Can You Use United Miles on Lufthansa? The Complete Guide If you have accumulated United Airlines MileagePlus miles and are planning a trip across the Atlantic, you might wonder if those miles can be redeemed on partner carriers. Yes, you can use United miles to book flights on Lufthansa . Because both United Airlines and Lufthansa are founding members of the Star Alliance network, you can seamlessy book award seats, earn miles on cash tickets, and enjoy reciprocal elite benefits when flying with either carrier. Why Fly Lufthansa with United Miles? Booking a flight on Lufthansa using United MileagePlus miles is one of the most accessible and straightforward ways to reach Europe and beyond. No Hefty Carrier Surcharges: Unlike booking directly through some international frequent flyer programs that add expensive fuel surcharges, booking a Lufthansa award ticket through United only incurs standard government taxes and fees (often starting at around $5.60 one-way for U.S. departures...