Taxes / Fees: The fare for Companion tickets requires payment of government imposed taxes and fees of no more than $ 75 for roundtrip domestic flights (for itineraries with up to four flight segments). (americanexpress.com)
Roundtrip domestic flights on those airlines can run as little as 12,000 miles. (rewardexpert.com)
Select Visa Infinite cardholders get $ 100 taken off the final price of any roundtrip domestic flight booked for two or more people. (valuepenguin.com)