Yes, you can use Discover internationally, but not everywhere

Discover works in most countries, but not all. The card is accepted at roughly 190 countries and territories worldwide. However, acceptance is thinner outside the United States — you'll find Discover at major chains, airports, and tourist areas, but smaller local merchants often won't take it. Visa and Mastercard have wider networks abroad, so carrying a backup card is smart planning.

Before you leave, contact Discover to let them know you're traveling. This prevents them from blocking your card as fraud when charges appear from another country. You can call the number on the back of your card or use the Discover mobile app to notify them of your trip dates and destinations.

Key Takeaways

  • Discover is accepted in roughly 190 countries, but acceptance is less common than Visa or Mastercard, especially at small local businesses.
  • You should notify Discover before traveling so the card won't be blocked when you use it abroad.
  • Discover charges a foreign transaction fee of 1% on purchases made outside the United States, which is added to your bill.
  • ATM withdrawals abroad typically cost $2 per transaction plus a 1% foreign transaction fee, and the ATM operator may charge an additional fee.
  • Some Discover cards offer no foreign transaction fees — check your specific card's terms before you travel.

Foreign transaction fees and how they work

Most Discover cards charge a 1% foreign transaction fee on any purchase you make outside the United States. This fee is calculated on the purchase amount and added to your statement. So if you buy something for 100 euros and the exchange rate is 1.10 dollars per euro, you pay $110 plus $1.10 in foreign transaction fees — a total of $111.10.

Some Discover cards have no foreign transaction fee. These are typically premium cards with annual fees. Check your card's terms and conditions or call Discover to confirm whether your specific card charges this fee. If it does, you'll see the fee itemized on your monthly statement under the transaction.

The foreign transaction fee applies whether you're buying goods, paying for a hotel, or eating at a restaurant. It does not explore to purchases you make online from a U.S. merchant while you're abroad — only to transactions processed in a foreign currency or by a foreign merchant.

Using ATMs and cash withdrawals abroad

You can withdraw cash from ATMs using your Discover card in most countries. Discover charges $2 per withdrawal plus the standard 1% foreign transaction fee on the amount you withdraw. So if you take out 200 euros, Discover charges you $2 plus 1% of the dollar equivalent of that 200 euros.

The ATM operator — the bank or network that owns the machine — may also charge you a fee. This is separate from Discover's fee and varies widely. Some ATMs charge nothing; others charge $3 to $5 or more. The ATM screen usually shows you the fee before you confirm the withdrawal, so you can decline if the cost is too high.

To minimize ATM fees, withdraw larger amounts less frequently rather than making many small withdrawals. One $400 withdrawal costs you $2 plus 1% once. Four $100 withdrawals cost you $8 plus 1% four times, which adds up faster.

Where Discover is accepted and where it isn't

Discover acceptance is strong in Europe, Canada, Japan, Australia, and most developed nations. You'll find it at major hotel chains, rental car companies, airlines, and international restaurant brands. Airport shops and duty-free stores typically accept Discover because they cater to international travelers.

Acceptance is weaker in parts of Asia, Africa, Latin America, and the Middle East. Small shops, local restaurants, and street vendors often don't take Discover. In these regions, cash is still king, and Visa or Mastercard is your backup. Before you travel to a less developed area, research what payment methods locals use and plan accordingly.

If a merchant says they don't take Discover, you have no recourse — they're not required to accept any card. This is why carrying cash and a second card (ideally Visa or Mastercard) is essential for international travel.

Currency conversion and exchange rates

When you use Discover abroad, the merchant's bank converts the foreign currency to U.S. dollars using an exchange rate. Discover does not set this rate — the merchant's bank does. The rate they use is usually close to the mid-market rate (the real-time wholesale rate), but it may include a small markup.

You cannot control which exchange rate is used, and you cannot negotiate it. The rate is applied automatically when the transaction is processed, which may be one to three days after you make the purchase. By the time you see the charge on your statement, the rate may have moved.

This is different from the foreign transaction fee. The fee is a flat 1% charge. The exchange rate is the cost of converting one currency to another. Both are added to your bill.

Notifying Discover before you travel

Call the number on the back of your Discover card and tell them your travel dates and destinations. You can also use the Discover mobile app — open it, go to Account Services, and look for the travel notification option. Providing this information helps Discover's fraud detection system recognize your legitimate purchases and avoid blocking your card.

If you don't notify them and Discover suspects fraud, they may decline your card at a critical moment — like when you're trying to pay for a hotel or rental car. Notification takes two minutes and prevents this headache. If you forget to notify them and your card is declined, call the number on the back of your card when ready and explain that you're traveling.

Comparing Discover to other cards for international use

Visa and Mastercard have wider acceptance than Discover, especially outside major cities and tourist areas. If you're traveling to a remote region or a country where Discover is less common, a Visa or Mastercard is a safer primary card. Many travelers carry one Discover card and one Visa or Mastercard for this reason.

Some credit cards offer travel perks like trip insurance, emergency card replacement, or concierge services. Discover offers some of these on premium cards, but they're less common than on Visa or Mastercard premium products. If travel is a regular part of your life, compare the full feature set of cards across all networks, not just Discover.

The foreign transaction fee varies by card and network. Some Discover cards charge 1%, some charge nothing. Visa and Mastercard cards also vary. If you travel frequently, a card with no foreign transaction fee saves money over time, even if it has an annual fee.

Frequently Asked Questions

What do I do if my Discover card is declined abroad?

Call the number on the back of your card when ready. Discover's fraud team may have blocked it, or the merchant's system may not support Discover. If it's fraud-related, Discover can unblock it on the call. If the merchant doesn't take Discover, you'll need to use cash or another card.

Do I pay the foreign transaction fee if I use Discover at a U.S. chain store while traveling?

Not if the transaction is processed in U.S. dollars. If you're at a U.S. chain abroad and they charge you in dollars, no foreign transaction fee applies. If they charge you in the local currency, the fee applies. Ask the cashier which currency they're using before you complete the purchase.

Can I use Discover to pay for hotels and rental cars in advance online?

Yes, but check whether the booking site charges you in U.S. dollars or the local currency. If it's in dollars, no foreign transaction fee. If it's in the local currency, the 1% fee applies when the charge posts to your account.

What happens if the exchange rate changes between when I swipe and when the charge posts?

The exchange rate used is the one in effect when the merchant's bank processes the transaction, not when you swipe. This is typically one to three days after purchase. You have no control over this timing, and the rate may move in either direction.

Is Discover accepted in Canada and Mexico?

Yes, Discover is widely accepted in both countries, especially at major merchants and tourist areas. Acceptance is similar to the United States. However, the 1% foreign transaction fee still applies because these are international transactions.