The 2025 USPS temporary holiday rates are officially coming to an end. Those peak pricing adjustments wrap up on January 18, 2026, and with them comes a transition to USPS’s new 2026 rate changes.

If you ship regularly, this matters — because January 18th marks both the end of holiday pricing and the start of USPS’s updated pricing for the year. Below is the simple breakdown.

At a glance: what most sellers will feel starting January 18, 2026
  • Lightweight Ground Advantage (< 1 lb) up ~4% on average
  • Many Ground Advantage 10–20 lb shipments down up to 26%
  • Most weight-based Priority Mail up to 13%
  • Priority Mail 11–20 lb down up to 8%
  • Media Mail: no change

❄️ Holiday Pricing Ends January 18, 2026

USPS applied temporary peak-season pricing throughout the holiday rush to manage higher shipping volume. Those surcharges expire on January 18th. Once they’re gone, rates briefly normalize — but on that same day, USPS rolls out updated 2026 pricing.

January 2026 USPS Rate Changes

Actual prices still depend on weight, dimensions, zone, and service — but the patterns below are what you’ll see most often.

USPS Ground Advantage

  • Increase Shipments under 1 lb: average ~4% increase
  • Decrease Many 10–20 lb shipments: cheaper by up to 26%
  • Mid-weight packages: mixed changes depending on zone/weight

Priority Mail (Weight-Based)

  • Increase Most rates: up to 13%
  • Decrease 11–20 lb shipments: down up to 8%

Priority Mail Cubic

  • Increase Smaller cubic tiers to Zones 1–4: up to 5%
  • Decrease Larger cubic tiers: down up to 3%

Priority Mail Express

  • Increase Average increase: ~2%
  • Some Flat Rate Express packaging: small decreases (see below)

Media Mail

  • No change Media Mail rates stay the same in 2026

Signature Services

  • No change Signature Confirmation remains $3.95
  • Increase Adult Signature increases to $9.70

Flat Rate Packaging Changes

ServiceChangeDirection
Flat Rate Envelope-$0.20Decrease
Padded Flat Rate Envelope-$0.10Decrease
Legal Flat Rate Envelope-$0.10Decrease
Small Flat Rate Box-$0.15Decrease
Medium Flat Rate Box+$0.30Increase
Large Flat Rate Box+$0.15Increase
APO/FPO/DPO Large Flat Rate Box+$0.30Increase

Priority Mail Express Flat Rate Packaging

ServiceChangeDirection
PME Flat Rate Envelope-$0.15Decrease
PME Legal Flat Rate Envelope-$0.15Decrease
PME Padded Flat Rate Envelope-$0.10Decrease

Nonstandard & Dimension Fees (Where Sellers Get Surprised)

If you ship larger or oddly shaped packages, these can add up fast. Double-check dimensions before you buy labels — it’s the easiest way to avoid “wait… why did this cost more?” moments.

Fee TypeGround AdvantagePriority Mail / Express
Nonstandard length > 22"$4.50$4.50
Nonstandard length > 30"$10$21
Nonstandard volume > 2 cubic feet$21$35
Dimension noncompliance fee$3.00$3.00
Nonstandard characteristic fee$4.50$4.50

International USPS Rate Changes

International services are seeing broader increases overall. Here’s what to expect on average:

ServiceWhat’s changing
First Class Package InternationalIncreasing by up to 16% (average ~8%)
Priority Mail InternationalIncreasing by up to 15% (average ~4%)
Priority Mail Express InternationalIncreasing by up to 16% (average ~5%)
Simple Export Rate Most shipments: +$1 • Canada (1–8 oz): +$2 • Often still the most cost-effective option

How Thryft Ship Handles Rate Changes

Thryft Ship automatically applies commercial USPS pricing and keeps rates updated behind the scenes as changes roll out. That means:

Less guesswork

  • You don’t need to memorize rate tables
  • Pricing updates are already built into the platform

More control

  • You see accurate costs before you buy a label
  • You can compare services quickly and ship with confidence

Questions about your 2026 shipping mix?

If you want help choosing the most cost-effective option for your packages — or figuring out why a label price changed — DM us. We’re happy to talk it through.

Note: All changes apply to USPS shipments with ship dates January 18, 2026 and beyond. Actual prices vary by weight, zone, dimensions, and service.

Thryft Ship — Shipping smarter every day.