United Airlines is the only airline that has been offering a summer First Class promotion to Europe. Due to expire May 31, it was extended until Jun. 30. On a Chicago-London route, the savings can be as high as 48%: United charges $3,952, versus American’s $7,650. United has also extended its domestic First Class promotion, which was due to expire May 27.
United First Class Summer Fares
[table_opt style="gray-header" id="754 " width="" alignment="center" responsive="all" heading="thcenter" rows="tdcenter"]
[["<strong>Route<\/strong>","<strong>R\/T Fare<\/strong>"],["Boston - Munich**","$3,476"],["Dallas - Zurich**","$3,876"],["Denver - Washington, DC*","$1,438"],["Las Vegas - Chicago*","$1,542"],["San Francisco - Pittsburgh*","$1,734"],["Washington, DC - Brussels**","$3,676"]]
<small><em>* Ticketing deadline, Jun. 30. Travel must be completed by Sep. 9. 60-day advance required.
** 21-day advance required.</em></small>