Which has the bigger carry-on allowance, KLM or Wizz Air?

KLM: 55 × 35 × 25 cm (21.7 × 13.8 × 9.8 in), up to 12 kg (26.5 lb). Wizz Air: 55 × 40 × 23 cm (21.7 × 15.7 × 9.1 in), up to 10 kg (22 lb). Wizz Air allows the larger bag.

Where do KLM and Wizz Air fly from?

KLM's main hubs are Amsterdam (AMS). Wizz Air's are Budapest (BUD). The better pick is often whichever flies nonstop from your airport.

Are KLM and Wizz Air partners?

They aren't in the same alliance (KLM: SkyTeam; Wizz Air: none), so miles and status generally don't transfer between them.

KL vs W6 · 2026 comparison

KLM vs Wizz Air

Q: Do KLM and Wizz Air include a carry-on on basic economy?

KLM: The Basic fare on short-haul routes includes only a small under-seat bag. Light fares include a cabin bag but no checked bag. Wizz Air: The Basic fare includes only the under-seat bag.

KLM wins on a carry-on on its cheapest fare, a more generous carry-on weight limit and cheaper checked bags; Wizz Air wins on a bigger carry-on and a bigger personal item. Here's how they compare on bags, fees, comfort, reliability and loyalty.

Verified Oct 17, 2026By Steven MoHow we check Report a correction

KLM

Wins 3 categories

A carry-on on its cheapest fare
A more generous carry-on weight limit
Cheaper checked bags

Wizz Air

Wins 2 categories

A bigger carry-on
A bigger personal item

Quick verdict

KLM wins on a carry-on on its cheapest fare, a more generous carry-on weight limit and cheaper checked bags; Wizz Air wins on a bigger carry-on and a bigger personal item. Check the cheapest fare's bag rules before you compare prices.

Carry-on size: KLM: 55 × 35 × 25 cm · Wizz Air: 55 × 40 × 23 cm
Carry-on on the cheapest fare: KLM: Not on some basic fares · Wizz Air: Costs extra on basic fares
First checked bag (regular economy): KLM: 1 free bag · Wizz Air: $23–$68

Side by side

	KLM	Wizz Air
Bags
Carry-on size	55 × 35 × 25 cm	55 × 40 × 23 cm
Carry-on on the cheapest fare	Not on some basic fares	Costs extra on basic fares
Carry-on weight limit	12 kg (26.5 lb)	10 kg (22 lb)
Personal item	40 × 30 × 15 cm	40 × 30 × 20 cm
First checked bag (regular economy)	1 free bag	$23–$68
Network
Alliance	SkyTeam	None
Loyalty program	Flying Blue	None
Main hubs	AMS	BUD

Highlighted values are better for travelers. Fees are for U.S. domestic economy flights; on-time data is 2025 U.S. DOT figures for each airline's own flights.

Bags and fees

KLM allows a carry-on up to 55 × 35 × 25 cm (21.7 × 13.8 × 9.8 in), and Wizz Air up to 55 × 40 × 23 cm (21.7 × 15.7 × 9.1 in), so Wizz Air's is roomier.

KLM's Basic / Light can be personal-item only, while Wizz Air charges for it on its cheapest fare.

Carry-on weight limits: 12 kg (26.5 lb) on KLM, 10 kg (22 lb) on Wizz Air.

Personal items: 40 × 30 × 15 cm (15.7 × 11.8 × 5.9 in) on KLM, and 40 × 30 × 20 cm (15.7 × 11.8 × 7.9 in) on Wizz Air.

KLM includes one bag with Standard on flights between North America and Europe, and a first checked bag on Wizz Air costs $23–$68 on flights within Europe.

Basic economy

KLM (Basic / Light): The Basic fare on short-haul routes includes only a small under-seat bag. Light fares include a cabin bag but no checked bag.

Wizz Air (Basic): The Basic fare includes only the under-seat bag.

Loyalty and where they fly

KLM is in SkyTeam and Wizz Air is not in an alliance.

Loyalty programs: Flying Blue (KLM) and none (Wizz Air).

KLM's main hubs are Amsterdam (AMS). Wizz Air's are Budapest (BUD). The best choice often comes down to which airline flies nonstop from your airport.

Which should you book?

Choose KLM if you want…

a carry-on on its cheapest fare
a more generous carry-on weight limit
cheaper checked bags
to earn and use SkyTeam miles and status
nonstops from AMS

Choose Wizz Air if you want…

a bigger carry-on
a bigger personal item
nonstops from BUD

On a route both fly, the cheaper ticket isn't always the cheaper trip: add the bags you'll actually bring, and check the fare rules before you book.

KLM vs Wizz Air FAQ

It depends on what matters most to you. KLM wins on a carry-on on its cheapest fare, a more generous carry-on weight limit and cheaper checked bags; Wizz Air wins on a bigger carry-on and a bigger personal item. If they fly the same route, compare the total price with bags included.

Keep comparing

Sources

Last verified Oct 17, 2026. Airlines change their rules without notice, so confirm with the airline before you fly.

Read how we collect and check this data, or tell us if something's out of date.

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