Sun Country Carry-On Rules: Size Limits, Fees &
What You Can Bring

Sun Country Airlines allows one personal item free of charge on all fares. A standard carry-on bag is not included in the base fare
and requires a separate fee in most cases. The carry-on size limit is 24 x 16 x 11 inches, and a weight limit
of approximately 35 lbs may be enforced. Your personal item must fit completely under the seat in front of you.

Last Updated: May 2026

Quick Answer: What Are Sun Country’s Carry-On Rules?

What Is Included in Sun Country Cabin Baggage Allowance?

Sun Country follows a two-bag cabin policy: one personal item and one carry-on bag.

  • Personal item – free on all fares; must fit under the seat
  • Carry-on bag – paid in most fare types; stored in the overhead bin

Only the personal item is guaranteed to be free. If you are traveling on a Basic fare, you will likely pay extra for a carry-on bag. Always check what is included in your specific fare before you travel.

What Is the Sun Country Carry-On Size Limit?

Carry-on bag: 24 x 16 x 11 inches (length x width x height)

This is the maximum size allowed for an overhead bin bag. If your bag exceeds these dimensions, it may be refused at the gate or moved to checked baggage, where additional fees will apply.

Personal item: must fit completely under the seat in front of you. Common examples include a small backpack, laptop bag, purse, or tote. There is no fixed personal item size listed by Sun Country, but most passengers use the general guideline of around 18 x 14 x 8 inches as a safe limit.

What Counts as a Personal Item on Sun Country?

A personal item is the only free bag included on most Sun Country fares.

It must:

  • Fit completely under the seat in front of you
  • Stay small and compact

Common examples:

  • Small backpack
  • Laptop bag
  • Purse or handbag
  • Small tote bag

Sun Country personal item rules are stricter than many travelers expect. If your bag is too large, staff may treat it as a paid carry-on.

Does Sun Country Have a Carry-On Weight Limit?

Sun Country Carry-On Weight Limit

Sun Country generally allows carry-on bags up to around 35 lbs.

While weight checks are not always strict, they can happen if:

  • The bag looks heavy
  • Flights are full
  • The bag appears oversized

If your bag exceeds the limit, it may need to be checked.

Is a Carry-On Bag Free on Sun Country?

Not always. Whether your carry-on is free depends on your fare type.

Fare TypePersonal ItemCarry-On Bag
BasicFreePaid
StandardFreeUsually paid
FlexFreeTypically included
Sun Country Go Rewards membersMay receive benefitsVaries by status

If you are unsure what your fare includes, check your booking confirmation or visit the Sun Country website before your flight. For full details on bag fees, see the Sun Country baggage fees page.

What Happens If Your Carry-On Is Too Big at the Gate?

If your carry-on bag does not meet Sun Country’s size requirements, or if overhead bin space runs out during boarding, your bag may be gate-checked.

Here is what gate-checking means for you:

  • Your bag is taken at the jet bridge before you board
  • It travels in the cargo hold, not the cabin
  • You collect it at the gate or baggage claim on arrival
  • Gate-checking may trigger a checked baggage fee if your bag is oversized

To avoid this, pack light, choose a soft-sided bag that compresses easily, and board early when bin space is more available. Passengers with priority boarding have a better chance of securing overhead bin space.

Hidden Truth About Sun Country Carry-On Rules

A few things travelers often don’t realize:

  • Only a personal item is included in the base fare
  • Most roller bags count as a paid carry-on, not a personal item
  • Paying at the airport almost always costs more than booking in advance
  • On full flights, the risk of gate-checking increases

Knowing the size limits before you pack can save both money and a stressful boarding experience.

Which Bag Option Works Best for Your Trip?

The right choice depends on how long you are traveling and how light you can realistically pack.

When a personal item is enough:

  • Weekend or short trips
  • Short business travel
  • Solo travelers with minimal gear

When paying for a carry-on makes sense:

  • Multi-day trips needing extra clothes or shoes
  • Travelers who want to skip checked baggage wait times

What Actually Happens at the Boarding Gate

Here is a common scenario to keep in mind. Say you arrive with a backpack and a rolling cabin suitcase.

  • The backpack fits under the seat and counts as your free personal item
  • The rolling suitcase goes in the overhead bin and counts as a paid carry-on
  • If you did not add the carry-on during booking, you will pay a higher gate fee before boarding

How Sun Country Differs From Other Airlines

Sun Country follows a low-cost model where only the basics are bundled into the fare. For example: Airlines like Delta or Southwest may include more baggage benefits depending on the fare type and loyalty status. This is why a Sun Country ticket can look cheaper upfront but cost more once bags are added.

Sun Country Carry-On Policy: At a Glance

  • Personal item: Free on most fares and must fit under the seat
  • Carry-on bag: Usually paid; maximum size is 24 x 16 x 11 inches
  • Weight limit: Around 35 lbs
  • Gate-check risk: Higher on full flights or with oversized bags
  • Best way to save: Travel with just a personal item or add carry-on during booking for lower fees

Quick Tips to Avoid Carry-On Problems

A few simple checks before you leave home can prevent most gate-day issues.

  • Measure your bag against the 24 x 16 x 11 inch limit before packing
  • Keep your personal item compact enough to slide under the seat
  • Add your carry-on during booking for the lowest available fee
  • Avoid overfilling bags to keep weight under approximately 35 lbs
  • Board as early as possible to secure overhead bin space

For more detail on costs and planning:

  • Review full fee details in our Sun Country baggage fees guide
  • Explore seating options in our Sun Country seat selection guide

Frequently Asked Questions (FAQs)

What size bag is free on Sun Country?

Only a personal item is free. It should fit under the seat in front of you. A small backpack, purse, or laptop bag usually works best.

Does Sun Country charge for carry-on bags?

Do Sun Country Go Rewards members get a free carry-on?

Can I bring both a carry-on and a personal item on Sun Country?

Yes. Your personal item is free, but a carry-on bag usually costs extra unless it’s included in your fare.

What happens if my carry-on doesn’t fit in the overhead bin?

Flytripinfo.com provides independent travel guidance and is not affiliated with Sun Country Airlines.

Disclaimer: All information on Flytripinfo.com is provided for general travel guidance only. Airline policies, baggage fees, and allowances can change at any time without prior notice. While we strive to keep our content accurate and updated, travelers should always verify details directly with the airline before their journey. Flytripinfo.com is not responsible for any errors, delays, or decisions made based on the information provided.

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