Which has the bigger carry-on allowance, Avelo or Sun Country?

Avelo: 22 × 14 × 9 in (56 × 36 × 23 cm). Sun Country: 24 × 16 × 11 in (61 × 41 × 28 cm), up to 35 lb (15.9 kg). Sun Country allows the larger bag.

Do Avelo and Sun Country include a carry-on on basic economy?

Avelo: Fares include only a personal item; carry-ons are a paid add-on. Sun Country: Fares include only a personal item. Buying a carry-on early is cheapest.

Where do Avelo and Sun Country fly from?

Avelo flies point-to-point. Sun Country's are Minneapolis (MSP). The better pick is often whichever flies nonstop from your airport.

Are Avelo and Sun Country partners?

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

XP vs SY · 2026 comparison

Avelo vs Sun Country

Avelo wins on a more generous carry-on weight limit; Sun Country wins on a bigger carry-on 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

Avelo

Wins 1 category

A more generous carry-on weight limit

Sun Country

Wins 2 categories

A bigger carry-on
Cheaper checked bags

Quick verdict

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

Carry-on size: Avelo: 22 × 14 × 9 in · Sun Country: 24 × 16 × 11 in
Carry-on on the cheapest fare: Avelo: Costs extra on basic fares · Sun Country: Costs extra on basic fares
First checked bag (regular economy): Avelo: $40–$45 · Sun Country: $34–$45

Side by side

	Avelo	Sun Country
Bags
Carry-on size	22 × 14 × 9 in	24 × 16 × 11 in
Carry-on on the cheapest fare	Costs extra on basic fares	Costs extra on basic fares
Carry-on weight limit	None published	35 lb (15.9 kg)
Personal item	17 × 13 × 9 in	17 × 13 × 9 in
First checked bag (regular economy)	$40–$45	$34–$45
Network
Alliance	None	None
Loyalty program	None	Sun Country Rewards
Main hubs	Point-to-point	MSP

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

Avelo allows a carry-on up to 22 × 14 × 9 in (56 × 36 × 23 cm), and Sun Country up to 24 × 16 × 11 in (61 × 41 × 28 cm), so Sun Country's is roomier.

Avelo charges for it on its cheapest fare, while Sun Country charges for it on its cheapest fare.

Sun Country caps carry-ons at 35 lb (15.9 kg); Avelo publishes no limit.

Personal items: 17 × 13 × 9 in (43 × 33 × 23 cm) on Avelo, and 17 × 13 × 9 in (43 × 33 × 23 cm) on Sun Country.

A first checked bag on Avelo costs $40–$45 on all Avelo flights, and a first checked bag on Sun Country costs $34–$45 on all Sun Country flights.

Basic economy

Avelo (Base fare): Fares include only a personal item; carry-ons are a paid add-on.

Sun Country (Best fare): Fares include only a personal item. Buying a carry-on early is cheapest.

Loyalty and where they fly

Avelo is not in an alliance and Sun Country is not in an alliance.

Loyalty programs: none (Avelo) and Sun Country Rewards (Sun Country).

Avelo flies point-to-point without big hubs. Sun Country's are Minneapolis (MSP). The best choice often comes down to which airline flies nonstop from your airport.

Which should you book?

Choose Avelo if you want…

a more generous carry-on weight limit

Choose Sun Country if you want…

a bigger carry-on
cheaper checked bags
nonstops from MSP

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.