Tucson to St Louis (TUS–STL) — Airlines, Schedules & Connections

TUS Airport Page →
1,242 mi airlines charter/private 1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 15 1-stop flights Verified 2w ago
Also flown by charter / private operators: NetJets Aviation, USA Jet Airlines.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
PHX Phoenix 4h 30m A8AAAS → AAWN Phoenix (PHX) to St Louis flights
DEN Denver 4h 40m ACUAWN → EJAF9UA Denver (DEN) to St Louis flights
DFW Dallas-Fort Worth 5h AAAYBA → AAASAY Dallas-Fort Worth (DFW) to St Louis flights
LAS Las Vegas 5h 15m EJAWN → EJAF9WN Las Vegas (LAS) to St Louis flights
MDW Chicago 5h 38m WN → WN Chicago (MDW) to St Louis flights
IAH Houston 5h 39m LHUA → CMNZUA Houston (IAH) to St Louis flights
SLC Salt Lake City 5h 55m AFCBCDL → DLKE Salt Lake City (SLC) to St Louis flights
SAN San Diego 6h WN → WN San Diego (SAN) to St Louis flights
LAX Los Angeles 6h 3m AAAFAM → AAASFJ Los Angeles (LAX) to St Louis flights
ORD Chicago 6h 4m AAAYBA → AAACAS Chicago (ORD) to St Louis flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Tucson to St Louis
Connecting service available through multiple hubs.
1 Airlines 1,242 mi 2h 29m nonstop +2h ahead

TUS–STL had nonstop service, last on the schedule in August 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 1,242 miles in 2h 29m.

Also explore Browse available seat maps TUS Routes STL Routes TUS Live Flights STL Live Flights TUS Delays STL Delays
All flights from St Louis (STL) St Louis to Tucson flights
Carriers on this route

Airline Landscape

Carriers that operated nonstop TUS–STL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
TSU TSU 1 – – 100% – –
Alliance coverage
Unaffiliated: TSU (1 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

1-stop and 2-stop options for TUS to STL.
1-STOP
One-Stop Connections
15
Hubs
~4h
Fastest
~8h
Longest
PHX ~4h 30m DEN ~4h 40m DFW ~5h 0m LAS ~5h 15m MDW ~5h 38m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
707
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
TUS → STL
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
87%
Return
STL → TUS
86%
Generally reliable. Most flights run on time.
Departing
86%
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. TUS delays → STL delays →
Alternatives

Other ways to reach St Louis from Tucson

Nearby airports with service to St. Louis Lambert International Airport.
Metric TUS→STL PHX→STL
Distance from TUS – 110 mi
Nonstop airlines – 8
Weekly flights – 84
Flight time 2h 29m 2h 45m
Departure OTP 100% –
Phoenix (PHX) to St Louis flights
Airports within 200 miles of TUS with service to St. Louis Lambert International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+2h
St Louis is 2 hours ahead of Tucson.
TUS: MST · STL: CDT

When it's 6:00 PM in Tucson, it's 8:00 PM in St Louis.
Distance & Flight Time
1,242 mi / 1,999 km
Nonstop flight time is approximately 2h 29m gate to gate.
Facts

TUS–STL Quick Facts

Key statistics for the Tucson to St Louis route.
Route details
Distance1,242 mi / 1,999 km
Flight time2h 29m
Time difference+2 hours
Airlines (nonstop)1
1-stop connectionsAvailable
Origin: TUS
Full nameTucson International Airport
IATA / ICAOTUS / KTUS
TimezoneAmerica/Phoenix
Passengers/yr3.9M
Elevation2,643 ft / 806 m
Destination: STL
Full nameSt. Louis Lambert International Airport
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
Passengers/yr15.6M
Elevation618 ft / 188 m
FAQ

Frequently Asked Questions

Common questions about TUS to STL flights.
Nonstop flights from Tucson International Airport to St. Louis Lambert International Airport take about 2h 29m gate to gate. The route covers 1,242 miles.
1 airline operated the nonstop from TUS to STL. The last scheduled nonstop was in August 2026. There's no nonstop right now, so today you'd fly it with one stop. See the connection options above, ranked by layover.
Not right now. The last scheduled nonstop was in August 2026. You can still fly it with one stop, and the connecting options above are sorted by layover. Nonstop, the hop took about 2h 29m.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Phoenix Sky Harbor, Denver and Dallas Fort Worth.
On a single ticket, yes. Your bags are checked through to STL and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
St Louis is 2 hours ahead of Tucson.
Yes, return flights from STL to TUS are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include PHX. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from TUS to STL

Tucson International Airport (TUS) and St. Louis Lambert International Airport (STL) had nonstop service, last on the schedule in August 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.

TUS to STL Flight Duration and Schedule

Nonstop flight time from TUS to STL is about 2 hours 29 minutes gate to gate. The route covers a distance of 1,242 miles (1,999 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Phoenix Sky Harbor, Denver and Dallas Fort Worth. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Phoenix (PHX).