Sleep health education
Travel With CPAP: Canadian Flying Guide
Quick answer
You can travel with CPAP by planning for transport, screening, power, water, replacement supplies and continued therapy. For flights departing from Canada, CATSA permits CPAP and bilevel devices in carry-on or checked baggage and provides specific screening instructions. Your airline—not the security checkpoint—sets its own baggage, onboard-use, advance-notice and battery requirements, so confirm those details before departure. Air Canada and Porter carry CPAP machines in addition to your normal baggage allowance at no charge, Air Canada asks for at least 48 hours’ notice to use one on board, and lithium batteries of 100 Wh or less can go in your carry-on.
Start with a travel-specific CPAP checklist
Review this list several days before departure rather than while packing:
Do not change prescribed pressure or other clinical settings to prepare for altitude, a flight or a different machine unless a qualified provider directs the change.
Flying from a Canadian airport
CATSA identifies CPAP and bilevel devices as permitted medical items. At a conventional X-ray screening line, the main electronic unit is generally removed from its case and placed in a bin; CATSA recommends putting it in a clear plastic bag that you provide. Tubing and the mask can remain in the case. At screening lines using newer CT equipment, medical devices may be allowed to remain in the carry-on. Follow checkpoint signs and the screening officer’s directions because equipment differs by airport and line.
CATSA also states that distilled water required for a respiratory device is medically necessary and exempt from the standard 100 mL liquid restriction. It must be presented for inspection when carried separately. Rules at the return airport may differ, so check the security authority for every departure point—not only Canada.
Flying to the United States
The U.S. Transportation Security Administration (TSA) allows CPAP machines in carry-on bags. The device may stay in its case for X-ray screening but you may be asked to remove it; the mask and tubing can stay in the case. Liquids used with these devices are exempt from the 3-1-1 liquids rule in reasonable quantities, and lithium batteries must be in your carry-on (TSA).
Carry-on allowance and airline rules are separate questions
Security permission does not answer whether a medical-device bag counts toward an airline’s carry-on allowance. The Canadian Transportation Agency advises travellers to carry medicines and medical devices onboard and to check the carrier’s tariff or contact it for baggage rules and special requests. Ask the airline directly:
Save the airline’s written response or policy page for the trip. Never assume an electrical outlet shown on a seat map will work, provide adequate power or be permitted for medical-device use.
Federal accessibility regulations require large carriers to let passengers bring on board and keep any small assistive device they need during travel, and they cannot charge for services the regulations require (Accessible Transportation for Persons with Disabilities Regulations). Here is what the three largest Canadian carriers publish:
Sources: Air Canada, WestJet, Porter baggage and Porter medical devices. ResMed suggests asking the airline at least two weeks before you fly. Policies change, so confirm with the operating carrier for each trip, including codeshare flights.
- Does the CPAP case count toward my cabin-bag limit?
- Must I provide advance notice or a medical-device form?
- May the device be used during this specific flight and seat assignment?
- Is seat power available, and may it be used continuously?
- What battery chemistry, capacity, labelling and spare-battery rules apply?
- Does the policy differ on a codeshare flight operated by another carrier?
Batteries and power: verify the exact equipment
Read the input range on the manufacturer-approved power supply and the instructions for the exact machine. A plug adapter changes the plug shape; it does not convert voltage. Do not connect the machine to an unverified inverter, extension, battery or solar system.
Lithium-battery transportation rules depend on battery capacity, installation, quantity, terminal protection and carrier approval. Find the watt-hour rating on the battery or calculate it only from manufacturer documentation. Spare batteries normally belong in carry-on baggage with terminals protected, but the airline must confirm what it accepts. A battery marketed for CPAP is not automatically approved for every aircraft or carrier.
Source: CATSA battery guidelines. Transport Canada advises that spare lithium batteries never go in checked luggage (Transport Canada). Tape the terminals or keep each spare in its own bag. Common CPAP travel batteries are sized to fit under the 100 Wh limit, for example the 98 Wh Medistrom Pilot Flex and the 95 Wh Pilot-24 Lite.
