Here is a list of selected national and international airlines that offer flights out of major U.S. cities. In some cases, an airline may not have its own mileage-reward program but may partner with another airline. Note: "FF" denotes "frequent flier."

Aer Lingus

(800) 474-7424 reservations

Frequent flier handled by email: goldcircleusa@aerlingus.com

http://www.aerlingus.com

Aeroflot Russian Airlines

(888) 340-6400 reservations/FF

http://www.aeroflot.com

Aerolíneas Argentinas

(800) 333-0276 reservations/FF

http://www.aerolineas.com

AeroMéxico/Aerolitoral

(800) 237-6639 reservations/FF

http://www.aeromexico.com

Air Berlin

(866) 266-5588 reservations/FF

http://www.airberlin.com

Air Canada

(888) 247-2262 reservations

(800) 361-5373 FF