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

KLM: 55 × 35 × 25 cm (21.7 × 13.8 × 9.8 in), up to 12 kg (26.5 lb). Turkish: 55 × 40 × 23 cm (21.7 × 15.7 × 9.1 in), up to 8 kg (17.6 lb). Turkish allows the larger bag.

Where do KLM and Turkish fly from?

KLM's main hubs are Amsterdam (AMS). Turkish's are Istanbul (IST). The better pick is often whichever flies nonstop from your airport.

Are KLM and Turkish partners?

They aren't in the same alliance (KLM: SkyTeam; Turkish: Star Alliance), so miles and status generally don't transfer between them.

KL vs TK · 2026 comparison

KLM vs Turkish

Q: Do KLM and Turkish 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. Turkish: EcoFly fares include the 8 kg carry-on and a personal item.

KLM wins on a more generous carry-on weight limit; Turkish wins on a bigger carry-on, a carry-on on its cheapest fare and cheaper checked bags. 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 1 category

A more generous carry-on weight limit

Turkish

Wins 3 categories

A bigger carry-on
A carry-on on its cheapest fare
Cheaper checked bags

Quick verdict

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

Carry-on size: KLM: 55 × 35 × 25 cm · Turkish: 55 × 40 × 23 cm
Carry-on on the cheapest fare: KLM: Not on some basic fares · Turkish: Included on every fare
First checked bag (regular economy): KLM: 1 free bag · Turkish: 2 free bags

Side by side

	KLM	Turkish
Bags
Carry-on size	55 × 35 × 25 cm	55 × 40 × 23 cm
Carry-on on the cheapest fare	Not on some basic fares	Included on every fare
Carry-on weight limit	12 kg (26.5 lb)	8 kg (17.6 lb)
Personal item	40 × 30 × 15 cm	40 × 30 × 15 cm
First checked bag (regular economy)	1 free bag	2 free bags
Network
Alliance	SkyTeam	Star Alliance
Loyalty program	Flying Blue	Miles&Smiles
Main hubs	AMS	IST

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 Turkish up to 55 × 40 × 23 cm (21.7 × 15.7 × 9.1 in), so Turkish's is roomier.

KLM's Basic / Light can be personal-item only, while Turkish includes it on every fare.

Carry-on weight limits: 12 kg (26.5 lb) on KLM, 8 kg (17.6 lb) on Turkish.

Personal items: 40 × 30 × 15 cm (15.7 × 11.8 × 5.9 in) on KLM, and 40 × 30 × 15 cm (15.7 × 11.8 × 5.9 in) on Turkish.

KLM includes one bag with Standard on flights between North America and Europe, and Turkish includes two bags with ExtraFly on flights between the U.S. and Türkiye.

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.

Turkish (EcoFly): EcoFly fares include the 8 kg carry-on and a personal item.

Loyalty and where they fly

KLM is in SkyTeam and Turkish is in Star Alliance.

Loyalty programs: Flying Blue (KLM) and Miles&Smiles (Turkish).

KLM's main hubs are Amsterdam (AMS). Turkish's are Istanbul (IST). The best choice often comes down to which airline flies nonstop from your airport.

Which should you book?

Choose KLM if you want…

a more generous carry-on weight limit
to earn and use SkyTeam miles and status
nonstops from AMS

Choose Turkish if you want…

a bigger carry-on
a carry-on on its cheapest fare
cheaper checked bags
to earn and use Star Alliance miles and status
nonstops from IST

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 Turkish FAQ

It depends on what matters most to you. KLM wins on a more generous carry-on weight limit; Turkish wins on a bigger carry-on, a carry-on on its cheapest fare and cheaper checked bags. 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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