American Philadelphia to Dublin $528, Paris $593, Lisbon $610 all nonstop flights

Philadelphia has a couple of fares to Europe under $600 today with Dublin $528 round trip nonstop and Paris $593 round trip nonstop flights. Low fare to Dublin is available from Sep 11 all the way into May 2017. Paris CDG nonstop flights for $593 round trip are available every date Sep 16 to Oct 29, then rise to upper $700s, until March 16 when they once again drop to $593 round trip most dates into May 2017.

Portugal and Spain are on sale from late August through October. Lisbon ($610-$629 nonstop) and Porto ($627-$643 via Madrid) low fares may be motivated by TAP Portugal low fares across Spain from Miami. AA has lowered fares to Barcelona ($685) and Madrid ($690) too.

There are a few other Eastern European cities on sale with Krakow, Poland $628 to $657 late August to early Dec. Budapest, Hungary $666 – $688 late August to early Dec and Sofia, Bulgaria $676 – $680 late August to early Dec.

American Airlines Philadelphia PHL – Dublin, Ireland DUB

$527.46 round trip Tue Sep 20 – Tue Sep 27

American Airlines Philadelphia PHL – Paris CDG

$592.86 round trip Fri Sep 16 – Sun Sep 25

American Airlines Philadelphia PHL – Lisbon LIS

$609.76 round trip Tue Aug 23 – Wed Aug 31

Loyalty Traveler curated Airfare Deals and Google Flights and Kayak Explore tutorials.