Best Flights starting from $133
from$133economy
St Louis (STL)
Sun, Mar 8
One-way
Phoenix (PHX)
—
from$180economy
St Louis (STL)
Sat, Mar 7
One-way
Phoenix (PHX)
—
from$180economy
St Louis (STL)
Mon, Mar 9
One-way
Phoenix (PHX)
—
from$180economy
St Louis (STL)
Tue, Mar 10
One-way
Phoenix (PHX)
—
from$186economy
St Louis (STL)
Thu, Mar 5
One-way
Phoenix (PHX)
—
from$186economy
St Louis (STL)
Wed, Mar 11
One-way
Phoenix (PHX)
—
from$200economy
St Louis (STL)
Fri, Mar 6
One-way
Phoenix (PHX)
—
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Other Options for This Route
Other Destinations
St Louis (STL) to Dallas (DFW) in March from $80
From $80
St Louis (STL) to Detroit (DTW) in March from $171
From $171
St Louis (STL) to Miami (MIA) in March from $174
From $174
St Louis (STL) to Las Vegas (LAS) in March from $180
From $180
St Louis (STL) to Orlando (MCO) in March from $209
From $209
St Louis (STL) to New Orleans (MSY) in March from $225
From $225
Flights from Other Cities
Denver (DEN) to Phoenix (PHX) in March from $56
From $56
Atlanta (ATL) to Phoenix (PHX) in March from $72
From $72
Seattle (SEA) to Phoenix (PHX) in March from $77
From $77
Denver (Any) to Phoenix (PHX) in March from $80
From $80
Los Angeles (LAX) to Phoenix (PHX) in March from $89
From $89
Minneapolis (MSP) to Phoenix (PHX) in March from $95
From $95
✈️ Flight Guide: St Louis (STL) → Phoenix (PHX)
Complete travel information for your March journey
Departing from St Louis (STL) FAQs
Search fare comparison engines, set multi-airline alerts, and be flexible with dates and times to find cheap flights from Phoenix Sky Harbor International Airport (PHX). Use price-tracking tools and check low-cost carriers that operate out of PHX like Frontier, Southwest and Allegiant for the lowest economy fares. Book when you see a dip in the fare calendar and consider midweek departures to save more.
For domestic economy flights from Phoenix Sky Harbor International Airport (PHX), arrive at least 90 minutes before departure; during peak travel months such as December and July allow 2 hours. This ensures enough time for checked baggage drop, security screening, and potential traffic to the airport. Use the airport's security wait-time updates and TSA precheck lanes when available to shorten wait times.
Yes—PHX offers economy parking lots, Park & Ride shuttles, and off-airport parking operators that typically cost less than terminal garages. Rideshare pickup zones and Valley Metro light rail connections provide budget-friendly ground transportation to downtown Phoenix, Tempe and Scottsdale. Book parking in advance for the lowest rates and check for long-term deals during busy months like November and December.
Travelers often use Phoenix Sky Harbor International Airport (PHX) as a gateway to Scottsdale, Sedona, Flagstaff, Tucson, Las Vegas and Southern California (Los Angeles and San Diego). Many also connect to international destinations in Mexico and the Southwest. Use PHX as your departure hub to reach Grand Canyon National Park, Lake Havasu, and popular resort destinations with budget-friendly economy fares.
Yes—December holiday flights from Phoenix Sky Harbor International Airport (PHX) are typically more expensive due to increased demand for seasonal travel and limited seat availability. To secure cheaper economy fares, book early, be flexible with departure days (avoid peak travel dates), and monitor fare alerts starting in October. Consider early-morning or late-night departures for lower prices.
Low-cost carriers like Frontier and Allegiant frequently offer some of the cheapest economy seats from Phoenix Sky Harbor International Airport (PHX), especially on short-haul and seasonal routes. However, traditional carriers may have competitive sales and bundled value fares, so compare both budget and legacy airlines before booking. Use flexible-date searches and subscribe to airline newsletters for flash sales.
Arriving at Phoenix (PHX) FAQs
Arriving in 'Cheapest Economy Fare (ECONOMY)' indicates a low-cost economy ticket class prioritizing price over extras like checked baggage or seat selection. These fares often have strict change/cancellation policies and additional fees for add-ons; review the fare rules before purchasing. Compare bundled economy or basic plus fare options if you need flexibility.
Use fare-comparison websites, flexible-date searches, and alerts to find the cheapest economy arrival fares to destinations commonly served from Phoenix Sky Harbor International Airport (PHX). Target midweek and off-peak hours, and check low-cost carriers alongside legacy airlines for the best arrival pricing. Consider nearby airports if fare differences are large.
