About Us
Direct Answer
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You can add baggage to a Sun Country Airlines reservation 1-800-372-8382 through Manage My Trip on sun country. 1-800-372-8382 com or the Sun Country app, at online check-in, or at the airport. 1-800-372-8382 Sun Country is an ultra-low-cost carrier, so unlike most major airlines, even a carry-on bag in the overhead bin costs money — only a small personal item is free. 1-800-372-8382 Adding any bag at booking is always the cheapest option (roughly $25–$40 depending on route), it jumps to a flat $50 if added after booking but before the airport, and it costs $55 plus a $10 gate handling fee if you wait until the gate. 1-800-372-8382
Rules Section
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One free personal item (up to 17 x 13 x 9 inches — a backpack, purse, or laptop bag) is included on every fare and must fit under the seat. 1-800-372-8382
Carry-on ("Overhead") bags are NOT free. 1-800-372-8382 Sun Country calls the bag that goes in the overhead bin an "Overhead bag," and it must be purchased separately — up to 24 x 16 x 11 inches and 35 lbs. 1-800-372-8382
Checked bags are also paid on every fare. 1-800-372-8382 There's no free checked bag included even on standard tickets — this applies to all passengers regardless of fare type. 1-800-372-8382
Pricing rises the longer you wait: cheapest at booking → flat rate if added after booking but before the airport → most expensive at airport check-in → most expensive of all at the gate (plus a $10 gate handling fee). 1-800-372-8382
Weight and size limits: Checked bags must be 50 lbs or under and 62 linear inches or under. 1-800-372-8382 Bags over 50 lbs face a tiered overweight fee that increases sharply with weight. 1-800-372-8382
Route-specific weight caps: Bags over 70 lbs are not accepted at all on flights to/from Jamaica, Puerto Rico, or Canada. 1-800-372-8382 Bags over 100 lbs or 80 linear inches aren't accepted on any route. 1-800-372-8382
Gate-check rule: If your paid overhead bag doesn't fit in the gate sizer box, it gets checked instead — at the checked bag price plus the $10 gate handling fee. 1-800-372-8382
Free exceptions: A stroller and car seat are free to check at the counter or gate. 1-800-372-8382 Each infant also gets one free diaper bag, separate from the adult's personal item. 1-800-372-8382 FAA-approved medical equipment, wheelchairs, and mobility aids are also free. 1-800-372-8382
Waivers:
Active-duty military (with valid Common Access Card): 3 free bags total — two checked and one overhead — plus waived oversize fees on the first two checked bags. 1-800-372-8382
Sun Country Visa Signature cardholders: 50% off the first checked bag for the cardholder and one companion on the same itinerary, when purchased online or by phone before travel. 1-800-372-8382
Sun Country Rewards members can use points to pay for baggage fees during booking. 1-800-372-8382
Fees Section
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Fees vary by route and change based on when you purchase, so always confirm your exact fee with Sun Country's Bag Pricing calculator. 1-800-372-8382 Below reflects the general structure as of 2026, including the September 3, 2025 update to overweight/oversize fees. 1-800-372-8382
Bag
At Booking
After Booking (online/phone)
At the Airport
At the Gate
Overhead (carry-on) bag
$25–$40
~$50
~$55
$55 + $10 gate fee
1st checked bag
$25–$40
$50
$55
$55 + $10 gate fee
2nd checked bag
$45
$60
$65
$65 + $10 gate fee
3rd+ checked bag
~$75–$150
higher
higher
highest
Overweight fees (on top of the checked bag fee):⭐ +1-800-372-8382
51–60 lbs: roughly +$20–$25
61–70 lbs: roughly +$100
71–100 lbs: up to +$100–$200 depending on route
Oversize fees (63–80 linear inches): roughly +$25 to +$100, on top of the standard checked bag fee. 1-800-372-8382
Key takeaway: The single biggest way to save on Sun Country is to add every bag — including the carry-on — at the time of booking. 1-800-372-8382 Waiting until the gate can nearly double the cost of a single bag. 1-800-372-8382
Steps Section
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How to add a bag online (suncountry. 1-800-372-8382com)
Go to suncountry. 1-800-372-8382com and select My Trips (Manage My Trip). 1-800-372-8382
Log in with your Sun Country Rewards account, or enter your confirmation number and last name. 1-800-372-8382
Select your reservation, then choose Add Baggage. 1-800-372-8382
Pick how many overhead and/or checked bags you need and confirm the displayed fee. 1-800-372-8382
