Orbitz is pleased to offer airline tickets on United Airlines, which operates 2 regularly scheduled daily non-stop flights from Knoxville (TYS) to Chicago (ORD), departing between 4:44pm and 6:55pm, and 3 additional non-stop flights, departing between 6:13am and 9:07am on select days of the week. Usually an Embraer RJ145 Amazon or Canadair Regional Jet is flown for this route. The average travel time from Knoxville, TN to Chicago, IL is 1 hour and 54 minutes.

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Regularly Scheduled Flights to Chicago (ORD) from Knoxville (TYS)
				Daily Non-Stops		Select Non-Stop		Earliest Flight		Last Flight
	United Airlines			2		3		6:13am		6:55pm
	American Airlines			2		1		7:05am		2:30pm
	British Airways			1		-		2:30pm		2:30pm
	Japan Airlines			1		-		7:05am		7:05am
	Lufthansa			1		-		5:25pm		5:25pm
	All Nippon Airways			1		-		6:00am		6:00am

During your Chicago vacation, don't miss these great establishments and attractions:

John G. Shedd Aquarium
The Shedd is a city treasure and well deserving of its title as world's largest indoor aquarium. A mix of standard aquarium tanks and elaborate new habitats, this marble octagon building is filled with thousands of denizens of river, lake, and sea. The only problem with the Shedd is its steep admission price. You can keep your costs down by buying the "Aquarium Only" admission, but then you'll be missing some of the most stunning exhibits.The first thing you'll see as you enter is the Caribbean Coral Reef. This 90,000-gallon circular tank occupies the Beaux Arts-style central rotunda, entertaining spectators who press up against the glass to ogle divers feeding nurse sharks, barracudas, stingrays, and a hawksbill sea turtle. New technology includes an enhanced sound system and a roving camera connected to video monitors mounted on the tank's periphery, which gives visitors close-ups of the animals inside. It's worth sticking around to catch one of the daily feedings, when a diver swims around the tank and (thanks to a microphone) talks about the species and their eating habits.The exhibits surrounding the Caribbean coral reef re-create different marine habitats around the world. The best is Amazon Rising: Seasons of the River, a re-creation of the Amazon basin that showcases far more than fish (although you'll get to see some sharp-toothed piranhas as well).You'll pay extra to see the other Shedd highlights, but they're quite impressive, so I'd suggest shelling out for at least one. The Oceanarium , with a wall of windows revealing the lake outside, re-creates a Pacific Northwest coastal environment and creates the illusion of one uninterrupted expanse of sea. On a fixed performance schedule in a large pool flanked by an amphitheater, a crew of friendly trainers puts dolphins through their paces of leaping dives, breaches, and tail walking. Check out the Oceanarium schedule as soon as you get to the Shedd; seating space fills up quickly for the shows, so you'll want to get there early. If you're visiting during a summer weekend, you may also want to buy your Oceanarium ticket in advance to make sure you can catch a show that day. The newest signature exhibit is Wild Reef -- Sharks at Shedd , a series of 26 interconnected habitats that house a Philippine coral reef patrolled by sharks and other predators. The floor-to-ceiling windows bring those toothy swimmers up close and personal (they even swim over your head at certain spots).If you want a quality sit-down meal in a restaurant with a spectacular view of Lake Michigan, check out Soundings, right there inside the aquarium. There's also a family-friendly cafeteria. Allow 2 to 3 hours.

The Hancock Observatory
While not as famous as the Sears Tower, for many locals the Hancock remains the archetypal Chicago skyscraper, with its bold, tapered shape and exterior steel cross-bracing design. The Hancock Observatory delivers an excellent panorama of the city and an intimate view over nearby Lake Michigan and the various shoreline residential areas. The view from the top of Chicago's third-tallest building is enough to satisfy, but some high-tech additions to the experience include "talking telescopes" with sound effects and narration in four languages, history walls illustrating the growth of the city, and the Skywalk open-air viewing deck -- a "screened porch" that allows visitors to feel the rush of the wind at 1,000 feet. On a clear day you can see portions of the three states surrounding this corner of Illinois (Michigan, Indiana, and Wisconsin), for a radius of 40 to 50 miles. The view up the North Side is particularly dramatic, stretching from the nearby Oak Street and North Avenue beaches, along the green strip of Lincoln Park, to the line of high-rises you can trace up the shoreline until they suddenly halt just below the boundary of the northern suburbs. A high-speed elevator carries passengers to the observatory in 40 seconds, and the entrance and observatory are accessible for people with disabilities. Allow 1 hour."Big John," as it's referred to by some locals, also has a sleek restaurant, the Signature Room at the 95th, with an adjoining lounge. For about the same cost as the observatory, you can take in the views from the latter with a libation in hand.

