Sun Country Airlines Check-In Policy: Online, Airport & Boarding Rules

Flying with Sun Country Airlines soon? Whether you’re heading out for a family vacation, a weekend getaway, or a seasonal trip, knowing the check-in policy can save you time, money, and last-minute panic.

Sun Country follows a low-cost airline model, which means the basics are affordable—but extras (including airport services) can add up quickly if you’re not prepared. This guide explains the Sun Country Airlines check-in policy in simple, human language, so you know exactly what to do.

About Sun Country Airlines

Sun Country Airlines is a U.S.-based low-cost carrier headquartered in Minnesota. It operates:

Domestic flights across the United States
Limited international routes to Mexico, Central America, and the Caribbean
Seasonal leisure-focused services

Because Sun Country keeps fares low by charging separately for add-ons, how you check in matters more than you might expect.

Why Understanding the Check-In Policy Is Important

Imagine arriving at the airport thinking everything’s fine—only to discover you need to pay extra or you’ve missed a deadline. Not fun, right?

Knowing the check-in policy helps you:

Avoid airport check-in fees
Save time at security and bag drop
Reduce stress on travel day
Prevent denied boarding

Think of check-in as setting the tone for your trip. Start smooth, and everything else feels easier.

Sun Country Airlines Check-In Options

Sun Country offers several ways to check in, but not all options cost the same.

Online Check-In (Best Option)

Online check-in is the recommended and most convenient way to check in.

Who Can Use Online Check-In?

Most passengers are eligible, including:

Economy travelers
Families and groups
Domestic and many international passengers

Some special cases may still require airport check-in.

Mobile App Check-In

Using the Sun Country mobile app, you can:

Check in online
Save your boarding pass digitally
Get real-time flight updates

Perfect for travelers who prefer paperless travel.

Airport Counter Check-In

Airport check-in is available but usually comes with a fee. You may need it if:

You missed online check-in
You need document verification
You’re traveling with special assistance

Airport lines can be long during peak travel periods.

Self-Service Kiosk Check-In

At select airports, kiosks allow passengers to:

Print boarding passes
Add bags
Proceed to baggage drop

Kiosks help save time but don’t always eliminate service fees.

Sun Country Airlines Online Check-In Policy

Online Check-In Opening & Closing Time

Opens: 24 hours before departure
Closes: 60 minutes before departure

Once online check-in closes, you must rely on airport counters—if they’re still open.

Seat Selection During Online Check-In

Standard seats may be auto-assigned
Preferred seats and extra-legroom seats cost extra
Seat availability depends on aircraft and fare type

Checking in early gives you better seat options.

Boarding Pass Options

After online check-in, you can:

Print your boarding pass
Save it on your phone
Access it through the Sun Country app

Always keep a backup—technology isn’t perfect.

Airport Check-In Policy for Sun Country Airlines

Recommended Arrival Time

Domestic flights: At least 2 hours before departure
International flights: At least 3 hours before departure

Earlier is safer, especially during holidays.

Check-In Counter Closing Time

Check-in counters close 60 minutes before departure
Bag drop closes at the same time

Arrive late, and the flight will leave without you.

Want To Know About : Sun Country Airlines Flight Changes Policy

Baggage Drop Rules After Online Check-In

Checked in online? Great. Just:

Go to the baggage drop counter
Show your boarding pass and ID
Drop checked bags before the cutoff

Baggage Drop Deadline

Bags must be checked at least 60 minutes before departure

Late bags are not accepted—no exceptions.

Carry-On & Personal Item Rules at Check-In

Personal Item

Included free
Must fit under the seat

Carry-On Bag

Not included in base fare
Must be purchased online or at the airport

Buying bags online is cheaper than paying at the airport.

Special Check-In Rules

Some passengers must check in at the airport.

Passengers Requiring Special Assistance

Includes:

Wheelchair users
Passengers with medical equipment
Reduced mobility travelers

Airport check-in is mandatory, and early arrival is strongly recommended.

Traveling with Infants

Infant-in-lap tickets require verification
Strollers and car seats checked at counter

Allow extra time—it makes a big difference.

Unaccompanied Minors

Sun Country has specific policies:

Airport check-in is required
Proper documentation needed
Age restrictions apply

Domestic vs International Check-In Rules

Domestic Flights

Online check-in widely accepted
Faster document verification

International Flights

Passport and visa checks required
Online check-in may still require airport verification
Earlier arrival recommended

Always double-check entry requirements.

Documents Required at Check-In

Make sure you carry:

Government-issued photo ID (domestic)
Passport (international)
Visa or entry permit (if required)
Boarding pass (digital or printed)

No documents = no boarding.

Common Sun Country Check-In Issues & Solutions

Problem: Forgot to Check In Online

Solution: Use airport check-in (fees may apply).

Problem: Name Mismatch

Solution: Contact customer support before travel day.

Problem: Seat Not Assigned

Solution: Seat may be assigned at gate.

Problem: Overweight Baggage

Solution: Pay excess baggage fees or repack before bag drop.

Tips for a Smooth Sun Country Airlines Check-In

Check in exactly 24 hours before departure
Screenshot your boarding pass
Prepay baggage and seats
Arrive early, especially for international flights
Keep documents easily accessible

Preparation saves money—and nerves.

Sun Country Airlines Boarding Process Explained

Boarding usually happens in groups:

Passengers needing assistance
Priority boarding customers
General boarding

Listen for announcements and stay near the gate.

Conclusion

The Sun Country Airlines check-in policy is simple but strict. Online check-in saves time and money, airport deadlines are firm, and preparation is key—especially with a low-cost airline.

Check in early, arrive on time, and keep your documents ready. Do that, and your Sun Country journey will start smoothly and stress-free.

Want To Know About : Sun Country Airlines Flight Cancellations Policy

Frequently Asked Questions (FAQs)

1. When does Sun Country online check-in open?
Online check-in opens 24 hours before departure.

2. Does Sun Country charge for airport check-in?
Yes, airport check-in may include service fees.

3. Is a mobile boarding pass accepted?
Yes, mobile boarding passes are accepted at most airports.

4. What happens if I miss the check-in deadline?
You may be denied boarding with no refund.

5. Do I need to check in again for my return flight?
Yes, check-in is required separately for each flight.