In May 2019, despite earning only one cap in the previous 25 months, Krieger was named to the final 23-player squad for the 2019 FIFA Women's World Cup, marking her third World Cup appearance. She earned her 100th cap for the national team on May 16, 2019, coming on as a second-half substitute in the team's warm-up friendly against New Zealand. Krieger made three appearances during the tournament including as a halftime substitute during the final against the Netherlands as the USWNT won 2–0 to successfully defend its World Cup title.