my credit card in Canada?
It depends on the fee. If your credit card charges 3% foreign transaction fee and your bank charges 2% to exchange cash, the cash exchange is cheaper. If your card has no foreign transaction fee, using the card is cheaper. Calculate both options before you leave.