These hotel locations provide some alternatives in case the options listed on the main accommodations page are filling up.

Wilsonville:

Best Western

http://book.bestwestern.com/bestwestern/US/OR/Wilsonville-hotels/BEST-WESTERN-Wilsonville-Inn---Suites/Hotel-Overview.do?propertyCode=38165

Holiday Inn

http://www.priceline.com/holiday-inn-wilsonville-wilsonville-oregon-or-151402-hd.hotel-reviews-hotel-guides?plf=PCLN&refid=PLGOOGLECPC&refclickid=D%3AcDSA_DS_91324739_Oregon_Rest_Of_Oregon1g53368092779&irefid=HPZAGAT&irefclickid=HI

Quality Inn

http://www.priceline.com/quality-inn-wilsonville-wilsonville-oregon-or-151315-hd.hotel-reviews-hotel-guides?plf=PCLN&refid=PLGOOGLECPC&refclickid=D%3AcDSA_DS_91324739_Oregon_Rest_Of_Oregon1g53368092779&irefid=HPZAGAT&irefclickid=HI

each of the Wilsonville items is directly off of I-5 which means it easier to get back to the airport or to visit Portland if you like.

(14.3 mi) via SW Wilsonville Rd

Tigard:

Grand Hotel

http://grandhotelbridgeport.com/

Embassy Suites

http://embassysuites3.hilton.com/en/hotels/oregon/embassy-suites-portland-washington-square-PDXBVES/index.html

Quality Inn

http://www.qualityinn.com/hotel-tigard-oregon-OR190?source=pmftripblaw&pmf=tripbl

Tigard is down highway 99 from Newberg.

(14.7 mi) via OR-99W S

McMinnville:

Comfort Inn

http://www.comfortinn.com/hotel-mcminnville-oregon-OR177?source=pmftripblaw&pmf=tripbl

Red Lion

http://www.redlion.com/McMinnville?chebs=tabl-rl-mccinville

McMinnville Inn:

http://www.tripadvisor.com/Hotel_Review-g51963-d585088-Reviews-McMinnville_Inn-McMinnville_Oregon.html

McMinnville is about equidistant from the others but it is harder to get to a little bit (it's in the country like Newberg is, but further out)

McMinnville to Newberg

(14.3 mi) via OR-18 E and OR-99W N