10 Cheapest RoundTrip Flights from Washington D.C. to Europe - Top Destinations for Travel

Washington D.C. to London, United Kingdom roundtrip flights from $540

The crown jewels, Buckingham Palace, Camden Market…in London, history collides with art, fashion, food, and good British ale. A perfect day is different for everyone: culture aficionados shouldn't miss the Tate Modern and the Royal Opera House. If you love fashion, Oxford Street has shopping galore. For foodies, cream tea at Harrod’s or crispy fish from a proper chippy offers classic London flavor. Music and book buffs will love seeing Abbey Road and the Sherlock Holmes Museum (at 221B Baker Street, of course). Guarantee good prices, you'd better book your flights 2 months in advance. 

Washington D.C. to Lisbon, Portugal roundtrip flights from $564

The museums of Lisbon celebrate the rich history and culture of this Portuguese capital city. The Maritime Museum is perfect for kids (and grown-ups!) who adore all things nautical, while the Casa-Museu Dr. Anastácio Gonçalves is a hidden gem of colorful artwork. To fully appreciate the city’s dramatic stone architecture you can take a guided walking tour, or customize your own tour, making sure to visit the Padrao dos Descobrimentos, the Mosteiro dos Jeronimos, and the UNESCO World Heritage site the Torre de Belem. Flights in these months (February to June ) are cheaper than others.

Washington D.C. to Paris, France roundtrip flights low to $580

Lingering over pain au chocolat in a sidewalk café, relaxing after a day of strolling along the Seine and marveling at icons like the Eiffel Tower and the Arc de Triomphe… the perfect Paris experience combines leisure and liveliness with enough time to savor both an exquisite meal and exhibits at the Louvre. Awaken your spirit at Notre Dame, bargain hunt at the Marché aux Puces de Montreuil or for goodies at the Marché Biologique Raspail, then cap it all off with a risqué show at the Moulin Rouge. The cheapest day of the week to fly is Wednesday, when you'll save up to $80 per ticket. 

Washington D.C. to Amsterdam, The Netherlands roundtrip flights low to $630

This city, full of colorful homes, canals and bridges, is one of Europe's most picturesque capitals. Must-sees on any visitor's itinerary include the Anne Frank House, the Van Gogh Museum and the world's only floating flower market. Rent a bike and join thousands of locals navigating Amsterdam's labyrinthine streets, or just take in the sights on foot. For an unusual and memorable alternative to hotels, consider staying in a houseboat. Book your flights 20 days in advance for a good price. 

Washington D.C. to Milan, Italy roundtrip flights from $665

One of the world’s fashion capitals, Milan offers endless opportunities for chic shopping. Hit the artsy neighborhood of Brera for leather goods and Via Monte Napoleone for exclusive, expensive boutiques. The enchanting mosaics and glass vaults of Galleria Vittorio Emanuele II make shoppers feel like they’re wandering inside a painting. Take break from your spree to gape at the iconic Duomo, then grab tickets to a performance at La Scala. Post-opera, the Navigli district pulses with late-night activity. Book flights 30 days in advance for a good price. 

Washington D.C. to Moscow, Russia roundtrip flights from $682

The political, scientific, historical, architectural and business center of Russia, Moscow displays the country's contrasts at their most extreme. The ancient and modern are juxtaposed side by side in this city of 10 million. Catch a metro from one of the ornate stations to see Red Square, the Kremlin, the nine domes of St. Basil's Cathedral, Lenin's Mausoleum, the KGB Museum and other symbols of Moscow's great and terrible past, then lighten up and shop Boulevard Ring or people watch in Pushkin Square. Book yours at least 60 days in advance for a good price.

Washington D.C. to Brussels, Belgium roundtrip flights from $695

Unassuming Brussels is the capital of Belgium, Flanders and Europe. Medieval Grand-Place, is indeed grand, with many 17th-century buildings and daily flower markets. Reopened in 2006, the Atomium, Brussels' Eiffel Tower, provides great views, inside and out. Architecture fans should visit Musee Horta, home of Belgian master architect Victor Horta. St. Gery's clubs and bars are packed year-round. Seafood eateries abound in Ste. Catherine. Walk, rather than get snarled up in traffic, in the narrow streets.

Washington D.C. to Rome, Italy roundtrip flights as low as $695

 Rome wasn't built in a day--and you'll need much more than a day to take in this timeless city. The city is a real-life collage of piazzas, open-air markets, and astonishing historic sites. Toss a coin into the Trevi Fountain, contemplate the Colosseum and the Pantheon, and sample a perfect espresso or gelato before spending an afternoon shopping at the Campo de’Fiori or Via Veneto. Enjoy some of the most memorable meals of your life here, too, from fresh pasta to succulent fried artichokes or a tender oxtail stew. Prices in January and February are cheaper than in other months.

Washington D.C. to Budapest, Hungary roundtrip flights from $705

Over 15 million gallons of water bubble daily into Budapest's 118 springs and boreholes. The city of spas offers an astounding array of baths, from the sparkling Gellert Baths to the vast 1913 neo-baroque Szechenyi Spa to Rudas Spa, a dramatic 16th-century Turkish pool with original Ottoman architecture. The "Queen of the Danube" is also steeped in history, culture and natural beauty. Get your camera ready for the Roman ruins of the Aquincum Museum, Heroes' Square and Statue Park, and the 300-foot dome of St. Stephen's Basilica. Remeber book your flights 2 weeks in advance.

Washington D.C. to Barcelona, Spain roundtrip flights from $744

Barcelona feels a bit surreal – appropriate, since Salvador Dali spent time here and Spanish Catalan architect Antoni Gaudí designed several of the city’s buildings. Stepping into Gaudí’s Church of the Sacred Family is a bit like falling through the looking glass - a journey that you can continue with a visit to Park Güell. Sip sangria at a sidewalk café in Las Ramblas while watching flamboyant street performers, then create your own moveable feast by floating from tapas bar to tapas bar. Regularly, flights in March, April, and May are cheaper than in other months. 

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