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Phoenix to St. Louis flight ticket price

Compare live prices for PHX to STL. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
PHX → STL Approx. 2026.82 km 11 May 2026 Live inventory
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Showing 25 of 135 live flights
Southwest Airlines
WN-3183
05:15
05/11/2026
PHX
Phoenix Sky Harbor International Airport
4h 50m
Non-stop
10:05
05/11/2026
STL
St Louis Lambert International Airport
₹18,463
per person
✕ Non-refundable10 fare options
Southwest Airlines
WN-1845
19:40
05/11/2026
PHX
Phoenix Sky Harbor International Airport
4h 50m
Non-stop
00:30
05/12/2026
+1
STL
St Louis Lambert International Airport
₹18,463
per person
✕ Non-refundable10 fare options
Frontier Airlines
F9-4113
22:27
05/11/2026
PHX
Phoenix Sky Harbor International Airport
19h 39m
1 Stop
⏱ LAS · 13h 1mLAS Airport
18:06
05/12/2026
+1
STL
St Louis Lambert International Airport
₹18,821
per person
✕ Non-refundable
Southwest Airlines
WN-3786
15:25
05/11/2026
PHX
Phoenix Sky Harbor International Airport
8h 25m
1 Stop
⏱ DEN · 2h 30mDEN Airport
23:50
05/11/2026
STL
St Louis Lambert International Airport
₹19,566
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-3798
15:50
05/11/2026
PHX
Phoenix Sky Harbor International Airport
8h 5m
1 Stop
⏱ HOU · 1h 35mHOU Airport
23:55
05/11/2026
STL
St Louis Lambert International Airport
₹19,566
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-3739
23:40
05/11/2026
PHX
Phoenix Sky Harbor International Airport
8h 5m
1 Stop
⏱ ATL · 0h 55mATL Airport
07:45
05/12/2026
+1
STL
St Louis Lambert International Airport
₹19,566
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-2864
14:05
05/11/2026
PHX
Phoenix Sky Harbor International Airport
9h 45m
1 Stop
⏱ DEN · 3h 50mDEN Airport
23:50
05/11/2026
STL
St Louis Lambert International Airport
₹19,566
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-1221
14:30
05/11/2026
PHX
Phoenix Sky Harbor International Airport
9h 45m
2 Stops
⏱ SAT · 1h 10mSAT Airport⏱ DAL · 1h 35mDAL Airport
00:15
05/12/2026
+1
STL
St Louis Lambert International Airport
₹20,243
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-1566
13:05
05/11/2026
PHX
Phoenix Sky Harbor International Airport
9h 35m
2 Stops
⏱ SLC · 0h 45mSLC Airport⏱ DAL · 1h 0mDAL Airport
22:40
05/11/2026
STL
St Louis Lambert International Airport
₹20,243
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-1566
13:05
05/11/2026
PHX
Phoenix Sky Harbor International Airport
10h 45m
2 Stops
⏱ SLC · 0h 35mSLC Airport⏱ LAS · 1h 50mLAS Airport
23:50
05/11/2026
STL
St Louis Lambert International Airport
₹20,243
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-2864
14:05
05/11/2026
PHX
Phoenix Sky Harbor International Airport
9h 10m
2 Stops
⏱ DEN · 0h 45mDEN Airport⏱ BNA · 0h 45mBNA Airport
23:15
05/11/2026
STL
St Louis Lambert International Airport
₹20,243
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-3786
15:25
05/11/2026
PHX
Phoenix Sky Harbor International Airport
20h 0m
1 Stop
⏱ DEN · 14h 10mDEN Airport
11:25
05/12/2026
+1
STL
St Louis Lambert International Airport
₹23,290
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-3780
09:20
05/11/2026
PHX
Phoenix Sky Harbor International Airport
