United has some relatively low fares from Newark EWR and Atlanta ATL to Europe. Newark to Dublin, Ireland is $532 round trip in late fall and winter November to March 2017; Rome is $636. Atlanta to Rome is $646 to $675, depending on airline with Air Canada, Austrian, Brussels, Lufthansa, and Swiss flights, in addition to United-operated flights.
United Airlines Newark EWR – Rome FCO (nonstop flights)
$636.06 Wednesday November 2 – Wednesday November 9
Atlanta to the other Athens in Greece $696.16 round trip
United Airlines ticket flying Air Canada, Austrian, Swiss and United
Tuesday, November 22 – Tuesday November 29, 2016
Looks like United Airlines is striking back at Delta for its major airfare sale today from Washington IAD, San Francisco SFO, Houston IAH, Denver DEN and Cleveland CLE to dozens of cities in Europe for travel November 2016 to March 2017.
Loyalty Traveler – Fare Alert SkyTeam Denver, Cleveland, Houston, IAD, SFO to Dublin, Istanbul or Moscow $376 to $518 (May 13, 2016).
Loyalty Traveler – Fare Alert $376 Delta SFO to Dublin (May 13, 2016).