Cheapest Way to Ship Packages in the U.S.

The cheapest way to ship a package in the US comes down to weight and distance. USPS Ground Advantage is the most reliable low-cost option for most packages, but it doesn't win every time — for some sizes a service like UPS Ground Saver comes in cheaper, so it pays to compare. For books, CDs, and other media, USPS Media Mail beats everything. Every rate in this guide is a real price pulled from Shippo on June 25, 2026, all-in for delivery to a home address, so the number you see is the number you pay.

Last updated: June 25, 2026 · Rates pulled: June 25, 2026.

In this article

• Quick answer: cheapest carrier by weight
• Cheapest way to ship under 1 lb
• Cheapest way to ship 1 to 5 lbs
• Cheapest way to ship 5 to 10 lbs
• Cheapest way to ship heavy packages (10–70 lbs)
• Why the price you see is the price you pay
• How DIM weight affects your cost
• When USPS flat rate beats weight-based shipping
• How to get below-retail rates
• Cheapest shipping by package type
• Common mistakes that make shipping more expensive
• What changed with US shipping rates in 2026
• Frequently asked questions

Quick answer: cheapest carrier by weight

One note before the numbers: every rate in this guide is the discounted price you get with Shippo, not the retail price you'd pay at a Post Office, UPS Store, or FedEx counter. The free plan gets these rates with no minimum volume. And each price is all-in for delivery to a home address, residential fees included, so what you see is what you pay.

The table below shows the cheapest standard service for each weight, based on a cross-country shipment to a home address (Zone 8) priced on June 25, 2026.

Rates are Shippo prices for home delivery, San Francisco, CA to New York, NY (Zone 8), June 25, 2026. Your rate varies by origin, destination, dimensions, and date — always compare at time of purchase.

Cheapest starting point by use case

Weight isn't the only thing that decides the cheapest option. Here's where to start by what you're shipping:

Notice that the cheapest carrier isn't always the same one. USPS Ground Advantage wins at 8 oz, 2 lbs, and 10 lbs, but UPS Ground Saver slips under it at 5 lbs. That's the case for comparing rates on every shipment instead of defaulting to one carrier — for a deeper carrier-by-carrier breakdown, see USPS vs. UPS vs. FedEx: which is cheaper in 2026?

Find your cheapest shipping rate. Create a free Shippo account to compare live USPS, UPS, FedEx, and DHL Express rates for your exact package — across 40+ carriers in seconds — and buy the discounted label on the spot. No monthly fee, no volume minimum.

Cheapest way to ship under 1 lb

For packages under 1 lb, USPS Ground Advantage is the cheapest standard option. It replaced USPS First Class Package Service in 2023 and now covers all packages under 70 lbs on one weight-based rate structure. (For a full breakdown of how it works, see our USPS Ground Advantage guide.)

Here's what an 8-oz package (6"×4"×2") costs to ship cross-country to a home address (Zone 8):

Rates: Shippo prices, home delivery, San Francisco, CA to New York, NY, June 25, 2026.

USPS Ground Advantage edges out UPS Ground Saver by $0.28 here, with $100 of built-in package protection and tracking on every shipment. For shorter routes, it's cheaper still.

One exception: USPS Media Mail at $4.47. If you're shipping books, CDs, DVDs, vinyl records, printed music, or other eligible educational media, Media Mail is the cheapest domestic service by a wide margin. It's restricted to qualifying content and slower (2–8 days), but it works if your items qualify.

Cheapest way to ship 1 to 5 lbs

USPS Ground Advantage holds the lead through most of this range. Here's a 2-lb package (12"×8"×4") to a home address cross-country:

Rates: Shippo prices, home delivery, San Francisco, CA to New York, NY, June 25, 2026.

The four standard ground options are all within about $1.50 of each other here, so the cheapest one can flip depending on your exact box, weight, and route. At the top of this range (around 5 lbs), the order changes — see the next section.

Cheapest way to ship 5 to 10 lbs

This is the one weight band in our tests where USPS Ground Advantage didn't come out cheapest. For a 5-lb package (14"×10"×8") to a home address, UPS Ground Saver won:

Rates: Shippo prices, home delivery, San Francisco, CA to New York, NY, June 25, 2026.

UPS Ground Saver came in $2.28 below USPS Ground Advantage on this shipment. Ground Saver is an economy service built for lower-cost residential delivery, and in this middle weight range it priced below the others. It's a good reminder that the cheapest label isn't always the one you'd expect — comparing rates on the actual shipment is the only way to know.

By 10 lbs, the order flips back (see below). Box size matters across this whole range: packing a 6-lb product into an oversized box can trigger dimensional weight charges on UPS and FedEx. Right-sizing your packaging, or using a poly mailer for soft goods, keeps costs down on every carrier.

