Are you on a budget this year when it comes to your summer vacation? We have just the place for you! On the other hand, if the sky's the limit to splurge, you may want to consider visiting San Francisco, according to TripAdvisor, the travel planning and review website.

If you're on a budget, for the fourth straight year, Las Vegas earned the title of most affordable U.S. destination for the summer!

The annual TripIndex Cities cost comparison study compares the price for two of an evening out and overnight stay in key tourist cities around the USA. The following prices measure typical costs for two for cocktails, a two-course dinner paired with a bottle of wine, round-trip taxi transportation and a one-night stay in a hotel from June to August.

Least Expensive U.S. Cities:

Las Vegas, $276

Miami, $311

Atlanta, $314

Orlando, $323

New Orleans, $323

Houston, $338

Dallas, $339

Philadelphia, $352

Minneapolis, $354

Denver, $366

Most Expensive U.S. Cities:

San Francisco, $508

New York City, $501

Boston, $491

Seattle, $484

Honolulu, $431

Chicago, $423

Los Angeles, $408

Washington, D.C., $401

Portland, Ore., $392

San Diego, $391

So, what makes a trip to San Francisco and New York twice as expensive as Las Vegas or Miami?