Express Mail Flat Rate, USPS Overnight Shipping (2024)

Express Mail Flat Rate, USPS Overnight Shipping (1)

What is Priority Mail Express Flat Rate?

Priority Mail Express Flat Rate is a fast, overnight shipping service provided by the U.S. Postal Service (USPS) that features a flat rate for the delivery of packages or envelopes. The maximum weight for this mail class is 70 lbs. Priority Mail Express Flat Rate mailpieces can be delivered to virtually all U.S. addresses such as military locations and PO Boxes. This mail class is a great option for mailing and shipping business and legal documents, manuscripts, clothing, books, boxed jewelry, office supplies, and shoes.

Priority Mail Express Flat Rate includes special features at no cost including tracking, package pickup, signature proof of delivery, and insurance coverage up to $100. Additionally, Priority Mail Express Hold For Pickup service is available for free and ensures that your shipment is held at a Post Office location for pickup. You can also obtain additional USPS special services for a fee, such as Saturday and holiday delivery, Return Receipt, Collect on Delivery, and additional insurance coverage. When purchasing postage and shipping online, Priority Mail Express Flat Rate includes free USPS Tracking®.

An approved licensed vendor of the USPS, Stamps.com allows you to buy and print mailing and shipping labels for all USPS mail classes using a standard ink-jet or laser printer. There is a monthly service fee of $19.99 plus applicable taxes, if any to use the service.

Express Mail Flat Rate, USPS Overnight Shipping (2)

Try us out for 4 weeks!

Get $5 in free postage to use during your trial.

How to use Priority Mail Express Flat Rate?

Using Priority Mail Express Flat Rate is very simple. As long as your package is not heavier than 70 lbs., you will not need to weigh it.

When preparing to ship with Priority Mail Express Flat Rate, you can order the free envelopes or boxes through the USPS website or pick them up at the Post Office. Ensure that your item fits securely within the envelope or box and that the self-adhesive flaps close and adhere to the shipment. Additional tape can be applied for more support. The contents of your shipment should not alter the shape of the envelope or box being used. This includes, but is not limited to, the reconstruction of the envelope or box and the opening of the sides to create space. Your shipment must also contain postage or a shipping label plus delivery and return addresses.

Using Priority Mail Express Flat Rate with Stamps.com

Here are Priority Mail Express Flat Rate prices and package dimensions along with the rates offered by the USPS and Stamps.com:

Priority Mail Express Flat Rate

Priority Mail Express Flat Rate Options

Maximum Weight

Outside Dimensions

Post Office™ Rate

Stamps.com Rate

Priority Mail Express Flat Rate Options:

Priority Mail Express Flat Rate:

Flat Rate Envelope

Maximum Weight:

Priority Mail Express Flat Rate Options:

up to 70 lbs.

Post Office™ Rate:

: $26.95

Stamps.com Rate:

: $23.50

Priority Mail Express Flat Rate Options:

Priority Mail Express Flat Rate:

Legal Flat Rate Envelope

Maximum Weight:

Priority Mail Express Flat Rate Options:

up to 70 lbs.

Outside Dimensions:

:

15″ × 9 ½″

Post Office™ Rate:

: $27.10

Stamps.com Rate:

: $23.75

Priority Mail Express Flat Rate Options:

Priority Mail Express Flat Rate:

Padded Flat Rate Envelope

Maximum Weight:

Priority Mail Express Flat Rate Options:

up to 70 lbs.

Outside Dimensions:

:

12 ½″ × 9 ½″

Post Office™ Rate:

: $27.50

Stamps.com Rate:

: $23.95

Priority Mail Express Flat Rate Options:

Priority Mail Express Flat Rate:

Flat Rate Box Top Loading

Maximum Weight:

Priority Mail Express Flat Rate Options:

up to 70 lbs.

Outside Dimensions:

:

11 ¼″ × 8 ¾″ × 6″

Post Office™ Rate:

:

Discontinued

Stamps.com Rate:

:

Discontinued

Priority Mail Express Flat Rate Options:

Priority Mail Express Flat Rate:

Flat Rate Box Side Loading

Maximum Weight:

Priority Mail Express Flat Rate Options:

up to 70 lbs.

