Stopovers between Boston and Seoul
Boston to Seoul is about 10,965 km. 12 cities sit close enough to the route to add a night or two, and Tokyo, Beijing, Osaka have airline stopover programs. Pick your dates to see what each one really costs.
Cities on the way
European feel without crossing the Atlantic.
UP Express runs to Union Station in 25 minutes.
Plenty of flights from every airline make for flexible stopovers.
Haneda is 20 minutes from the city; a top stopover on the way to Asia.
Great Wall within a day trip; visa-free transit for many passports.
Street-food capital with Kyoto 15 minutes away by bullet train.
Sits almost exactly on the great circle between North America and Europe, so the detour is tiny.
The Blue Line runs from O'Hare to the Loop around the clock.
Free Smithsonian museums; the metro goes from National to the Mall.
Canada Line train to downtown; mountains and ocean together.
Visa-free transit is available to many passports when you fly onward to a third country.
Light rail from the airport to downtown.