It depends where from and what type of mail service you wish to use.
It depends on where you send it from.
$.29
how much does it cost to send a postcard?How is that an answer?http://postcalc.usps.gov/Postcards.aspx says $0.28 for regular sized and $0.44 for large. As of 12/2/09
It will cost approximately 98 cents to send a postcard to France from the US. However, the postcard will take about 3-4 weeks to actually arrive to its France destination.
It all depends on how much you'r postcard weighs. The more it weighs, the more money it will cost.
Php 14.00
One Euro.
Currently, 34 cents.
The current USPS postcard rate from the US to Chile is 94 cents.
A standard 3.25 by six inch postcard requires 27 cents in postage.
2,10 E -- as of September, 2011
First Class International Rate, $0.98