Can You Bring Pepper Spray on a Flight?

International and Domestic Rules

Veronica Hanson
10 min readOct 31, 2023

Many female globetrotters, like us, often consider pepper spray as a necessary self-defense tool. But here’s the burning question (pun intended!): Can you bring pepper spray on an international flight? With varying rules from the Transportation Security Administration (TSA) to individual airlines and even other federal governments, it can get a tad confusing. So, let’s uncover the ins and outs of taking our tactical personal safety items abroad.

An image of an airport security personnel and a can of pepper spray, two images for the question of “Can you bring pepper spray on an international flight?”
Airport security is strict on specific self-defense belongings.

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Can You Bring Pepper Spray on an International Flight?

Every savvy traveler understands the importance of safety while abroad. But when it comes to carrying self-defense items like pepper spray on international flights, the overlapping jurisdictions can be confusing.

While the use of pepper spray is recognized for its safety benefits, can you bring pepper spray on an international flight?

Differences Between Domestic and International Flights

Domestic flights, governed by the TSA rules, have explicit guidelines about carrying 4 ounces of pepper spray in checked baggage.

But international travel? That’s a different ball game. Different countries have different rules, and what’s accepted on a domestic flight might lead to trouble at an international airport security customs checkpoint.

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An image of a TSA personnel checking on a passenger.
A TSA personnel doing security checks

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Understanding Destination Country Regulations

When pondering whether to bring pepper spray on your international journey, it’s paramount to understand your destination country’s stance on such items.

Some countries might view pepper spray as a flammable liquid or hazardous material, leading to potential confiscation or, worse, legal ramifications.

Potential In-Flight Issues

Even if you’ve packed your pepper spray in your checked-in luggage following TSA guidelines, the plane’s cabin pressure changes could make certain aerosol sprays, like pepper spray, explode.

This situation not only risks damaging your valuable items but could also incur additional charges from the airline.

Pro Tip: Check the Airline’s Guidelines

Always remember airlines might have their own set of guidelines on any defensive weapon or dangerous items like razor blades or a lighter.

It’s a good practice to check the airline’s website or call their customer service before flying. This small step can prevent inconvenience at the airport and ensure your travel remains as smooth as your flight.

Considering TSA’s Stance on Pepper Spray

Every traveler’s priority is to reach their destination without airport security hitches. The Transportation Security Administration (TSA) plays a pivotal role in ensuring flight safety in the US.

If you’re considering flying with pepper spray, understanding the TSA rules or guidelines is always a good idea. They provide explicit rules regarding what you can and cannot bring aboard.

Pepper Spray in Your Carry-On

If your first thought is to slide that pepper spray canister into your carry-on luggage for quick access, think again. TSA regulations prohibit passengers from keeping self-defense sprays, including pepper spray, in their carry-on bags. The primary concern? Accidental discharge in the plane’s cabin, causing potential chaos and health risks. There are no travel-size pepper sprays that would be allowed in a carry-on bag.

An image of a man aiming a can of pepper spray.
Pepper spray for self-protection.

Storing Pepper Spray in Checked Luggage

So, can you pack your pepper spray in your checked luggage on a domestic flight? Yes, but with conditions.

TSA allows one 4-ounce container of pepper spray (with less than 2% mass of tear gas) in checked baggage. This means your canister can be a maximum of 118ml amount of liquid.

However, the canister must include a safety mechanism to prevent accidental discharge.

Why the Restrictions?

The reasons behind TSA’s stringent rules are straightforward: ensuring the safety of all passengers and crew members.

Accidental discharges of pepper spray in the small space of an airplane can lead to significant discomfort, intensifying medical conditions, and even an emergency landing.

Pepper Spray Regulations by Popular Airlines

Alright, savvy traveler, while TSA has given its two cents, individual airlines also chime in with their own rules.

Sometimes, it feels like each airline has its mini-universe of regulations! But don’t fret, we’re here to break down the pepper spray policies of some of the most flown airlines.

Alaska Airlines

The northern charm of Alaska Airlines is undeniable, but how flexible are they when it comes to personal safety items?

Checked Luggage: No different rules here. Alaska Airlines allows a 4-fluid-ounce container of pepper spray in your checked-in baggage as long as it has a recessed button or safety mechanism.

Carry-on Luggage: Bear spray, mass of tear gas, stun guns, or your favorite pepper spray — all are a no-go in your hand luggage on Alaska Airlines.

Side Note: With international travel, if your final destination is outside the U.S., it’s best to look into their guidelines. Different countries have different rules, and the final decision rests with airport security at your final destination.

American Airlines

When it comes to American Airlines, one of the giants in the industry, they’re all about safety first. For those of you loyal to this airline, here’s what you need to know:

Checked Baggage: Good news! American Airlines allows pepper spray in your checked luggage. But remember, the canister should be no more than 4 fluid ounces and must include a safety mechanism to prevent any mid-flight surprises.

Carry-on Bags: No-go zone here! American Airlines echoes the TSA guidelines, which means you can’t have pepper spray in your carry-on baggage. It is always best to double-check your hand luggage before heading to the airport.

An airport security personnel running a check for any hidden weapon or banned belongs from a passenger.
Airport security ensures that passengers are not carrying illegal items

Delta Airlines

Delta Airlines — our favorite American-based airline. But when packing for your next Delta flight, what do you need to know about their pepper spray regulations?

Checked Luggage: Delta, like its counterparts, gives a thumbs up for pepper spray in checked luggage. As always, keep it in a 4-ounce container with that essential safety mechanism in place.

