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The list -

Before we jump in, we should mention that these cities were compiled from Google Flights search results in the United States. In fact, these results reflect the most sought-after cities between June 1 and August 31: the perfect summer period!

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20. San Juan - Flying in at number 20 is the city of San Juan, the capital of Puerto Rico and a picturesque Caribbean destination. Just like every city on this list, US citizens don’t need a visa to visit San Juan, so be sure to brush up on your Spanish if you plan on visiting.

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19. Boston -

One of the oldest cities in the US arrives in 19th place. The city of Boston has been practically brimming with culture and history since its foundation in 1630, and businesses in the city rank among the top in the country for environmental sustainability.

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18. Madrid -

Travel itineraries for Europe have a high chance of starting with Madrid, the capital city of Spain. This Spanish municipality is the sixth-most populous city in Europe and boasts hot summers, sublime architecture, and glorious fashion.

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17. Denver - Nestled in the South Platte River valley of the Western United States is Denver, the 17th-most Googled travel destination. This city, nicknamed the "Mile High City" due to its elevation, hosts a plethora of museums and a glorious botanical garden.

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16. Honolulu - Surely the impressively scenic city of Honolulu needs no introduction. The Hawaiian capital is synonymous with tropical adventure, surfing, and forest hiking. Who doesn’t want to visit a place so beautiful?

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15. Fort Lauderdale -

Summer weather in the United States is most intense in Florida, so it’s no wonder that the coastal city of Fort Lauderdale appears on this list. This city is aptly known as the "Venice of America" because of its myriad of boating canals that can entice any traveler.

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14. Dublin -

This city used to be the second-largest in the British Empire in 1800 and is now placed among the top 30 cities in the whole world. Aside from its rich history, travelers to Dublin would be wise to explore the city’s cultural life, which is overflowing with artistry and music.

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13. Barcelona -

Barcelona is the second-largest municipality in Spain and is very readily known for its impressive architecture. More specifically, you can visit the soon-to-be completed Sagrada Família, the largest unfinished Catholic church in the world.

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12. Miami -

And here is another city in Florida that appears on this list. The coastal metropolis of Miami is the second-most visited city in the US after New York City. We can see why, since it boasts warm weather, beaches, and an impressive skyline.

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11. Los Angeles -

If you intend on traveling to the west coast, you probably have your sights set on the seat of Hollywood. Los Angeles is the home of the world’s biggest film industry, and has a Mediterranean climate that has created an ideal environment for a plethora of cultures and ethnicities to thrive in.

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10. Athens -

The Greek city of Athens is a must-see on any tourist’s list. After all, it is one of the world's oldest cities, dating back to the 11th century BCE. It is named after the Greek goddess Athena and is most renowned for the ruins of the Acropolis, pictured here.

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9. Seattle -

The seaport city of Seattle occupies the ninth place on this list with its cultural hub of performing arts and dozens of museums. Tourists in this city will do well to attend as many musical performances as possible, since Seattle is home to some of the best artists in the world!

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8. Las Vegas -

This list would be incomplete if it did not include the entertainment capital of the world! Las Vegas is famous for its luxurious casino-hotels and nightlife, and the city’s location in the Nevada desert makes its weather quite warm for the summertime.

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7. Orlando -

The state of Florida appears to be a central destination for the US traveler. Of course, we can't forget that Orlando includes Disney World, which receives over 58 millions visitors annually.

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6. Cancun -

This seaside city is one of Mexico’s easternmost points and is a significant tourist destination. Picturesque beaches and a tropical climate make this the perfect destination for travelers who enjoy sipping piña colada’s from a coconut!

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5. New York City -

The streets of New York will certainly make you feel brand new if you visit at least once. NYC is the most populous city in the United States, and is a central hub of any vice or virtue that you can imagine!

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5. New York City -

New York has often been described as the cultural capital of the world, a place where theater, architecture, art, and fashion blend together in a dizzying mixture. It’s no wonder that this metropolis is ranked fifth on this list.

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4. Rome -

Rome has a history that spans 28 centuries, and its historic center is listed as a UNESCO World Heritage Site. The architecture alone has made this Italian city a place of wonder.

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4. Rome -

Visitors to Rome also often take time to visit the seat of the Catholic Church: Vatican City. It's the site of St. Peter’s Basilica, the largest church in the world.

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3. Tokyo -

Japan’s biggest city cracks the top three! Tokyo is the second-largest city in the world and is also the most populated, with more than 40.8 million residents living in the metropolitan area.

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3. Tokyo -

Tourists in Tokyo often find value in visiting Mount Fuji, the mountain located 62 mi (100 km) away and a staple of the city’s skyline.

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2. Paris -

The French capital is certainly worthy of its place as the second-most Googled city. Paris is also known as the "City of Light," and has had a leading role in the arts and sciences for many centuries.

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2. Paris -

Many of Paris’ tourist attractions have made it a city worth exploring, including the Louvre and the Eiffel Tower.

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1. London -

And taking the top spot is the political center of the United Kingdom: London. There are many people who seem to be interested in visiting this metropolis, and we can understand why. London is one of the world’s major cities and has a strong influence in art and entertainment.

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1. London -

London is the most visited city in Europe and has one of the oldest transit systems in the world. It is also home to many museums and galleries (such as the National Gallery and the British Museum) that house some of humanity’s oldest and most famous pieces.

Sources: (Google) (Good Morning America) (ABC News)

See also: Modern cities built on ancient ruins

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