10 July 2026, 11:15 PM
I'm flying with Singapore Airlines soon and wanted to understand the 3-1-1 rule on Singapore Airlines for carry-on baggage. After looking into it, I found some useful information that may help other travelers too.
The 3-1-1 rule on Singapore Airlines applies to liquids, aerosols, and gels (LAGs) carried in your cabin baggage. While Singapore Airlines follows the security regulations established by airport authorities, passengers are responsible for packing their liquids according to these requirements.
Under the rule, each liquid container must be 100 ml (3.4 oz) or less. Even if a bottle contains only a small amount of liquid, it will not be allowed through security if the container itself exceeds 100 ml. All liquid containers must fit inside one transparent, resealable plastic bag with a maximum capacity of 1 litre, and each passenger is generally allowed only one such bag.
Many common travel essentials fall under this rule, including shampoo, conditioner, body wash, lotion, toothpaste, mouthwash, perfume, sunscreen, shaving cream, hair gel, liquid makeup, mascara, and deodorant sprays. To avoid delays, it's a good idea to purchase travel-sized toiletries before your trip.
At the airport security checkpoint, you'll usually be asked to remove the plastic bag containing your liquids from your carry-on baggage and place it in a separate tray for screening. Keeping it easily accessible can help speed up the security process.
There are a few important exceptions to the standard liquid restrictions. Prescription medicines, essential medical liquids, baby formula, baby food, and special dietary products are generally permitted in reasonable quantities. However, these items may require additional screening, so carrying a prescription or doctor's note can be helpful if you're traveling with medical supplies.
If you've purchased duty-free liquids after clearing security, they are typically allowed onboard when sealed in a tamper-evident security bag with the original receipt. However, if your journey includes connecting flights, especially through another country, different airport security regulations may apply. It's always worth checking the rules for every airport on your itinerary.
For larger bottles of shampoo, body lotion, beverages, or other liquids, it's best to pack them in your checked baggage, where the 100 ml cabin limit does not apply.
Following the 3-1-1 rule on Singapore Airlines can help you avoid unnecessary delays at airport security and make your travel experience much smoother.
Have you recently flown with Singapore Airlines? Were the liquid screening procedures strict at your departure or transit airport? Feel free to share your experience and any helpful packing tips for fellow travelers.
The 3-1-1 rule on Singapore Airlines applies to liquids, aerosols, and gels (LAGs) carried in your cabin baggage. While Singapore Airlines follows the security regulations established by airport authorities, passengers are responsible for packing their liquids according to these requirements.
Under the rule, each liquid container must be 100 ml (3.4 oz) or less. Even if a bottle contains only a small amount of liquid, it will not be allowed through security if the container itself exceeds 100 ml. All liquid containers must fit inside one transparent, resealable plastic bag with a maximum capacity of 1 litre, and each passenger is generally allowed only one such bag.
Many common travel essentials fall under this rule, including shampoo, conditioner, body wash, lotion, toothpaste, mouthwash, perfume, sunscreen, shaving cream, hair gel, liquid makeup, mascara, and deodorant sprays. To avoid delays, it's a good idea to purchase travel-sized toiletries before your trip.
At the airport security checkpoint, you'll usually be asked to remove the plastic bag containing your liquids from your carry-on baggage and place it in a separate tray for screening. Keeping it easily accessible can help speed up the security process.
There are a few important exceptions to the standard liquid restrictions. Prescription medicines, essential medical liquids, baby formula, baby food, and special dietary products are generally permitted in reasonable quantities. However, these items may require additional screening, so carrying a prescription or doctor's note can be helpful if you're traveling with medical supplies.
If you've purchased duty-free liquids after clearing security, they are typically allowed onboard when sealed in a tamper-evident security bag with the original receipt. However, if your journey includes connecting flights, especially through another country, different airport security regulations may apply. It's always worth checking the rules for every airport on your itinerary.
For larger bottles of shampoo, body lotion, beverages, or other liquids, it's best to pack them in your checked baggage, where the 100 ml cabin limit does not apply.
Following the 3-1-1 rule on Singapore Airlines can help you avoid unnecessary delays at airport security and make your travel experience much smoother.
Have you recently flown with Singapore Airlines? Were the liquid screening procedures strict at your departure or transit airport? Feel free to share your experience and any helpful packing tips for fellow travelers.