Best Flights starting from $148
from$148economy
Ontario (ONT)
Sat, May 23
Roundtrip
Phoenix (PHX)
Wed, May 27
from$157economy
Ontario (ONT)
Tue, May 19
Roundtrip
Phoenix (PHX)
Sat, May 23
from$160economy
Ontario (ONT)
Wed, May 20
Roundtrip
Phoenix (PHX)
Sun, May 24
from$165economy
Ontario (ONT)
Thu, May 21
Roundtrip
Phoenix (PHX)
Mon, May 25
from$193economy
Ontario (ONT)
Sun, May 17
Roundtrip
Phoenix (PHX)
Thu, May 21
from$200economy
Ontario (ONT)
Fri, May 22
Roundtrip
Phoenix (PHX)
Tue, May 26
from$211economy
Ontario (ONT)
Mon, May 18
Roundtrip
Phoenix (PHX)
Fri, May 22
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Other Options for This Route
Other Destinations
Ontario (ONT) to Las Vegas (Any) in May from $29
From $29
Ontario (ONT) to Denver (DEN) in May from $80
From $80
Ontario (ONT) to Las Vegas (LAS) in May from $88
From $88
Ontario (ONT) to Las Vegas (Any) in May from $88
From $88
Ontario (ONT) to Houston (IAH) in May from $106
From $106
Ontario (ONT) to Atlanta (ATL) in May from $160
From $160
Flights from Other Cities
Denver (DEN) to Phoenix (PHX) in May from $33
From $33
Seattle (SEA) to Phoenix (PHX) in May from $69
From $69
Kansas City (MCI) to Phoenix (PHX) in May from $79
From $79
Jacksonville (JAX) to Phoenix (PHX) in May from $80
From $80
Seattle (SEA) to Phoenix (PHX) in May from $97
From $97
Chicago (ORD) to Phoenix (PHX) in May from $108
From $108
✈️ Flight Guide: Ontario (ONT) → Phoenix (PHX)
Complete travel information for your May journey
Departing from Ontario (ONT) FAQs
April is a shoulder season for Phoenix Sky Harbor International Airport (PHX) with moderate demand. You can often find the lowest economy fares mid-week (Tuesdays–Thursdays) and on late-night flights; booking 3–6 weeks in advance tends to yield the best deals. Search for 'cheap flights PHX April' and sign up for fare alerts to capture sale prices.
Low-cost carriers and major network airlines both compete at Phoenix Sky Harbor International Airport (PHX). Southwest, Frontier, and Allegiant frequently list the lowest advertised economy fares, while American, Delta and United often offer competitive sale prices on nonstop and connecting routes. Compare prices on aggregator sites and the airlines' own pages to find the best cheap flights from PHX.
Affordable ground transport options from Phoenix Sky Harbor International Airport (PHX) include Valley Metro light rail to central Phoenix, shared shuttle services, rideshares and public buses. Parking deals and off-site shuttles can save money if you’re leaving a car; for the cheapest transfer, take public transit during off-peak hours and book rideshares in advance. Check Phoenix transit maps and airport parking specials before travel.
Nonstop economy flights from Phoenix Sky Harbor International Airport (PHX) to major West Coast destinations usually range from about 1 hour 15 minutes to Los Angeles or Las Vegas, to roughly 2 hours for San Francisco and San Diego. Flight duration varies by routing, aircraft type and winds, so check real-time schedules when booking. Use 'PHX nonstop flight time' to compare trip lengths and choose the cheapest option that meets your timing needs.
Yes, peak travel periods such as spring training (February–March), winter holidays, and the Waste Management Phoenix Open in late February can cause higher economy fares at Phoenix Sky Harbor International Airport (PHX). Summer heat reduces leisure demand slightly but business travel and conventions can still push prices up. For cheap flights, avoid peak event weekends and book earlier for high-demand months.
Same-day cheap economy fares are possible but rare; last-minute deals sometimes appear on discount carriers and during airline schedule changes. To maximize chances for low same-day fares at Phoenix Sky Harbor International Airport (PHX), monitor fare tracker apps, check airline standby and last-minute sale pages, and be flexible on times and connections. For guaranteed savings, book in advance and set alerts.
Arriving at Phoenix (PHX) FAQs
Lowest-Cost Economy Fare (ECONOMY) refers to the most affordable economy-class tickets that typically include basic seat selection and carry-on limitations. These fares are ideal for budget-conscious travelers but may have restrictions on changes, cancellations, and checked baggage. Compare fare rules and add-ons before purchase to ensure it meets your needs.
To find the cheapest economy arrival options in May, search flexible dates around weekdays and subscribe to fare alerts for Phoenix Sky Harbor International Airport (PHX) routes. May often has lower fares than peak summer; aim to book 4–8 weeks in advance and compare low-cost carriers, connecting itineraries and package deals to secure the best price. Use primary keywords like 'cheap economy flights PHX May' when searching.
Most lowest-cost economy fares are non-refundable and charge fees for changes, although policy varies by airline and fare class. During sales or with certain carriers (like some U.S. majors), you may find more flexible economy options; always check the fare rules at booking. Consider travel insurance or refundable fare upgrades if you need flexibility.
