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UPS
ups.com › us › en › support › shipping-support › shipping-costs-rates › flat-rate-shipping
Flat Rate Shipping | UPS - United States
3 weeks ago - With our flat rate shipping option - UPS Simple Rate - choose the appropriate packaging and speed and ship anywhere in the U.S. for a predictable, flat rate.
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Easyship
easyship.com › blog › the-guide-to-ups-simple-rate-aka-flat-rate
Your Guide to UPS® Simple Rate (aka Flat Rate) | Easyship
July 28, 2025 - USPS.com shows us paying $15.50 for a medium flat rate box arriving at one speed in four working days. Seems that UPS® Simple Rate is the cheapest flat-rate option. But can we find something cheaper?
Discussions

"UPS Flat Rate"
When I worked in UPS Stores I heard they piloted this…didn’t know they actually released it. {edit} I wonder if it is for an individual shipping account or something? More on reddit.com
🌐 r/upsstore
23
23
July 18, 2023
USPS, Fedex or UPS?
Unless you're shipping something small and heavy (aka dense) USPS Flat Rate Boxes are not what 'experienced' shippers use - they are usually not cost effective. If you use Pirate Ship, they offer 'cubic rate priority', which is based on size, not weight, so that becomes cheaper. There is also 'box in a bag' where you box up your item, and stick it in a polybag, and you pay based on the bag's size, so only 2 dimensions, not 3. I ship only USPS and UPS. Small and heavy will almost always go USPS cubic, or box in bag. Bigger and heavy, or anything over 22", go UPS. Keep in mind, anything that is less than 16 ounces can go USPS first class, which UPS/FedEx can't compete with. You can also fit LOTS of stuff in USPS flat rate padded paks and flat rate envelopes (I keep both sizes on hand at all times). I'd suggest ditching eBay's shipping, and use a 3rd party (Pirate Ship, Shippo or others), and start getting a feel for the other options are out there, aside form what eBay offers. More on reddit.com
🌐 r/Flipping
57
15
November 1, 2022
Shipping cost was ABSOLUTELY insane.
Small items should go through USPS better, UPS does charge a lot for small things but that seems like crazy expensive as well. Did they mess up the weight? More on reddit.com
🌐 r/UPS
37
0
January 31, 2025
ups has flat rate shipping?
This is an unofficial community where people can discuss and ask questions regarding UPS related topics. This is not a complaint department nor a substitute for customer support. Any issues or concerns should be dealt with through official UPS Customer Service · where to find ups price page ... More on reddit.com
🌐 r/UPS
4
1
June 29, 2021
People also ask

