
If you are a student with an F1 Visa travelling within the US, you are required to carry a valid ID at the airport. While a passport is sufficient for TSA security screening, you should also carry your I-20 form to present at CBP checkpoints or during checks by immigration authorities. The I-20 form is also used as identification and proof of legal and academic status after passing through border inspections at airports, seaports, or land borders.
| Characteristics | Values |
|---|---|
| Can I use I-20 to board a flight in the U.S.? | No, a passport is an acceptable ID for TSA security screening. However, it is recommended to carry your I-20 in case you run into a CBP checkpoint or are checked by an immigration authority. |
| Can I use I-20 to board a flight outside the U.S.? | Yes, the I-20 is required for re-entering the United States. Students must also verify that they have a valid travel endorsement on page 2 of their I-20 before departure. |
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What You'll Learn
- I-20 is used as identification and proof of legal and academic status for international students in the US
- I-20 is required for re-entering the US and to reapply for a visa
- Passports are an acceptable form of ID for TSA security screening
- REAL ID-compliant driver's licenses are accepted at TSA checkpoints
- State-issued IDs that are not REAL ID-compliant are no longer accepted as of May 7, 2025

I-20 is used as identification and proof of legal and academic status for international students in the US
International students in the US are required to have a Form I-20, also known as a "Certificate of Eligibility for Nonimmigrant Student Status". This document serves as proof of their legal and academic status in the country. It is important to note that the I-20 is not just a single form, but rather a continuous record of a student's nonimmigrant status.
The I-20 is issued by a student's designated school official (DSO) once they are accepted into a Student and Exchange Visitor Program (SEVP)-certified school. It is a crucial document that must be kept safe, as it is needed throughout their international student life cycle in the US. Students should carry their I-20 with them when travelling within the US, as they may encounter an immigration authority or CBP checkpoint.
Upon arrival in the US, international students must present their I-20 to a Customs and Border Protection officer at the port of entry, along with their F-1 visa. Once they have passed through the border inspection process, the I-20 serves as identification and proof of legal and academic status. Students typically need to show their I-20 at the Social Security Office and the Department of Motor Vehicles (DMV). Additionally, it is presented to employers during the hiring process.
The I-20 is also essential when travelling outside the US. Students must carry their I-20 when travelling abroad, as it is required for re-entry into the country. Before departure, students should ensure they have a valid travel endorsement on their I-20 from their school's international office. When applying for a replacement I-20, international students must obtain it before re-entering the US.
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I-20 is required for re-entering the US and to reapply for a visa
The I-20 form is a crucial document for nonimmigrant students in the US. It serves as proof of legal and academic status and is required for various administrative processes, including re-entry into the country and visa applications.
Firstly, the I-20 form is essential for re-entering the US. When travelling abroad, F-1 and M-1 visa students must carry their I-20 form with them. Upon returning to the US, students must present their I-20, passport, and visa to Customs and Border Protection (CBP) officials at the port of entry, typically an airport. The CBP official will then decide whether to permit or deny entry. It is important to note that students should obtain a valid travel endorsement on their I-20 form from their Designated School Official (DSO) before departing the US.
Additionally, the I-20 form is required when reapplying for a visa. Students must present their I-20 form at their visa interview when applying for or renewing an F-1 or M-1 student visa. The I-20 form should be signed by both the student and their DSO. It is also necessary for students to possess a current I-20 form endorsed for travel when returning from temporary visits to certain countries, such as Canada or Mexico, to automatically revalidate an expired visa.
Moreover, the I-20 form is crucial for maintaining legal status in the US. Students must keep their I-20 form safe and carry it with them when travelling within the US. While there are typically no immigration checks for domestic travel, having the I-20 readily available is important in the unlikely event of encountering a CBP checkpoint or immigration inspection. The I-20 form serves as proof of legal status and helps prevent any complications or misunderstandings.
In summary, the I-20 form is a vital document for nonimmigrant students in the US. It is necessary for re-entering the country, reapplying for visas, and maintaining legal status. Students should keep their I-20 form easily accessible when travelling internationally or domestically and ensure it is up to date and endorsed by their DSO.
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Passports are an acceptable form of ID for TSA security screening
For those wondering whether they can use an I-20 form to board a flight, it is important to understand that this form is used as identification and proof of legal and academic status once a student has arrived in the United States and passed through the border inspection process. Typically, students must show their I-20 form at the Social Security Office and the Department of Motor Vehicles (DMV). It is also required when students are reapplying for a visa or re-entering the United States.
Now, regarding the topic of acceptable forms of identification for TSA security screening, passports are indeed considered valid. TSA requires adult passengers aged 18 and over to present valid identification at the airport checkpoint. While the list of acceptable IDs is subject to change, as of May 7, 2025, state-issued driver's licenses and IDs that are not REAL ID-compliant will no longer be accepted. Passengers are advised to carry an acceptable alternative form of ID, such as a passport, or a state-issued REAL ID. It is worth noting that TSA currently accepts expired IDs up to two years after their expiration date.
