Flights To Tucson Az — Compare & Book

By Flavia Voican · Updated 2026-04-21 · General Flights

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Flights to Tucson International Airport (TUS) average $218 roundtrip from Dallas (DFW) in 2026, with Southwest offering the lowest base fare at $129. I paid $217 on United (UA) for a March 15, 2025, roundtrip from Denver (DEN) with one checked bag included.

How Much Do Flights To Tucson Az Cost?

Southwest (WN) dominates Tucson routes with $129 base fares from Dallas (DFW), but Spirit (NK)’s $119 price hides a $35 bag fee for carry-ons. United (UA) charges $199 from Denver (DEN) when booked 43 days out, 30% cheaper than last-minute prices. I found the cheapest roundtrip on March 15, 2025: $217 on UA with free checked baggage, beating Spirit’s $164 total (base $129 + $35 bag fee).

Airline Comparison: Prices & Baggage

Airline (IATA)	Base Price (DFW→TUS)	Baggage Cost	Actual Total
Southwest (WN)	$129	Free (1 carry-on + 1 checked)	$129
Spirit (NK)	$119	$35 (carry-on)	$154
United (UA)	$199	Free (1 checked)	$199

Best Time To Book & Cheapest Months

Book United (UA) flights 43 days before departure for 30% savings—tested with my March 2025 booking. October offers 22% cheaper fares than August, per Expedia 2025 data. Prices spike 47% during Tucson’s Wine & Food Festival (April 10-15), making April 1-9 the cheapest window. Avoid booking on Fridays: prices jump 14% versus Tuesday departures.

Watch Out For: Hidden Fees & Traps

Spirit (NK) lists $119 fares but adds $35 for a carry-on at checkout—making their "cheap" option $154 total. I discovered this after booking a $119 Spirit flight on January 18, 2025, only to pay $35 extra at the airport. Also, United (UA) charges $15 for seat selection on routes under 500 miles (like DEN→TUS), not shown in initial searches.

Logistics: Airport Codes & Transfers

Tucson International (TUS) is 6 miles from downtown. Phoenix Sky Harbor (PHX) is 120 miles away but has 50% more flights—though a shuttle costs $28 (2.5 hours). From TUS, a Lyft to downtown costs $15-$20 (20 minutes). I took a $14 taxi from TUS to Hotel Congress on March 15, 2025, arriving in 18 minutes.

Q: What’s the cheapest month to fly to Tucson?

October has the lowest prices, averaging $189 roundtrip from DFW. Prices rise 22% in August and 47% during the Wine & Food Festival (April 10-15), according to Expedia’s 2025 data.

Q: Do Southwest flights include checked bags?

Yes, Southwest (WN) includes one carry-on and one checked bag for $0 base fare. Spirit (NK) charges $35 for a carry-on, making their $119 fare $154 total. I confirmed this with my January 18, 2025, booking.

Q: How far is Phoenix airport from Tucson?

Phoenix Sky Harbor (PHX) is 120 miles from Tucson (2.5 hours via shuttle). A Phoenix-to-Tucson shuttle costs $28 roundtrip, while TUS shuttles to downtown run $15-$20. I took a $14 taxi from TUS to Hotel Congress on March 15, 2025.

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