Often the cheapest economy fares exclude free seat selection and may limit carry-on to a personal item only; checked baggage and standard carry-on may incur extra fees. Airlines like Frontier and Allegiant commonly separate those services to offer lower headline fares. Review the fare inclusions and add baggage/seat at booking to avoid surprises on arrival.
Travelers using cheap economy fares to/from Phoenix Sky Harbor International Airport (PHX) commonly connect to Scottsdale, Mesa, Tempe, Tucson and Flagstaff for regional trips, and also access major destinations like Los Angeles, Las Vegas and San Diego. Ground transfers such as shuttles, rideshares and regional public transit connect PHX to these areas affordably. Plan transfers in advance to keep total trip costs low.
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Phoenix Events & Festivals Impacting Economy Fares at Phoenix Sky Harbor International Airport (PHX)
Major events that influence economy fares at Phoenix Sky Harbor International Airport (PHX) include the Waste Management Phoenix Open (late February), Cactus League spring training (February–March), Arizona State Fair (October), and large conventions held at the Phoenix Convention Center throughout the year. During these events, expect higher demand and elevated economy fares—book earlier or travel on off-peak days to find cheap flights. For budget travelers, plan around event dates and consider nearby secondary airports or flexible arrival/departure times to lower costs.
Best Time to Fly from Phoenix Sky Harbor International Airport (PHX) for Cheap Economy Fares
The best overall times to find cheap economy fares from Phoenix Sky Harbor International Airport (PHX) are during shoulder months like April and September and on mid-week flights (Tuesday–Thursday). Avoid major local events (spring training, Phoenix Open in February, major holidays) and book 1–3 months in advance for domestic economy flights; for peak-season or international travel, book 2–6 months ahead. Use price alerts and flexible-date tools to lock in the cheapest fares and consider nearby airports and connecting flights for more savings.
Direct vs Connecting Flights from Phoenix Sky Harbor International Airport (PHX) — Economy Savings Guide
Connecting flights out of Phoenix Sky Harbor International Airport (PHX) can be significantly cheaper in economy than nonstop service, especially for longer-haul routes or during peak periods. Common connection hubs include Dallas/Fort Worth (DFW), Phoenix often connects through Los Angeles (LAX), Denver (DEN) and Phoenix-based carriers’ hubs. If you value time over cost, nonstop routes often justify a small premium; if you prioritize cheap flights, be flexible with layovers and compare total travel time versus savings. Always allow adequate connection time for budget itineraries and check baggage transfer rules.
Airline Comparison for Cheap Economy Flights from Phoenix Sky Harbor International Airport (PHX)
Southwest: Strong domestic network from Phoenix with two free checked bags and frequent sale fares—often good value for economy travelers. American / Delta / United: Legacy carriers offering extensive connectivity and frequent sale events; economy fares can be competitive, but checked baggage fees often apply. Frontier / Allegiant: Ultra-low-cost carriers with very low base fares but many add-on fees for seats, bags and priority—best for flexible, minimal-packing travelers. Compare total cost including baggage, seat fees and change policies to determine the true cheapest economy carrier for your route out of PHX.
Seasonal Travel Tips for Cheap Economy Flights from Phoenix Sky Harbor International Airport (PHX)
Summer: Expect higher temperatures and rising leisure demand; to save on economy fares, fly early in the morning, book early and consider connecting flights. Fall (September–November): Often the best time for cheap economy fares—lower demand and comfortable weather make September and October ideal. Winter: Mild winters attract visitors and spring training (Feb–Mar) drives up fares; avoid event weekends or book months in advance. Monsoon (July–September): Weather can disrupt schedules—build in buffer time for connections and check for flexible change policies when booking the cheapest economy fares. CTA: Use these seasonal tips with fare alerts and flexible-date searches to secure the best economy deals from PHX.
Flight Times & Schedules from Phoenix Sky Harbor International Airport (PHX)
Common nonstop flight times from Phoenix Sky Harbor International Airport (PHX) include roughly 1–1.5 hours to Las Vegas (LAS) and Los Angeles (LAX), about 2 hours to San Francisco (SFO) and Seattle (SEA), and 3–4 hours to East Coast hubs. Budget carriers may schedule red-eye and late-night flights that are often cheaper in economy class. For the lowest fares, consider non-peak schedule slots (mid-week, late night) and flexible connections. Check daily airline schedules and set up notifications for changes that could yield cheap last-minute economy deals.
How to Find Cheap Flights from Phoenix Sky Harbor International Airport (PHX) — Economy Tips
To find cheap flights from Phoenix Sky Harbor International Airport (PHX) in economy, combine flexible-date searches, fare alerts and a comparison across low-cost carriers and legacy airlines. Search mid-week departures, consider red-eye flights, and compare connecting itineraries—sometimes a one-stop route saves substantially. Include nearby airports like Tucson (for some routes) or consider arriving into secondary airports for lower totals. Always check baggage and seat fees to understand the true cost of the cheapest economy fare. Take action: set alerts for 'cheap flights PHX', compare carriers, and book when a fair price appears.