Ship Smarter and Save More with USPS + ShipStation

Get up to 89% off USPS shipping rates, print labels in seconds, and simplify your entire USPS shipping workflow with ShipStation.

USPS Retail Rates vs. ShipStation Rates

Want to know how much USPS shipping really costs? Compare standard retail rates with the discounted prices you get through ShipStation. From First Class to Priority Mail Express®, see how much you can save on every package — domestic or international.

 

 

USPS Service Retail Price* ShipStation Price* Max Savings
Priority Mail® $9.90 $5.89 Up to 40%
Priority Mail Express® $28.75 $20.50 Up to 29%
First Class Package® $5.25 $14.50 Up to 24%
Ground Advantage™ $8.95 $3.99 Up to 42%
Priority Mail Intl.® $45.00 $39.50 Up to 12%
First Class Intl.® $22.00 $19.50 Up to 11%
Media Mail® $4.63 $3.92 Up to 15%
Priority Mail Express Intl.® $59.50 $54.74 Up to 8%
*Prices are examples and vary by weight, zone, and package size.

Rates are variable and subject to change

Available USPS Services via ShipStation

Select a service below to learn more about shipping times, features, and how to use it in ShipStation.

First Class Package®

Ground Advantage™

Priority Mail®

Priority Mail Express®

Media Mail®

First Class Intl.®

Priority Mail Intl.®

Priority Mail Express Intl.®

First Class Package®

    • Delivery time: 1–5 business days
    • Type: Domestic, lightweight items under 16 oz
    • Ideal for: Envelopes, small parcels, subscription boxes
    • Tracking included: ✅
    • Why use it? Cheapest USPS option for light packages with full tracking.

Ground Advantage™

    • Delivery time: 2–5 business days
    • Type: Domestic, up to 70 lbs
    • Ideal for: General eCommerce shipping at affordable rates
    • Tracking included: ✅
    • Why use it? Combines First Class + Parcel Select into one streamlined, budget-friendly service.

Priority Mail®

    • Delivery time: 1–3 business days
    • Type: Domestic, up to 70 lbs
    • Ideal for: Time-sensitive orders, general eCommerce
    • Tracking included: ✅ + $100 insurance
    • Why use it? Fast, affordable, and versatile — includes Flat Rate and Regional Rate options.

Priority Mail Express®

    • Delivery time: Overnight–2 days
    • Type: Domestic, up to 70 lbs
    • Ideal for: Urgent deliveries needing guaranteed speed
    • Tracking included: ✅ + $100 insurance
    • Why use it? Fastest USPS service with money-back delivery guarantee.

Media Mail®

    • Delivery time: 2–8 business days
    • Type: Domestic, up to 70 lbs (books, media only)
    • Ideal for: Books, DVDs, educational materials
    • Tracking included: ✅
    • Why use it? Extremely low-cost option for approved media types.

First Class International®

    • Delivery time: 7–21 days
    • Type: International, up to 4 lbs
    • Ideal for: Light, non-urgent international packages
    • Tracking included: Partial (country dependent)
    • Why use it? Best-value service for small global parcels.

Priority Mail International®

    • Delivery time: 6–10 business days
    • Type: International, up to 70 lbs
    • Ideal for: Mid-weight global orders needing reliability
    • Tracking included: ✅ + $200 insurance
    • Why use it? Balanced speed, price, and protection for global shipments.

Priority Mail Express International®

    • Delivery time: 3–5 business days
    • Type: International, up to 70 lbs
    • Ideal for: Urgent international deliveries
    • Tracking included: ✅ + $200 insurance
    • Why use it? Fastest international USPS option with tracking and coverage.

How USPS Shipping Works in ShipStation

  1. 1. Connect your Store(s) – Sync orders from Shopify, Amazon, WooCommerce & more
  2. 2. Choose USPS – ShipStation automatically shows USPS rates alongside other carriers
  3. 3. Compare, Select, Print – Pick the best option, print the label, and schedule a pickup
  4. 4. Track & Notify – Automatically send branded tracking emails to your customers

USPS Shipping – FAQs & Answers

How do I ship a package with USPS?
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To ship a package with USPS, follow these steps:

  1. Pack your item securely and weigh it.
  2. Choose a USPS service based on speed and budget (e.g., First Class, Priority Mail).
  3. Purchase and print a shipping label online or at a USPS location.
  4. Attach the label to your package.
  5. Drop it off at a USPS mailbox or post office, or schedule a pickup.

USPS offers services for domestic and international shipments with tracking and delivery options for every need.

Does USPS ship internationally?
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Yes, USPS provides international shipping to over 190 countries. Common services include:

  • First-Class Package International® – Affordable for small, light parcels
  • Priority Mail International® – Reliable and cost-effective for larger items
  • Priority Mail Express International® – Fastest USPS international option

International shipments require customs forms, which are typically included with online label purchases.

Does USPS ship on Sunday?
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USPS delivers on Sundays only for certain services:

  • Priority Mail Express® – Available 365 days a year, including Sundays and holidays
  • Amazon packages – In select areas as part of USPS’s last-mile delivery partnership

For most standard services (First Class, Priority, Ground Advantage), Sunday delivery is not available.

When does USPS stop shipping for the day?
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USPS delivery hours typically end around 5:00 to 6:00 PM local time. However, actual cutoff times may vary depending on:

  • Your local post office hours
  • Volume of deliveries
  • Mail class (Express services can deliver later)

Retail locations generally stop accepting packages shortly before closing.

Does USPS deliver on weekends?
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Yes, Saturday delivery is standard for most USPS services, including:

  • First-Class Mail®
  • Priority Mail®
  • Ground Advantage™

Sunday delivery is limited to Priority Mail Express® and select Amazon shipments in metropolitan areas.

How much is shipping with USPS?
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USPS shipping rates depend on:

  • Package weight
  • Size and dimensions
  • Destination (zone or country)
  • Service speed

Typical starting prices:

  • First-Class Package: from $4.00
  • Priority Mail: from $8.00
  • Priority Mail Express: from $26.00
  • Ground Advantage:from $6.00
Does USPS offer overnight shipping?
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Yes, USPS offers overnight delivery through Priority Mail Express®, its fastest service. It includes:

  • Guaranteed overnight to 2-day delivery to most U.S. addresses
  • Sunday and holiday delivery in many locations
  • Tracking and insurance included
How long does USPS take to ship?
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Estimated delivery times by USPS service:

  • First-Class Package: 1–5 business days
  • Ground Advantage™: 2–5 business days
  • Priority Mail®: 1–3 business days
  • Priority Mail Express®: 1–2 days (guaranteed)
  • Media Mail®: 2–8 business days
  • International: 3–21 days depending on service and destination

Delivery times are estimates and may vary based on distance, volume, and holidays.

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