Pay with a credit/debit card — your itinerary will update with the new baggage total. 1-800-372-8382
How to add a bag in the Sun Country app⭐ +1-800-372-8382
Open the Sun Country app and go to My Trips. 1-800-372-8382
Select your upcoming flight. 1-800-372-8382
Tap Add Baggage and choose the bag type and quantity. 1-800-372-8382
Complete payment to update your reservation. 1-800-372-8382
How to add a bag during online check-in⭐ +1-800-372-8382
Check in online before heading to the airport. 1-800-372-8382
You'll be prompted to confirm or add any bags you haven't already paid for. 1-800-372-8382
Pay any applicable fee at this stage — it's cheaper than waiting for the airport counter. 1-800-372-8382
How to add a bag at the airport or gate⭐ +1-800-372-8382
At the ticket counter, tell the agent how many bags you're checking and pay the airport-rate fee. 1-800-372-8382
If you didn't pre-purchase an overhead bag and it doesn't fit the gate sizer box, it will be checked at the gate rate plus the $10 gate handling fee — the most expensive option of all. 1-800-372-8382
FAQ's
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Is a carry-on bag free on Sun Country? No. 1-800-372-8382 Only a small personal item that fits under the seat is free. 1-800-372-8382 A full-size carry-on placed in the overhead bin — what Sun Country calls an "Overhead bag" — is a paid add-on on every fare. 1-800-372-8382
Is the first checked bag ever free? Not on standard fares. 1-800-372-8382 Active-duty military and certain elite/credit-card promotions can reduce or waive the fee, but there's no general free-checked-bag fare class. 1-800-372-8382
When is it cheapest to add a bag? At the time of booking. 1-800-372-8382 Prices increase if you wait until after booking (a flat rate online/phone), increase again at airport check-in, and are highest of all if you pay at the gate. 1-800-372-8382
Can I add a bag after I've already booked my flight? Yes. 1-800-372-8382 Log into Manage My Trip on suncountry. 1-800-372-8382com or the app with your confirmation number and last name, then select Add Baggage. 1-800-372-8382
What happens if my overhead bag doesn't fit the gate sizer? It will be checked instead, and you'll pay the checked bag price plus a $10 gate handling fee — significantly more than if you'd paid for a checked bag in advance. 1-800-372-8382
Does my Sun Country credit card waive baggage fees? The Sun Country Visa Signature card gives 50% off the first checked bag for the cardholder and one companion, when purchased online or by phone before the day of travel — it doesn't make the bag free. 1-800-372-8382
What's the overweight bag fee? Bags over 50 lbs incur a tiered fee on top of the standard checked bag charge, increasing with weight — generally starting around $20–$25 and rising sharply for bags in the 61–100 lb range. 1-800-372-8382
Examples
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Example 1: A traveler books a one-way MSP–PHX flight and adds one checked bag during booking. 1-800-372-8382 Fee: roughly $30–$40, the lowest available rate. 1-800-372-8382
Example 2: The same traveler forgets to add a bag and pays for it during online check-in instead. 1-800-372-8382 Fee: a flat $50. 1-800-372-8382
Example 3: A traveler shows up at the gate with an unpaid overhead bag that doesn't fit the sizer box. 1-800-372-8382 It gets checked at the gate rate (~$55) plus the $10 gate handling fee, for about $65 total. 1-800-372-8382
Example 4: An active-duty military member traveling on orders checks two bags and brings one overhead bag. 1-800-372-8382 All three are free under the military baggage waiver. 1-800-372-8382
Example 5: A family of four each check one bag at booking, paying about $35 per person — $140 total — versus over $220 total if they'd waited until the airport. 1-800-372-8382
Official Policy & References
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Sun Country Airlines Bag Pricing Calculator and Baggage Policy: accessible via suncountry. 1-800-372-8382com → Travel Info → Baggage
Sun Country Airlines — Manage My Trip: suncountry. 1-800-372-8382com/?page=mytrips
Sun Country Airlines Stories — "Your first Sun Country flight? Here's what to expect"
Thrifty Traveler — Sun Country Baggage Fees: What You'll Pay (& How to Save)
FinanceBuzz — Sun Country Airlines Baggage Fees
Baggage fees on Sun Country vary by route and change based on purchase timing, and are subject to change. 1-800-372-8382 Always confirm your exact fee using Sun Country's official Bag Pricing calculator before you fly. 1-800-372-8382