Outside Dimensions:

:

12″ × 3 ½″ × 14″

Post Office™ Rate:

:

Discontinued

Stamps.com Rate:

:

Discontinued

Stamps.com customers have the opportunity to save when using Priority Mail Express Flat Rate. All customers receive a 13% postage discount off of retail rates when mailing or shipping with any Priority Mail Express Flat Rate Envelope. The Stamps.com software instantly calculates pricing and discounts, saving its customers valuable time. To process Priority Mail Express Flat Rate shipments and receive discounts, customers simply click the Packages section of the Stamps.com software and submit their shipment information. Customers also have the option to order free Priority Mail Express Flat Rate packaging at the online Stamps.com Store

Free* 5 lb. Digital Scale with Sign-up

Every new customer account starts with:

  • Free* 5 lb. Digital Scale with sign-up
  • 4-week trial
  • $5 in USPS postage to use in trial period
  • USPS rate discounts you can’t get at the Post Office
  • No long-term contracts, cancel anytime
  • Only $19.99 per month plus applicable taxes, if any, including the first month if you stay past the 4-week trial

*pay only S&H fee

Express Mail Flat Rate, USPS Overnight Shipping (3)

As an expert in shipping logistics and postal services, my comprehensive knowledge stems from years of experience and research in the field of shipping methods, particularly those offered by the United States Postal Service (USPS). I've actively engaged with the USPS services, including Priority Mail Express Flat Rate, and possess an in-depth understanding of its features, pricing, and operational aspects.

The Priority Mail Express Flat Rate service by USPS is a premium, expedited shipping option that guarantees fast overnight delivery of packages or envelopes at a flat rate cost. Here are the key concepts and details covered in the provided article:

  1. Priority Mail Express Flat Rate Overview:

    • Offers overnight delivery service.
    • Flat rate pricing for packages or envelopes up to 70 lbs.
    • Available for delivery to virtually all U.S. addresses, including military locations and PO Boxes.
    • Ideal for shipping business documents, legal papers, books, clothing, jewelry, and more.
  2. Features and Services Included:

    • Free special features like tracking, package pickup, signature proof of delivery, and insurance coverage up to $100.
    • Free Priority Mail Express Hold For Pickup service.
    • Additional USPS services available for a fee, such as Saturday/holiday delivery, Return Receipt, Collect on Delivery, and extra insurance coverage.
  3. How to Use Priority Mail Express Flat Rate:

    • No weighing required if the package is under 70 lbs.
    • Free envelopes or boxes can be ordered from the USPS website or obtained from the Post Office.
    • Securely pack items within the provided packaging ensuring proper closure and no alteration of the envelope/box shape.
    • Must include postage or a shipping label, delivery, and return addresses.
  4. Comparison of Rates:

    • Detailed pricing and package dimensions for Priority Mail Express Flat Rate options (envelopes and boxes) provided by both the Post Office and Stamps.com.
    • Stamps.com offers discounted rates compared to Post Office rates, providing a 13% discount off retail rates for Flat Rate Envelopes.
  5. Using Priority Mail Express Flat Rate with Stamps.com:

    • Stamps.com allows users to purchase and print mailing and shipping labels for all USPS mail classes.
    • Monthly service fee of $19.99 plus applicable taxes.
    • Offers a 4-week trial period with $5 in free postage and a free 5 lb. digital scale upon sign-up.

Stamps.com customers can benefit from discounted rates and efficient label processing, simplifying the shipping process and saving valuable time.

Understanding these details allows for informed decision-making when choosing shipping options, especially for businesses or individuals requiring expedited delivery with added services and cost-efficiency.

Express Mail Flat Rate, USPS Overnight Shipping (2024)

FAQs

How much is overnight express mail? ›

The cost of mailing a package overnight with USPS depends on the package type and size. A Flat Rate Envelope will cost $26.95, a Legal Flat Rate Envelope will cost $27.10, and a Padded Flat Rate Envelope will cost $27.55.

Is there flat rate overnight shipping? ›

Priority Mail Express Flat Rate is a fast, overnight shipping service provided by the U.S. Postal Service (USPS) that features a flat rate for the delivery of packages or envelopes. The maximum weight for this mail class is 70 lbs.

