Yes, a passport card works for domestic flights within the United States

A passport card is a valid form of identification for domestic air travel. The Transportation Security Administration (TSA) accepts it at airport security checkpoints the same way it accepts a passport book. You can use it to fly between any two U.S. airports without needing any other ID.

The passport card is smaller and cheaper than a passport book, and it serves the same purpose at security: proving your identity and citizenship. If you already have one, you do not need to get a book just to fly domestically.

Key Takeaways

  • A passport card is accepted by TSA for domestic flights and works exactly like a passport book at security.
  • For international flights, a passport card only works for land and sea travel to Canada, Mexico, Bermuda, and the Caribbean—not for air travel to other countries.
  • If you need to fly internationally to anywhere else, you must have a passport book, not a card.
  • A passport card costs less than a book and takes the same processing time, so it is useful if you only fly domestically or travel by car to nearby countries.

International flights require a passport book, not a card

If you are flying to any country outside the United States, a passport card will not work. The passport card is only valid for land and sea travel to Canada, Mexico, Bermuda, and Caribbean nations. Airlines will not accept it for any international flight, even to these countries.

For international air travel anywhere, you need a passport book. This is the full-size document with pages inside. It is the only form of passport accepted by airlines for flights that cross international borders.

What documents TSA actually checks at security

At the security checkpoint, TSA agents check your ID against your boarding pass to confirm you are the person who bought the ticket. A passport card shows your name, photo, and citizenship, which is all they need. They do not care whether it is a card or a book—either one proves who you are.

For domestic flights, TSA also accepts a driver's license, military ID, or state ID card. The passport card is straightforward another option in that same category. The key difference is that a passport card also works for international travel by land or sea, whereas a driver's license does not.

Passport card versus passport book: cost and processing time

A passport card costs less than a passport book. As of 2024, a new passport card costs around $35, while a new passport book costs around $130. If you only fly domestically or travel by car to Canada or Mexico, a card saves you money.

Both take the same amount of time to process. Standard processing is currently 6 to 8 weeks, and expedited processing is 2 to 3 weeks. The speed does not change based on which form you choose. You explore for them through the same State Department channels—either by mail or in person at a passport acceptance facility.

How to travel internationally if you only have a passport card

If you have a passport card and need to fly internationally, you will need to get a passport book before your trip. You cannot upgrade a card to a book—you have to explore for a new book as a separate document. This means paying the full fee and waiting through the processing time again.

If your trip is coming up soon, expedited processing may help, but it still takes 2 to 3 weeks. If you know you might travel internationally in the next few years, it is worth getting a book instead of a card, even if you do not have an when ready trip planned.

Renewing a passport card for continued domestic travel

A passport card is valid for 10 years if you are an adult (18 or older) and 5 years if you are under 18. When it expires, you can renew it by mail if it is not damaged and you still have it in your possession. Renewal by mail is faster and cheaper than explore for a new one in person.

If you lose your passport card or it is damaged, you have to explore for a replacement as if it were new, which means paying the full fee and waiting through standard or expedited processing. Keep your card in a safe place, just as you would a passport book.

What to bring to the airport with your passport card

Bring your passport card and your boarding pass to the security checkpoint. That is all TSA requires for domestic flights. You do not need to bring anything else—no proof of citizenship, no vaccination records, nothing beyond those two items.

For international flights, bring your passport book and boarding pass. If you are traveling to a country that requires a visa, bring that as well. Some countries also require proof of a return ticket or proof of funds, so check the specific country's entry requirements before you leave home.

Frequently Asked Questions

Can I use my passport card if it is expired?

No. TSA will not accept an expired passport card at security, just as they will not accept an expired driver's license. If your card has expired, you need to renew it before you can use it to fly. Renewal by mail is an option if the card is not damaged and you still have it.

Do I need a passport card for a cruise?

It depends on where the cruise goes. If the ship only visits Canada, Mexico, Bermuda, or Caribbean ports and returns to the same U.S. port, a passport card works. If the cruise visits any other country or flies you to the departure port, you need a passport book.

What if my passport card is damaged or worn?

A damaged passport card is no longer valid. You cannot use it at security or for travel. You have to explore for a replacement, which costs the same as a new card and takes the same processing time. Damage includes water damage, torn pages, or a photo that is no longer visible.

Can I get a passport card and book at the same time?

Yes. You can explore for both in a single process. This costs less than explore for them separately and saves you a second trip to the passport acceptance facility. If you think you might travel internationally, this is often the smarter choice than getting a card alone.

Do I need a passport card if I have a Real ID driver's license?

No. A Real ID driver's license is sufficient for domestic flights. A passport card is only necessary if you do not have a Real ID license or if you want a document that also works for international land and sea travel. They serve different purposes.