Discover cards work in most countries, but not everywhere, and you'll pay foreign transaction fees unless you have a specific card that waives them

Discover is accepted in over 190 countries and territories, but acceptance is thinner outside the United States than it is at home. Visa and Mastercard are more widely recognized internationally. Before you travel, contact Discover to let them know your destination and dates — this prevents them from blocking your card as fraud. You'll also want to know your card's foreign transaction fee, which typically runs 1% of each purchase made outside the U.S., though some Discover cards waive this fee entirely.

The real limitation is merchant acceptance. In many parts of Europe, Asia, and Latin America, Discover is simply not accepted at all. Restaurants, shops, and hotels may have no way to process it. ATMs are more reliable — most international ATMs accept Discover, though you'll pay a fee from both your bank and the ATM operator. Before departure, confirm with your card issuer what those ATM fees are, because they vary by card and by country.

Key Takeaways

  • Discover works in most countries but is accepted far less often than Visa or Mastercard, especially outside major cities and tourist areas.
  • Foreign transaction fees are typically 1% of each purchase, though some Discover cards waive this fee — check your card's terms before traveling.
  • ATMs are your most reliable way to get cash abroad with a Discover card, but both your bank and the ATM operator will charge fees.
  • Contact Discover before you leave to notify them of your travel dates and destinations, or your card may be declined as a fraud precaution.
  • Bring a backup payment method — a Visa or Mastercard — because many merchants outside the U.S. cannot process Discover at all.

Where Discover is accepted and where it isn't

Discover acceptance is strongest in Canada, Mexico, and Western Europe, where major retailers and hotels recognize it. In the United Kingdom, France, Germany, and Spain, you'll find Discover at chain stores and tourist-oriented businesses. Japan and Australia also have reasonable Discover acceptance in urban areas.

Acceptance drops sharply in Eastern Europe, Southeast Asia, the Middle East, and parts of Latin America outside Mexico. Small towns and rural areas anywhere in the world are unlikely to accept Discover. If you're traveling to a country where you're unsure, assume you cannot use it for purchases and plan to withdraw cash from ATMs instead. Your card issuer's website usually lists countries where Discover is accepted, though the list is broad and doesn't tell you about individual merchants.

Foreign transaction fees and how to avoid them

Most Discover cards charge 1% of the purchase amount as a foreign transaction fee. This applies to any transaction made outside the United States, whether you're in Canada or Thailand. Some Discover cards, particularly premium or business cards, waive this fee entirely. Check your card's terms or call the number on the back of your card to confirm whether you pay this fee.

If your card charges foreign transaction fees and you're traveling for an extended period, the cost adds up quickly. A $100 purchase costs you $101. A week of meals and transit can easily mean $50 to $100 in fees alone. If your card does charge the fee and you use Discover frequently abroad, you might consider whether switching to a different card for international travel makes sense — though that's a decision to make before you leave, not while you're traveling.

Using ATMs to withdraw cash abroad

ATMs are the most reliable way to get local currency with a Discover card. Most international ATMs accept Discover, and you'll get the current exchange rate rather than a merchant's inflated rate. However, you'll pay fees on both ends: your bank charges an ATM fee (typically $2 to $5 per withdrawal), and the ATM operator charges a fee as well (often $1 to $3). Some banks charge an additional foreign transaction fee on top of the ATM fee.

To minimize ATM fees, withdraw larger amounts less frequently rather than making many small withdrawals. A single $200 withdrawal costs less in fees than four $50 withdrawals. Before you travel, ask your card issuer what their ATM fees are in the countries you're visiting, because fees vary by destination. Also ask whether they charge a foreign transaction fee on ATM withdrawals — some do, some don't.

Notifying Discover before you travel

Call Discover or use their mobile app to notify them of your travel dates and destinations before you leave. This step takes five minutes and prevents your card from being declined when you try to use it abroad. Discover's fraud detection system is sensitive to unusual activity, and a purchase in a foreign country can trigger a block if the system doesn't expect it.

When you notify them, have your itinerary ready and be specific about which countries you'll visit and when. If your plans change and you end up staying longer or going somewhere else, call again. If your card does get declined while you're traveling, call the number on the back of your card — Discover has international customer service lines — and they can usually unblock it within minutes.

What to do if your card isn't accepted

If a merchant declines your Discover card, ask if they accept any other payment method. Many places that don't take Discover will take Visa or Mastercard. If you don't have a backup card, ask the merchant if they can process the payment manually or if there's another location nearby that accepts Discover.

If you're stuck without a working card, your best option is to find an ATM and withdraw cash. Most ATMs work with Discover even when merchants don't. Keep some cash on hand throughout your trip as a buffer — this protects you if your card is lost, stolen, or declined unexpectedly. In a true emergency, contact your bank or Discover to arrange a wire transfer or emergency cash advance, though this is slow and expensive.

Protecting your card while traveling

Notify Discover of your travel dates so they don't block legitimate purchases, but also watch your account for fraudulent charges. International travel increases your risk of card fraud because your card is being used in unfamiliar places and sometimes by people who don't speak your language. Check your account online or through the app every few days while you're away.

Keep your card physically secure. Don't leave it unattended at restaurants or shops. Use ATMs in well-lit, busy locations, preferably inside banks or shopping centers rather than on the street. If your card is lost or stolen, call Discover immediately — the number is on your statement or on Discover's website. They can cancel the card and issue a replacement, though getting a replacement while traveling is difficult. Consider having a backup card from a different issuer, or ask a trusted person at home to hold a spare card in case you need it mailed to you.

Frequently Asked Questions

Will my Discover card work everywhere I travel?

No. Discover is accepted in most developed countries and major cities, but acceptance is much lower than Visa or Mastercard. In many parts of Asia, Eastern Europe, and rural areas worldwide, Discover may not be accepted at all. Bring a backup card and plan to use ATMs for cash.

How much will I pay in foreign transaction fees?

Most Discover cards charge 1% of each purchase made outside the U.S. Some cards waive this fee. Check your card's terms or call Discover to confirm. ATM withdrawals may also include a foreign transaction fee on top of the ATM operator's fee.

What should I do if my card gets declined abroad?

Ask the merchant if they accept other payment methods. If not, find an ATM to withdraw cash. If your card is blocked by fraud detection, call Discover using the number on the back of your card or on your statement — they have international support lines and can usually unblock it quickly.

Is it safe to use my Discover card at foreign ATMs?

Yes, foreign ATMs are generally safe if you use them in well-lit, busy locations like banks or shopping centers. Avoid ATMs on the street or in isolated areas. Monitor your account for fraudulent charges while you travel.

Should I exchange money before I travel or use ATMs abroad?

Using ATMs abroad typically gives you a better exchange rate than exchanging money before you travel, even after ATM fees. However, ATM fees add up if you make many small withdrawals. Withdraw larger amounts less frequently to minimize fees.