Under 4 lb, one-off parcel
USPS First-Class Package International Service is the simplest and usually the cheapest way to actually deliver into Canada. No account, no contract, a counter transaction.
Cross-border cost
The cheapest way to ship to Canada
Under 4 lb, USPS First-Class Package International Service is hard to beat at a published $19.40 to start, and Canada sits inside the more than 180 countries it reaches. Heavier than that, the postal ladder climbs to Priority Mail International, and a courier contract only makes sense once there is enough volume to sign one. USPS and UPS figures below were read on 2026-08-28; we cannot sell either label ourselves, since our checkout prices domestic parcels only.
USPS & UPS prices, datedRead 2026-08-28Domestic border-hub leg, quoted
Weight decides the tier
Four pounds is the line between USPS's cheapest option and everything above it.
What USPS and UPS actually publish for Canada
USPS is the only one of the two with a retail price a private shipper can simply pay. UPS Worldwide Economy exists, but it sits behind a contract rather than a counter rate, which changes who this option is really for.
| Service | Who can buy it | Published starting price | Weight ceiling | Stated timing |
|---|---|---|---|---|
| USPS First-Class Package International Service | Anyone, at a counter or Click-N-Ship | Retail prices start at $19.40 | 4 lb (64 oz) | USPS states delivery varies by destination |
| USPS Priority Mail International | Anyone, at a counter or Click-N-Ship | $32.65 Flat Rate Envelope, or from $43.55 by weight | 4 lb for the Flat Rate Envelope and small box, up to 70 lb by weight | 6 to 10 business days to many major markets |
| UPS Worldwide Economy | Contract holders only, per UPS's own terms | No retail counter price published | Not stated on the page read | 5-8 days with duties prepaid (DDP), 5-12 days billed to the recipient (DDU) |
USPS names Canada explicitly in its Priority Mail International coverage list, alongside Mexico and Australia. UPS's own wording is blunter about the contract requirement: Worldwide Economy is "offered on a contract-only basis," which is why it never appears as a walk-up rate the way a Priority Mail label does. For most one-off personal parcels, that alone settles which of the two is cheaper to actually obtain.
Prepaying duty changes what your recipient sees
USPS also sells a Delivered Duty Paid option for outbound parcels, and Canada is on the list of destinations it covers. It is not automatically cheaper, but it removes a step that otherwise slows a parcel down at the Canadian side.
USPS states that its DDP service "allows senders to understand the total cost of delivery upfront and prepay those costs in advance," calculated at Click-N-Ship, a retail counter or through its shipping software. Choose it and the import duties, taxes, fees and a third-party service charge are added to the postage before the label prints; skip it and the recipient in Canada is billed separately once the parcel arrives, on top of whatever USPS's own delivery fee for handling a dutiable item comes to. Nineteen countries are on the eligible list, Canada among them, alongside the UK and most of the EU.
The domestic leg to a border-adjacent hub
A large share of shippers sending regularly to Canada never buy an international label at all. They ship to a forwarder near the border on an ordinary domestic label, and the forwarder handles the crossing as a consolidated load rather than one parcel at a time. That first leg is exactly what our checkout prices, so here is what it looks like against a real border city.
| Carrier | Service | Price | Transit window returned |
|---|---|---|---|
| UPS | Ground Saver | $11.47 | Not supplied |
| USPS | Ground Advantage | $11.53 | 2-3 business days |
| UPS | Ground | $11.56 | 4-5 business days |
| FedEx | Ground Economy | $11.68 | 4-5 business days |
| USPS | Priority | $15.14 | 2-3 business days |
Four of those five landed inside a quarter of a dollar of each other, which makes the transit window worth more attention than the price on a run this short. Nothing in that table includes the border crossing itself; a forwarder charges separately for consolidating and clearing the load, and that fee is not one our checkout returns. What it does show is that the run to a border city costs about what any other mid-country domestic parcel costs, which is the whole appeal of routing through one.
Picking between the three routes
Regular volume to Canada
A UPS or courier contract starts paying for itself once enough parcels move to justify the paperwork of setting one up, which is why it is priced per account rather than published as a retail rate.
Heavy or bulky, or a friend collecting it
The domestic leg to a border hub is the one route we can actually quote to the dollar. The crossing itself is arranged by whoever receives it at the other end, the same way it is for any overseas forwarder.
Whichever route carries the parcel, the CUSMA-based duty thresholds that decide whether a Canadian recipient owes anything sit on our Canada, Mexico and UK duty page, and the customs form itself is covered on our customs forms and HS codes guide. The broader question of postal against courier against freight for any destination, not Canada specifically, is worked through on our cheapest way to ship overseas guide.
Where these facts come from
- USPS, First-Class Package International Service — the $19.40 starting price, the 4 lb ceiling and the 180-plus country reach. Read 2026-08-28.
- USPS, Priority Mail International — the $32.65 and $43.55 starting prices, the 6 to 10 business day window and the explicit mention of Canada. Read 2026-08-28.
- USPS, Prepaid Import Duties — the DDP mechanism, the nineteen eligible destinations including Canada, and how the charge is added at the point of sale. Read 2026-08-28.
- UPS, UPS Worldwide Economy — the contract-only basis and the 5-8 / 5-12 day DDP and DDU transit figures. Read 2026-08-28.
Carrier prices and eligibility change without notice. Treat the figures above as what each carrier published on the date shown, and confirm the current page before committing a shipment.
Common questions
What is the cheapest way to ship to Canada?
For a small, light parcel, USPS First-Class Package International Service is the floor: retail prices start at $19.40 for anything up to 4 lb, and Canada is one of the destinations it reaches. Past that weight, Priority Mail International takes over, and a courier contract such as UPS Worldwide Economy only pays off once volume justifies signing one.
Does USPS ship to Canada, and how much does it cost?
Yes. USPS names Canada directly among the more than 180 countries its Priority Mail International product reaches, with a Flat Rate Envelope starting at $32.65 and by-weight pricing from $43.55, delivered in 6 to 10 business days to many major markets. First-Class Package International Service is cheaper still, from $19.40, but caps at 4 lb.
Can I use UPS Worldwide Economy to Canada?
Only with a contract. UPS states that Worldwide Economy is offered on a contract-only basis, so it is not a rate a private individual buys at a counter the way a USPS parcel is. UPS quotes transit as 5 to 8 days when duties are prepaid and 5 to 12 days when the recipient pays them at delivery.
Is there a cheaper way than buying a Canada label directly?
Often, yes, if the volume justifies it. Routing the box to a forwarder near the border first turns the trip into an ordinary domestic parcel for the leg we can actually price, and the border crossing gets consolidated with other freight rather than billed to one box alone. It is not a shortcut around duty, just a cheaper first leg.
Will my Canadian recipient still owe duty?
Possibly, depending on the declared value. Canada's own courier and mail thresholds decide that, and they are covered in full, with sources, on our Canada, Mexico and UK duty page. Picking the cheapest shipping method does not change what the recipient is assessed at the border.