Which has the bigger carry-on allowance, Qantas or Singapore?

Qantas: 56 × 36 × 23 cm (22 × 14.2 × 9.1 in), up to 7 kg (15.4 lb). Singapore: 115 cm total (45.3 in), up to 7 kg (15.4 lb).

Do Qantas and Singapore include a carry-on on basic economy?

Qantas: Every Economy fare includes the 7 kg carry-on. Singapore: Every Economy fare includes the 7 kg carry-on.

Where do Qantas and Singapore fly from?

Qantas's main hubs are Sydney (SYD), Melbourne (MEL). Singapore's are Singapore (SIN). The better pick is often whichever flies nonstop from your airport.

Are Qantas and Singapore partners?

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

QF vs SQ · 2026 comparison

Qantas vs Singapore

Qantas doesn't clearly win any category; Singapore wins on 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

Qantas

No clear category wins

Singapore

Wins 1 category

Cheaper checked bags

Quick verdict

Qantas doesn't clearly win any category; Singapore wins on cheaper checked bags. Both include a carry-on on every fare.

Carry-on size: Qantas: 56 × 36 × 23 cm · Singapore: 115 cm total
Carry-on on the cheapest fare: Qantas: Included on every fare · Singapore: Included on every fare
First checked bag (regular economy): Qantas: 1 free bag · Singapore: 2 free bags

Side by side

	Qantas	Singapore
Bags
Carry-on size	56 × 36 × 23 cm	115 cm total
Carry-on on the cheapest fare	Included on every fare	Included on every fare
Carry-on weight limit	7 kg (15.4 lb)	7 kg (15.4 lb)
Personal item	Must fit under the seat	40 × 30 × 10 cm
First checked bag (regular economy)	1 free bag	2 free bags
Network
Alliance	oneworld	Star Alliance
Loyalty program	Qantas Frequent Flyer	KrisFlyer
Main hubs	SYD, MEL	SIN

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

Qantas allows a carry-on up to 56 × 36 × 23 cm (22 × 14.2 × 9.1 in), and Singapore up to 115 cm total (45.3 in).

Both include it on their cheapest fares.

Carry-on weight limits: 7 kg (15.4 lb) on Qantas, 7 kg (15.4 lb) on Singapore.

Personal items: anything that fits under the seat on Qantas, and 40 × 30 × 10 cm (15.7 × 11.8 × 3.9 in) on Singapore.

Qantas includes one bag with Economy on flights between the U.S. and Australia, and Singapore includes two bags with Economy Standard on flights between the U.S. and Singapore.

Basic economy

Qantas (Economy): Every Economy fare includes the 7 kg carry-on.

Singapore (Economy Lite): Every Economy fare includes the 7 kg carry-on.

Loyalty and where they fly

Qantas is in oneworld and Singapore is in Star Alliance.

Loyalty programs: Qantas Frequent Flyer (Qantas) and KrisFlyer (Singapore).

Qantas's main hubs are Sydney (SYD), Melbourne (MEL). Singapore's are Singapore (SIN). The best choice often comes down to which airline flies nonstop from your airport.

Which should you book?

Choose Qantas if you want…

to earn and use oneworld miles and status
nonstops from SYD, MEL

Choose Singapore if you want…

cheaper checked bags
to earn and use Star Alliance miles and status
nonstops from SIN

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.