✈️ Flight Guide: St Louis (STL) → Las Vegas (Any)

Events that significantly impact fares out of Las Vegas (All Airports) (LASA) include CES (January), EDC Las Vegas (May), National Association conventions (various months), major UFC fights or boxing events, and large trade shows at the Las Vegas Convention Center. These events increase demand for economy seats and can raise prices across routes. If you need the cheapest economy fare, avoid booking travel that overlaps with major convention dates or large headline events, or book far in advance. CTA: Check the events calendar before setting travel dates and subscribe to fare alerts to avoid inflated prices during major events.

The best time to fly for the cheapest economy fares from Las Vegas (All Airports) (LASA) is during shoulder seasons—late September through early November and January through early March—when demand is lower. Flying midweek, especially Tuesdays and Wednesdays, typically yields cheaper economy tickets compared with weekend travel. For holiday periods such as Thanksgiving and Christmas, book as early as possible. CTA: Check flexible-date calendars and set fare alerts to lock in the best economy prices.

Direct (nonstop) flights from Las Vegas (All Airports) (LASA) are faster and reduce connection risk, but connecting flights often offer lower economy fares due to increased seat supply and competition across carriers. If saving money is the priority, consider one-stop itineraries with reasonable layovers (60–120 minutes domestic) and reputable connection airports. Balance total travel time, baggage transfer risk and potential savings when choosing between nonstop and connecting economy flights. CTA: Compare both direct and connecting options in your fare search to see which yields the cheapest economy fare.

Major carriers operating from Las Vegas (All Airports) (LASA) include Southwest, American, Delta and United, while low-cost carriers such as Allegiant and Frontier also compete heavily on economy fares. Southwest often offers competitive base fares with two free checked bags on select fares, whereas Allegiant and Frontier advertise low base fares but charge for nearly all ancillaries. American, Delta and United provide broader networks and loyalty benefits but may cost more. When comparing airlines, calculate total trip cost including baggage, seat selection, and change fees to identify the true cheapest economy option. CTA: Use the fare comparison tool to include ancillary fees and find the best overall economy price.

Summer (June–August): Expect higher economy fares around weekends and holiday dates; book early and consider red-eye flights to save. Fall shoulder season (September–November): Often the best time for cheap economy tickets—target midweek travel. Winter (December–February): Book early for holidays but find bargains in early January; watch for convention dates like CES. Spring (March–May): Spring break can spike prices—avoid university vacation weeks for cheapest fares. Also account for Las Vegas heat in summer when booking flights and ground transfers. CTA: Pick your travel season and set fare alerts today to secure the cheapest economy fares that fit your schedule.

Flight times from Las Vegas (All Airports) (LASA) to major cheap-economy destinations vary by route: West Coast hubs (Los Angeles, San Diego) typically 1–1.5 hours nonstop, Phoenix ~1.5 hours, Denver ~2–2.5 hours and Salt Lake City ~1.5–2 hours. Schedules are denser on popular business travel times—early morning and late afternoon—and many budget carriers operate multiple daily departures. For the cheapest economy fares, target off-peak departure times (midday midweek) and use flexible-date search filters to view schedule-wide pricing.

To find cheap economy flights from Las Vegas (All Airports) (LASA) to a cheapest economy arrival, compare fares across multiple online travel agencies and airline websites. Use flexible-date calendars, sign up for email fare alerts, and consider flying midweek or overnight red-eyes. Low-cost carriers such as Allegiant, Frontier and Southwest often have the lowest base fares; however, include baggage and seat-selection fees when comparing total cost. CTA: Start a fare alert now to capture next cheap economy price drop.