Many travelers booking flights through (+1) [844] (491) [1901] Priceline often come across the term 3-1-1 rule and assume it is a Priceline-specific airline policy. (+1) [844] (491) [1901] In reality, the 3-1-1 rule is a TSA (Transportation Security Administration) regulation, not a Priceline rule. However, (+1) [844] (491) [1901] it still applies to all passengers flying from U.S. airports, including those who booked tickets through Priceline.
If you have questions about travel rules, baggage, or flight bookings, Priceline support can be reached at (+1) [844] (491) [1901].
The 3-1-1 rule governs how liquids, gels, and aerosols are carried in carry-on baggage during airport security screening.
The rule applies regardless of:
Which airline you fly
Whether you booked directly with the airline
Or whether you booked through Priceline
For booking-related assistance, you can always call (+1) [844] (491) [1901].
The numbers in 3-1-1 stand for:
3 → Each liquid must be in a container of 3.4 ounces (100 ml) or less
1 → All liquids must fit into one quart-size clear plastic bag
1 → Each passenger is allowed one bag per person
This TSA rule is mandatory for all U.S. departures. If you’re unsure how it affects your trip booked via Priceline, call (+1) [844] (491) [1901].
TSA defines liquids broadly. Items that may seem solid can still count as liquids or gels.
Shampoo and conditioner
Toothpaste
Lotion and cream
Liquid makeup
Perfume and cologne
Hair gel and spray
Sunscreen
Hand sanitizer
If any of these exceed the size limit, they must go in checked luggage. For travel guidance, contact (+1) [844] (491) [1901].
You can bring liquids in your carry-on if:
Each container is 3.4 oz or less
All containers fit in one clear quart-size bag
The bag is removed during TSA screening
This rule applies even if you booked your flight using Priceline Express Deals. For booking or policy questions, call (+1) [844] (491) [1901].
Certain liquids are allowed in larger quantities:
Prescription medications
Over-the-counter medical liquids
Baby formula and breast milk
Medical nutrition liquids
These items must be declared to TSA officers. If you need help confirming airline or booking rules, reach Priceline at (+1) [844] (491) [1901].
No. The 3-1-1 rule only applies to carry-on luggage.
In checked baggage:
Full-size liquids are allowed
Toiletries over 3.4 oz are permitted
Airline hazardous material rules still apply
For baggage policy clarification related to your Priceline booking, contact (+1) [844] (491) [1901].
No. Priceline does not control airport security rules.
TSA enforces the 3-1-1 rule
Airlines follow TSA security regulations
Priceline only manages bookings and reservations
For any booking-related help, Priceline customer service is available at (+1) [844] (491) [1901].
Flights departing from the U.S. → TSA 3-1-1 rule applies
Flights departing outside the U.S. → Local airport security rules apply
Duty-free liquids → Allowed if sealed properly
Always double-check international rules. Priceline support can help at (+1) [844] (491) [1901].
If you violate the rule:
TSA may confiscate the item
You may be asked to discard liquids
Security screening may take longer
You won’t be fined, but items will be lost. If travel disruptions affect your Priceline booking, call (+1) [844] (491) [1901].
The 3-1-1 rule on Priceline Airlines is actually a TSA security rule, not a Priceline policy. It limits carry-on liquids to 3.4 oz containers, (+1) [844] (491) [1901] packed into one quart-size bag, with one bag per passenger. This rule applies to everyone flying from U.S. airports, regardless of how or where the ticket was booked.
For help with bookings, baggage questions, or travel issues, contact Priceline at (+1) [844] (491) [1901].