Which has the bigger carry-on allowance, Iberia or Icelandair?

Iberia: 56 × 40 × 25 cm (22 × 15.7 × 9.8 in), up to 10 kg (22 lb). Icelandair: 55 × 40 × 20 cm (21.7 × 15.7 × 7.9 in), up to 10 kg (22 lb). Iberia allows the larger bag.

Where do Iberia and Icelandair fly from?

Iberia's main hubs are Madrid (MAD). Icelandair's are Reykjavík (KEF). The better pick is often whichever flies nonstop from your airport.

Are Iberia and Icelandair partners?

They aren't in the same alliance (Iberia: oneworld; Icelandair: none), so miles and status generally don't transfer between them.

IB vs FI · 2026 comparison

Iberia vs Icelandair

Q: Do Iberia and Icelandair include a carry-on on basic economy?

Iberia: Long-haul Basic fares include a carry-on; on European routes, check your fare. Icelandair: Economy Light includes a carry-on and a personal item, but no checked bag.

Iberia wins on a bigger carry-on; Icelandair wins on a carry-on on its cheapest fare. Here's how they compare on bags, fees, comfort, reliability and loyalty.

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

Iberia

Wins 1 category

A bigger carry-on

Icelandair

Wins 1 category

A carry-on on its cheapest fare

Quick verdict

Iberia wins on a bigger carry-on; Icelandair wins on a carry-on on its cheapest fare. Check the cheapest fare's bag rules before you compare prices.

Carry-on size: Iberia: 56 × 40 × 25 cm · Icelandair: 55 × 40 × 20 cm
Carry-on on the cheapest fare: Iberia: Not on some basic fares · Icelandair: Included on every fare
First checked bag (regular economy): Iberia: 1 free bag · Icelandair: 1 free bag

Side by side

	Iberia	Icelandair
Bags
Carry-on size	56 × 40 × 25 cm	55 × 40 × 20 cm
Carry-on on the cheapest fare	Not on some basic fares	Included on every fare
Carry-on weight limit	10 kg (22 lb)	10 kg (22 lb)
Personal item	40 × 30 × 15 cm	40 × 30 × 15 cm
First checked bag (regular economy)	1 free bag	1 free bag
Network
Alliance	oneworld	None
Loyalty program	Iberia Club	Saga Club
Main hubs	MAD	KEF

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

Iberia allows a carry-on up to 56 × 40 × 25 cm (22 × 15.7 × 9.8 in), and Icelandair up to 55 × 40 × 20 cm (21.7 × 15.7 × 7.9 in), so Iberia's is roomier.

Iberia's Basic can be personal-item only, while Icelandair includes it on every fare.

Carry-on weight limits: 10 kg (22 lb) on Iberia, 10 kg (22 lb) on Icelandair.

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

Iberia includes one bag with Optima on flights between the U.S. and Spain, and Icelandair includes one bag with Economy Standard on flights between the U.S. and Iceland.

Basic economy

Iberia (Basic): Long-haul Basic fares include a carry-on; on European routes, check your fare.

Icelandair (Economy Light): Economy Light includes a carry-on and a personal item, but no checked bag.

Loyalty and where they fly

Iberia is in oneworld and Icelandair is not in an alliance.

Loyalty programs: Iberia Club (Iberia) and Saga Club (Icelandair).

Iberia's main hubs are Madrid (MAD). Icelandair's are Reykjavík (KEF). The best choice often comes down to which airline flies nonstop from your airport.

Which should you book?

Choose Iberia if you want…

a bigger carry-on
to earn and use oneworld miles and status
nonstops from MAD

Choose Icelandair if you want…

a carry-on on its cheapest fare
nonstops from KEF

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.