Yes, carbonated drinks can go in checked luggage; seal tightly, cushion glass, and expect extra fizz when opening after the flight.
Carry-On Limit
Checked Bag Packing
Checked Quantity
Where To Pack
- Carry-on: 3-1-1 applies
- Checked: allowed in bottles or cans
- Duty-free: keep in STEB for connections
Placement
Domestic Vs. International
- U.S.: TSA rules apply
- EU/UK: many airports still cap cabin liquids at 100 ml
- Airline: packaging rules may vary
Regions
Container Types
- Cans: strongest seams
- Plastic bottles: flex with pressure
- Glass: needs padding and sleeves
Packaging
Checked Luggage Rules For Soda, Seltzer, And Sparkling Water
Short answer first: your fizzy drinks can ride in the hold. In the U.S., the liquids size cap only bites at the checkpoint; your checked bag has no general volume limit for nonalcoholic beverages. That means cans of cola, bottles of seltzer, and club soda are fine to pack. What matters is leak control and smart packing to protect the rest of your gear. TSA’s “What Can I Bring” page for soda says the same.
Carry-on is a different story. Unless you bought a drink after screening, the 3-1-1 rule applies to each container. At many airports outside the U.S., cabin limits still hover around 100 ml as well, even where newer scanners are rolling out. So if you want to travel with full-size bottles, the checked bag is the practical place.
Bag-By-Bag Basics
Here’s a quick matrix that compares where fizzy drinks belong and where similar liquids fit. Use it to plan what goes in your carry-on vs. your suitcase.
| Item | Carry-On | Checked Bag |
|---|---|---|
| Carbonated soft drinks (soda, seltzer, tonic) | Up to 3.4 oz per container unless purchased post-security | Allowed; pack to prevent leaks |
| Beer & wine (≤24% ABV) | 3.4 oz cap unless post-security | Allowed in retail packaging; airline weight rules apply |
| Liquor (24–70% ABV) | Small travel bottles only in cabin | Up to 5 L per person, sealed retail packaging (FAA PackSafe) |
| Dry ice for chilling | Up to 2.5 kg with airline approval & vented package | Up to 2.5 kg with labels; package must vent gas |
| Duty-free liquids in STEB | Allowed while sealed through connections where recognized | Always allowed when packed |
Why Cans And Bottles Survive The Flight
Passenger jets keep the baggage compartment pressurized and climate controlled on most routes. So your soda experiences less of a squeeze than the rumor mill suggests. What does change is agitation: handling, belts, and takeoff landings shake the container and load dissolved CO₂ with extra energy. That energy vents when you crack the cap, which is why you sometimes get a lively hiss after arrival.
Because motion, not thin air, is the main culprit, the real risk is seepage if a cap loosens or a weak seam pops. That’s easy to hedge against with the packing steps below. Do that, and carbonated cans or bottles are routine luggage items.
Packing Fizzy Drinks In Checked Bags: Rules That Matter
Think of this as two goals: stop leaks and stop breakage. Everything below builds toward those two outcomes while keeping the rules straight.
Leak Control Checklist
• Tighten caps, then add a strip of tape around the closure. • Use screw-top bottles over pop-tops when you can. • Slip each container into a sealable plastic bag; double-bag glass. • Pack upright inside a rigid sleeve, shoe box, or a padded wine bag. • Fill empty space with soft clothing so nothing rattles.
Breakage Control For Glass
Glass travels best when it never touches other hard items. Wrap each bottle in a thick layer—bubble wrap, foam, or a sweater—then into a padded sleeve. Seat bottles mid-case, away from edges and wheels.
Beer, Wine, And Hard Seltzer
Alcohol rules are separate from soda rules. Beer and wine typically fall under the same allowance as other drinks in the U.S. checked bag, but spirits above 24% ABV have quantity limits and anything above 70% ABV is banned. Pack retail-sealed bottles only, and keep in mind local import allowances at your destination. See the FAA PackSafe page for alcoholic beverages and the underlying 49 CFR 175.10.
Open It Safely After You Land
Let bottles settle upright for a few minutes before opening. Crack the cap slowly to bleed pressure, then re-tighten for a moment. If a container feels tense, chill it first; colder liquid holds CO₂ better, which tames the fizz.