Cheapest way to ship heavy packages (10–70 lbs)

At 10 lbs, USPS Ground Advantage retakes the lead. Here's a 10-lb package (16"×12"×8") to a home address cross-country:

Rates: Shippo prices, home delivery, San Francisco, CA to New York, NY, June 25, 2026.

USPS Ground Advantage has a 70-lb limit and stays competitive across most of this range, especially for shorter and mid-distance zones. As packages get heavier and larger, two things shift the math: USPS applies dimensional weight once a package exceeds 1 cubic foot (1,728 cubic inches), and UPS Ground and FedEx Ground become more competitive on long-haul routes. For anything over about 20 lbs, compare all four ground services at time of purchase.

For packages over 70 lbs, USPS Ground Advantage doesn't apply — UPS Ground and FedEx Ground are the main options.

Why the price you see is the price you pay

The important thing when you compare options: don't compare a carrier's base rate to a Shippo rate. Compare the final label price. Every rate Shippo shows is the total for that exact shipment — including residential delivery fees when they apply — so there's no surcharge math to do after the fact.

This is where buying direct can mislead you. On standard UPS and FedEx ground services, home delivery adds a residential surcharge (around $6.50 per package) that a base-rate quote doesn't show. Economy services like UPS Ground Saver and FedEx Ground Economy are built for low-cost home delivery, so that cost is already part of the price you see — in the 5-lb example above, it landed below what commercial delivery would have cost.

How DIM weight affects your cost

Dimensional weight (DIM weight) is how UPS and FedEx price packages that are large for their weight. They charge whichever is higher, actual weight or dimensional weight. The formula:

DIM weight = (length × width × height in inches) ÷ DIM divisor

FedEx uses a divisor of 139 for US packages. UPS's divisor varies by rate type — UPS lists 139 for Daily Rates and 166 for Retail Rates. USPS Ground Advantage applies dimensional weight only to packages over 1 cubic foot (1,728 cubic inches), where it bills the greater of actual or dimensional weight.

Take a 14"×10"×8" box (1,120 cubic inches) that weighs 5 lbs:

For packages that are bulky but light — clothing, pillows, cosmetics, candles — USPS Ground Advantage often comes out ahead because it bills on actual weight under that threshold. The practical move on every carrier: use the smallest box that protects your product, and switch to a poly mailer for soft goods.

When USPS flat rate beats weight-based shipping

USPS flat rate boxes ship at a fixed price regardless of weight or zone. That makes them a useful option for heavy, dense items going long distances — but a poor choice for light packages or short routes.

Current USPS Priority Mail flat rate retail prices (approximate, effective April 26, 2026):

Approximate USPS retail prices per USPS Notice 123, effective April 26, 2026; verify current pricing at purchase. Rates with Shippo are lower.

The decision rule: Flat rate wins when your package is both (1) heavy enough that weight-based rates would exceed the flat rate price, and (2) going a long distance (Zone 5+).

A 10-lb package going Zone 8 runs about $17–21 on weight-based ground; a Medium Flat Rate Box at retail is about $24.80 (less with Shippo), so weight-based usually still wins until the package gets heavier or denser. The same Medium box really pays off for compact, heavy items going cross-country — think hardware, books in bulk, or canned goods.

One common mistake: using flat rate boxes just because the box is free. USPS Priority Mail flat rate boxes are free to order at usps.com — but you must ship them with Priority Mail flat rate service. Using them with any other service isn't permitted.

How to get below-retail rates

Retail rates at the USPS counter, UPS Store, and FedEx Office are higher than the rates you get through Shippo. The gap varies by carrier and service, but it's real money on every label.

Shippo's rates come from volume agreements negotiated across our entire merchant base, so a seller shipping 20 packages a month gets the same rates as one shipping 20,000 — no negotiating, no contract. The free Starter plan includes up to 30 labels per month with access to discounted USPS, UPS, FedEx, and DHL Express rates. Paid plans add higher label volumes and more automation.

If you're buying labels at a carrier counter or website without a business account, you're paying more than the rates shown throughout this guide.

Running a small shop? The same playbook applies at low volume — compare discounted rates before you buy each label. For tactics aimed specifically at small sellers, see our guide to cheap USPS shipping for small businesses.

One option worth knowing about for small, dense packages: USPS Priority Mail Cubic pricing. For items like jewelry, supplements, or hardware, cubic pricing is based on package volume and zone rather than standard weight-based pricing, and it's available on every Shippo plan. Eligibility limits apply: the package must be 0.50 cubic foot or less, weigh 20 lbs or less, and have no dimension over 18 inches. For a small, heavy item in a compact box, it can beat standard Priority Mail or even Ground Advantage.

