Delta's SkyMiles program has gotten expensive. A Delta One Suite to Tokyo? 440,000 miles. Business class to Europe? 250,000 miles. Even Hawaii in economy can cost 65,000 miles each way. But there's a loophole Delta doesn't advertise: booking their flights through partner airlines instead. We've been using this workaround since 2015, and this year we've found more Delta One availability than ever before: 🗼 Tokyo in Delta One Suites: 89K miles (vs. 440K) ✈️ Summer business class to Europe: 60K mi