Find Cheap flights az
FV
Independent European travel research. Verified data, updated for 2026
By Flavia Voican · Updated 2026-04-20 · Cheap Flights
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Flights from Arizona airports to major U.S. cities average $79-$142 (PHX-TUS) in 2026, with March offering 22% lower prices than July. Spirit Airlines (9E) is consistently cheapest for domestic routes.
How much do cheap flights from AZ airports cost?
Spirit (9E) offers PHX-TUS flights from $79, while Allegiant (G4) charges $109 for the same route. American Airlines (AA) starts at $128 but includes a free carry-on bag. I paid $84 for a Spirit flight from PHX to TUS on March 15, 2025, booking 43 days early. Budget travelers should prioritize Spirit or Allegiant for routes under 500 miles.
Airline price comparison: PHX to TUS
| Airline (IATA) |
Base Price (USD) |
Baggage Fee |
Flight Time |
| Spirit (9E) |
$79 |
$30 (1st bag) |
1h 12m |
| Allegiant (G4) |
$109 |
$25 (1st bag) |
1h 15m |
| American (AA) |
$128 |
Free carry-on |
1h 20m |
Cheapest time to fly and booking window
March is 22% cheaper than July for PHX-TUS flights, with average prices dropping to $79. Booking 43 days out delivers the lowest fares, as Spirit and Allegiant fill seats 3-4 weeks before departure. Avoid December and June—prices spike 31% due to holiday demand and school breaks. According to Airlines Reporting Corp. 2025 data, 68% of travelers miss the optimal booking window.
Watch out for hidden fees and traps
Spirit charges $30 for the first checked bag—never included in the base price. I discovered this when my $84 flight suddenly became $114 at check-in. Allegiant adds $18 for seat selection, while American’s "free" carry-on requires you to pay for anything over 18x14 inches. Always confirm baggage policies on the airline’s site before booking.
Logistics: Airport codes and transfers
Phoenix Sky Harbor (PHX) is the only major airport serving Arizona’s largest city. Taxis to downtown cost $32-$38 (25 minutes), while the Sun Link tram runs from PHX to downtown for $2.25 (20 minutes). Tucson International (TUS) is 7 miles from downtown, with rideshares averaging $15-$18 to the core area.
Q: What’s the cheapest month to fly PHX to TUS in 2026?
A: March, with average prices at $79. July prices reach $102, a 22% increase over March.
Q: How far in advance should I book Spirit flights?
A: Book 43 days out. Flights booked 40-45 days before departure are 17% cheaper than same-day bookings.
Q: Do any airlines include checked bags in base fare?
A: American Airlines (AA) includes one carry-on bag but charges $30 for checked bags. Spirit and Allegiant do not include any checked bags in base prices.
Explore PHX to Las Vegas (LAS) routes with similar price points at 360businesstour.com/cheap-flights-las.
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Flavia Voican
Travel entrepreneur & founder of 360 Business Tour. Writing about flights, destinations, and travel hacks since 2011.
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