Heads up, deal hunters! The Flight Deal has spotted some seriously cheap flights to Stockholm, Sweden, for under $400 roundtrip. That's right, you could be wandering the cobblestone streets of Gamla Stan and checking out the Vasa Museum for less than you'd spend on a fancy weekend getaway domestically. The catch? The initial price you see is for Basic Economy. Now, Basic Economy is the airline's bare-bones option – think limited baggage and seat selection. But at this price, it might be worth flying light or paying a little extra to upgrade if you need more frills. The Flight Deal recommends using Matrix Airfare Search by ITA Software to find the dates with the lowest prices, so that's your best bet to find the best deal! This is great news if you've been dreaming of a Scandinavian adventure without breaking the bank. Stockholm is a beautiful city with tons to offer, and this deal makes it a whole lot more accessible. Just remember to factor in any extra costs for baggage or seat selection if you're not comfortable with the Basic Economy restrictions. Happy travels!