Airline And Border Nuances
Airlines can add packaging rules and weight caps, and customs agencies can limit how much you bring, especially for alcohol. If you’re connecting internationally, duty-free bottles that start in your hand may need to be in a certified tamper-evident bag to stay in the cabin between checkpoints; otherwise, they should go in your suitcase before the next security screen.
Country Rules You Might Meet
• United States: your checked bag has no general liquid size cap for nonalcoholic drinks. • European Union and United Kingdom: cabin liquid limits often sit at 100 ml unless your departure airport has upgraded scanners and rules to match. • Elsewhere: policies vary; assume 100 ml for carry-on unless your airport says otherwise.
Smart Alternatives When Space Is Tight
If weight or breakage is a worry, stash flavor concentrates, powdered drink mixes, or reusable bottles and buy your soda on arrival. For gifts, ship via a store or courier that uses molded inserts. For cold packs, frozen gel packs are fine in checked bags; avoid dry ice unless you follow the airline’s label and weight limits.
Troubleshooting: What Can Go Wrong And How To Avoid It
These are the common failure modes and the quick fixes that stop them before they start.
Quick Fix Table
| Problem | Prevention | Why It Helps |
|---|---|---|
| Loose cap | Tape and bag each container | Blocks seepage under vibration |
| Glass impact | Wrap, sleeve, center of case | Prevents point loads and shattering |
| Temperature swing | Chill first; avoid hot car trunks | Cold liquid holds CO₂ better and tames fizz |
| Overpacking weight | Spread bottles across bags; weigh at home | Avoids heavy hits and fees |
| Customs surprise | Check import limits for your arrival | Prevents duty bills or confiscation |
| Leaky duty-free bag on connection | Move to checked bag before the next screen | Rules vary; the cabin limit may return on recheck |
Best Containers For Travel
Cans win for raw toughness. Seam failures are rare and dents seldom leak. PET plastic bottles come next; they flex a little as pressure swings, and a tight cap keeps them tidy. Glass looks great but needs real padding and a snug fit so it can’t rattle. If you’re choosing what to buy for the trip, pick cans or PET.
What Not To Pack: CO₂ Cartridges And Soda Makers
CO₂ cylinders for bike tires or soda makers are regulated pressure vessels. They don’t ride in bags the way a soda does. Small cartridges show up in the rules with special handling, and many are barred outright. Bring the machine, buy the gas later, or ship the cylinders through a ground carrier instead of flying with them.
Travel Day Tactics That Keep Things Clean
Before you head out, chill the drinks. Cold liquid holds gas better. Pack a spare liner bag to quarantine any surprise leaks on the return leg. At the counter, ask for a fragile tag if you’re carrying glass; it nudges handlers to stack your bag on top.
Common Myths, Quick Facts
• “Cans explode in the hold.” Not on a standard jet; the space is pressurized. • “Pressure change ruins soda.” The fizz surge comes from shaking, not the cabin altitude. • “Plastic always leaks.” A clean thread and a firm twist give great results.
If You Need Cold On Arrival
Skip dry ice unless you know your airline’s process. Gel packs are easier and don’t require labels. Freeze them solid and pack next to, not around, the bottles so air can circulate a bit. On landing, find ice at a shop and drop the drinks in a sink or cooler for a fast chill.
Step-By-Step Packing Walkthrough
1) Lay a trash bag or liner inside the suitcase as a moisture barrier. 2) Build a soft base with clothes. 3) Bag and wrap each can or bottle. 4) Stand containers upright in the center. 5) Fill gaps so nothing shifts. 6) Close and shake lightly; if you hear clinks, add padding.
Frequently Missed Fine Print
Two small gotchas trip travelers. First, partial bottles leak more than full ones—the headspace carries pressurized gas—so keep containers factory sealed when you can. Second, some destinations tax or restrict beverage imports by volume; look up your arrival rules if you’re hauling a case.
Bottom Line For Checked Soda
Cans and bottles of fizzy drinks are allowed in your checked bag. Pack for leaks, cushion for knocks, and treat carry-on as a separate rule set. Do those three things and your soda arrives ready to chill. If anything leaks, tell the baggage desk before customs. Photos help claims staff see you packed well properly.