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The best time to fly PHXA to LASA in January for savings and reliability is midweek (Tuesday–Thursday) and outside major convention dates. Late January after the first two weeks often features the lowest fares. For punctuality, early morning departures typically have the highest on-time rates. If attending or avoiding CES, check exact convention dates—arrivals and departures immediately before and after the event will be busiest.
On the short PHXA to LASA route, nonstop flights are the clear preference for most travelers—they save time, reduce the chance of missed connections, and are frequently competitively priced. Connecting flights usually add travel time and complexity without meaningful cost savings, unless you are combining routing for loyalty benefits or multi-city trips. During January convention periods, nonstop availability can be limited or more expensive, so weigh the time savings against any fare premium.
To find cheap flights from Phoenix (All Airports) (PHXA) to Las Vegas (All Airports) (LASA) in January, search flexible dates, use fare comparison tools, and set price alerts. Midweek departures (Tuesday–Thursday) and late-night/early-morning flights often have the lowest fares. Avoid peak convention days (CES) and holiday weekends. Compare low-cost carriers against legacy airlines factoring baggage fees and change policies into the final price.