There will be no final at home for Real Betis.
The team's Benito Villamarin Stadium in Seville will host the Copa del Rey final this season, but Betis won't be there after being eliminated by Valencia in the semifinals on Thursday.
Valencia won 1-0 at home to reach the Copa final for the first time in more than a decade, where it will play Barcelona on May 25.
Striker Rodrigo scored a second-half winner for Valencia, which advanced 3-2 on aggregate after a 2-2 draw at Betis three weeks ago.
"We wanted to be in this final and we were confident that we had the team to make it," Betis defender Marc Bartra said.
"Unfortunately, sometimes things don't go the way you expect in football." On Wednesday, four-time defending champion Barcelona defeated Real Madrid 3-0 to advance to its sixth straight Copa final.
Valencia, celebrating its centennial, hadn't made it to the final since it won the last of its seven Copa titles in 2008.
"We played a very complete series and deserved to advance," Rodrigo said. "It's great to be able to reach this final in such a special year for the club."
"But we played two very even matches against them this season, and could have actually beaten them. It's a final, in one match, so anything can happen."
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