¿Se puede llevar Backpack / Extra Bag en un avión?
Yes — you can bring backpack on a plane in your carry-on luggage. Security: unlimited bag types.
- · Security: unlimited bag types
- · Two backpacks on a plane = your allowance: 1 cabin bag + 1 under-seat personal item on most full-service airlines
- · Basic Economy (United) / ULCC fares: often personal item only — the second bag costs extra
- · Sizing: under-seat ≈ 18 × 14 × 8 in; overhead ≈ 22 × 14 × 9 in on most US airlines
On this page · 6 sections
Normativas por autoridad de seguridad
Rules by security authority
United States — TSA
Carry-on
Yes
Yes, a backpack is allowed — security has no bag-type rules. The airline decides whether it is your carry-on (overhead) or personal item (under seat).
Checked bag
Yes
Yes, backpacks can be checked — cinch all straps or use a cover so they do not snag the conveyor.
Flying internationally? Security follows the country you depart from — the authority above applies at your departure airport. Customs at arrival is separate.
Reglas específicas por aerolínea
The two-backpack question is really a fare question: full-service economy includes cabin bag + personal item; United Basic (domestic) and every ULCC base fare include only the under-seat item. Compare all airlines below.
Cómo empacar backpack / extra bag
Equipaje de mano: Yes, a backpack is allowed — security has no bag-type rules. The airline decides whether it is your carry-on (overhead) or personal item (under seat).
Equipaje facturado: Yes, backpacks can be checked — cinch all straps or use a cover so they do not snag the conveyor.
El oficial de seguridad del aeropuerto siempre tiene la decisión final sobre si un artículo pasa el control.
Preguntas frecuentes
Frequently asked questions
Can you bring a Backpack in a carry-on?
Yes, a backpack is allowed — security has no bag-type rules. The airline decides whether it is your carry-on (overhead) or personal item (under seat).
Can you pack a Backpack in checked luggage?
Yes, backpacks can be checked — cinch all straps or use a cover so they do not snag the conveyor.
Can I carry two backpacks on a plane?
Yes on most full-service airlines: one fits the overhead as your carry-on, the other fits under the seat as your personal item. On United Basic Economy and ultra-low-cost carriers, only the under-seat one is free.
What size duffel bag can I carry on a plane?
The same as a suitcase: about 22 × 14 × 9 in (56 × 36 × 23 cm) including external pockets on most US airlines. Duffels compress, so slightly oversized soft bags usually pass.
Do airlines have their own rules for a backpack?
The two-backpack question is really a fare question: full-service economy includes cabin bag + personal item; United Basic (domestic) and every ULCC base fare include only the under-seat item. Compare all airlines below.
Last verified:
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