The trip will better connect BWI fliers to destinations in Europe, with Icelandair's Reykjavik hub linking to more than 25 markets across Europe.
Icelandair is returning to San Francisco and Baltimore on June 1, a decade after ceasing operations to the cities.
"Icelandair has been in operation for over 80 years, and these cities have played an important role in that history".
"Today our network is bigger and stronger than ever, and we offer our passengers more flights, more connections, and a refreshing alternative to Iceland and beyond".
Getting to Iceland - and from there Europe - just got easier for travelers in Kansas City.
Icelandair, the largest airline in Iceland recently announced to launch nonstop flight service from Reykjavk to the San Francisco International Airport (SFO) in June 2018.
The airline now offers 23 North American destinations, making it the second highest airline for the number of North American airways serviced.
The airline plans to operate four times per week flight services between SFO and Keflavk International Airport using Boeing 767-300ER aircraft.
Flights from Kansas City to Reykjavik are estimated at about seven hours, according to Icelandair.
Flights to San Francisco will depart Keflavik on Tuesdays, Wednesdays, Fridays and Sundays and on return will depart San Francisco to Keflavik on Wednesdays, Thursdays, Saturdays and Mondays providing United Kingdom passengers with a range of options to choose from.