How much does the smallest UPS box cost?
The UPS Small Express Box is approximately $1.30 when used with non-Express services. It's free when used with UPS Express services like Next Day Air or 2nd Day Air.
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shipscience.com
shipscience.com › how-much-do-boxes-cost-at-ups
UPS Box Prices: Cost Per Size 2026 - ShipScience
Are UPS boxes ever free?
Yes. UPS-branded boxes are free for UPS Express services (Next Day Air, 2nd Day Air, 3 Day Select). For Ground or non-Express services, you'll pay per box.
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shipscience.com
shipscience.com › how-much-do-boxes-cost-at-ups
UPS Box Prices: Cost Per Size 2026 - ShipScience
Where can I get UPS boxes?
UPS Stores, UPS Customer Centers, online at ups.com/order, or via your UPS shipper account. Many UPS Access Points also stock common box sizes.
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shipscience.com
shipscience.com › how-much-do-boxes-cost-at-ups
UPS Box Prices: Cost Per Size 2026 - ShipScience
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Shipixy
shipixy.com › courier › ups › flat-rate-shipping
UPS Flat Rate Shipping - Get the Best Rates
Get Quote with Domestic Shipping Calculator · UPS Simple Rate has been useful to many small businesses that need to make some shipments. This service is perfect for delivery within the USA and they have availability of four different delivery options. Shipping can also be done through different boxes with specific sizes that you may use for shipment at some flat rate.
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UPS
ups.com › us › en › support › shipping-support › shipping-costs-rates
Shipping Costs and Rates | UPS - United States
1 week ago - When using the Calculate Time and Cost tool, we’ll show you a list of different options to choose from to get your shipment to its destination on time. Delivery times, as well as latest pickup times, will be displayed on the same screen so you can best choose the option for you. ... We have a guide to walk you through what we can and can’t ship. Learn how to safely and successfully transport hazardous materials. ... You can obtain a rate for shipments over 150 lbs using your customer’s less-than-truckload shipping information.
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Onlineshippingcalculator
onlineshippingcalculator.com › home › guides › usps flat rate box sizes, dimensions, and prices (live reference)
USPS Flat Rate Box Sizes, Dimensions, and Prices (Live Reference)
February 24, 2024 - Reference last refreshed June 22, 2026. Pulls live from our flat-rate-prices table — never out of sync with USPS. Quick reference for every USPS Priority Mail Flat Rate box and envelope: name, internal dimensions, weight cap, and current discounted commercial price.
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ShipScience
shipscience.com › how-much-do-boxes-cost-at-ups
UPS Box Prices: Cost Per Size 2026 - ShipScience
1 week ago - Estimate your loss and damage claims upside in two minutes. Calculate your ROI → ... UPS sells boxes in 5 sizes ranging from $1.30 for the Small Express Box to $5.95 for the Extra Large Box.
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Intelligentaudit
intelligentaudit.com › blog › ups-simple-rate-explained
UPS Simple Rate: Cost, Box Sizes & More
At UPS, flat-rate box sizes range from extra-small (1-100 cubic inches) starting at $9.45 to Extra-Large (1,051-1,728 cubic inches) starting at $24.30.
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CoolParcel
coolparcel.com › courier › ups › flat
UPS Flat Rate Shipping - Get the Cheapest Price
So, if you need to ship a box of ... UPS Flat Rate is an excellent option. Also, you may use UPS prepaid boxes to ship valuable items. Another reason this service is perfect for nationwide delivery is because it is relatively affordable. To estimate the shipping price of other services, you may use the UPS shipping calculator for the best ...
Find elsewhere
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USPS
usps.com › ship › priority-mail.htm
Priority Mail | USPS
View Price Files Calculate a Price See Insurance & Extra Services · Pay the same price for mailpieces weighing up to 70 lbs going anywhere in the U.S. Use our Priority Mail Flat Rate Envelopes or Boxes that come in standard sizes so you don't have to worry about measuring them.
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Packaging Bird
packagingbird.com › understanding-ups-flat-rate-boxes
Understanding UPS Flat Rate Boxes
August 6, 2025 - For ground shipping, it is 13-15$, and for 2nd day air, it is 22-27$, and for next day air is 50-55$. For medium sizes vary where we see that it goes from 17-20 to 50-55$. For large sizes, the prices can go from 22-25 to 60-70$. ... This is ...
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ShipScience
shipscience.com › understanding-ups-shipping-rates-for-box-size-eb1cd
Understanding UPS Shipping Rates For Box Size - ShipScience