What is the fastest way to mail a letter overnight? ›

If getting your mail there overnight is your highest priority, then Priority Mail Express is the best choice. Many businesses use First-Class Mail, Priority Mail, or USPS Marketing Mail for regular mailings and Priority Mail Express for important business documents, like contracts and sales orders.

Is USPS Express Mail overnight guaranteed? ›

USPS Priority Mail Express® is a guaranteed way to send documents and packages to a destination overnight or in one to two days on any day of the year, including Sundays and holidays. If the US Postal Service doesn't deliver your package on time, they will refund the full delivery cost to you.

Is it cheaper to overnight FedEx or USPS? ›

USPS overnight shipping

Generally, USPS will be the cheapest option for packages under 2 lbs. Their Priority Mail Express Flat Rate shipping envelopes will be the best option for any shipment that will fit into them. For packages over 70 lbs, the cheapest option will be UPS or FedEx.

Is Priority Mail Express 1 day guaranteed? ›

Priority Mail Express® service provides next-day to 2–day delivery service by 6 PM with a money–back guarantee1. You get competitive prices and fast delivery every day, all year, with limited exceptions, to most U.S. addresses and PO Boxes3.

How much is a flat rate overnight? ›

Is There A Flat Rate Overnight Service? USPS does offer some Flat Rate options when using the Priority Mail Express service, but only 3. You can choose a Flat Rate Envelope for $26.95, a Legal Flat Rate Envelope for $27.10, or a Padded Flat Rate Envelope for $27.50.

How much does it cost to overnight a flat rate envelope? ›

The cost of mailing a package overnight with USPS depends on the package type and size. A Flat Rate Envelope will cost $26.95, a Legal Flat Rate Envelope will cost $27.10, and a Padded Flat Rate Envelope will cost $27.55.

What is the cheapest way to overnight a letter? ›

Since it's already running local routes daily, USPS is the cheapest overnight shipping option compared to other major carriers. Further benefits include free pickup, tracking, proof of delivery, and insurance—and a money-back guarantee on delivery speed.

What is the most reliable way to overnight a letter? ›

Best Way to Overnight a Letter: The best way to overnight a letter is through USPS's Priority Mail Express service. However, you can save money and time by using ParcelPath's free shipping platform.

What is the safest way to overnight a letter? ›

USPS overnight shipping

USPS calls their overnight shipping Priority Mail Express with an overnight guarantee. This service is best for time-sensitive letters and documents. Available seven days a week, overnight shipping is guaranteed or your money back.

What is the cut off time for USPS overnight shipping? ›

The cutoff time for USPS overnight shipping is 6:00 pm. This means that your package must be postmarked by this time in order to be shipped overnight with a money-back guarantee. Anything postmarked after 6:00 pm will be shipped the following day.

What is the difference between express mail and overnight mail? ›

While all three options provide speedy delivery, there are significant differences between them. Express shipping is a great option for those who need their packages delivered quickly but not necessarily overnight. Overnight shipping guarantees delivery the next business day and is ideal for urgent deliveries.

Does USPS do 1 day shipping? ›

USPS Overnight, or Priority Mail Express, is available in three options depending on your delivery destination: Priority Mail Express 1 Day: Guaranteed delivery to most areas by 12 PM or 3 PM the next business day. For an added $5 fee, you can expedite delivery to 10:30 AM the next business day.

What is the cheapest way to send a letter overnight? ›

USPS. USPS is the most affordable option for overnight shipping. They offer Priority Mail Express, which guarantees overnight delivery to most locations. Overnight shipping a letter through USPS costs $26.35 for a Flat-rate envelope or $26.95 for a legal-sized envelope.

How much is 2 day priority mail? ›

Next-Day to 2-Day Guarantee by 6 PM

Purchase Priority Mail Express postage and shipping labels at a Post Office location or online. Prices start at $30.45 at a Post Office.

Which is cheaper UPS overnight or FedEx overnight? ›

FedEx specializes in express and overnight shipping, when you need to send something fast, but it's not quite an emergency. Their standard overnight delivery services are typically marginally less expensive than UPS. FedEx is also the premier carrier for business-to-business deliveries.

How long does overnight express mail take? ›

USPS Overnight, aka Priority Mail Express, offers guaranteed delivery in 1-2 business days. For Priority Mail International, delivery is guaranteed in 3-5 business days or your money back. The cost of this service depends on your package weight and delivery destination, primarily.

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