Icelandair

Washington IAD/DCA to London $404-$558 American, Icelandair, Virgin Atlantic

San Jose SJC to Zurich, Switzerland $538 Icelandair

a screenshot of a flight schedule

AA/DL/UA/FI $421-$580 Seattle to 7 Cities in Europe Jan-March

United/Delta/Icelandair $401-$522 Denver to Paris, Amsterdam, Brussels, Frankfurt Jan-May

Star Alliance or Icelandair $380-$576 Chicago to France, Germany, UK, Benelux, Scandinavia Jan 10-May10, Greece/Eastern Europe Oct-May

Icelandair New York JFK to 10 cities in Europe $368-$507 round trip Jan-March

Star Alliance Seattle to Zurich $418 to $456 April-May 2017

Seattle to Brussels, Frankfurt, Manchester, Munich $475-$540 Jan-March

Fare Alert Icelandair SFO/SJC to Brussels or Munich $567-$596 Oct-Dec

AA/DL/UA/FI Seattle to Munich or Frankfurt Christmas Fares $500 round trip

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