September 27, 2024 - For instance, the UPS Simple Rate® service provides a flat rate for packages up to 50 lbs within specific box sizes, regardless of origin and destination within certain zones. Refer to the UPS Boxes and Packing page for more details. Utilize UPS's Shipping Calculator to compare rates and determine the most economical shipping option based on your package's size, weight, origin, and destination.
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ParcelPath
parcelpath.com › home › carrier services › usps flat rate boxes 2026: pricing & shipping guide
USPS Flat Rate Boxes 2026: Pricing & Shipping Guide | ParcelPath
April 23, 2026 - As of January 18, 2026, retail rates start at $11.95 for Flat Rate Envelopes, $12.65 for Small Flat Rate Boxes, $22.95 for Medium Flat Rate Boxes, and $31.50 for Large Flat Rate Boxes.
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Ordoro
ordoro.com › ups-shipping-cost-calculator
UPS Shipping Cost Calculator
Priority Mail: For packages up to 70 lbs, with rates starting at $7.95. Flat Rate Boxes: Fixed rates regardless of weight, which vary by box size but start around $8.45 for small boxes.
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Airpals
airpals.co › blog › flat-rate-shipping-and-carrier-supplies
Flat Rate Shipping Guide 2026: USPS, UPS & FedEx Compared
June 20, 2024 - This approach simplifies the shipping ... need to calculate different rates for varying weights or distances. For example, if you ship a 2-pound or 10-pound package, as long as it fits within the flat rate box provided by the carrier, the shipping cost will be the same. This is especially effective for businesses and online sellers, as it allows them to provide clear and predictable shipping rates to their customers and ultimately secure a better deal for them. Easier budgeting: One flat price per box or ...
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ShipScience
shipscience.com › discover-the-prices-for-ups-flat-rate-boxes
Discover The Prices For UPS Flat Rate Boxes - ShipScience - Helping Businesses Ship Smarter
October 3, 2024 - Maximize your savings when using UPS Flat Rate Boxes by implementing the following strategies: Consolidate Shipments: Combine multiple items into a single box to reduce the number of shipments. Bulk Purchases: Order boxes in bulk online to take advantage of discounted rates. Schedule Pickups: Utilize UPS's free pickup services to save time and shipping costs. Use the Shipping Calculator: Employ the UPS Shipping Calculator to determine the most cost-effective box size for your shipment.
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Customproductpackaging
customproductpackaging.com › home › blog › a complete cost & size guide to ups flat rate boxes
UPS Flat Rate Boxes Explained: Sizes, Costs & Pros
March 24, 2026 - Learn how UPS flat rate boxes can cut your shipping costs. Explore box sizes, pricing, delivery times, shipping tips, and their comparison with USPS and FedEx.
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ELEX
elextensions.com › usps-flat-rate-vs-ups-flat-rate
USPS Flat Rate vs UPS Flat Rate: Which Should You Choose?
October 1, 2024 - USPS Flat Rate The cost will be $16.10 for a medium flat rate box. UPS Flat Rate The price could vary between $18.00 and $22.00, depending on the distance.
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Betachon
betachon.com › ups-simple-rate-all-you-need-to-know
UPS Simple Rate: All You Need to Know - Betachon Shipping Solutions
September 18, 2025 - In this article, we’ll look at ... rate box sizes and how different it is from the FedEx and USPS services. Simple Rate is the latest shipping flat rate service provided by UPS. If you use this service, UPS allows you to deliver goods to any location within the U.S for a flat rate that’s calculated based on the ...
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Reddit
reddit.com › r/upsstore › "ups flat rate"
r/upsstore on Reddit: "UPS Flat Rate"
July 18, 2023 -

Few weeks ago had an old guy come in asking for a UPS Flat Rate envelope. Normal confusion, we tell him only the post office does flat rate with their Priority Mail envelopes. He insists "Nope, you guys do flat rate."

Thus ensues a nearly ten minute argument where this old fart refuses to accept the testimony of four separate employees that we do not and have not ever offered any sort of flat rate shipping option, and this guy apparently knew more about our jobs than any of us.

He ends up pulling up a website, which to my surprise did explain why he would think we offered flat rate:

https://www.ups.com/us/en/support/shipping-support/shipping-costs-rates/flat-rate-shipping.page

So apparently UPS does offer that option? But the stores aren't allowed to sell it? I had to tell the guy that if he wanted to use those options he'd have to make the label himself with UPS (and then had to explain that UPS and The UPS Store are different companies, the usual) and he finally stormed out in a huff.