Carry-on Luggage: Here’s your reminder — keep that pepper spray out of your carry-on baggage when flying with Delta. The TSA security checkpoint won’t be a breeze if they spot it in your hand luggage.

Traveler’s Tip: With many exotic destinations on their roster, ensure you know about the general laws of your final stop. Some places might consider even knitting needles or baseball bats as potential threats!

Hawaiian Airlines

Hawaiian Airlines, with its tropical vibes, also puts safety first. Here’s how they handle pepper spray and other self-defense weapons:

Checked Luggage: Following the trend, Hawaiian Airlines lets you pack that 4-fluid-ounce pepper spray in your checked-in baggage, ensuring it’s equipped to avoid accidental sprays.

Carry-on Luggage: Keep the aloha spirit alive. Ensure your carry-ons are free from pepper spray and similar items to avoid hiccups with TSA agents or airline security officers.

JetBlue

JetBlue, known for its enticing in-flight snacks and entertainment, has clear guidelines regarding security items and self-defense tools. Here’s the 411:

Checked Luggage: JetBlue aligns with the consensus: pepper spray canisters of up to 4 fluid ounces are allowed, but only in checked-in luggage. Make sure it’s equipped with a safety mechanism to prevent unintentional bursts.

Carry-on Luggage: It’s unanimous across airlines: keep your pepper spray away from the plane’s cabin. JetBlue also adheres strictly to the TSA pepper spray rules for carry-ons.

Quick Reminder: JetBlue flights have their nuances. To be safe, consult the airline’s website for the latest on what defensive weapons or self-defense items are permitted.

Southwest Airlines

Southwest Airlines, with its quirky branding and fun flight attendants, is another favorite for many. But when it comes to pepper spray, what’s their stand?

Checked Luggage: Southwest also gives the green light for pepper spray in checked baggage. However, ensure it’s a maximum 4-ounce container or with a safety mechanism.

Carry-on Luggage: Once again, it’s a firm no. Keep that pepper spray out of your carry-on items and hand luggage. It’s essential to avoid any hiccups during the TSA security checkpoint.

A family of travelers submitting their belongings to an airport security guard for thorough checks.
Travelers ensuring they are not carrying any restricted items

United Airlines

United Airlines, another big player in the skies, has its stance on packing pepper spray. If United is your chosen carrier for that international flight or domestic hop, here’s the scoop.

Checked Luggage: You guessed it! United Airlines also follows suit, allowing a pepper spray canister of up to 4 fluid ounces in your checked baggage. And don’t forget, it’s crucial to ensure your spray has that safety mechanism to guard against accidental discharge.

Carry-on Luggage: pepper spray is a no-go in your carry-on bags with United. It’s a standard rule across the board, and United Airlines aligns with TSA guidelines.

Heads Up: United Airlines often updates its hazardous material guidelines. It’s always a smart move to swing by their official site before jet-setting to your next destination.

Alternatives to Carrying Pepper Spray on an International Flight

Your globetrotting ventures are exciting, but safety should never take the backseat. While pepper spray is a trusted companion for many on domestic flights, international travel is based on your final destination country.

So, what alternatives ensure personal safety without putting you in a tight spot at international airport security or violating another countries laws?

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Personal Alarms

Steering clear from sharp objects or potential flammable liquids, personal alarms are a great way to draw attention in sketchy situations.

Compact, often fitting in small spaces like a coin purse, these emit high-decibel sounds when triggered. No worries about FAA regulations or how much pepper spray you have.

Safety Whistles

Akin to the personal alarm, but without batteries, safety whistles can be a lifesaver. Not only do they not be an issue with security, but they also take up minimal space and are completely devoid of liquid.

The is best way to pack a safety whistle is to keep it within reach at all times. Never be too embarrassed to call attention to creeps or predators.

Self-Defense Keychains

While you might still need to pack spiked keychains in your checked luggage, at least you won’t have issues bringing them in through international customs.

From spiked versions to blunt-ended tools, they’re designed to give you an advantage in tight situations without the potential risks of having too much liquid in your pepper spray container.

A man depositing all belongings from his pocket along with his belt to ensure he clears the security check.
A common security check at the airport

Flashlights with Strobe Mode

Don’t underestimate the power of intense light powered by lithium batteries. Flashlights with strobe modes can disorient attackers, giving you those crucial seconds to flee or alert someone.

They’re especially useful in places where the liquids rule is stringent or when flying airlines like Frontier Airlines with strict regulations.

International Governments Get the Final Word

Traveling the world is an enriching experience, but safety remains paramount. While pepper spray is an excellent self-defense tool for domestic flights, international governments get the final word.

Now you know that sometimes you can bring pepper spray on an international flight, assuming your destination country allows it.

However, numerous alternatives ensure you’re less vulnerable, regardless of destination. From personal alarms to spike keychains, there’s an arsenal of options at your disposal. So, the next time you’re prepping for an international journey, remember safety isn’t just about pepper spray.

Safe travels!

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For more content about getting on planes using points and miles, head over to my main blog Nomad Veronica. I teach families how to become minimalists, use points to pay for travel, and live as full-time slow travelers.

Heads up: We teamed up with AI to bring you this post, but our human squad made sure everything’s on point.

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Veronica Hanson

I teach moms to ditch their possessions, earn remote income 💸 and slow travel the world 🌏 ✈️ http://www.nomadfamily.club