Delta wants 500,000 SkyMiles for a business class seat to Europe. But there's a better way—and it doesn't involve hoarding SkyMiles or paying $5,000 cash. We've found that most Delta loyalists are overpaying for business class because they don't know about the partner airline loophole that cuts the points needed in half. Here's what we've been finding in 2025: ✈️ Partner Airline Sweet Spots: Book the exact same Delta One flights for 48-60K Flying Blue miles instead of 250K SkyMiles to Europe ✈️