Alaska Airlines Carry-On Size & Baggage Rules (2026)

Baggage Type	Size (cm)	Size (inches)	Weight	Allowance
Carry-on bag	56 x 36 x 23	22 x 14 x 9	Not specified	1 bag (free)
Personal item	Not specified	Not specified	Not specified	1 item (free)

Baggage Type	Price Range
Personal item	Free / Included
Carry-on bag	Free / Included
Checked bag	Varies by route and booking time

Carry-On Dimensions & Size Restrictions for Alaska Airlines

Alaska Airlines keeps its carry-on size rules consistent across all aircraft.

The permitted carry-on size is 22 x 14 x 9 inches (56 x 36 x 23 cm), including wheels and handles. In addition, the combined measurement must not exceed 45 linear inches.

This means:

• Length + width + height must stay within limits
• Expandable bags should be measured after packing
• Airport sizer bins are used to verify fit

If your bag goes beyond these dimensions, it may not be accepted as cabin baggage.

Carry-On Weight Limit & Baggage Allowance

Alaska Airlines does not specify a weight limit for carry-on luggage.

Instead, they focus on usability:

• You must lift your own bag into the overhead compartment
• Your bag should fit safely in cabin storage
• One item must be placed under the seat

Your baggage allowance includes:

• 1 carry-on bag (free)
• 1 personal item (free)

This applies across all standard ticket types.

Personal Item Size & Carry-On Bag Allowance

You’re allowed one personal item along with your carry-on.

Examples include:

• Purse
• Laptop bag
• Briefcase

Alaska Airlines does not specify exact limits for personal item size, but the item must fit under the seat.

In addition, several items don’t count toward your baggage allowance, such as:

• Coats and outerwear
• Compact umbrellas
• Food and reading material

Medical and assistive items are also allowed:

• Wheelchairs and mobility aids
• CPAP machines and oxygen devices
• Prescription medications

These can be brought onboard without affecting your carry-on allowance.

Compare with Other Airlines

• American Airlines baggage rules
• Delta carry-on size
• United carry-on allowance
• Southwest cabin luggage size
• JetBlue carry-on size
• Frontier baggage policy
• Allegiant carry-on allowance

Carry-On Size Restrictions & Rules

Alaska Airlines has a structured set of carry-on restrictions that travelers should follow.

Key rules include:

• All measurements must include wheels and handles
• Bags must fit in overhead bins or under-seat space
• You must manage your own luggage without assistance

There are also exceptions for certain items that may exceed the standard size limit if they can be safely stored, including:

• Musical instruments
• Fishing poles
• Art portfolios
• Scientific equipment

These items are treated differently but must still fit safely inside the aircraft cabin.

Maximum Carry-On Size Allowed by Alaska Airlines

The maximum allowed size for carry-on luggage is:

• 22 x 14 x 9 inches (56 x 36 x 23 cm)
• 45 linear inches total

This is the upper limit set by Alaska Airlines. Bags that exceed this size may need to be checked.

How Strict Is Alaska Airlines With Carry-On Size?

From real traveler observations, Alaska Airlines is fair but consistent.

Here’s what you’ll typically notice:

• Staff may check bag sizes during busy boarding
• Overhead bin space can fill quickly on full flights
• Larger bags are sometimes gate-checked if space runs out

In most cases, if your bag fits within the allowed size and looks reasonable, you won’t face issues. However, enforcement becomes stricter when flights are full.

Carry-On Rules for Domestic vs International Flights

Alaska Airlines applies the same carry-on size rules for both domestic and international flights.

Your allowed baggage size and allowance remain unchanged. However:

• International routes may have additional screening rules
• Certain items may be restricted based on destination
• Security regulations may vary by country

The core carry-on size restrictions stay the same.

What Happens If Your Carry-On Exceeds Size or Weight Limits?

If your bag exceeds Alaska Airlines’ permitted dimensions:

• It may be taken at the gate and checked
• It will be treated as checked baggage
• Additional charges may apply depending on your ticket

Since no weight limit is specified, size is usually the main factor that causes issues.

To avoid problems, it’s best to measure your bag before arriving at the airport.

Carry-On Allowance by Fare Class (Economy vs Business)

Alaska Airlines offers a consistent carry-on policy across fare types.

• Economy (Main Cabin):
  • 1 carry-on + 1 personal item included
• First Class:
  • Same carry-on allowance
  • Additional checked baggage benefits may apply

Unlike some airlines, Alaska does not restrict carry-on baggage for lower fares.

Understand Carry-On Rules

• difference between carry-on and personal item
• luggage size conversion
• airline weight restrictions

FAQs About Alaska Airlines Carry-On Size

What is the carry-on luggage size for Alaska Airlines?

The carry-on size is 22 x 14 x 9 inches (56 x 36 x 23 cm) including wheels and handles.

What size carry-on bag is allowed?

Any bag within these dimensions and under 45 linear inches is allowed.

What is the maximum carry-on size?

The maximum allowed size is 22 x 14 x 9 inches.

Does Alaska Airlines have size restrictions?

Yes, all carry-on bags must meet the defined size limits and fit in cabin storage.

What is the personal item size allowed?

Alaska Airlines does not specify exact limits, but the item must fit under the seat.

How strict is Alaska Airlines with carry-on baggage?

They are moderately strict and may check bags during boarding, especially on full flights.

What happens if my carry-on is oversized?

It may be gate-checked and treated as checked baggage, with applicable charges.