There isn’t a single standard price for “rush shipping to Boulder, CO” for orders under 20 dollars; it varies by store, carrier, package size/weight, and how fast you need it.

Typical cost range

For small consumer orders under 20 dollars going to Boulder, CO, rush or expedited shipping is usually in this ballpark:

  • USPS Priority Mail / comparable 2–3 day options: often around 8–15 dollars for a small parcel, depending on weight and zone.
  • 1–2 day air via UPS/FedEx: more commonly in the 15–30+ dollar range for small parcels, sometimes higher if the item is heavy or oddly sized.
  • Many online stores calculate rush shipping at checkout based on your address and package weight, so you’ll see the exact fee only after entering your shipping info.

Because Boulder is a well‑served city with UPS, FedEx, USPS and local pack‑and‑ship stores, you’ll almost always have multiple rush options, but none of them are flat “Boulder only” rates.

Why you don’t see a fixed price

Most sites either:

  • Offer free or cheap ground shipping above a certain order total but charge extra for rush; or
  • Let the carrier API (UPS/FedEx/USPS) quote the exact rush rate based on weight, dimensions, and your ZIP code.

So for an order under 20 dollars , it’s very common that rush shipping to Boulder will cost as much as or more than the item itself.

Quick way to find your exact cost

To get the real number for your situation:

  1. Add the item(s) to your cart on the site you’re using.
  2. Enter your Boulder shipping address (or just ZIP) and continue to shipping.
  3. Compare:
    • Economy/ground (often cheapest or sometimes free above a threshold)
    • Priority/expedited (2–3 days)
    • Express/overnight (1 day, usually most expensive).

If you tell me the specific store or website (e.g., Amazon, a particular brand’s site), I can help you interpret their rush options and what’s likely the best value for a sub‑20‑dollar order.