How much it costs to ship to Canada from the US depends on four things: the parcel’s billable weight, the service speed you choose, where in Canada it is going, and the duties, taxes and brokerage charges collected at the border. For a light package up to 4 pounds, USPS First-Class Package International Service is usually the least expensive tracked option, while heavier boxes often price better by USPS Priority Mail International or UPS Standard to Canada.
Carrier prices change with every rate update and differ by weight and postal code, so this guide does not quote figures. Instead it explains what drives the total, how the services compare, and how much of the bill depends on Canadian customs. To see the actual price for your box, compare live USPS and UPS rates to Canada in the ParcelPath rate calculator.
What determines the cost to ship to Canada?
Every Canada shipping quote is built from the same inputs. Knowing which ones you control is the fastest way to lower the total:
| Cost factor | How it affects the price | What you can do |
|---|---|---|
| Billable weight | The greater of actual weight and dimensional weight sets the price band | Use the smallest box that protects the item |
| Service level | Express services cost more than ground or economy postal services | Match the speed to the real deadline |
| Destination | Remote and northern addresses can cost more or take longer than cities near the border | Check the recipient’s postal code before quoting |
| Carrier surcharges | Fuel, residential and handling surcharges apply to courier services | Compare postal and courier options side by side |
| Duties and taxes | Charged on goods above Canada’s low-value thresholds | Declare accurately and keep gifts within the gift limit |
| Brokerage and handling | Couriers and Canada Post charge for clearing dutiable parcels | Know who pays before you ship |
How do USPS and UPS services to Canada compare?
USPS hands Canada mail to Canada Post for delivery. UPS runs its own cross-border ground network, which is often the deciding factor for heavier parcels and business shipments. Here is how the services compare on everything except price:
| Service | Expected delivery | Max weight | Best for |
|---|---|---|---|
| USPS First-Class Package International Service | Varies | 4 lb | Light, low-value items |
| USPS Priority Mail International | 6 to 10 business days | 66 lb; Medium and Large Flat Rate Boxes 20 lb | Most consumer parcels over 4 lb |
| USPS Priority Mail Express International | 3 to 5 business days to many major markets | 66 lb; Flat Rate Envelope 4 lb | Faster postal delivery with merchandise insurance |
| UPS Standard to Canada | 2 to 7 business days, day-definite | Per UPS package limits | Heavier boxes and business shipments by ground |
| UPS Worldwide Expedited | 2 to 5 business days | Per UPS package limits | Time-sensitive parcels that are not urgent |
| UPS Worldwide Express / Worldwide Saver | 1 to 3 business days | Per UPS package limits | Urgent shipments and documents |
USPS size limits to Canada are generous: Priority Mail International accepts parcels up to 79 inches long and Priority Mail Express International up to 59 inches, both with 108 inches combined length and girth. Global Express Guaranteed, which older guides list as USPS’s fastest Canada option, has been suspended since September 29, 2024.
USPS is accepting mail to Canada; Canada is not on the USPS list of suspended destinations (checked October 22, 2026). Canada Post labor disputes have interrupted service before, though: USPS stopped accepting Canada-bound mail in late November 2024 during a Canada Post strike and resumed on January 6, 2025, and a second strike in fall 2025 slowed deliveries again. When a strike is underway, UPS is unaffected because it does not rely on Canada Post. Our full guide to shipping to Canada from the USA covers transit times and carrier choice in more depth.
How do weight and box size affect what you pay?
Carriers price a parcel by its billable weight, which is the greater of the actual weight and the dimensional weight. UPS calculates international dimensional weight by multiplying length, width and height in inches and dividing by 139, and USPS can also apply dimensional weight to large Priority Mail International parcels.
For example, a 2-pound box measuring 24 × 18 × 12 inches has a dimensional weight of about 37.3 pounds (5,184 ÷ 139), which UPS rounds up to 38 pounds. You would pay the 38-pound price for a box that weighs 2. Gaming consoles show the opposite pattern: an Xbox or PS4 is dense, so its actual weight usually sets the price, and our guides on what it costs to ship each console cover packing them safely.
USPS Priority Mail International Flat Rate Boxes remove the weight question for dense items up to 20 pounds, because the price is the same whatever the contents weigh. They are worth comparing for books, tools and other heavy, compact goods. Our shipping calculator guide explains how carrier calculators turn weight and dimensions into a quote.
How much do duties and taxes add when shipping to Canada?
