International Maximum Carry-On Bag Size and Weight Limits 6


With airlines increasingly charging for checking a bag on your flight, it’s become common for many people to fly with only a carry-on bag. If you’re one of them, and looking to get the largest carry-on bag you can to avoid checking luggage, you need to consider what airlines you’ll be flying and whether your bag will qualify for carry-on or not.

The generally accepted maximum carry-on bag size in the U.S. is 22″ x 14″ x 9″ (55.88cm x 35.56cm x 22.86cm) or 45″ linear inches (length + width + height). While this rule holds for most domestic carriers in the United States, it doesn’t apply when you look at airlines worldwide because each airline sets their own carry-on baggage restrictions.

For instance, if you ever plan on taking your carry-on bag through Europe, you should know that the popular budget airline Ryanair has a size limit of 55cm x 40cm x 20 cm or 21.65″ x 15.75″ x 7.87″. Air China has the same bag size restrictions. That last figure, measuring the depth of your bag, is over 1.1 inches less than the standard 9″ limit for depth. Lufthansa is more lenient with a 55 cm x 40 cm x 23 cm carry-on size restriction.

Alitalia lists their maximum carry-on bag size as 55cm x 35cm x 25cm or 21.5″ x 13.78″ x 9.8″.

When you piece all these different baggage restrictions together, the result is that if you want a carry-on bag that will “fly” with all major airlines worldwide, you want a bag with a the following measurements:

Maximum Height: 21.65″ / 55.0cm
Maximum Width: 13.78″ / 35.0cm
Maximum Depth: 7.87″ / 20.0cm

Note that there are exceptions to the above.

Etihad has a shorter maximum length then most airlines at 50cm x 40cm x 25cm or 19.68″ x 15.75″ x 9.84″.

Virgin Australia really violates the standard carry-on bag size with maximum dimensions of 48cm x 34cm x 23cm or 18.9″ x 13.39” x 9.05″ on domestic and even international short haul flights (they’re more lenient with long haul international flights). This is also one airline that limits your maximum carry-on weight to just 7kg or 15.4lbs (more on that below).

If you’ll be flying any smaller, regional airlines, you should check to see if they don’t have similar restrictions that might force you to check your bag and negate any savings over the larger airlines.

If your carry-on bag is soft, such as backpack or duffel bag, but with slightly larger dimensions, chances are you can still squeeze it into the baggage templates you see laying around airport check-in lines – even if it means taking out a sweater and putting it on if your bag is stuffed to the max. If your bag is of the hard, wheeled variety, you may be out of luck and forced to check your bag – and pay any required fee. If you’re looking for a new bag, consider a soft-sided bag close to the above dimensions when looking at the product specifications – in particular the maximum depth of 7.87″ or 20cm. 8″ should be fine as long as it’s a soft bag, but this is still an inch less than the standard of 9″, so if you get a bag that measures 9″ in depth, you may run into trouble if your bag is stuffed to the max.

In addition to your bag’s size, you also need to be aware of its weight. Low weight restrictions are becoming increasingly common and I just recently flew an airline that actually enforced it (and didn’t even measure my bad size). The most restrictive airlines when it comes to carry-on bag weight are Air China, Alitalia, Kuwait Airways and Malaysia Airlines, with a carry-on bag weight limit of just 5kg (11lbs). This is followed by Air Berlin, Icelandair, LOT Polish Airlines and Virgin Atlantic at 6kg (13.2lbs), then Air New Zealand, Emirates, Eva Air, Garuda, Qantas, Virgin Australia, Singapore Airlines and Thai Airways at 7kg (15.4lbs). This is another good reason to use a soft duffel bag or backpack as rolling luggage tends to start at 7 or 8 pounds in weight, leaving you with just 3 or 4 pounds of leeway for your own stuff, which simply isn’t enough. A standard laptop would easily put you over that weight limit. A typical carry-on backpack, however, is generally around 3 to 4 pounds, giving you a fighting chance of keeping your carry-on bag under even a strict weight limit. (Check out The Best Carry-On Backpacks.)leaving you with around  pounds for your clothing and everything else

If you’re bringing a laptop, many airlines will allow you to carry it on board as a separate “personal” item, like a purse, which will go underneath the seat in front of you. Airlines have varying rules for this as well and some allow only your carry-on bag and no personal item, including Alitalia, Austrian Airlines, EasyJet, El Al, Olympic, Ryanair, SAS, South African Airways and Thai Airways. With these airlines, you’ll have to stuff your laptop or purse in with your carry-on bag and hope you don’t go over the carry-on bag weight limit (which would be especially difficult with Alitalia’s 11 pound limit).

Remember, these rules are always subject to change, so it’s always a good idea to check the airline’s baggage rules before you book your ticket.


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6 thoughts on “International Maximum Carry-On Bag Size and Weight Limits

  • Robyn

    Lufthansa now lists their carryon luggage measurements as 55cm X 40cm X 23cm. This was as of Feb 6, 2013.

  • SI

    There are still airlines, like Etihad, that limit the total length to 20″, which is 50 cm, in addition to Flybe, Virgin and Go, which you mention. The other dimensions you list are great.

    I think the safest bet is to find a carry-on as follows (I combined your measurements with mine).

    Maximum Height: 19.68? / 50.0cm
    Maximum Width: 13.78? / 35.0cm
    Maximum Depth: 7.87? / 20.0cm

  • gaiageek Post author

    SI, thanks for pointing out the dimensions for Etihad. I’ve added them to the list of exceptions. It turns out that Flybe increased their carry-on dimensions and are now in line with the 55cm x 35xm x 20cm standard, and the Hawaii-based Go airlines no longer exists, so mentions of them were removed completely. This just makes Etihad and Virgin Australia stand out more as exceptions to the standard.