18 days in United States Itinerary

18 days in United States Itinerary

Created using Inspirock United States trip planner

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Route & dates

18 days in United States Itinerary

Start: Houston
Fly:  6​h 15​min
1
San Francisco
— 2 nights
Fly:  3​h 45​min
2
Los Angeles
— 5 nights
Drive:  2​h 30​min
3
San Diego
— 3 nights
Fly:  3​h 30​min
4
Las Vegas
— 3 nights
Fly + bus:  7​h 45​min
5
Yosemite National Park
— 3 nights
Drive + Fly:  10​h 30​min
End: Philadelphia

2
nights
San Francisco

San Francisco ©
San Francisco is a top holiday destination featuring scenic beauty and great ethnic and cultural diversity.
Kick off your visit on the 17th (Tue): engage your brain at California Academy of Sciences, head off the coast to Alcatraz Island, then buy something for everyone on your list at Ferry Building Marketplace, and finally snap pictures at Golden Gate Bridge. Keep things going the next day: get curious at Exploratorium, take in the awesome beauty at Twin Peaks, then kick back and relax at Fort Funston National Park, and finally take in the spiritual surroundings of Grace Cathedral.

For traveler tips, photos, where to stay, and other tourist information, go to the San Francisco online itinerary builder .

Houston to San Francisco is an approximately 6.5-hour flight. You can also do a combination of flight and train; or drive. The time zone changes from Central Standard Time (CST) to Pacific Standard Time (PST), which is usually a -2 hour difference. In December, San Francisco is little chillier than Houston - with highs of 17°C and lows of 8°C. Wrap up your sightseeing on the 19th (Thu) early enough to travel to Truckee.

Things to do in San Francisco

Childrens Museums Museums Historic Sites
Highlights from your plan
Alcatraz Island ©
Alcatraz Island
Golden Gate Bridge ©
Golden Gate Bridge
Exploratorium ©
Exploratorium

5
nights
Los Angeles

Los Angeles ©
Surrounded by mountain ranges, forests, valleys, beaches, and deserts, the metropolitan area of Los Angeles is home to over 17 million people.
You'll discover tucked-away gems like Santa Monica Bay and The Grove. Do your shopping at Abbot Kinney Boulevard and The Last Bookstore. The adventure continues: get in on the family fun at Universal Studios Hollywood, partake in some friendly competition at Fantastic Race, engage your brain at California Science Center, and explore and take pictures at Will Rogers State Historic Park.

To find reviews, traveler tips, where to stay, and tourist information, read Los Angeles trip planner .

Getting from San Francisco to Los Angeles by flight takes about 4 hours. Other options: do a combination of train and flight; or drive. While traveling from San Francisco, expect somewhat warmer days and about the same nights in Los Angeles, ranging from highs of 24°C to lows of 11°C. Finish your sightseeing early on the 24th (Tue) to allow enough time to drive to San Diego.

Things to do in Los Angeles

Parks Wildlife Nature
Highlights from your plan
Kenneth Hahn State Recreation Area ©
Santa Monica Bay ©
Santa Monica Bay
Venice Beach and Boardwalk ©
Venice Beach and Boardwalk

3
nights
San Diego

San Diego ©
Divided into neighborhoods with distinct characters and cultural heritages, San Diego sits just north of the Mexican border and offers visitors a blend of tourist attractions, including a lively nightlife, diverse cuisine, and a thriving musical scene.
We've included these beaches for you: La Jolla Shores Park and Mission Bay Park. Get some historical perspective at Fort Rosecrans Cemetery and Old Point Loma Lighthouse. Next up on the itinerary: get up close to creatures of the deep with a dolphin and whale watching tour, stroll through La Jolla Cove, immerse yourself in nature at Torrey Pines State Natural Reserve, and test your problem-solving skills at popular escape rooms.

To find photos, where to stay, reviews, and tourist information, read our San Diego tour planner.

Drive from Los Angeles to San Diego in 2.5 hours. Alternatively, you can take a bus; or fly. December in San Diego sees daily highs of 23°C and lows of 12°C at night. Wrap up your sightseeing by early afternoon on the 27th (Fri) to allow enough time to travel to Las Vegas.

Things to do in San Diego

Outdoors Parks Beaches
Highlights from your plan
Torrey Pines State Natural Reserve ©
Torrey Pines State Natural Reserve
La Jolla Shores Park ©
La Jolla Shores Park
Dolphin & Whale Watching

3
nights
Las Vegas

Las Vegas ©
Nicknamed the "Entertainment Capital of the World," Las Vegas sits in the middle of a desert in the southern section of Nevada.
You'll discover tucked-away gems like Dig This and Graceland Wedding Chapel. For shopping fun, head to The Strip or Jojo's Jerky. Next up on the itinerary: admire the majestic nature at Red Rock Canyon National Conservation Area, get your game on at Axe Monkeys, test your problem-solving skills at popular escape rooms, and take in the awesome beauty at Mount Charleston.

To see traveler tips, other places to visit, where to stay, and other tourist information, go to the Las Vegas trip itinerary planning site .

Getting from San Diego to Las Vegas by flight takes about 3.5 hours. Other options: drive; or take a bus. Prepare for little chillier weather when traveling from San Diego in December: high temperatures in Las Vegas hover around 16°C and lows are around 4°C. Wrap up your sightseeing on the 30th (Mon) to allow time to travel to Yosemite National Park.

Things to do in Las Vegas

Nature Parks Fun & Games
Highlights from your plan
The Strip ©
The Strip
Graceland Wedding Chapel ©
Graceland Wedding Chapel

3
nights
Yosemite National Park

Yosemite National Park ©
Massive granite mountains, towering waterfalls, groves of Giant Sequoia trees, and wilderness as far as the eye can see distinguish the landscape of Yosemite National Park.
Start off your visit on the 31st (Tue): make a trip to Washburn Point, identify plant and animal life at Nature Center at Happy Isles, take in the dramatic scenery at Vernal Fall, then kick back and relax at Cathedral Beach Picnic Area, then get great views at Yosemite, Tunnel View, and finally appreciate the extensive heritage of Big Trees Lodge, National Historic Landmark. Keep things going the next day: fly down the slopes at Curry Village Ice Rink, take in the exciting artwork at Ansel Adams Gallery, take some stellar pictures from Valley View, then admire the masterpieces at Yosemite Museum Gallery, then don't miss a visit to Olmsted Point, and finally trek along May Lake Trailhead.

To find other places to visit, ratings, and other tourist information, you can read our Yosemite National Park trip itinerary website .

You can do a combination of flight and bus from Las Vegas to Yosemite National Park in 8 hours. Alternatively, you can do a combination of flight, taxi, and bus; or do a combination of bus and train. Expect little chillier weather when traveling from Las Vegas in December: highs in Yosemite National Park hover around 9°C, while lows dip to -11°C. On the 2nd (Thu), wrap the sightseeing up by early afternoon so you can travel back home.

Things to do in Yosemite National Park

Parks Nature Outdoors
Highlights from your plan
Yosemite, Tunnel View ©
Yosemite, Tunnel View
Glacier Point ©
Glacier Point
Vernal Fall ©
Vernal Fall

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