How Do Earplugs Help with Airplane Pressure? | The Filter Inside

If you’ve felt your ears pop or ache on a flight, you know the discomfort of cabin pressure changes. The fix for how earplugs help with airplane pressure isn’t magic—it’s a tiny built-in filter. Unlike the foam plugs you might use for sleep, these specialized earplugs contain a ceramic or similar filter that regulates how fast pressure reaches your eardrum, giving your Eustachian tube time to catch up. That slower change is what prevents the painful pressure build-up during takeoff and landing.

What Makes an Earplug Pressure-Regulating?

Standard foam earplugs block sound but do nothing for pressure. The difference lies in the filter. EarPlanes Original Earplugs, for example, include what the manufacturer calls a CeramX filter, described as a “unique earplug with a filter for air pressure changes.” This filter is the key component; it directly addresses the question of how earplugs help with airplane pressure.

The filter works by slowing the rate at which cabin pressure changes reach your eardrum. This gives your Eustachian tube—the passage that equalizes pressure between your middle ear and the environment—more time to do its job. The result is less pain and a more comfortable flight, especially during the rapid pressure shifts of ascent and descent.

It’s important to note that these products are designed for air travel pressure changes, not general hearing protection. The pressure-regulating function depends entirely on the built-in filter, a feature ordinary foam earplugs lack.

When Should You Put Them In?

Timing is critical for these earplugs to work. For takeoff, insert them before the plane starts moving if you’re prone to ear pain on ascent. For landing, the official instructions from SANOHRA fly—another pressure-regulating brand—recommend inserting them no later than 45 minutes before landing. Don’t wait for the pilots’ announcement; it can be too late to prevent discomfort.

After takeoff, you can remove them once the pressure has stabilized. SANOHRA’s instructions suggest waiting about 30 minutes. A key exception: on flights under two hours, they recommend wearing the earplugs for the entire flight, as the pressure changes may not fully settle. If you want to see which models other travelers and our team rate highest, our roundup of the best earplugs for flying breaks down the top picks.

Getting the Fit and Removal Right

Proper fit and removal are essential to getting the full benefit. Follow these steps from the manufacturer instructions to ensure the earplugs work as intended.

• Insert the earplug before takeoff (or before descent if you experience pain only on landing).
• Once inserted, support your Eustachian tube by chewing, swallowing, and yawning during the flight. This natural action helps the pressure equalize faster.
• When the flight is over and you’re ready to remove them, lift your outer ear and pull the plug out with a slight rotating motion—never jerk it out quickly.

You’ll know you’ve inserted them correctly if the plug feels snug and seated in your ear canal.

Are There Any Limitations?

While effective, these earplugs aren’t a one-size-fits-all cure. They work best for people with healthy Eustachian tube function. If you have a cold, congestion, or a sinus infection, the pressure-regulating filter may not be enough, as the underlying tube may be too swollen to equalize properly. In those cases, you may need to consult a doctor before flying.

SANOHRA’s instructions also note that the earplugs should be assembled, adjusted, and maintained in accordance with the manufacturer’s instructions to ensure they function correctly. Checking that the filter is clean and unobstructed before each flight is a good habit.

This can be helpful if you forget to wear them or are unsure about the right time to insert them.