diff --git a/src/ui/flights/FlightCard.tsx b/src/ui/flights/FlightCard.tsx
index c4770b97..87abb785 100644
--- a/src/ui/flights/FlightCard.tsx
+++ b/src/ui/flights/FlightCard.tsx
@@ -211,6 +211,7 @@ export const FlightCard: FC<FlightCardProps> = ({
           ? {
               role: "button",
               tabIndex: 0,
+              ...(expandable ? { "aria-expanded": expanded } : {}),
               onClick: toggleExpanded,
               onKeyDown: (e: KeyboardEvent<HTMLDivElement>) => {
                 if (e.key === "Enter" || e.key === " ") {