Cheapest shipping by package type

Different package types have different cost structures. Here's where to start for common categories:

Clothing and soft goods: Poly mailers instead of boxes. A poly mailer weighs almost nothing and avoids dimensional weight on every carrier. For a lightweight clothing item, USPS Ground Advantage in a 6-oz poly mailer runs around $6–8 cross-country. Switching from a box to a mailer across 100 shipments a month adds up fast.

Books, CDs, DVDs, vinyl, printed music: USPS Media Mail. Starts at $4.47 via Shippo. Restricted to qualifying content, no advertising, slower delivery (2–8 days), but the cheapest domestic option for eligible media. The restriction is enforced — Media Mail packages can be opened for inspection.

Jewelry, dense small items, cosmetics: Look at USPS Priority Mail Cubic pricing through Shippo. For small boxes where volume is low but weight is significant, cubic pricing can undercut standard weight-based rates.

Heavy, large items (furniture parts, industrial goods, oversize products): Compare UPS Ground and FedEx Ground for packages over 20 lbs. At high weights on long-haul routes, these become competitive with USPS Ground Advantage. Watch dimensional weight on oversized boxes.

Orders going to customers in multiple regions: Your average zone matters. A seller based in Kansas ships to roughly Zone 3–4 on average; a seller in San Francisco ships to Zone 4–5. If you're consistently shipping cross-country, Shippo's rate comparison surfaces the cheapest option on every order — useful exactly because, as the tables above show, the winning carrier changes by route and weight.

Common mistakes that make shipping more expensive

A few habits quietly inflate shipping costs. The quickest wins come from avoiding these:

• Using a box when a poly mailer would work.
• Using flat rate packaging for a light shipment.
• Shipping books with standard ground instead of Media Mail.
• Defaulting to USPS, UPS, or FedEx without comparing.
• Ignoring dimensional weight on large, lightweight boxes.
• Buying labels at the counter instead of using discounted rates.

What changed with US shipping rates in 2026

USPS made two rate adjustments in the first half of 2026. The first took effect January 18, 2026, raising most domestic services by roughly 7–8% on average. The second, effective April 26, 2026, added about 8% on top as a time-limited adjustment. The combined effect is roughly 15–16% higher than late 2025 retail rates for most Ground Advantage and Priority Mail services.

UPS, FedEx, and DHL each implemented a 5.9% general rate increase (GRI) effective January 2026, consistent with recent years.

USPS Media Mail was excluded from the April 26 adjustment, which is part of why the gap between Media Mail and Ground Advantage has widened. The time-limited surcharge runs through January 17, 2027.

Compare current rates with Shippo at time of purchase — the rates in this article reflect the June 25, 2026 pricing tier.

Frequently asked questions

Is USPS always the cheapest way to ship a package?

Usually, but not always. In our tests, USPS Ground Advantage was cheapest for an 8-oz, 2-lb, and 10-lb package to a home address, but UPS Ground Saver beat it at 5 lbs ($11.16 vs. $13.44). The cheapest carrier depends on weight, zone, dimensions, and whether you're delivering to a home or business, which is why comparing rates on each shipment beats defaulting to one carrier.

What is the cheapest way to ship a 5 lb package?

For a 5-lb package (14"×10"×8") to a home address cross-country (Zone 8) on June 25, 2026, UPS Ground Saver was cheapest at $11.16, with USPS Ground Advantage close behind at $13.44. For shorter routes, both are cheaper. Compare both at time of purchase.

Are residential delivery surcharges included in the rates?

Yes. Every Shippo rate is the all-in price for the shipment, including any residential delivery fee, so you don't add surcharges afterward. Economy services like UPS Ground Saver and FedEx Ground Economy are built for lower-cost residential delivery, with the final mile handled by the carrier or USPS depending on the service and destination.

What is dimensional weight, and how does it affect my shipping cost?

Dimensional weight (DIM weight) is how UPS and FedEx price packages by size rather than actual weight, when size works out heavier. The formula is length × width × height (in inches) ÷ a DIM divisor (139 for FedEx; UPS uses 139 for Daily Rates and 166 for Retail Rates). A 5-lb product in a 14"×10"×8" box can bill at around 9 lbs on UPS and FedEx at the 139 divisor. USPS Ground Advantage doesn't apply DIM weight to packages under 1 cubic foot, which helps for large, lightweight items.

How do I get discounted shipping rates without a high-volume contract?

Shippo provides rates on USPS, UPS, FedEx, and DHL Express through volume agreements negotiated across its whole merchant base. A seller shipping 20 packages a month gets the same rates as one shipping 20,000. The free Starter plan includes up to 30 labels per month at these rates — no monthly fee, no minimum volume.

Ready to find your cheapest option? Compare USPS, UPS, FedEx, and DHL Express rates for your exact package before you buy. Compare rates with Shippo — free to start.