Hard shell suitcase
32 × 22 × 14 in
20 lb packed
Cross-border luggage
Shipping luggage overseas
A packed suitcase is heavier than USPS's cheapest overseas tier allows, which is the detail most searches on this topic skip. First-Class Package International Service tops out at 4 lbs; an ordinary checked bag clears that with the shoes alone. What follows is the weight class that actually applies, a domestic-leg example priced from Berkeley Heights, NJ to a Miami forwarder hub on 2026-08-18, and where the ocean or air crossing gets quoted.
Domestic leg, quotedUSPS limits read 2026-08-18Crossing priced by a person
The leg we can price
Berkeley Heights, NJ to a Miami forwarder hub, quoted 2026-08-18. The crossing itself is a separate quote.
The domestic leg, quoted 2026-08-18
Both rows below ran through the SMKlog calculator from Berkeley Heights, NJ 07922 to Miami, FL 33101, a common forwarder-hub lane for freight heading out of the country. This is the leg our checkout actually prices; the border crossing on top of it is not.
Duffel bag
30 × 18 × 12 in
15 lb packed
Route
Berkeley Heights, NJ 07922
to Miami, FL 33101
| Carrier | Service | Price | Estimated transit |
|---|---|---|---|
| UPS | Ground | $68.20 | 5-6 business days |
| FedEx | Ground Economy | $90.03 | 5-6 business days |
| UPS | Ground Saver | $91.49 | about 5 business days |
| FedEx | Ground | $96.76 | 5-6 business days |
| UPS | 3 Day Select | $128.62 | 5-6 business days |
| Carrier | Service | Price | Estimated transit |
|---|---|---|---|
| UPS | Ground | $50.65 | 5-6 business days |
| FedEx | Ground Economy | $60.77 | 5-6 business days |
| UPS | Ground Saver | $73.40 | about 5 business days |
| FedEx | Ground | $81.85 | 5-6 business days |
| UPS | 3 Day Select | $90.96 | 5-6 business days |
The soft-sided duffel undercut the hard shell case on every service, purely on packed weight and box volume. Neither row includes anything for the border crossing itself; a forwarder or a carrier's own international service prices that leg separately, and it is not something our checkout quotes.
Why the postal floor doesn't apply to a suitcase
USPS sorts overseas parcels into weight classes, and the cheapest one is far smaller than most people assume. First-Class Package International Service, USPS's lightest tier, caps out at 4 lbs (64 oz), per usps.com, read 2026-08-18. A packed suitcase is nowhere near that light, so it never reaches the cheapest postal option in the first place.
| Product | Maximum weight | Fits a packed suitcase |
|---|---|---|
| First-Class Package International Service | 4 lbs | No, unless nearly empty |
| Priority Mail International, Flat Rate | 4 to 20 lbs depending on box | Rarely, the boxes are fixed-size |
| Priority Mail International, by weight | Up to 70 lbs | Yes, for most packed bags |
The 70 lb figure is the general ceiling; usps.com states some countries carry a lower restriction and points senders to the country-specific listing for the actual destination. A suitcase headed to the United Kingdom, for instance, is capped at 66 lbs on that country's own page rather than the general 70. Check the listing for wherever the bag is actually going before assuming the general number holds.
The lever that actually cuts the bill
The largest saving on an overseas suitcase rarely comes from picking a carrier. It comes from routing the bag through a US forwarding address first. You buy an ordinary domestic label to the forwarder, they consolidate your box with others heading the same direction, and the crossing is billed across a container load instead of to one suitcase.
That first leg is the ordinary domestic shipment priced in the table above. Describe the packed bag in the calculator and it returns live rates to a forwarder's warehouse or a port-city address. What happens to the bag after it reaches that address, the actual overseas movement, is arranged by whoever receives it, and our checkout does not book that part. A fuller walk-through of the forwarder method, not specific to luggage, sits on our cheapest way to ship overseas guide.
What FedEx adds once the box crosses a border
FedEx publishes packing and process rules for luggage specifically, separate from its ordinary box-and-tape guidance, and the international half of that page carries requirements the domestic half does not. Read from fedex.com on 2026-08-18.
A customs form with a value on it
The page instructs shippers to complete a customs form covering the item, its contents and its value. That document travels with the box rather than being sorted out at drop-off.
