United Airlines launched a fare war to Spain from American Airlines hubs at Dallas/Phoenix/Charlotte/Philadelphia with fares as low as $388 to Madrid and Barcelona, Spain for departures from September to April 2017. Most routes are available for around $400 round trip. Charlotte CLT has low fare only to Madrid.
American Airlines has low fares today from six United hubs to Germany, Austria, Switzerland and Portugal in the $400s. Update: Also AA low $400s from JFK-Stockholm and low $500s JFK – Oslo, Washington IAD – Copenhagen.
Loyalty Traveler – American $423 New York JFK to Stockholm, Washington IAD to Copenhagen $553 (June 8).
United Airlines Philadelphia PHL – Barcelona BCN Spain
$387.76 (UA economy K class) Wed Oct 5 – Thu Oct 13
United Airlines Phoenix PHX – Madrid Spain
$395.76 Fri Oct 21 – Sat Oct 29
United Airlines Dallas DFW – Madrid Spain
$407.26 Sun Apr 9 – Sun Apr 16
Low fare for this flight is Air Canada Rouge. United operated flights are available for a couple dollars more. The example below shows Lufthansa operated flight for Charlotte to Madrid ticket.
Charlotte CLT – Madrid MAD
$412.56 Wed Mar 15 – Sat Mar 25
Loyalty Traveler – Hotel Promotions Guide