That would kill what Google Flights call Hacker Fare (& many others too before Google). Essentially you buy a local leg ticket, & another leg ticket, internatio

That would kill what Google Flights call Hacker Fare (& many others too before Google). Essentially you buy a local leg ticket, & another leg ticket, international in your example. Both airlines does not know about other legs (although thus not responsible for any delay or missing nezt leg).