Orbitz is pleased to offer airline tickets on US Airways, which operates 6 regularly scheduled daily non-stop flights from Denver (DEN) to San Francisco (SFO), departing between 8:25am and 5:25pm, and 4 additional non-stop flights, departing between 6:05am and 8:45pm on select days of the week. The average travel time from Denver, CO to San Francisco, CA is 2 hours and 47 minutes.

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Regularly Scheduled Flights to San Francisco (SFO) from Denver (DEN)
				Daily Non-Stops		Select Non-Stop		Earliest Flight		Last Flight
	US Airways			6		4		6:05am		8:45pm
	Air Canada			6		4		6:05am		8:45pm
	Air China International			1		-		10:12am		10:12am
	Frontier Airlines			4		-		8:25am		9:45pm
	Lufthansa			1		-		1:59pm		1:59pm
	All Nippon Airways			1		-		6:05am		6:05am
	Air New Zealand			6		4		6:05am		8:45pm
	Asiana Airlines			1		-		8:23am		8:23am
	United Airlines			6		4		6:00am		9:00pm

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

Alcatraz Island
Visible from Fisherman's Wharf, Alcatraz Island (aka "The Rock") has seen a checkered history. Juan Manuel Ayala was the first European to discover it in 1775 and named it after the many pelicans that nested on the island. From the 1850s to 1933, when the army vacated the island, it served as a military post, protecting the bay's shoreline. In 1934, the government converted the buildings of the military outpost into a maximum-security prison. Given the sheer cliffs, treacherous tides and currents, and frigid water temperatures, it was believed to be a totally escape-proof prison. Among the famous gangsters who occupied cell blocks A through D were Al Capone, Robert Stroud, the so-called Birdman of Alcatraz (because he was an expert in ornithological diseases), Machine Gun Kelly, and Alvin Karpis. It cost a fortune to keep them imprisoned here because all supplies, including water, had to be shipped in. In 1963, after an apparent escape in which no bodies were recovered, the government closed the prison. In 1969, a group of Native Americans chartered a boat to the island to symbolically reclaim the island for the Indian people. They occupied the island until 1971, the longest occupation of a federal facility by Native Americans to this day, when they were forcibly removed by the U.S. government (see www.nps.gov/alcatraz/indian.html for more information on the Native American occupation of Alcatraz). The next year the island became part of the Golden Gate National Recreation Area. The wildlife that was driven away during the military and prison years has begun to return -- the black-crested night heron and other seabirds are nesting here again -- and a new trail passes through the island's nature areas. Tours, including an audio tour of the prison block and a slide show, are given by the park's rangers, who entertain guests with interesting anecdotes.Allow about 2 1/2 hours for the round-trip boat ride and the tour. Wear comfortable shoes (the National Park Service notes that there are a lot of hills to climb on the tour) and take a heavy sweater or windbreaker, because even when the sun's out, it's cold out there. The excursion is popular and space is limited, so purchase tickets as far in advance as possible. Blue & Gold Fleet (tel. 415/705-5555; www.blueandgoldfleet.com) operates the tour; they accept American Express, MasterCard, and Visa, and there's a $2.25-per-ticket service charge for phone orders. You can also buy tickets in advance from the Blue & Gold ticket office on Pier 41 or online at www.telesales.com. Alcatraz night tours are also available and are a more intimate and wonderfully spooky experience. Check the Blue & Gold Fleet website for updated prices and departure times.For those who want to get a closer look at Alcatraz without going ashore, two boat-tour operators offer short circumnavigations of the island.

Cable Car Museum
If you've ever wondered how cable cars work, this nifty museum explains (and demonstrates) it all. Yes, this is a museum, but the Cable Car Museum is no stuffed shirt. It's the living powerhouse, repair shop, and storage place of the cable car system and is in full operation. Built for the Ferries and Cliff House Railway in 1887, the building underwent an $18-million reconstruction to restore its original gaslight-era look, install an amazing spectators' gallery, and add a museum of San Francisco transit history.The exposed machinery, which pulls the cables under San Francisco's streets, looks like a Rube Goldberg invention. Stand in the mezzanine gallery and become mesmerized by the massive groaning and vibrating winches as they thread the cable that hauls the cars through a huge figure-eight and back into the system using slack-absorbing tension wheels. For a better view, move to the lower-level viewing room, where you can see the massive pulleys and gears operating underground.Also on display here is one of the first grip cars developed by Andrew S. Hallidie, operated for the first time on Clay Street on August 2, 1873. Other displays include an antique grip car and trailer that operated on Pacific Avenue until 1929, and dozens of exact-scale models of cars used on the various city lines. There's also a shop where you can buy a variety of cable car gifts. You can see the whole museum in about 45 minutes.

