VivaAerobus allowance at a glance
| Bag | Maximum size | Maximum weight | Notes |
|---|---|---|---|
| Carry-on | 16x10x22 in40x25x55 cm | 22 (Light, single piece); 33 combined for 2 pieces on Smart lb10 (Light, single piece); 33 lb combined for 2 pieces on Smart kg | Light fare includes 1 carry-on piece at 22 lb / 10 kg. Smart fare includes 2 pieces totaling 33 lb; no published per-piece weight for the second bag. |
| Personal item | 18x14x8 in45x35x20 cm | No stated limit | Included free on every fare, including Light. |
| Checked bag | 62 in158 cm | 33 (Extra fare); 55 (Smart fare); 71 max including any paid extra weight lb15 (Extra fare); 25 (Smart fare); 32 max including any paid extra weight kg |
This page goes deeper on one part of the policy. The full record is at VivaAerobus Baggage Rules.
Viva Aerobus caps every carry-on at 22 lb (10 kg), and it means it. That single number drives the whole Viva Aerobus carry-on size story. Most US budget carriers only measure a cabin bag; this one puts it on a scale too.
The box itself is 16 x 10 x 22 inches, or 40 x 25 x 55 cm. Wheels and handle are included. It applies across Light, Extra and Smart fares alike, per the carrier’s own baggage policy page.
Note the shape. It is narrower side to side than the familiar US 22 x 14 x 9 box, but taller, so a bag built for American gate sizers does not automatically fit this one.
The site’s Viva Aerobus baggage rules overview covers the checked side of the airline in full. This page goes deeper on the cabin bag and the personal item only.
Weight is the part travelers miss
Plenty of US low cost carriers only check that a carry-on fits the metal frame at the gate. Viva Aerobus checks both the frame and the scale. Twenty two pounds is not generous once a laptop and a charger brick go in.
A heavy but empty hardside shell already eats into that allowance before anything gets packed. This is where a Viva Aerobus carry-on size check should start, not the linear dimensions.
What the fare buys
Light fare includes the personal item and one carry-on piece at the standard 22 lb cap. It comes with no checked bag included.
Extra fare adds one checked bag up to 33 lb (15 kg). Smart fare raises the cabin side to two carry-on pieces, 33 lb combined, plus the checked bag up to 55 lb (25 kg).
Viva Aerobus does not publish a fare above Smart. Treat Smart as the top of the ladder for now.
That two piece Smart allowance is easy to misread as two full size carry-ons. It is really one combined weight budget with no published per bag cap. Pack the heavier item into the primary piece and keep the second light.
Check the carrier’s Viva Aerobus baggage fees page before booking. It shows what upgrading a fare costs against paying for extra weight or a checked bag on its own.
The personal item is free on every fare
The personal item measures 18 x 14 x 8 inches (45 x 35 x 20 cm). It rides free on Light, Extra and Smart alike. That matters on a carrier that weighs the cabin bag itself.
A soft bag that compresses under a seat gives more room to shift weight out of the carry-on. See the site’s own personal item versus carry-on guide for how that tradeoff plays out on any ULCC.
What happens at the gate
The carrier’s own language is blunt: a bag over 22 lb ‘will have to check it.’ That is the official policy line, not a gate anecdote.
Other ultra low cost carriers in this class run their gates the same way. An oversize or overweight bag usually goes straight to the hold, not to a fee negotiation at the jet bridge.
Run the size checker tool against the 16 x 10 x 22 inch box before a trip. Viva Aerobus does not publish a separate gate fee schedule.
Compare that to Volaris, another Mexican low cost carrier with its own tight weight allowance. Frontier weighs carry-ons less consistently but still charges heavily for a bag that will not fit.
Viva Aerobus publishes no gate fee schedule and no station by station enforcement policy, so neither is stated here. The site’s gate check and sizers guide covers how these devices work in general.
Bags that fit the box and the scale
The weight cap does more work here than the dimensions do. For a Viva Aerobus carry-on size check, the right bag is the lightest one that still clears 16 x 10 x 22 inches with wheels and handle attached.
| Bag | Maker’s overall size | How it sits against the box |
|---|---|---|
| Samsonite Freeform 21 inch hardside | 21 in class, hardside, Samsonite’s lightest carry-on line | An empty shell this light leaves more of the 22 lb cap for what actually gets packed. |
| Kenneth Cole Reaction Out of Bounds 20 inch | 20 inch hardside, an inch shorter than most carry-ons | The shorter frame gives margin against a 22 inch high box that some standard bags run right up against once wheels count. |
| Travelpro Maxlite 5 21 inch softside | 21 inch softside spinner, built for weight capped airlines | Keep the expansion zip closed. Reviewers who unzip it past the standard profile say it stops clearing strict sizers. |
| Osprey Ozone 2-wheel 40L | 40 liter two wheel soft carry-on with a detachable daypack | Lighter than a comparable spinner by a full pound, which matters more here than on a carrier that only measures. |
On the personal item side, Narwey’s personal item bag is built to the 18 x 14 x 8 inch box directly. It squashes flat under a seat when the sizer is tight.
A Wrangler Smart Spinner 22 inch built for the US 22 x 14 x 9 box is worth weighing first. Its empty shell alone can eat a third of the 22 lb cap.
A digital luggage scale earns its keep on this route more than on most US domestic carriers. Weigh the bag at home with a luggage scale rather than finding out at the gate that it runs two pounds over.
The bottom line
Viva Aerobus carry-on size comes down to two numbers that both matter: 16 x 10 x 22 inches and 22 lb, checked at the gate rather than assumed. Pack light and weigh the bag before leaving home. Use the free personal item allowance for the overflow instead of pushing the carry-on over its cap.
Common questions
How big can a Viva Aerobus carry-on be?
A Viva Aerobus carry-on can be up to 16 x 10 x 22 inches (40 x 25 x 55 cm) and up to 22 lb (10 kg), the same on Light, Extra and Smart fares.
Does Viva Aerobus weigh carry-on bags?
Yes. Unlike many US low cost carriers, Viva Aerobus states a 22 lb cap on the cabin bag itself, and a bag over that weight has to be checked.
Is the personal item free on Viva Aerobus?
Yes. The personal item, up to 18 x 14 x 8 inches (45 x 35 x 20 cm), is included free on every fare, including Light.
What is different about the Smart fare carry-on allowance?
Smart fare allows two carry-on pieces with a combined weight of 33 lb, rather than the single 22 lb piece on Light and Extra.
What happens if a Viva Aerobus carry-on is over the weight limit?
The carrier’s own policy states an overweight carry-on has to be checked rather than carried into the cabin.
Does Viva Aerobus charge extra for gate check on an oversize bag?
The carrier does not publish a separate gate check fee schedule on the pages available, so travelers should check current pricing directly with Viva Aerobus before flying.
Some links on this page are Amazon affiliate links. If you buy through one, Carry On Sizes may earn a commission at no extra cost to you. It never changes what we recommend. How this works.