23h 40m
1 Stop
⏱ DEN · 17h 50mDEN Airport
09:00
05/12/2026
+1
STL
St Louis Lambert International Airport
₹23,290
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-2864
14:05
05/11/2026
PHX
Phoenix Sky Harbor International Airport
21h 20m
1 Stop
⏱ DEN · 15h 30mDEN Airport
11:25
05/12/2026
+1
STL
St Louis Lambert International Airport
₹23,290
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-2864
14:05
05/11/2026
PHX
Phoenix Sky Harbor International Airport
18h 55m
1 Stop
⏱ DEN · 13h 5mDEN Airport
09:00
05/12/2026
+1
STL
St Louis Lambert International Airport
₹23,290
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-2176
12:25
05/11/2026
PHX
Phoenix Sky Harbor International Airport
23h 0m
1 Stop
⏱ DEN · 17h 10mDEN Airport
11:25
05/12/2026
+1
STL
St Louis Lambert International Airport
₹23,290
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-2176
12:25
05/11/2026
PHX
Phoenix Sky Harbor International Airport
20h 35m
1 Stop
⏱ DEN · 14h 45mDEN Airport
09:00
05/12/2026
+1
STL
St Louis Lambert International Airport
₹23,290
per person
✕ Non-refundable4 fare options
Frontier Airlines
F9-3983
09:52
05/11/2026
PHX
Phoenix Sky Harbor International Airport
10h 31m
1 Stop
⏱ LAS · 3h 43mLAS Airport
20:23
05/11/2026
STL
St Louis Lambert International Airport
₹23,352
per person
✕ Non-refundable
Southwest Airlines
WN-2864
14:05
05/11/2026
PHX
Phoenix Sky Harbor International Airport
22h 55m
1 Stop
⏱ DEN · 15h 50mDEN Airport
13:00
05/12/2026
+1
STL
St Louis Lambert International Airport
₹23,792
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-3166
16:40
05/11/2026
PHX
Phoenix Sky Harbor International Airport
20h 20m
1 Stop
⏱ DEN · 13h 15mDEN Airport
13:00
05/12/2026
+1
STL
St Louis Lambert International Airport
₹23,792
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-3786
15:25
05/11/2026
PHX
Phoenix Sky Harbor International Airport
21h 35m
1 Stop
⏱ DEN · 14h 30mDEN Airport
13:00
05/12/2026
+1
STL
St Louis Lambert International Airport
₹23,792
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-1552
10:30
05/11/2026
PHX
Phoenix Sky Harbor International Airport
22h 30m
1 Stop
⏱ DEN · 15h 0mDEN Airport
09:00
05/12/2026
+1
STL
St Louis Lambert International Airport
₹23,819
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-1552
10:30
05/11/2026
PHX
Phoenix Sky Harbor International Airport
24h 55m
1 Stop
⏱ DEN · 17h 25mDEN Airport
11:25
05/12/2026
+1
STL
St Louis Lambert International Airport
₹23,819
per person
✕ Non-refundable4 fare options
Frontier Airlines
F9-1019
07:40
05/11/2026
PHX
Phoenix Sky Harbor International Airport
12h 43m
1 Stop
⏱ LAS · 6h 1mLAS Airport
20:23
05/11/2026
STL
St Louis Lambert International Airport
₹24,013
per person
✕ Non-refundable
Frontier Airlines
F9-1376
05:15
05/11/2026
PHX
Phoenix Sky Harbor International Airport
14h 8m
1 Stop
⏱ DEN · 8h 7mDEN Airport
19:23
05/11/2026
STL
St Louis Lambert International Airport
₹24,013
per person
✕ Non-refundable
😕 No flights match your filters.
Phoenix (PHX)
📍 Phoenix Sky Harbor International Airport
🌍 United States
🕐 GMT -7
📐 Latitude: 33.43429946899414
📐 Longitude: -112.01200103759766
St. Louis (STL)
📍 St Louis Lambert International Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 38.748697
📐 Longitude: -90.370003