For road trips, recreational vehicles, cottages or camping, confirm whether the machine supports the planned DC or battery system and estimate power needs with humidification and heated tubing considered. Those features can materially change battery runtime: Medistrom’s runtime estimates assume humidification and heated tubing are turned off (Medistrom), and ResMed DC converters let many machines run from a 12 V or 24 V source in a car, boat or RV (ResMed). Use only manufacturer-supported connections and keep the device dry, ventilated and stable.
Most CPAP power supplies, including those for the ResMed AirMini and Yuwell Pocket S, are rated 100 to 240 volts, so abroad they generally need only a plug adapter. Confirm the rating on your own power supply label.
Pack the complete therapy system
Use a protective case and keep the machine, power supply, mask, tubing and at least essential small components together. Consider packing a compatible cushion, filter or connector if a failure would be difficult to replace. Do not rely on a destination store having the exact model or part.
Before leaving, inspect the cord, chamber, tubing, cushion and headgear. Label the case with contact information without displaying unnecessary health details. Keep the serial number, prescription and a photo of the equipment labels somewhere separate from the machine.
Humidification, water and cleaning while away
Empty the humidifier chamber before moving the machine—even between hotel rooms. Water entering the device can damage it. Do not use a water humidifier on the plane, where turbulence can spill water into the machine; waterless humidification such as the ResMed AirMini HumidX can be used on planes (ResMed). Follow the machine manual for the type of water to use. CATSA’s distilled-water exemption addresses Canadian screening; it does not guarantee availability at the destination or replace the manufacturer’s instructions.
Wash components only as directed and let them dry away from contamination and direct heat. Do not add essential oils, fragrance, alcohol or improvised cleaners to the chamber, tubing or filter. Review How to Clean CPAP Equipment Safely for the regular process.
Documents and travel insurance
- CATSA does not require medical documentation for a CPAP, but carry a copy of your prescription and a doctor’s letter confirming your need for therapy, as ResMed recommends.
- If you plan to use CPAP on board, carry the manufacturer’s FAA compliance letter or statement for your device.
- Your provincial health plan may not cover you outside your province or outside Canada. The Government of Canada recommends buying travel insurance and getting written confirmation that pre-existing conditions are covered (travel.gc.ca).
Crossing time zones
Continue therapy whenever you sleep, including naps, according to clinical direction. Set the device clock only as the manufacturer instructs; changing time zones can affect how nightly data are grouped without changing the therapy itself. Avoid changing pressure because the destination is at a different altitude. If the manual describes altitude compensation or restrictions, follow those device-specific instructions and ask the provider when the destination falls outside them.
Travel can also change bedtime, alcohol use, congestion and sleep duration. If the main challenge is schedule adjustment, use the circadian rhythm guide alongside the CPAP plan.
Should you buy a travel CPAP?
A smaller device may reduce luggage and simplify battery use, but travel models can differ in humidification, noise, data connectivity, mask compatibility, accessories and support. Confirm that the device is licensed for sale in Canada, appropriate for the prescribed therapy and supported after purchase. See our travel CPAP machines for a side-by-side comparison of the ResMed AirMini and Yuwell Pocket S, and compare therapy modes and practical features in the CPAP machine comparison before treating size as the only criterion.
If switching between a bedside and travel machine, confirm the correct prescription configuration and bring the mask and accessories actually compatible with the travel model. Do not copy settings from an app or another machine without appropriate review.
If equipment is lost, damaged or stops working
Do not attempt electrical repairs or substitute an unverified power supply. Record the error message, circumstances, machine and power-supply model, and contact the equipment provider or manufacturer. Ask the treating provider what to do if therapy will be interrupted; urgency depends on the individual and the reason PAP was prescribed.
For mask, leak or comfort problems away from home, avoid tightening the headgear repeatedly or changing pressure. Use CPAP Troubleshooting and CPAP Mask Leaks for safe first checks.
Medical disclaimer
This content is educational and does not replace assessment, prescription, manufacturer instructions, airline requirements or advice from a licensed healthcare provider.
ResMed, AirMini and HumidX are trademarks of ResMed Ltd. or its affiliates. Other product names are trademarks of their respective owners. Virtual Sleep Care is not currently an authorized ResMed retailer and does not sell ResMed products. ResMed products and guidance are referenced for independent educational information only, which does not imply affiliation with or endorsement by ResMed.