Priority Mail Express Cost: Current Prices & Fees
Starting price
$37.05
Priority Mail Express starts at $37.05 at a Post Office, according to USPS. The final price depends on weight, distance, and whether you use a flat rate envelope.
Priority Mail Express is the fastest domestic service the US Postal Service sells. USPS describes it as 1 to 3 day delivery by 6 PM with a money-back guarantee, and it includes tracking and a set amount of insurance. It is priced well above Priority Mail and USPS Ground Advantage, so it is worth knowing what drives the number before you pay.
The price comes from one of two systems. Flat rate envelopes cost the same regardless of weight or destination. Everything else, including your own box, is priced by weight and by zone, which is a measure of the distance between the origin and destination ZIP Codes. The sections below cover both, plus the cheaper online route.
How much does Priority Mail Express cost?
Start with flat rate. If your item fits an envelope, you pay the envelope price, and that price does not rise with distance. Three styles exist: standard, legal, and padded.
Flat rate envelopes (Post Office price)
| Item | Price |
|---|---|
| Flat Rate Envelope | $38.25 |
| Legal Flat Rate Envelope | $38.55 |
| Padded Flat Rate Envelope | $39.25 |
Source: USPS: Notice 123 price list
Flat rate gets better value when the item is heavy for its size or the trip is long. A bundle of documents going coast to coast costs the same as one going across town.
Priority Mail Express by weight and zone
If you use your own box or an item that does not fit an envelope, the price depends on weight and zone. USPS publishes a grid. The first column is for nearby zones and the last is for the most distant zone. The table shows how much a package of a given weight can cost from the nearest to the farthest zone.
By weight, Zone 1-2 to Zone 9 (Post Office price)
| Item | Typical range | Relative price range |
|---|---|---|
| Up to 0.5 lb | $37.05 – $72.70 | |
| Up to 1 lb | $37.30 – $86.05 | |
| Up to 2 lb | $37.65 – $99 |
Source: USPS: Notice 123 price list
The spread is wide. A half pound package costs far more to send to the farthest zone than to a nearby one, and the gap grows with weight. That is why flat rate often wins for heavier shipments, while the weight and zone route is cheaper only for very light items going short distances.
Zones are set by distance. Zone 1 and 2 cover local and nearby areas, and higher zones extend across the country, with Zone 9 reaching the farthest points the grid includes. Use the USPS price calculator to find the zone for your ZIP Codes.
Is it cheaper online?
Yes. USPS prices the same service lower when you buy a label online rather than at the counter. For a flat rate envelope, the difference is several dollars.
Online price
| Item | Price |
|---|---|
| Flat Rate Envelope, online (Commercial Pricing) | $33.46 |
The online price applies when you pay for postage on the USPS site or through an approved shipping tool. If you ship often, the saving adds up. You can print a label at home and either hand the package to a carrier on its route or drop it at a Post Office.
What affects the price
Beyond the basic price, a few details change what you pay:
- Package weight: heavier packages move up the grid.
- Destination zone: farther destinations cost more unless you use a flat rate envelope.
- Buying channel: online is cheaper than the counter.
- Envelope or box: flat rate envelopes ignore weight, but only if the flap closes within the normal folds.
- Insurance: coverage beyond what the service includes costs extra. USPS says shipments valued above a set amount may need additional insurance.
- Delivery options: Sunday and holiday delivery has its own rules, so ask at the counter when you need it.
Priority Mail Express or Priority Mail?
Priority Mail Express costs more because it adds speed and a delivery guarantee. Priority Mail delivers in a few days and costs much less. If the item has a hard deadline, such as an application with a cutoff date, an important legal document, or a part someone needs by tomorrow, Express makes sense. If a couple of extra days will not matter, Priority Mail saves a lot.
Express also differs from commercial overnight carriers. UPS and FedEx sell their own next-day services with different prices and surcharges. Compare the final price for your package, including any fuel and residential charges, instead of the starting price alone.
How to ship with Priority Mail Express
- Pick your container: a USPS flat rate envelope or box, or your own packaging.
- Price it with the USPS calculator, using the actual weight and ZIP Codes.
- Buy postage online to get the lower price, or take the package to a Post Office.
- Keep the receipt and tracking number.
- Ask for a signature option if the recipient needs to sign.
If the package is late, the money-back guarantee has conditions, so read the terms on the USPS site before you file a claim.
Frequently asked questions
How much is Priority Mail Express shipping?
Prices start at $37.05 at the counter. A flat rate envelope costs $38.25.
How much does a half pound Priority Mail Express package cost?
It ranges from $37.05 – $72.70 depending on the destination zone.
How much is a one pound or two pound package?
A one pound package ranges from $37.30 – $86.05. A two pound package ranges from $37.65 – $99.
What does a legal or padded flat rate envelope cost?
The legal envelope costs $38.55, and the padded envelope costs $39.25.
How much is it online?
A flat rate envelope bought online costs $33.46, below the counter price.
Is Priority Mail Express guaranteed?
USPS advertises a money-back guarantee with delivery by 6 PM in 1 to 3 days, with limited exceptions.
Sources and methodology
-
USPS: Notice 123 price list (opens in a new tab)
USPS · Manually verified · Retrieved
-
USPS: Priority Mail Express prices (opens in a new tab)
USPS · Manually verified · Retrieved
Data last changed Oct 13, 2026. How we collect and update prices