21p
Only one postage stamp is needed. However, it needs to be for 98 cents.
99 cents in a standard envelope.
As of August 2013, a regular letter from the USA to the Philippines requires $1.10 postage. Additional charges may apply for letters outside the regular size limits, rigid objects, insurance, or special services.
Postage to Europe from the US is 98 cents for a one-ounce letter.
To reach the letter in proper place
3
Domestic postage is $1.39 for an ordinary envelope of uniform thickness.
This depends on where you are mailing the letter from, and the dimensions and weight of the letter.
$0.33 for a small one or $0.46 for a big one. Wow!
That will depend on where in the world the letter is being posted from.
For a first class letter of one ounce to another US destination, it takes 44 cents of postage.
According to the U.S. Postal Service website, it costs 98 cents to mail a letter from the US to the Philippines. It will cost more if you want speedy delivery or are sending anything larger or heavier than a plain letter envelope. Reference: http://postcalc.usps.gov/