From United Airlines: Europe sale for Late Summer through Winter travel

Save on late summer through winter travel to Europe with the latest sale from United.

Fares are valid for departure through March 31, 2017. There is a 14-day advance purchase requirement.

Minimum stay: 7 days; Maximum stay: 6 months.

Avoid blackout dates: December 15, 2016, through January 8, 2017.

Tickets must be booked by 11:59pm, August 19.

Sale fares include:

Boston, MA to Zurich, Switzerland $676 round trip, non-stop

Newark, NJ to Amsterdam, Netherlands $666 round trip, non-stop

Newark, NJ to Barcelona, Spain $645 round trip, non-stop

Newark, NJ to Belfast, United Kingdom $543 round trip, non-stop

Newark, NJ to Brussels, Belgium $670 round trip, non-stop

Newark, NJ to Edinburgh, United Kingdom $695 round trip, non-stop

Newark, NJ to Geneva, Switzerland $666 round trip, non-stop

Newark, NJ to Hamburg, Germany $705 round trip, non-stop

Newark, NJ to Zurich, Switzerland $676 round trip, non-stop

Houston, TX to Frankfurt, Germany $783 round trip, non-stop

Houston, TX to Munich, Germany $766 round trip, non-stop

San Francisco, CA to Frankfurt, Germany $833 round trip, non-stop

San Francisco, CA to Zurich, Switzerland $775 round trip, non-stop

Washington, D.C. to Amsterdam, Netherlands $666 round trip, non-stop

Washington, D.C. to Brussels, Belgium $670 round trip, non-stop

Washington, D.C. to Frankfurt, Germany $737 round trip, non-stop

Washington, D.C. to Geneva, Switzerland $666 round trip, non-stop

Washington, D.C. to Munich, Germany $717 round trip, non-stop