Yes—arrival prices in cheapest economy vary by season. Peak summer, Thanksgiving, and December holidays often see higher arrival fares, while shoulder months like September and January can offer reduced prices. Monitor fare calendars and book during off-peak windows for the cheapest arrivals.
May is transitional; early May often offers cheaper arrival economy fares to Phoenix-area destinations before summer price hikes. Late-May, including Memorial Day weekend, will usually be more expensive. If traveling in May, target mid-month dates and midweek flights to secure the lowest incoming economy fares.
When searching for cheapest economy arrivals to the Phoenix region, consider Tucson, Flagstaff, and nearby smaller airports as alternatives—these can offer lower fares or different carrier options. For West Coast or resort travel, also compare Los Angeles, San Diego and Las Vegas airports which often have frequent low-cost economy flights and competitive pricing.
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Events & Festivals Affecting Phoenix Sky Harbor (PHX) Travel — Plan for Price Spikes
Major events and festivals near Phoenix Sky Harbor International Airport (PHX) affect demand and prices. Annual highlights include Phoenix Open (golf), Fiesta Bowl, Spring Training baseball in nearby Scottsdale and Tempe, and Barrett-Jackson car auctions. These events can drive up economy fares and parking prices—book early and compare alternate airports when attending big events. Include top destination mentions such as Scottsdale, Tempe, Sedona and Flagstaff when planning around event dates.
Best Time to Fly from Phoenix Sky Harbor (PHX) for Cheap Economy Fares
The best time to fly for cheapest economy fares from Phoenix Sky Harbor International Airport (PHX) is during shoulder seasons (September–November, January–March) and midweek (Tuesday–Thursday). Early-morning and late-night departures often have lower prices due to lower demand. Avoid major travel holidays like Thanksgiving, Christmas, and peak summer weekends unless booked well in advance. Use fare calendars and price-alerts to identify the cheapest time to fly and to book lowest economy fares.
Direct vs Connecting Flights from Phoenix Sky Harbor (PHX) — Which Is Cheaper?
Direct flights from Phoenix Sky Harbor International Airport (PHX) are faster and more convenient, but connecting flights can be significantly cheaper in cheapest economy fares. For short trips to the West Coast, direct flights often are plentiful and competitively priced. For longer or international routes, compare one-stop itineraries which may cut costs. Balance travel time, layover risk, and fare savings when deciding between direct vs connecting flights for the cheapest economy options.
Airline Comparison for Phoenix Sky Harbor International Airport (PHX) — Who Has the Cheapest Economy Fares?
Compare airlines operating out of Phoenix Sky Harbor International Airport (PHX) for economy pricing and service. Southwest and American frequently offer robust domestic networks with competitive economy fares and more generous change policies, while Frontier and Allegiant often provide the lowest base fares but charge for extras. Delta and United provide competitive transcontinental and connecting options. When comparing, factor in baggage fees, seat assignment costs, and change or cancellation rules to find the true cheapest economy option.
Seasonal Travel Tips for Phoenix Sky Harbor (PHX) — Save on Economy Fares
Seasonal travel tips for finding the cheapest economy fares from Phoenix Sky Harbor International Airport (PHX): travel in shoulder seasons (fall and late winter), avoid holiday weekends, book early for summer and winter holidays, and fly midweek. Use fare alerts, consider alternative nearby airports (Tucson, Flagstaff, Las Vegas), and compare total trip cost including baggage and transfers. For winter travel, watch for weather-related delays; for summer, expect peak demand to resort areas and plan accordingly.
Flight Times & Schedules from Phoenix Sky Harbor International Airport (PHX) — Economy Overview
Flight times and schedules from Phoenix Sky Harbor International Airport (PHX) vary by destination and carrier. Short-haul routes to Los Angeles, San Diego and Las Vegas typically have multiple daily departures ranging from 1 to 1.5 hours. Longer domestic flights to the East Coast range from 3.5 to 5 hours depending on routing. Check real-time schedules on airline sites, consider early-morning flights to avoid delays, and use connecting flights strategically to reduce cost when searching for cheapest economy options.
Cheap Flights from Phoenix Sky Harbor International Airport (PHX) — How to Score Economy Deals
Find cheap flights from Phoenix Sky Harbor International Airport (PHX) by combining flexible-date searches, fare alerts, and alternative airport comparisons. Primary keywords: 'cheap flights from PHX', 'Phoenix Sky Harbor cheap flights', 'cheapest economy flights PHX'. Use price-tracking tools, compare basic economy to bundled economy fares, and check low-cost carriers such as Frontier and Allegiant for the lowest ticket prices. Consider flying midweek, selecting red-eye departures, or using nearby airports like Tucson or Las Vegas to reduce costs.