✈ Distance: Phoenix,USA to St. Louis,USA2026.82 km

📅 Results on this page are loaded for 11 May 2026. Click View all flights for the complete live search.

Phoenix to St. Louis — what to expect when booking

The PHX–STL route is served by multiple carriers throughout the year. Fares on this route can move quickly — a price available now may not be there 30 minutes later.

If your dates are flexible, try shifting your departure by a day or two using the date strip above. Mid-week departures often show lower base fares compared to weekend starts on many routes.

The distance between Phoenix,USA and St. Louis,USA is approximately 2026.82 km.

Before you book

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More flights from Phoenix (PHX)
84 routes
Phoenix Albuquerque
PHX → ABQ
Phoenix Anchorage
PHX → ANC
Phoenix Atlanta
PHX → ATL
Phoenix Austin
PHX → AUS
Phoenix Bakersfield
PHX → BFL
Phoenix Boise
PHX → BOI
Phoenix Boston
PHX → BOS
Phoenix Buffalo
PHX → BUF
Phoenix Burbank
PHX → BUR
Phoenix Calgary
PHX → YYC
Phoenix Cancun
PHX → CUN
Phoenix Charlotte
PHX → CLT
Phoenix Chicago
PHX → MDW
Phoenix Cleveland
PHX → CLE
Phoenix Columbus
PHX → CMH
Phoenix Denver
PHX → DEN
Phoenix Des Moines
PHX → DSM
Phoenix Detroit
PHX → DTW
Phoenix Durango
PHX → DRO
Phoenix Edmonton
PHX → YEG
Phoenix El Paso
PHX → ELP
Phoenix Flagstaff
PHX → FLG
Phoenix Fort Lauderdale
PHX → FLL
Phoenix Fort Worth
PHX → DFW
Phoenix Fresno
PHX → FAT
Phoenix Grand Junction
PHX → GJT
Phoenix Guadalajara
PHX → GDL
Phoenix Hermosillo
PHX → HMO
Phoenix Honolulu
PHX → HNL
Phoenix Houston
PHX → IAH
Phoenix Houston
PHX → HOU
Phoenix Indianapolis
PHX → IND
Phoenix Ixtapa
PHX → ZIH
Phoenix Kahului
PHX → OGG
Phoenix Kansas City
PHX → MCI
Phoenix Kona
PHX → KOA
Phoenix Las Vegas
PHX → LAS
Phoenix Lihue
PHX → LIH
Phoenix Little Rock
PHX → LIT
Phoenix London
PHX → LHR
Phoenix Long Beach
PHX → LGB
Phoenix Los Angeles
PHX → LAX
Phoenix Louisville
PHX → SDF
Phoenix Mazatlan
PHX → MZT
Phoenix Mexico City
PHX → MEX
Phoenix Miami
PHX → MIA
Phoenix Milwaukee
PHX → MKE
Phoenix Minneapolis
PHX → MSP
Phoenix Monterey
PHX → MRY
Phoenix Nashville
PHX → BNA
Phoenix New Orleans
PHX → MSY
Phoenix New York
PHX → EWR
Phoenix Oakland
PHX → OAK
Phoenix Oklahoma City
PHX → OKC
Phoenix Omaha
PHX → OMA
Phoenix Ontario
PHX → ONT
Phoenix Orlando
PHX → MCO
Phoenix Page
PHX → PGA
Phoenix Palm Springs
PHX → PSP
Phoenix Philadelphia
PHX → PHL
Phoenix Pittsburgh International Airport
PHX → PIT
Phoenix Portland International
PHX → PDX
Phoenix Puerto Vallarta
PHX → PVR
Phoenix Raleigh
PHX → RDU
Phoenix Reno
PHX → RNO
Phoenix Sacramento
PHX → SMF
Phoenix Salt Lake City
PHX → SLC
Phoenix San Antonio
PHX → SAT
Phoenix San Diego
PHX → SAN
Phoenix San Francisco
PHX → SFO
Phoenix San Jose Cabo
PHX → SJD
Phoenix San Jose
PHX → SJC
Phoenix San Luis Obisco
PHX → SBP
Phoenix Santa Ana
PHX → SNA
Phoenix Santa Barbara
PHX → SBA
Phoenix Seattle
PHX → SEA
Phoenix Spokane
PHX → GEG
Phoenix Tampa
PHX → TPA
Phoenix Toronto
PHX → YYZ
Phoenix Tucson
PHX → TUS
Phoenix Tulsa
PHX → TUL
Phoenix Vancouver
PHX → YVR
Phoenix Washington DC
PHX → IAD
Phoenix Yuma
PHX → YUM
More flights from St. Louis (STL)
55 routes
St. Louis Atlanta
STL → ATL
St. Louis Boston
STL → BOS
St. Louis Burlington IA
STL → BRL
St. Louis Cancun
STL → CUN
St. Louis Cape Girardeau
STL → CGI
St. Louis Charlotte
STL → CLT
St. Louis Chicago
STL → MDW
St. Louis Cincinnati
STL → CVG
St. Louis Cleveland
STL → CLE
St. Louis Columbus
STL → CMH
St. Louis Dallas
STL → DAL
St. Louis Decatur
STL → DEC
St. Louis Denver
STL → DEN
St. Louis Detroit
STL → DTW
St. Louis Fort Lauderdale
STL → FLL
St. Louis Fort Leonard Wood
STL → TBN
St. Louis Fort Myers
STL → RSW
St. Louis Fort Worth
STL → DFW
St. Louis Grand Rapids
STL → GRR
St. Louis Houston
STL → IAH
St. Louis Houston
STL → HOU
St. Louis Jonesboro
STL → JBR
St. Louis Kansas City
STL → MCI
St. Louis Kirksville
STL → IRK
St. Louis Las Vegas
STL → LAS
St. Louis Little Rock
STL → LIT
St. Louis Los Angeles
STL → LAX
St. Louis Marion
STL → MWA
St. Louis Miami
STL → MIA
St. Louis Milwaukee
STL → MKE
St. Louis Minneapolis
STL → MSP
St. Louis Montego Bay
STL → MBJ
St. Louis Nashville
STL → BNA
St. Louis New Orleans
STL → MSY
St. Louis New York
STL → JFK
St. Louis Oklahoma City
STL → OKC
St. Louis Omaha
STL → OMA
St. Louis Orlando
STL → MCO
St. Louis Owensboro
STL → OWB
St. Louis Philadelphia
STL → PHL
St. Louis Phoenix
STL → PHX
St. Louis Pittsburgh International Airport
STL → PIT
St. Louis Puerto Vallarta
STL → PVR
St. Louis Punta Cana
STL → PUJ
St. Louis Quincy
STL → UIN
St. Louis Raleigh
STL → RDU
St. Louis Salt Lake City
STL → SLC
St. Louis San Antonio
STL → SAT
St. Louis San Diego
STL → SAN
St. Louis San Francisco
STL → SFO
St. Louis Seattle
STL → SEA
St. Louis Tampa
STL → TPA
St. Louis Toronto
STL → YYZ
St. Louis Tulsa
STL → TUL
St. Louis Washington DC
STL → DCA
❓ Frequently asked questions — Phoenix to St. Louis flights

Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.

The straight-line distance between Phoenix,USA (PHX) and St. Louis,USA (STL) is approximately 2026.82 km. Actual flying distance may vary slightly depending on routing.

Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.

Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.