Icelandair, the flag carrier of Iceland, operates flights from Boston, Baltimore/Washington, New York (JFK), Minneapolis/St.Paul, Halifax, and Orlando, with nonstop service to Reykjavik, Iceland with onward connections to Amsterdam, Copenhagen, Stockholm, Oslo, Paris, Frankfurt, Glasgow, and London. In addition, a codeshare with SAS extends the European route network to include Helsinki, Gothenburg, Munich, Dusseldorf, Brussels, Zurich, andVienna,via connections in Copenhagen/Stockholm/Oslo.

Iberia has 4 daily non-stop flights from Miami, New York and Chicago to Madrid, connecting to over 100 domestic and international cities. The recent expansion of Iberia's code-share agreement with American Airlines adds Washington D.C. as a new destination for Iberia Airlines, bringing the total number of cities served in the United States to 24. Iberia is a member of the oneworld Alliance, along with Aer Lingus, American Airlines, British Airways, Cathay Pacific, Finnair, LanChile, and Qantas.