21 days in United States Itinerary

21 days in United States Itinerary

Created using Inspirock United States trip planner

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Route & dates

21 days in United States Itinerary

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

4
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.
Visiting Red Rock Canyon National Conservation Area and Spring Mountains Visitor Center will get you outdoors. Explore Las Vegas' surroundings by going to Ash Meadows National Wildlife Refuge (in Amargosa Valley) and Valley of Fire State Park (in Overton). There's much more to do: shop like a local with The Strip, look for all kinds of wild species at Spring Mountains National Recreational Area, and admire nature's extreme beauty at Escape Adventures and Las Vegas Cyclery.

To find where to stay, other places to visit, maps, and other tourist information, go to the Las Vegas travel itinerary planner .

Houston to Las Vegas is an approximately 6-hour flight. You can also drive; or take a bus. Due to the time zone difference, you'll gain 2 hours traveling from Houston to Las Vegas. In December, Las Vegas is little chillier than Houston - with highs of 16°C and lows of 4°C. Finish your sightseeing early on the 16th (Mon) so you can travel to Tahoe City.

Things to do in Las Vegas

Parks Nature Wildlife

Side Trips

Spring Mountains National Recreational Area, Lake Mead National Recreation Area, Valley of Fire State Park, Ash Meadows National Wildlife Refuge, Spring Mountains Visitor Center
Highlights from your plan
The Strip ©
The Strip
Valley of Fire State Park ©
Valley of Fire State Park

2
nights
Tahoe City

Tahoe City ©
Tahoe City is an unincorporated community in Placer County, California. Start off your visit on the 17th (Tue): see the interesting displays at Tahoe City Field Station, then glide through natural beauty at Tahoe Cross Country, and then learn about winemaking at Truckee River Winery. On the 18th (Wed), you'll have a packed day of sightseeing: ski along the peaceful trails at Tahoe Donner Cross Country and then explore the activities along Emerald Bay State Park.

For other places to visit, maps, and tourist information, go to the Tahoe City holiday planning website .

Traveling by combination of flight and bus from Las Vegas to Tahoe City takes 6.5 hours. Alternatively, you can drive; or take a bus. When traveling from Las Vegas in December, plan for a bit cooler days and much colder nights in Tahoe City: temperatures range from 5°C by day to -11°C at night. Cap off your sightseeing on the 18th (Wed) early enough to go by car to San Francisco.

Things to do in Tahoe City

Winter Sports Outdoors Parks

Side Trips

Truckee, Emerald Bay State Park
Highlights from your plan
Emerald Bay State Park ©
Emerald Bay State Park
Truckee River Winery ©
Truckee River Winery

4
nights
San Francisco

San Francisco ©
San Francisco is a top holiday destination featuring scenic beauty and great ethnic and cultural diversity.
Bring the kids along to Exploratorium and Wine Tours & Tastings. Deepen your sense of the past at sights like Alcatraz Island and Grace Cathedral. There's still lots to do: snap pictures at Golden Gate Bridge, enjoy the sand and surf at Fort Funston National Park, take in the waterfront at Fisherman's Wharf, and take your sightseeing to a higher altitude at Twin Peaks.

To find reviews, more things to do, and more tourist information, read our San Francisco driving holiday site .

Traveling by car from Tahoe City to San Francisco takes 4 hours. Alternatively, you can take a bus; or do a combination of bus and flight. When traveling from Tahoe City in December, plan for somewhat warmer days and much hotter nights in San Francisco: temperatures range from 17°C by day to 8°C at night. Finish up your sightseeing early on the 22nd (Sun) so you can travel to Los Angeles.

Things to do in San Francisco

Parks Historic Sites Tours

Side Trip

Wine Tours & Tastings
Highlights from your plan
Alcatraz Island ©
Alcatraz Island
Golden Gate Bridge ©
Golden Gate Bridge
Fisherman's Wharf ©
Fisherman's Wharf

4
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.
Get outdoors at Venice Beach and Boardwalk and Oak Canyon Nature Center. You'll visit kid-friendly attractions like Disneyland Park and The Getty Center. Go for a jaunt from Los Angeles to Anaheim to see Disney California Adventure Park about 38 minutes away. Next up on the itinerary: get in on the family fun at Universal Studios Hollywood, take a stroll through El Pueblo de Los Angeles, take a leisurely stroll along Santa Monica Pier, and look and learn at Griffith Observatory.

For ratings and more tourist information, use the Los Angeles trip itinerary builder website .

Traveling by flight from San Francisco to Los Angeles takes 4 hours. Alternatively, you can do a combination of train and flight; or drive. Traveling from San Francisco in December, expect nights in Los Angeles to be about the same, around 11°C, while days are somewhat warmer, around 24°C. Cap off your sightseeing on the 26th (Thu) early enough to go by car to San Diego.

Things to do in Los Angeles

Theme Parks Parks Outdoors

Side Trips

Anaheim, Santa Monica Pier
Highlights from your plan
Disneyland Park ©
Disneyland Park
Disney California Adventure Park ©
Disney California Adventure Park
Venice Beach and Boardwalk ©
Venice Beach and Boardwalk

4
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.
You'll visit kid-friendly attractions like La Jolla Cove and San Diego Zoo. Relax by the water at Black's Beach and Children's Pool. Step out of San Diego to go to Alpine and see Lions, Tigers & Bears, which is approximately 58 minutes away. There's lots more to do: immerse yourself in nature at Torrey Pines State Natural Reserve, examine the collection at San Diego Model Railroad Museum, explore the activities along Scripps Institute of Oceanography Coastal Reserve, and get up close and personal with brilliant marine life at SeaWorld San Diego.

For photos, traveler tips, reviews, and tourist information, you can read our San Diego day trip site .

Traveling by car from Los Angeles to San Diego takes 2.5 hours. Alternatively, you can take a bus; or fly. Expect a daytime high around 23°C in December, and nighttime lows around 12°C. Finish your sightseeing early on the 30th (Mon) to allow enough time to travel to Houston.

Things to do in San Diego

Parks Outdoors Zoos & Aquariums

Side Trip

Lions, Tigers & Bears
Highlights from your plan
La Jolla Cove ©
La Jolla Cove
Torrey Pines State Natural Reserve ©
San Diego Zoo ©
San Diego Zoo

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