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lite.cnn.com - on gopher - inofficial | |
ARTICLE VIEW: | |
The TSA-approved hack that allows travelers to bring a bottle of water | |
through airport security | |
By Karla Cripps, CNN | |
Updated: | |
12:38 PM EDT, Thu July 3, 2025 | |
Source: CNN | |
As millions of Americans take to the skies during what’s shaping out | |
to be of high temperatures, some will likely be searching for easy | |
travel hacks to help make their journeys a little less painful. | |
Among the many flying tips making the rounds in recent years on TikTok, | |
this one continues to pop up: how to get a full bottle of water through | |
a US airport security checkpoint. | |
The answer is simple — freeze it first. | |
No, you wouldn’t be breaking any rules. The US Transportation | |
Security Administration (TSA) is actually on board with this one. | |
“Frozen liquid items are allowed through the checkpoint as long as | |
they are frozen solid when presented for screening,” a TSA | |
spokesperson confirmed to CNN by email. | |
“If frozen liquid items are partially melted, slushy or have any | |
liquid at the bottom of the container, they must meet requirements,” | |
they added, referring to the TSA’s rule that allows each passenger to | |
bring liquids, gels and aerosols in containers that are less than 3.4 | |
ounces or 100 milliliters and can all fit into a single quart-sized | |
bag. | |
What to do if your frozen bottle starts to melt? Drink it before you | |
put your items into the security bin. | |
There are of course exceptions to the 3-1-1 rule — the TSA allows | |
larger amounts of medically necessary liquids, gels and aerosols in | |
carry-on luggage, and these need to be declared to officers at the | |
security checkpoint for inspection. Your pet goldfish? Apparently . | |
Ultimately, the best advice is to not pack any foods or frozen liquid | |
items into your carry-on luggage that you would be upset to throw away. | |
“The final decision rests with the TSA officer on whether an item is | |
allowed through the checkpoint,” reads the TSA website. | |
What’s the point? | |
Not surprisingly, some travelers just can’t warm up to the thought of | |
bringing frozen bottles through security. | |
Many who commented on and blogs about the hack said they didn’t see | |
the point, given you can just take an empty bottle through security and | |
at the widely available water dispensers most airports now offer in | |
departure halls. | |
Others couldn’t imagine why someone would go to all that trouble just | |
to avoid paying for a bottle of water on the other side, regardless of | |
the inflated prices. A few even pointed out that the ice might melt too | |
slowly for a passenger to even have time to drink it if they’re on a | |
short flight. | |
Meanwhile, some travelers expressed surprise that this hack wasn’t | |
common knowledge; the TSA has issued regular reminders on its . | |
Among the frequent flyers who feel the idea has its merits is aviation | |
blogger John E. DiScala, aka , who has traveled over 100,000 miles a | |
year since 1995 and visited over 100 countries. | |
“While I’ve never personally brought a frozen water bottle through | |
security, there are times when this travel hack makes sense,” he told | |
CNN in 2024. | |
“Yes, you can always fill your bottle up post-security, which is what | |
I always do. But sometimes, you can’t find a refilling station, | |
there’s a long line or you just don’t have enough time to do it | |
before boarding. In these instances, it would be nice to already have | |
your ice-cold water with you.” | |
He also pointed to last summer’s aviation disruptions as a reason to | |
pop a bottle into the freezer before your flight. | |
“Water from a refilling station is fine but in extreme heat, nothing | |
will beat ice-cold water,” said DiScala. | |
“There were many stories about passengers stuck on delayed flights, | |
sitting on the tarmac, who I’m sure wished they had some cold water | |
to drink to stay hydrated.” | |
‘It’s always smart to be prepared’ | |
When asked if some travelers are motivated to bring frozen bottles | |
through US airport security checkpoints simply for the thrill of | |
outsmarting “the man,” DiScala agreed that may be part of it, but | |
stresses this trick really could come in handy. | |
“Sure, people love travel hacks that make them feel like they’re | |
beating the system — like shoving an extra carry-on bag’s worth of | |
clothes into a travel pillow — but this one is not only easy and | |
inexpensive but it could really help to keep you safe, hydrated and | |
healthy,” he said. | |
“I never like to be at the mercy of the flight attendants for water | |
so it’s always smart to be prepared and have your own.” | |
Travelers outside of the US should check what the policy is in the | |
country they’re departing from before going to the trouble of | |
freezing their water bottles. Canada, for instance, isn’t quite so | |
chill. | |
Though the (CATSA) doesn’t specifically mention frozen water bottles | |
on its website, it does note that gel and ice packs are subject to 100 | |
ml liquid restrictions, as are non-solid foods, . | |
“Frozen liquids, such as ice, are permitted in quantities of 100 ml | |
(3.4 oz) or less,” says a post on the CATSA website. | |
“Food over 100 ml that is normally a liquid or gel but has been | |
frozen solid will not be allowed to pass through security in your | |
carry-on. In order for a food to be considered a solid, it must be | |
solid at room temperature.” | |
The hacks that make us go ‘why?’ | |
That the frozen water bottle hack found fame on TikTok should come as | |
little surprise. The app is filled with various tricks and tips aimed | |
at helping fliers, while also highlighting various trends. | |
While some might come in handy, others occasionally evoke ire. | |
Take last year’s , in which people shared artfully arranged shots of | |
their sunglasses, shoes, toiletries and reading material inside the | |
regulation polypropylene containers. | |
Even though many people were actually just sharing images of trays they | |
set up at home, the posts attracted negative reactions, with some | |
commenting the airport security line is not the place to be setting up | |
a photo shoot. | |
And then there are the travelers who appear to want to make flying even | |
more anxiety-inducing than it already is. Enter a TikTok trend that | |
claims people should be able to arrive at the airport as little as 15 | |
minutes before their flight boards — provided they check in online | |
and only travel with carry-on luggage. | |
Meanwhile, the award for the most unfortunately named flying trend that | |
travelers are bragging about online goes to …. . For this one, flyers | |
have been sharing personal tales of their mental prowess, claiming they | |
spent the entire flight without any entertainment whatsoever — no | |
books, no movies, no music. | |
But not all of the viral posts are harmless. For instance, experts have | |
come out to express their concern about one so-called flying hack | |
making the rounds on TikTok and Instagram that promised to help flyers | |
sleep better. | |
In , which have racked up millions of views, passengers can be seen | |
pulling their knees up to their chest and placing their feet at the | |
edge of their seats. Then, they secure their seatbelts around their | |
ankles to prevent their feet from slipping off the seat, allowing them | |
to rest their heads on their knees. | |
Not surprisingly, flight attendants in the US aren’t in favor of | |
passengers attempting this one. | |
“This is extremely dangerous,” Sara Nelson, president of the | |
Association of Flight Attendants-CWA, which represents 55,000 flight | |
attendants at 20 airlines, told CNN Travel . | |
“The seatbelt is designed to sit low and tight across your lap. This | |
is to best protect you in the event of turbulence, an emergency landing | |
or an accident. This is not only for your safety; if you are not | |
properly buckled in you will likely hurt someone else when thrown in | |
turbulence.” | |
This story first published in 2024 and was updated in July 2025. | |
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