News Summary

• The Chase Sapphire Reserve is my top overall pick for booking flights.
• The Citi Strata Elite is one of the strongest cards for travelers who are comfortable booking through a travel portal.
• Capital One Travel had the smallest average markup at less than 1%, followed by Chase Travel at roughly 6%.
• American Express Travel at just over 10% and Citi Travel at nearly 15% Booking through a portal can also make changes and cancellations more complicated since you'll often need to work through the portal rather than directly with the airline.