Whether the recipient pays anything at the border depends on the value of the goods and on whether the parcel travels by post or by courier. The Canada Border Services Agency sets these thresholds:
| Shipment | Duty | Sales tax (GST/HST, PST) |
|---|---|---|
| Postal parcel (USPS to Canada Post), CAD 20 or less | Waived | Waived |
| Postal gift, CAD 60 or less | Exempt | Exempt |
| Courier parcel (UPS) from the US, CAD 40 or less | Waived | Waived |
| Courier parcel from the US, over CAD 40 up to CAD 150 | Duty-free for qualifying US- or Mexico-origin goods | Charged |
| Courier parcel over CAD 150 | Charged at the tariff rate for the goods | Charged |
The courier thresholds reward UPS for mid-value goods: a parcel worth CAD 100 sent by courier pays sales tax but no duty, while the same parcel by post loses its exemption above CAD 20. Postal parcels above the exemption are collected by Canada Post, which adds its own handling fee, and UPS charges brokerage on parcels it clears. Goods that do not originate in the US or Mexico can attract duty even under CAD 150, so the country of origin on the customs form matters.
If a seller wants the buyer to pay nothing on delivery, USPS offers Delivered Duty Paid to Canada on dutiable Priority Mail Express International, Priority Mail International and First-Class Package International Service items, and UPS can bill duties and taxes to the shipper.
What can’t you ship to Canada?
Restricted items add cost through permits, returns or seizure. The USPS country listing prohibits alcoholic beverages including wine, firearms and replica munitions, gold bullion, non-refillable or fuel-filled lighters, and vaping liquids at or above 66 mg/g nicotine, among others. Meat products need a USDA export certificate, drugs and medicines must comply with Canadian law, and coins, jewelry and other valuables may travel only in insured parcels.
Food is the category that trips up most gift senders. Our guide to shipping perishables and food with ParcelPath covers packaging and carrier rules, and the walkthrough on how to ship frozen food explains insulation and transit planning for cold items.
How can you lower the cost to ship to Canada?
- Use First-Class Package International Service under 4 pounds. It is usually the lowest-cost tracked USPS option for small items.
- Compare UPS Standard to Canada for heavier boxes. Ground transport across the border can beat postal prices for larger parcels, and the higher courier duty threshold helps mid-value goods.
- Test a Flat Rate Box for dense items. Contents up to 20 pounds ship at one price in the Medium or Large box.
- Trim the box. Cutting a few inches off each side can drop the dimensional weight by several pounds.
- Consolidate. One box generally costs less than two, because each parcel carries its own base charge and surcharges.
- Write the province and postal code correctly. USPS requires the province name in the address, and our Canada address format guide shows the line order Canada Post expects.
- Buy discounted labels. ParcelPath is free to use, with no subscription, per-label fee or minimum, and offers up to 89% off USPS and up to 85% off UPS retail rates.
For shipments too big for parcel services, PalletPath handles LTL freight, and our guide to LTL freight shipping to Canada explains what drives pallet pricing; you can request an LTL freight quote online. If you also ship beyond Canada, compare options in our guides to the cheapest international shipping options and cheapest international shipping rates, and use the USPS international shipping calculator guide to see which inputs a Canada quote needs. The guide to shipping to North America and our roundup of shipping services and solutions round out the options.
Frequently Asked Questions
What is the cheapest way to ship a package to Canada?
For packages up to 4 pounds, USPS First-Class Package International Service is usually the cheapest tracked way to ship to Canada. Dense items up to 20 pounds can be cheaper in a USPS Priority Mail International Flat Rate Box, and heavier parcels often price best with UPS Standard to Canada. Compare all three for your exact weight and postal code.
Does the recipient pay customs charges on parcels from the US?
Sometimes. Postal parcels worth CAD 20 or less, and postal gifts up to CAD 60, enter Canada free of duty and tax. Courier parcels from the US are tax-free up to CAD 40 and duty-free up to CAD 150 for qualifying US-origin goods. Above those limits, the recipient pays duty, sales tax and a handling or brokerage charge unless the sender prepays.
How long does it take to ship to Canada from the US?
UPS Worldwide Express and Worldwide Saver deliver to Canada in about 1 to 3 business days, UPS Worldwide Expedited in 2 to 5, and UPS Standard to Canada in 2 to 7 business days. USPS Priority Mail International takes about 6 to 10 business days. Canada Post strikes have caused delays for postal parcels in recent years.
What is the maximum size and weight for shipping to Canada?
USPS Priority Mail International and Priority Mail Express International both accept up to 66 pounds to Canada, with a combined length and girth of up to 108 inches. Priority Mail International allows up to 79 inches in length. Flat Rate Boxes are capped at 20 pounds, and First-Class Package International Service at 4 pounds.
Sources
- USPS International Mail Manual: Canada country listing
- USPS International Service Alerts
- USPS: Again accepting mail and packages to Canada (January 2025)
- USPS: International Mail and Shipping Services
- UPS: International Shipping Services
- Canada Border Services Agency: The Canada-United States-Mexico Agreement, low-value shipments (cbsa-asfc.gc.ca/services/cusma-aceum/lvs-efv-eng.html)
Part of our North America guide. Related: Mexico, Canada, Envíos de Estados Unidos a México.
