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Cheap flights from St Louis to Phoenix

41 nonstop flights a week, 6 of them today. Operated by 2 airlines, about 3h 30m in the air, 1,270 mi (2,044 km). Tickets from $151, nonstop from $164.

Flights from St Louis to Phoenix

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Filters

Best fares from St Louis to Phoenix

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $151 14 November 2026, with a connection Cheapest nonstop $164 14 November 2026, American Airlines Cheapest in the next 7 days $151 14 November, Sat Cheapest weekend departure $151 Sat, 14 November 2026 Cheapest month November 2026 tickets from $151

St Louis to Phoenix at a glance

flight time, from 3h 5m to 7h 45m
3h 30m
straight-line distance
1,270 mi (2,044 km)
flights a week
41
flights today
6
first and last departure
05:05 - 12:10
lowest price, with a connection, 14 November
$151
lowest nonstop price
$164
airlines
2

St Louis to Phoenix flight schedule

41 flights a week, 6 today, 54 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
WN 1671
Southwest Airlines
05:05 Lambert-St. Louis International, terminal 2
07:30 Phoenix Sky Harbor International, terminal 4
3h 25m
Mon, Thu, Fri, Sun
WN 4213
Southwest Airlines
05:15 Lambert-St. Louis International, terminal 2
07:40 Phoenix Sky Harbor International, terminal 4
3h 25m
Sat
Boeing 737
WN 679
Southwest Airlines
05:55 Lambert-St. Louis International, terminal 2
08:20 Phoenix Sky Harbor International, terminal 4
3h 25m
Mon, Tue, Wed, Thu
WN 130
Southwest Airlines
06:20 Lambert-St. Louis International, terminal 2
08:45 Phoenix Sky Harbor International, terminal 4
3h 25m
Sat
Boeing 737
WN 3286
Southwest Airlines
07:55 Lambert-St. Louis International, terminal 2
11:45 Phoenix Sky Harbor International, terminal 4
4h 50m
Sat
Boeing 737-800
AA 2574
American Airlines
07:56 Lambert-St. Louis International, terminal 1
10:32 Phoenix Sky Harbor International, terminal 4
3h 36m
Thu, Sun
Boeing 737-800
AA 2574
American Airlines
07:58 Lambert-St. Louis International, terminal 1
10:39 Phoenix Sky Harbor International, terminal 4
3h 41m
Mon, Thu, Fri, Sat, Sun
Boeing 737-800
AA 2574
American Airlines
08:00 Lambert-St. Louis International, terminal 1
10:36 Phoenix Sky Harbor International, terminal 4
3h 36m
Mon, Tue, Wed, Fri, Sat
Boeing 737-800
WN 1755
Southwest Airlines
08:25 Lambert-St. Louis International, terminal 2
12:25 Phoenix Sky Harbor International, terminal 4
5h
Mon, Tue, Wed, Thu
WN 3286
Southwest Airlines
08:25 Lambert-St. Louis International, terminal 2
12:15 Phoenix Sky Harbor International, terminal 4
4h 50m
Mon, Tue, Wed, Thu
Boeing 737
WN 4452
Southwest Airlines
08:30 Lambert-St. Louis International, terminal 2
13:35 Phoenix Sky Harbor International, terminal 4
6h 5m
Thu, Fri
Boeing 737-800
WN 4187
Southwest Airlines
08:35 Lambert-St. Louis International, terminal 2
11:00 Phoenix Sky Harbor International, terminal 4
3h 25m
Mon, Tue, Wed, Thu
WN 2388
Southwest Airlines
08:40 Lambert-St. Louis International, terminal 2
13:50 Phoenix Sky Harbor International, terminal 4
6h 10m
Sat
Boeing 737-800
WN 3286
Southwest Airlines
08:40 Lambert-St. Louis International, terminal 2
12:25 Phoenix Sky Harbor International, terminal 4
4h 45m
Sat
WN 4452
Southwest Airlines
08:50 Lambert-St. Louis International, terminal 2
13:55 Phoenix Sky Harbor International, terminal 4
6h 5m
Mon, Fri, Sun
Boeing 737-800
WN 4187
Southwest Airlines
09:35 Lambert-St. Louis International, terminal 2
12:00 Phoenix Sky Harbor International, terminal 4
3h 25m
Mon, Thu, Fri, Sun
Boeing 737
WN 1412
Southwest Airlines
09:55 Lambert-St. Louis International, terminal 2
15:20 Phoenix Sky Harbor International, terminal 4
6h 25m
Sat
WN 115
Southwest Airlines
10:45 Lambert-St. Louis International, terminal 2
13:10 Phoenix Sky Harbor International, terminal 4
3h 25m
Tue
Boeing 737
WN 2554
Southwest Airlines
11:45 Lambert-St. Louis International, terminal 2
14:10 Phoenix Sky Harbor International, terminal 4
3h 25m
Sat
Boeing 737
WN 4187
Southwest Airlines
12:10 Lambert-St. Louis International, terminal 2
14:35 Phoenix Sky Harbor International, terminal 4
3h 25m
Sat
Boeing 737-800

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 24 November.

