United is letting you stretch your legs for less.

United Airlines is offering 30% off their Economy Plus option. That is an extra 5" of legroom near the front of the economy cabin.

Here is a sampling of their price cuts (this is for one way on Economy Plus):

Washington D.C.(IAD) to New York (JFK): $ 14 / $ 9
San Francisco (SFO) to Phoenix (PHX): $ 29 / $ 20
Chicago (ORD) to Boston (BOS): $ 39 / $ 27
Los Angeles (LAX) to Philadelphia (PHL): $ 54 / $ 37
Denver (DEN) to London (LHR): $109 / $ 76
Los Angeles (LAX) to Sydney (SYD): $149 / $104

You must book by this Thursday in order to get the 30% savings. For full terms and conditions head on over to United Airlines. When there you will be linked to United's "My Itinerary" page in which you must sign in with your Mileage Plus number or become a member.