A passport book is the essential document. A passport card is the useful extra. The book works for international travel by air, land, and sea. The card is limited to land and sea entry from Canada, Mexico, Bermuda, and some Caribbean destinations, but it also fits in a wallet and works as a REAL ID alternative for domestic flights.
Having both makes the most sense for travelers who take cruises, cross land borders, want a second federal photo ID, or prefer to keep a smaller passport document in their wallet. The card does not replace the book for international air travel or an emergency flight home from another country.

Passport Book vs. Passport Card
| Feature | Passport book | Passport card |
|---|---|---|
| International air travel | Valid for flights to and from other countries. | Not valid for international air travel. |
| Land and sea travel | Valid for international travel by land and sea. | Valid for U.S. entry by land or sea from Canada, Mexico, Bermuda, and some Caribbean destinations. |
| Domestic flights | Accepted by TSA as a REAL ID alternative. | Accepted by TSA as a REAL ID alternative. |
| Visa pages | Includes pages for visas and entry stamps. | No visa pages. |
| Size | Approximately 5 by 3.5 inches. | About the size of a credit card. |
| Adult validity | 10 years. | 10 years. |
| Validity under age 16 | 5 years. | 5 years. |
| Best fit | International travelers, especially anyone who may fly abroad. | Land-border travelers, some cruise passengers, and people who want a wallet-sized federal ID. |
Should you get both?
Get both when you travel internationally and would use the card for domestic flights, land crossings, eligible cruises, or backup identification. The book alone may be enough when you travel only by air and already have another REAL ID-compliant credential. The card alone is usually too limited for anyone who may need to fly internationally.
Do not mail a routine application. Attend a regional passport agency appointment, or use a registered passport courier service to provide personalized support and handle the logistics for you. You can request the card on the same application, but the book is the document required for international air travel.
Why Carry Both Documents?
The two passport products do different jobs. The book gives you the broad travel authority. The card adds convenience for situations where carrying the book is unnecessary.
- Domestic airport ID: Both documents can be used at TSA checkpoints instead of a state-issued REAL ID.
- Land-border travel: The card is easier to keep in a wallet for qualifying trips to and from Canada or Mexico.
- Eligible sea travel: The card can meet U.S. entry requirements for some cruises and other qualifying sea travel.
- Second federal photo ID: The card proves U.S. citizenship and identity without displaying a home address.
- Separate storage: Keeping the book and card in different secure places gives you another government-issued document if one is lost.
The benefit is flexibility, not complete interchangeability. The card cannot take the place of the book whenever international air travel is involved.
Why the Passport Book Still Comes First
A passport book is valid for international travel by air, land, and sea. It also contains visa pages, which are required when a destination issues a physical visa or places entry and exit stamps in the document.
This matters even on a cruise. A traveler who becomes ill in port, misses the ship, or needs to leave the itinerary early may have to fly internationally. A card cannot be used for that flight. See our guide to passport requirements and risks for cruises.
The book remains the document to prioritize when cost is a concern and you must choose only one. It covers more travel situations and avoids being stranded by the card’s air-travel restriction.
Where the Passport Card Adds Value
The passport card is a wallet-sized proof of U.S. citizenship and identity. It is accepted for domestic flights as a REAL ID alternative and can be used in Ready Lanes at participating land-border crossings.
It can be useful for:
- Frequent land travel between the United States and Canada or Mexico.
- Travelers who take qualifying cruises but still carry the book as emergency backup.
- People who want a second federal photo ID in their wallet.
- Families that want a smaller document for qualifying land or sea trips.
- Travelers whose driver’s license is not REAL ID compliant.
The passport card is not a driver’s license and does not show an address.
It cannot prove driving privileges or residence, and private businesses decide which forms of identification they accept.
Does the Card Help If Your Passport Book Is Lost?
A passport card can help establish identity and U.S. citizenship when replacing a lost or stolen passport book. Keeping a copy of both documents can also help when reporting the loss.
The card does not let you board an international flight home, and it does not guarantee that an embassy or consulate will issue a full-validity replacement. The consular officer decides which document can be issued based on the circumstances.
Store the card separately from the book when using it as backup. Report a lost or stolen passport product promptly, because each document has its own passport number and remains valid until it is reported or expires.
What Does It Cost to Get Both?
| Applicant | Book only | Card only | Book and card |
|---|---|---|---|
| First-time adult using DS-11 | $165 | $65 | $195 |
| Adult eligible for renewal | $130 | $30 | $160 |
| Child under 16 | $135 | $50 | $150 |
The first-time and child totals include the $35 acceptance fee. An adult renewing by mail or online does not pay that fee.
Requesting both on the same Form DS-11 application costs $30 more than the book alone for an adult and $15 more for a child. Applying for the card later may require another in-person acceptance fee unless the adult is eligible to use Form DS-82.
How to Apply for Both
Choose “passport book and card” on the application form. First-time adults and all children under 16 apply in person with Form DS-11. Eligible adults can renew both products with Form DS-82 or through the online renewal system when they meet its rules.
If you already have a valid or recently expired passport book, you may be able to request your first card by mail for $30. Follow our step-by-step guide to add a passport card to an existing passport book.
When renewing both a book and card, submit both documents. The State Department may mail the new book, new card, and returned supporting documents separately.
Routine processing is 4 to 6 weeks, and expedited processing is 2 to 3 weeks. Mailing time is not included in those estimates. Passport cards are sent by First Class Mail and are not eligible for the faster 1- to 3-day return-delivery option available for books.
The book and card have different passport numbers.
Receiving both does not create two copies of the same passport. Each is a separate travel document with its own number and travel limitations.
Passport Book and Card FAQs
No. A passport book is required for international flights. The card is limited to qualifying land and sea entry.
Yes. Both the passport book and passport card are accepted by TSA as alternatives to a state-issued REAL ID.
Usually. A first-time adult pays $195 for both, compared with $165 for the book alone. Applying for a card later can require another $35 acceptance fee unless the adult is eligible to apply by mail with Form DS-82.
An eligible adult can use Form DS-82 to request a first passport card by mail while holding a passport book. The current card fee is $30.
No. They are separate documents and have different passport numbers.
The book gives cruise passengers more options if they need to fly home from another country. The card can be useful for qualifying sea entry and as a smaller shore ID, but it should not replace the book when an emergency flight is possible.
Yes. A child under 16 can apply for both on the same Form DS-11 application. Both documents are valid for five years and cannot be renewed.
Last reviewed: July 2026
Our role: We compare the passport book and card so travelers can choose the documents that fit their travel and identification needs. The State Department determines eligibility, fees, issuance, and processing.

About The Author
Laura Soper is the Head of Research & Lead Writer for U.S. Passport Service Guide. She leads our research division and conducts the rigorous investigations that power our passport expediter directory while authoring many of our deep-dive guides on entry requirements, visas, and application compliance. Learn more about Laura’s work and our team’s history on our About Us page.