Attached outside, copied inside
Customs documents go securely on the outside of the box with a second copy kept inside — the page's own instruction, written so the paperwork survives a label that gets scuffed or torn along the way.
A longer runway
Domestic luggage gets 2 to 3 business days of lead time on that page. International gets 5 to 7 business days for customs and delivery, and the page warns that rules differ by country and missing details cause delays.
The same page tells shippers to keep restricted items like food, alcohol and batteries out of a box crossing a border, and states plainly that FedEx does not accept liability for damage to luggage in transit. None of that is our rule; it is FedEx's own published instruction for its own international service, quoted here rather than sold. UPS, for its part, publishes no retail starting price for commercial international service at all — that side is quoted against an account, a service and a destination.
Three things that decide the bill
Box it, don't bag it
A bare suitcase gets treated as its own container by every network it crosses, and an international route has more handoffs than a domestic one. Boxing it protects the shell over the longer chain of hands.
Weigh before choosing a tier
The postal floor ends at 4 lbs. A packed bag jumps straight past it to a weight-priced tier, so guessing the class instead of weighing the sealed box is the fastest way to book the wrong product.
Declare it, and warn the recipient
Every parcel leaving the country needs a customs form, and duty is usually billed to whoever receives it. Naming the likely charge before the bag ships avoids most refusals at the other end.
Packing method and lithium-battery items packed inside luggage (chargers, electric razors, curling irons with a battery) follow the same rules as shipping those devices on their own; our luggage shipping cost guide covers domestic packing in more depth, and the value thresholds that decide when overseas duty starts sit on our cross-border thresholds page.
Where these facts come from
- USPS, First-Class Package International Service — the 4 lb (64 oz) maximum weight. Read 2026-08-18.
- USPS, Priority Mail International — the 70 lb maximum for packages sent by weight, the Flat Rate box weight tiers, and the note that some countries set a lower restriction. Read 2026-08-18.
- FedEx, How to Ship and Package Luggage — the international customs form, the document placement instruction, the restricted-item caution, the 5 to 7 business day international lead time and the luggage liability disclaimer. Read 2026-08-18.
Country-specific listings can lower these general figures, and carrier pages change without notice. Check the listing for the actual destination before booking, and treat the numbers above as what usps.com published on the date shown.
Traveler questions
How much does it cost to ship luggage overseas?
There is no single figure, because the ocean or air crossing is priced separately from the domestic leg. What we can quote is the domestic leg to a forwarder: a boxed hard shell suitcase came back at $68.20 to $128.62 and a duffel bag at $50.65 to $90.96, both from Berkeley Heights, NJ to a Miami, FL forwarder hub on 2026-08-18. The crossing itself is priced by the carrier or forwarder handling that leg.
Can I ship a full suitcase internationally through USPS?
Not on the cheapest tier. First-Class Package International Service caps at 4 lbs, per usps.com, read 2026-08-18, and a packed suitcase clears that in the first few items of clothing. Priority Mail International allows packages sent by weight up to 70 lbs, per usps.com, though some countries publish a lower ceiling, so check the destination's own country listing before assuming the general figure applies.
What's the cheapest way to send luggage overseas?
A domestic forwarding address, in most cases. Ship the boxed bag to a US forwarder on an ordinary domestic label, and the forwarder consolidates it with other parcels for the crossing, spreading the export cost instead of billing it to one suitcase. That first leg is the part our calculator prices to the dollar.
Does a suitcase need to be boxed to ship overseas?
Yes. An unboxed bag is treated as its own container by every network it passes through, and an international routing adds more handoffs than a domestic one. Box it, pad the corners, and the shell survives the trip the same way it would domestically, only over a longer chain of hands.
Who pays customs duty on shipped luggage?
The recipient, by default, and every parcel leaving the country needs a customs form declaring what's inside. Personal effects and used clothing are usually treated differently from new merchandise, so describe the contents honestly and warn whoever receives the box that a charge may be waiting at the door.
What does FedEx require for a luggage shipment leaving the country?
Per its own how-to-ship-luggage page, read 2026-08-18: complete a customs form covering the item, its contents and its value, attach the customs documents securely to the outside of the box and keep a copy inside, keep restricted items like food, alcohol and batteries out, and allow 5 to 7 business days for customs and delivery against 2 to 3 days for a domestic shipment. The same page states FedEx does not accept liability for damage to luggage in transit.