LES 2017 Annual Meeting

Hotel and Travel Information

Chicago Marriott Downtown Magnificent Mile
540 North Michigan Avenue
Chicago, IL 60611
More Information


Non-U.S. Citizens Entering the United States
NON-U.S. citizens traveling to the United States from their point of origin must contact the U.S. consulate, high commission or embassy for information before leaving your home country. You can find out what documents you need to enter the United States and get any recent changes in the U.S. immigration policies. You can also find out whether or not you will need a temporary visa and the cost, if applicable.


If you are traveling to the United States from visa-requiring countries https://travel.state.gov/content/visas/en.html please contact the U.S. State Department, Bureau of Counselor Affairs and they will provide you with the information needed to obtain a VISA. You can also find detailed information on what you should know when visiting the United States from an international destination by clinking on this link https://www.cbp.gov/travel/international-visitors.

If you need a letter of invitation to attend the LES 2017 Annual Meeting, you may obtain it by making request through the LES email box at [email protected]. Please provide your full name, title, organization, and complete mailing address.


October weather in Chicago varies from crisp and sunny to cool. October, much like September, has the potential to show visitors very comfortable days and evenings with mild temperatures and clear skies.

  • Average October temperature: a comfortable 63°F
  • October average high: 64°F
  • October average low:  43ºF

There are usually 6 hours of bright sunshine each day, which represents 56% of the 11 hours of daylight. The average sea temperature in and around Chicago in October is 14°C (57°F).
What to pack for Chicago in October:

  • Warm clothing; sweaters, light jackets, heavier jacket; closed-toe shoes, boots
  • Sunglasses
  • Warm hat

Thermal underwear makes chilly winter days easier to withstand.


LES is pleased to offer domestic and international travel discounted airline travel from two major airlines, Delta and United Airlines for LES 2017 Annual Meeting, Chicago, IL.

Save Up to 25% with Delta Airlines

Delta Airlinesis offering  travel discounts to LES 2017 Annual Meeting attendees, from 3% to a maximum of 25% for international travelers  for travel dates between October 16, 2017 – October 30, 2017.

Reservations and ticketing is available via www.delta.com/meetings or by calling our Delta Meeting Network Reservations at 800-328 1111. When booking online at www.delta.com/meetings, select ‘Book Your Flight and enter the  LES Meeting Code:  NMQMF.

Book Online

Save Up To 10% with United Airlines

United Airlines is offering the 2% to 10% off for travel dates between October 18, 2017 – October 28, 2017.

Reservations and ticketing is available via www.UNITED.com or by calling our United Reservations Meetings Desk at 800-426-1122 and provide the LES Meeting Code ZYU7.  Passengers outside of the US 50 States & Canada, call your professional travel agency, book online via www.united.com or email [email protected] and provide or preferred itinerary, Agreement Code: 917346 AND LES Meeting Code ZYU7.

Book Online