Cheap flights from Ottawa (YOW) to San Francisco (SFO)

Montreal – Lisbon from $634 Montreal – Liberia from $363 Vancouver – Victoria from $94 Ottawa – Cancún from $430 Quebec City – Lisbon from $753 Toronto – Halifax from $200 Ottawa – Lisbon from $777 Vancouver – Yellowknife from $256 Vancouver – Paris from $625 Halifax – Paris from $590 Montreal – Cozumel from $475 Toronto – St. John s from $221 Winnipeg – Reykjavik from $899 Montreal – Tokyo from $1,548 Calgary – Halifax from $343 Montreal – Santiago de Querétaro from $801 Atlanta – Calgary from $304 San Juan – Toronto from $302 Prince George – Terrace from $366 Halifax – Glasgow from $725 Montreal – Fort McMurray from $519 Montreal – Chicago from $371 Toronto – Podgorica from $1,322 Vancouver – Comox from $80 Saskatoon – Minneapolis from $274 Regina – Edmonton from $146 Ottawa – Hamilton from $156 Saskatoon – Vancouver from $157 Winnipeg – Atlanta from $280 Toronto – Fort Lauderdale from $209 Vancouver – Saskatoon from $148 Abbotsford – Toronto from $296 Toronto – Tampa from $199 Halifax – Deer Lake from $376 Ottawa – Fort Lauderdale from $261 Saskatoon – Edmonton from $161 Quebec City – Montreal from $493 Halifax – Hamilton from $208 Abbotsford – Kelowna from $136 Winnipeg – Las Vegas from $249 Halifax – Edmonton from $375 Ottawa – Toronto from $173 Regina – Toronto from $190 Halifax – Boston from $398 Toronto – Nashville from $235 Victoria – Phoenix from $247 Montreal – Lower Prince's Quarter from $413 Victoria – San Diego from $269