The Ducks will play their Pacific Division foe at 7 p.m. and the game will be televised on NBC Sports Network.
There will be a two-day break before Game 2 on Sunday. Game 3 in Calgary will be May 5 if the Tampa Bay Lightning wins its playoff series against the Detroit Red Wings on Wednesday. If Detroit wins, the game will be May 6.
The Ducks staged three, third-period comebacks in their series sweep over the Winnipeg Jets. They will have a seven-day break before facing off against the Flames, which eliminated the Vancouver Canucks on Saturday in a six-game series.
Here's the Ducks' second-round schedule:
Thursday: Calgary at Ducks, 7 p.m. (NBCSN)
Sunday: Calgary at Ducks, 7 p.m. (CNBC)
May 5 or 6: Ducks at Calgary, 6:30 p.m. (USA)
May 8: Ducks at Calgary, 6:30 p.m. (NBCSN)
May 10: Calgary at Ducks, TBD*
May 12: Ducks at Calgary, TBD*
May 14: Calgary at Ducks, TBD*
* -- if necessary