DENVER (KUSA) - Seats for Sunday's AFC Championship Game between the Denver Broncos and New England Patriots sold out in a matter of minutes Monday morning.

High demand is driving many fans to the secondary market, where prices are rapidly rising.

Online ticket search engine SeatGeek says the average price of $633 makes this most in-demand AFC Championship since at least 2009, when they began monitoring such data.

Tickets went on sale at 10 a.m., but even as early as 10:01 a.m. people logging onto Ticketmaster's website got a message saying "tickets not available online."

At 10:13, the Broncos tweeted "AFC Championship Game Tickets have sold out."

If you tried calling, you probably got a busy signal.

Justin Wehler, of Broomfield, waited anxiously by his computer only to end up empty-handed.

"There's nothing available," Wehler said. "It's going to be next to impossible to get them."

Wehler's only hope now is to search the secondary market.

"I've tried stub hub and Craigslist; it just gets too expensive," Wehler said.

Prices are ranging from several hundred to several thousand dollars, and there's no guarantee what you're getting is legit.

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