Star Alliance

Denver to Paris $427-$480 AA/DL/UA Jan-May 10

Icelandair/AA/DL/UA $387-$457 Seattle to Brussels, Copenhagen, Stockholm and more

Phoenix to Barcelona or Madrid United $508-$568 Jan-April

Phoenix to Spain $548-$600 DL-UA Barcelona, Madrid and more

Newark to Paris $470, Rome, Barcelona, Madrid $499 United-Star Alliance Jan-May

a screenshot of a travel website

AA/DL/UA Denver to Paris $448, Amsterdam $444, many cities $431-$544

Star Alliance $564-$579 SFO to Barcelona Dec-May

United Newark to Italy and Spain $478-$500 Jan-May 2017

Air Canada $477, DL $492, LH $542 Philadelphia to Barcelona or Madrid Dec-May

boats on the water

SAS LAX to Copenhagen $494 Jan 11-March 31 2017

BoardingArea