✦ Smart route search

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
✈ Flight Search
Modify your route
From
To
Depart
Return
Adults
Children
Infants
Cabin
Trip Type
PHX→STL

Sort By

💰 Cheapest
⚡ Fastest
🕐 Earliest

🎚️ Filters

Stops Reset
0
0
0
Max Price Reset
Up to ₹5,00,000
Departure Time Reset
🌙 Night
12am–6am
🌅 Morning
6am–12pm
☀️ Afternoon
12pm–6pm
🌆 Evening
6pm–12am
Fare Type
Airlines All
Loading…
Select Fare
Showing 25 of 121 live flights
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
₹15,867
per person
✕ Non-refundable
American Airlines
AA-4968
19:05
05/11/2026
PHX
Phoenix Sky Harbor International Airport
5h 7m
Non-stop
00:12
05/12/2026
+1
STL
St Louis Lambert International Airport
₹17,957
per person
✓ Refundable11 fare options
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
₹18,311
per person
✕ Non-refundable6 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
₹18,311
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-2906
16:10
05/11/2026
PHX
Phoenix Sky Harbor International Airport
4h 55m
Non-stop
21:05
05/11/2026
STL
St Louis Lambert International Airport
₹18,311
per person
✕ Non-refundable🔥 Last 4 seats6 fare options
Southwest Airlines
WN-3904
08:10
05/11/2026
PHX
Phoenix Sky Harbor International Airport
5h 5m
Non-stop
13:15
05/11/2026
STL
St Louis Lambert International Airport
₹18,848
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
Delta Air Lines
DL-1738
17:16
05/11/2026
PHX
Phoenix Sky Harbor International Airport
7h 14m
1 Stop
⏱ SLC · 0h 44mSLC Airport
00:30
05/12/2026
+1
STL
St Louis Lambert International Airport
₹18,865
per person
✕ Non-refundable
Delta Air Lines
DL-1535
06:05
05/11/2026
PHX
Phoenix Sky Harbor International Airport
7h 27m
1 Stop
⏱ SLC · 0h 57mSLC Airport
13:32
05/11/2026
STL
St Louis Lambert International Airport
₹18,865
per person
✕ Non-refundable
Delta Air Lines
DL-1777
09:33
05/11/2026
PHX
Phoenix Sky Harbor International Airport
9h 30m
1 Stop
⏱ SLC · 3h 0mSLC Airport
19:03
05/11/2026
STL
St Louis Lambert International Airport
₹18,865
per person
✕ Non-refundable
American Airlines
AA-2786
15:35
05/11/2026
PHX
Phoenix Sky Harbor International Airport
8h 21m
1 Stop
⏱ ORD · 1h 25mORD Airport
23:56
05/11/2026
STL
St Louis Lambert International Airport
₹18,872
per person
✓ Refundable6 fare options
American Airlines
AA-1748
23:59
05/11/2026
PHX
Phoenix Sky Harbor International Airport
8h 26m
1 Stop
⏱ ORD · 1h 23mORD Airport
08:25
05/12/2026
+1
STL
St Louis Lambert International Airport
₹18,872
per person
✓ Refundable6 fare options
American Airlines
AA-3274
14:25
05/11/2026
PHX
Phoenix Sky Harbor International Airport
7h 54m
1 Stop
⏱ ORD · 0h 46mORD Airport
22:19
05/11/2026
STL
St Louis Lambert International Airport
₹18,872
per person
✓ Refundable5 fare options
American Airlines
AA-3274
14:25
05/11/2026
PHX
Phoenix Sky Harbor International Airport
9h 31m
1 Stop
⏱ ORD · 2h 31mORD Airport
23:56
05/11/2026
STL
St Louis Lambert International Airport
₹18,872
per person
✓ Refundable5 fare options
Southwest Airlines
WN-3780
09:20
05/11/2026
PHX
Phoenix Sky Harbor International Airport
6h 30m
1 Stop
⏱ DEN · 0h 45mDEN Airport
15:50
05/11/2026
STL
St Louis Lambert International Airport
₹19,409
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-3786
15:25
05/11/2026
PHX
Phoenix Sky Harbor International Airport
6h 40m
1 Stop
⏱ DEN · 0h 50mDEN Airport
22:05
05/11/2026
STL
St Louis Lambert International Airport
₹19,409
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-1091
15:35
05/11/2026
PHX
Phoenix Sky Harbor International Airport
7h 5m
1 Stop
⏱ DAL · 1h 5mDAL Airport
22:40
05/11/2026
STL
St Louis Lambert International Airport
₹19,409
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-2850
11:00
05/11/2026
PHX
Phoenix Sky Harbor International Airport
7h 55m
1 Stop
⏱ SAN · 1h 10mSAN Airport
18:55
05/11/2026
STL
St Louis Lambert International Airport
₹19,409
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-3166
16:40
05/11/2026
PHX
Phoenix Sky Harbor International Airport
7h 10m
1 Stop
⏱ DEN · 1h 15mDEN Airport
23:50
05/11/2026
STL
St Louis Lambert International Airport
₹19,409
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-3779
08:05
05/11/2026
PHX
Phoenix Sky Harbor International Airport
7h 45m
1 Stop
⏱ DEN · 2h 0mDEN Airport
15:50
05/11/2026
STL
St Louis Lambert International Airport
₹19,409
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-2864
14:05
05/11/2026
PHX
Phoenix Sky Harbor International Airport
8h 0m
1 Stop
⏱ DEN · 2h 10mDEN Airport
22:05
05/11/2026
STL
St Louis Lambert International Airport
₹19,409
per person
✕ Non-refundable5 fare options
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
₹19,409
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-2550
07:00
05/11/2026
PHX
Phoenix Sky Harbor International Airport
8h 50m
1 Stop
⏱ DEN · 3h 5mDEN Airport
15:50
05/11/2026
STL
St Louis Lambert International Airport
₹19,409
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-1718
05:00
05/11/2026
PHX
Phoenix Sky Harbor International Airport
7h 50m
1 Stop
⏱ DAL · 1h 45mDAL Airport
12:50
05/11/2026
STL
St Louis Lambert International Airport
₹19,409
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-4007
14:40
05/11/2026
PHX
Phoenix Sky Harbor International Airport
8h 0m
1 Stop
⏱ DAL · 2h 0mDAL Airport
22:40
05/11/2026
STL
St Louis Lambert International Airport
₹19,409
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-1091
15:35
05/11/2026
PHX
Phoenix Sky Harbor International Airport
8h 40m
1 Stop
⏱ DAL · 2h 40mDAL Airport
00:15
05/12/2026
+1
STL
St Louis Lambert International Airport
₹19,409
per person
✕ Non-refundable5 fare options
😕 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

Compare nearby dates

The date strip above lets you scan nearby fares without restarting the search.

Open full search for more control

Route page shows a limited live set. Full search opens the complete inventory with fresh results.

Check fare details

Each result shows baggage, refundability and fare details before you proceed.

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.