Major airlines serving BOS→AUA routes in March commonly include JetBlue, American Airlines (via Miami/Charlotte), Delta (often via Atlanta), and Aruba Airlines (regional/seasonal). JetBlue may offer seasonal nonstop service from Boston with attractive economy and additional legroom options. American and Delta provide multiple connecting options with robust networks for onward travel but watch layover length. Aruba Airlines provides regional connectivity and occasional charter/seasonal options. Pricing varies widely in March—JetBlue nonstops can be higher but save time, while American/Delta connecting itineraries may lower cost at the expense of longer travel. Check baggage allowance, seat selection fees, and onboard amenities (Wi-Fi, meals) before booking. CTA: Compare airline fares and amenities for March BOS→AUA flights now to pick the best fit for your travel style.