Icelandair, a low-cost Icelandic air carrier have round trip airfares travelling from Philadelphia (PHL) to Frankfurt Germany (FRA) for $392, making 1 stop in Iceland. A longer stay-over in Iceland is an option at no additional charge. Your airfare includes a carry-on bag.
Departs PHL: Oct 9, 16, 23, 30; Nov 6, 13, 20
Returns: available for 9, 10 days stay
Use dates and book it on Expedia [expedia.com]
. Bundling hotel with airfare will save money.
Icelandair's baggage information [icelandair.com]
. Learn more about the Icelandair Stopover program [icelandair.com]