Auditorium Building and Theatre
A truly grand theater with historic landmark status, the Auditorium is worth a visit to experience late-19th-century Chicago opulence. Designed and built in 1889 by Louis Sullivan and Dankmar Adler, the Auditorium was a wonder of the world: the heaviest (110,000 tons) and most massive modern edifice on earth, the most fireproof building ever constructed, and the tallest building in Chicago. It was also the first large-scale building to be electrically lighted, and its theater was the first in the country to install air-conditioning.The 4,000-seat theater, which today is the scene for Broadway touring musicals, is a marvel of visionary design and engineering. Originally the home of the Chicago Opera Company, Sullivan and Adler's masterpiece is defined by powerful arches lit by thousands of bulbs and features Sullivan's trademark ornamentation -- in this case, elaborate golden stenciling and gold plaster medallions. It's equally renowned for otherworldly acoustics and unobstructed sight lines. In the days when the Auditorium was the leading theater of Chicago, the hydraulically operated stage could be lowered from view, creating a ballroom capable of accommodating 8,000 guests.During World War II, the building sheltered GIs, and its theater stage was turned into a bowling alley. The theater reopened in 1967 following a $3-million renovation made possible through the fundraising efforts of the nonprofit Auditorium Theatre Council. Remnants of the building's halcyon days remain. Don't miss the lobby fronting Michigan Avenue, with its faux ornamental marble columns, molded ceilings, mosaic floors, and Mexican onyx walls. Another inside tip: From the Roosevelt University entrance around the corner on Michigan Avenue, take the elevator to the school's 10th-floor library reading room and have a look at what was once the city's first top-floor dining room. Its palatial, barrel-vaulted ceiling, and marvelous views of Grant Park and the lake will make you want to brush up on your Dewey Decimal System.The best way to see everything is to take a 1-hour guided tour, offered on Mondays between 10am and 4pm (call tel. 312/431-2354 to make reservations). Tours cost $6 for adults, $3 for seniors and students.Allow a half-hour, 1 hour if you take the guided tour.

Make your reservations for discount hotel rooms in the Chicago area, including:

Flemish House of Chicago
Want to pretend you live in a grand historic mansion? Book a room at this B&B, tucked away on one of the Gold Coast's most picturesque (and expensive) streets. The entire building -- including the Flemish Revival facade that inspired its name -- was renovated in the late 1990s by innkeepers Tom Warnke (an architect) and Mike Maczka (a real-estate appraiser). Their architecture experience is evident in the rooms' tasteful decor: a mix of Victorian and Arts and Crafts furniture and decorative details that respect the home's late-19th-century design -- along with all the necessary modern amenities. The rooms are a mix of spacious studios and one-bedroom suites; all have full kitchen facilities, including stoves, fridges, and microwaves. This isn't the kind of B&B that promotes socializing; there are no common rooms, and breakfast is strictly self-serve (all the fixings are stocked in the fridge). But for independent travelers looking for a quiet, personal getaway, the location and setting are truly unique.

Embassy Suites
Although this hotel does a healthy convention business, its vaguely Floridian ambience -- with a gushing waterfall and palm-lined ponds at the bottom of a huge central atrium -- makes the place very family-friendly (there's plenty of room for the kids to run around). The accommodations are spacious enough for both parents and kids: All suites have two rooms, consisting of a living room with a sleeper sofa, a round table, and four chairs; and a bedroom with either a king-size bed or two double beds. Guests staying on the VIP floor get nightly turndown service and in-room fax machines and robes. At one end of the atrium, the hotel serves a complimentary cooked-to-order breakfast in the morning and, in the other end, supplies complimentary cocktails and snacks in the evening.Off the lobby is an excellent restaurant, Papagus Greek Taverna, and next door is a Starbucks outlet with outdoor seating.

Hilton Chicago
When it opened in 1927, this massive brick-and-stone edifice billed itself as the largest hotel in the world. Today, the Hilton still runs like a small city, with numerous restaurants and shops and a steady stream of conventioneers. Its colorful history includes visits by Queen Elizabeth, Emperor Hirohito, and every president since FDR -- and riots outside its front door during the 1968 Democratic Convention. The classical-rococo public spaces -- including the Versailles-inspired Grand Ballroom and Grand Stair Lobby -- are magnificent, but the rest of the hotel is firmly entrenched in the present.Some rooms are on the small side, but all are comfortable and warm, and many of the standard rooms have two bathrooms (great for families). High rooms facing Michigan Avenue offer sweeping views of Grant Park and the lake. The hotel's Tower section has a separate registration area, upgraded amenities (including robes, fax machines, and VCRs), and a lounge open from 6am to 11pm, serving complimentary continental breakfast and evening hors d'oeuvres and cocktails (you'll pay about $50 above the standard rate for these rooms).The Hilton is a great choice for families, thanks to its vast public spaces, proximity to major museums and Grant Park (where kids can run around), and policy of children under 18 staying free in their parent's room. Because the Hilton depends heavily on convention traffic, those seeking a cozy, romantic getaway should go elsewhere.Facilities: 4 restaurants (Continental, Irish, American); 2 lounges; indoor pool; health club w/indoor track, hot tubs, sauna, and steam room; concierge; business center; 24-hr. room service; massage; babysitting; laundry service; 24-hr. dry cleaning; tower rooms.