The Exploratorium
Scientific American magazine rated the Exploratorium "the best science museum in the world" -- pretty heady stuff for this exciting hands-on science fair. It contains more than 650 permanent exhibits that explore everything from giant-bubble blowing to Einstein's theory of relativity. It's like a mad scientist's penny arcade, an educational fun house, and an experimental laboratory, all rolled into one. Touch a tornado, shape a glowing electrical current, finger-paint using a computer, or take a sensory journey in total darkness in the Tactile Dome ($15 extra) -- you could spend all day here and still not see everything. Every exhibit at the Exploratorium is designed to be interactive, educational, safe and, most important, fun. And don't think it's just for kids; parents inevitably end up being the most reluctant to leave. On the way out, be sure to stop in the wonderful gift store, which is chock-full of affordable brain candy.The museum is in the Marina District at the beautiful Palace of Fine Arts, the only building left standing from the Panama-Pacific Exposition of 1915. The adjoining park and lagoon -- the perfect place for an afternoon picnic -- is home to ducks, swans, seagulls, and grouchy geese, so bring bread.

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

W San Francisco Hotel
Starwood Hotels & Resorts' 31-story property is as modern and hip as its fashionable clientele. Sophisticated, slick, and stylish, it suits its neighbors, which include the Museum of Modern Art, the Moscone Center, and the Metreon Sony entertainment center. The striking gray granite facade, piped with polished black stone, complements the octagonal three-story glass entrance and lobby. The hip, urban style extends to the guest rooms, which have a residential feel. Each contains a "luxury" feather bed with a goose-down comforter and pillows, Waterworks linens, an oversize dark-wood desk, an upholstered chaise longue, and louvered blinds that open to (usually) great city views. Each room also contains a compact media wall complete with a Sony CD and videocassette player, an extensive CD library, and a 27-inch color TV with Internet service (and an infrared keyboard). Bathrooms are supersleek and stocked with Aveda products. Furthering the supercool vibe is a bi-level bar and XYZ restaurant, which serves fresh and bold American fare within a zippy white-on-white interior. All in all, since 2000, this has been one of the top places to be.

The Cornell Hotel de France
Its quirks make this old hotel more charming than many others in its price range. Resident pooch, Noel, greets you when you enter the small French-style hotel. Pass the office, where a few faces will glance in your direction and smile, and embark on a ride in the old-fashioned elevator (we're talking seriously old-school here) to get to your very basic room. Each floor is dedicated to a French painter and decorated with reproductions. Rooms are all plain and comfortable, with desks and chairs, and are individually and simply decorated. Smoking is not allowed. Breakfast, which is included in the rate, is served in the very cool cavernlike provincial basement restaurant, Jeanne d'Arc. Union Square is just a few blocks away.

Hotel Vintage Court
Consistent personal service and great value attract a loyal clientele at this European-style hotel 2 blocks north of Union Square. The chocolate brown lobby, accented with comfy couches, is welcoming enough to actually spend a little time in, especially when California wines are being poured each evening from 5 to 6pm free of charge.But the varietals don't stop at ground level. Each tidy, quiet, and comfortable room, renovated in 2000, is named after a winery. While the decor used to suggest an old-fashioned Wine-Country excursion, today it has a more modern country look (think Pottery Barn meets Napa Valley), where greens and earth tones reign supreme, with cream duvets and lovely mahogany-slat blinds. Niebaum-Coppola (named after the winery owned by the movie maverick), the deluxe two-room penthouse suite, has an original 1912 stained-glass skylight, wood-burning fireplace, whirlpool tub, complete entertainment center, and panoramic views of the city. Smokers, book a room elsewhere, as puffing is prohibited in all rooms here.Masa's, one of the city's top restaurants, serves fantastic -- and very expensive -- contemporary French dinners here.