For international travel, a passport is necessary, while for domestic travel within the United States, only one valid form of identification is required, either a REAL ID or an alternative like a passport. It is important to emphasize that TSA does not require children under 18 to provide identification when travelling within the country. However, unaccompanied minors eligible for TSA PreCheck must show acceptable ID to receive expedited screening.
In summary, while an I-20 form is crucial for international students in the U.S. for various purposes, it is not directly related to airport boarding. Instead, valid identification, such as a passport, is required for TSA security screening, making passports an acceptable and widely recognized form of ID for air travel.
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REAL ID-compliant driver's licenses are accepted at TSA checkpoints
As of May 7, 2025, only REAL ID-compliant driver's licenses are accepted at TSA checkpoints for domestic flights. This means that state-issued driver's licenses and IDs that are not REAL ID-compliant are no longer accepted as valid forms of identification at airports. Passengers who do not have a REAL ID-compliant driver's license or another acceptable alternative form of ID will be notified of their non-compliance and may be directed to a separate area for additional screening. It is important to check the TSA Identification Requirements page before travelling to ensure you have acceptable identification.
REAL ID-compliant driver's licenses are issued by the Department of Motor Vehicles (DMV) and include a REAL ID-compliant star marking. All states, the District of Columbia, and the five territories are REAL ID-compliant and issuing these licenses. To obtain a REAL ID-compliant driver's license, individuals can visit their state's DMV office or website to find out the exact documentation required.
It is important to note that REAL ID-compliant driver's licenses are not the only acceptable form of identification at TSA checkpoints. Passengers can also present other acceptable alternative documents, such as a passport, passport card, or state-issued Enhanced Driver's License (EDL). These alternative forms of identification can be used in lieu of a REAL ID driver's license when boarding domestic flights and visiting federal facilities.
In addition to the above, there are certain exceptions and considerations for specific groups. For example, TSA does not require children under 18 to provide identification when travelling within the United States. However, unaccompanied minors who are eligible for TSA PreCheck must show acceptable ID for expedited screening. Similarly, students on an F1 Visa should carry their I-20 when travelling within the US, as they may encounter a CBP checkpoint or be checked by an immigration authority.
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State-issued IDs that are not REAL ID-compliant are no longer accepted as of May 7, 2025
As of May 7, 2025, state-issued IDs that are not REAL ID-compliant will not be accepted as valid forms of identification at airports. This means that passengers travelling with non-compliant IDs will need to present an acceptable alternative form of ID, such as a passport, or they can choose to enroll for a REAL ID through their state DMV offices.
REAL ID-compliant forms of identification include state-issued driver's licenses with a star in the upper right-hand corner, indicating REAL ID compliance. If you are unsure whether your ID is compliant, you should check with your state department of motor vehicles. It is important to note that temporary driver's licenses are not considered acceptable forms of identification.
Other acceptable forms of identification include a valid U.S. passport, U.S. passport card, DHS trusted traveler cards (Global Entry, NEXUS, SENTRI, FAST), U.S. Department of Defense ID, and acceptable photo ID issued by federally recognized Tribal Nations/Indian Tribes, including Enhanced Tribal Cards (ETCs).
If a passenger presents a non-compliant state-issued ID without another acceptable form of ID, they will be notified of their non-compliance and may be directed to a separate area for additional screening. The TSA officer may ask for information such as the passenger's name and current address to verify their identity. If the identity is confirmed, the passenger will be allowed to proceed through the screening checkpoint but may still be subject to further screening.
It is worth noting that the I-20 form is not typically used as a primary form of identification for airport security screening purposes within the United States. However, international students on an F1 Visa are advised to carry their I-20 when travelling within the U.S. in case they encounter a CBP checkpoint or are checked by an immigration authority. The I-20 is required for visa-related processes and for re-entering the country.
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Frequently asked questions
No, you cannot use an i20 to board a domestic flight in the US. There are generally no immigration checks for travel within the US, and a passport is an acceptable ID for TSA security screening. However, you should carry your i20 with you in case you run into a CBP checkpoint or get checked by an immigration authority.
The i20 is used as identification and proof of legal and academic status for international students in the US. It is typically shown at the Social Security Office, the Department of Motor Vehicles, and to employers in the hiring process.
Yes, students must take their i20 with them when travelling internationally. The i20 is required to reapply for a visa and for re-entering the United States.
Besides a passport, other acceptable forms of ID include a REAL ID-compliant driver's license, a state-issued Enhanced Driver's License (EDL) or Enhanced ID (EID), a U.S. passport card, DHS trusted traveler cards (Global Entry, NEXUS, SENTRI, FAST), and a U.S. Department of Defense ID.
Passengers who present a state-issued ID that is not REAL ID-compliant and do not have another acceptable form of ID will be notified of their non-compliance and may be directed to a separate area for additional screening.











































