Can You Bring Saline Solution on a Plane?
Category: Medication & Health
Yes — you can bring saline solution on a plane in your carry-on luggage. Bottles over 100 ml prohibited at checkpoint.
Verified against published 2026 TSA (United States) & CATSA (Canada) security screening databases.
On this page · 9 sections
⚖️ Why This Rule Exists: Statutory Medical Safeguards & 14 CFR Part 382 Accessibility Protections
Under federal aviation law and disability access regulations, medically necessary items, prescription pharmaceuticals, assistive equipment, and life-supporting supplies are granted explicit exemptions from standard baggage quotas and liquid volume limits to protect passenger health during travel.
Rules by security authority
United States — TSA
Carry-on
Yes
Yes — saline solution is allowed in carry-on bags through TSA checkpoints.
Checked bag
Yes
Yes — allowed in checked luggage.
Flying internationally? Security follows the country you depart from — the authority above applies at your departure airport. Customs at arrival is separate.
🔍 Security Checkpoint & X-Ray Screening Advice
Declare prescription liquids, CPAP machines, and injection supplies to the screening officer before screening starts. Keep medications in a separate pouch for rapid visual inspection.
Learn more about scanner differences and traveler rights in our Airport Security Screening Guide →
⚠️ Common Traveler Mistake to Avoid
How to Avoid It: Always keep all prescription medications and critical health supplies in your personal item under the seat.
How to Pack Saline solution for a Flight
Saline solution on a plane — FAQs
Can you bring Saline Solution in a carry-on?
Yes — saline solution is allowed in carry-on bags through TSA checkpoints.
Can you pack Saline Solution in checked luggage?
Yes — allowed in checked luggage.
Why are there rules for saline solution on a plane?
Under federal aviation law and disability access regulations, medically necessary items, prescription pharmaceuticals, assistive equipment, and life-supporting supplies are granted explicit exemptions from standard baggage quotas and liquid volume limits to protect passenger health during travel.
Can I bring saline solution on a plane in Canada and the US?
CATSA: Yes — saline solution is allowed in carry-on baggage through Canadian security checkpoints. In checked bags: Yes — allowed in checked baggage with proper packaging.
Last verified:
Verified against official sources. Rules change — for high-stakes items, confirm with your airline and the screening authority. Our verification method →