State Department: Fly America Act’s Effects on Travel Costs and Personnel Experience

What GAO Found The Fly America Act requires that, except under certain circumstances, all air travel funded by the U.S. government use a U.S.-flag air carrier service—which is generally provided by a U.S. airline or under a code share agreement with a foreign air carrier. GAO found that the Act increases State Department travel costs by an estimated $0.7 million to $1.5 million annually—about 1 to 2 percent of the $69 million State spent on air travel in fiscal year (FY) 2025. To derive this estimate, GAO analyzed a generalizable sample of simulated international travel itineraries for FY 2026. This sample consisted of 1,000 ticket pairs, each containing the least expensive unrestricted fare and most direct flight available for an Act-compliant ticket and -noncompliant ticket. For 5 percent of ticket pairs, GAO estimated that the Act increases State’s costs (reflecting both fare and travel time) by an average of $455 per ticket. For an additional 12 percent of ticket pairs, GAO estimated that the Act does not affect State’s costs. For the remaining 83 percent of ticket pairs, the Act’s effects on cost are uncertain because they are subject to assumptions about airline pricing st...