FlightDepartsArrivesDurationDaysAircraft
WN 4213
Southwest Airlines
05:20 Lambert-St. Louis International, terminal 2
07:45 Phoenix Sky Harbor International, terminal 4
3h 25m
Seasonal
Boeing 737
WN 4187
Southwest Airlines
09:50 Lambert-St. Louis International, terminal 2
12:10 Phoenix Sky Harbor International, terminal 4
3h 20m
Seasonal
Boeing 737
WN 1327
Southwest Airlines
07:40 Lambert-St. Louis International, terminal 2
13:50 Phoenix Sky Harbor International, terminal 4
7h 10m
Seasonal
WN 4187
Southwest Airlines
07:45 Lambert-St. Louis International, terminal 2
10:05 Phoenix Sky Harbor International, terminal 4
3h 20m
Seasonal
Boeing 737
WN 447
Southwest Airlines
12:05 Lambert-St. Louis International, terminal 2
14:25 Phoenix Sky Harbor International, terminal 4
3h 20m
Seasonal
Boeing 737
WN 4213
Southwest Airlines
05:35 Lambert-St. Louis International, terminal 2
08:00 Phoenix Sky Harbor International, terminal 4
3h 25m
Seasonal
Boeing 737-800
AA 321
American Airlines
06:00 Lambert-St. Louis International, terminal 1
08:36 Phoenix Sky Harbor International, terminal 4
3h 36m
Seasonal
Airbus A321
AA 2574
American Airlines
07:52 Lambert-St. Louis International, terminal 1
10:33 Phoenix Sky Harbor International, terminal 4
3h 41m
Seasonal
Boeing 737-800
WN 4187
Southwest Airlines
10:45 Lambert-St. Louis International, terminal 2
13:10 Phoenix Sky Harbor International, terminal 4
3h 25m
Seasonal
AA 2574
American Airlines
07:55 Lambert-St. Louis International, terminal 1
10:34 Phoenix Sky Harbor International, terminal 4
3h 39m
Seasonal
Boeing 737-800
AA 2574
American Airlines
07:35 Lambert-St. Louis International, terminal 1
10:14 Phoenix Sky Harbor International, terminal 4
3h 39m
Seasonal
Airbus A319
WN 3833
Southwest Airlines
05:45 Lambert-St. Louis International, terminal 2
08:15 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
Boeing 737-800
WN 3834
Southwest Airlines
08:55 Lambert-St. Louis International, terminal 2
11:25 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
Boeing 737-800
WN 3833
Southwest Airlines
05:20 Lambert-St. Louis International, terminal 2
07:50 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
Boeing 737
WN 1183
Southwest Airlines
08:05 Lambert-St. Louis International, terminal 2
10:40 Phoenix Sky Harbor International, terminal 4
3h 35m
Seasonal
Boeing 737-800
WN 3833
Southwest Airlines
05:50 Lambert-St. Louis International, terminal 2
08:20 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
Boeing 737
WN 3834
Southwest Airlines
08:25 Lambert-St. Louis International, terminal 2
10:55 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
WN 3833
Southwest Airlines
05:15 Lambert-St. Louis International, terminal 2
07:45 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
Boeing 737
WN 2096
Southwest Airlines
11:35 Lambert-St. Louis International, terminal 2
14:00 Phoenix Sky Harbor International, terminal 4
3h 25m
Seasonal
Boeing 737-800
WN 1227
Southwest Airlines
08:40 Lambert-St. Louis International, terminal 2
12:30 Phoenix Sky Harbor International, terminal 4
4h 50m
Seasonal
Boeing 737
WN 411
Southwest Airlines
08:40 Lambert-St. Louis International, terminal 2
11:10 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
Boeing 737
WN 3464
Southwest Airlines
08:45 Lambert-St. Louis International, terminal 2
13:15 Phoenix Sky Harbor International, terminal 4
5h 30m
Seasonal
WN 3446
Southwest Airlines
05:00 Lambert-St. Louis International, terminal 2
07:30 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
Boeing 737
WN 4155
Southwest Airlines
08:35 Lambert-St. Louis International, terminal 2
11:25 Phoenix Sky Harbor International, terminal 4
3h 50m
Seasonal
Boeing 737
WN 4439
Southwest Airlines
08:35 Lambert-St. Louis International, terminal 2
11:05 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
Boeing 737-800
WN 1864
Southwest Airlines
11:55 Lambert-St. Louis International, terminal 2
14:20 Phoenix Sky Harbor International, terminal 4
3h 25m
Seasonal
Boeing 737-800
WN 3446
Southwest Airlines
05:25 Lambert-St. Louis International, terminal 2
07:55 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
Boeing 737
WN 4161
Southwest Airlines
08:05 Lambert-St. Louis International, terminal 2
10:35 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
Boeing 737-800
WN 1864
Southwest Airlines
11:40 Lambert-St. Louis International, terminal 2
14:05 Phoenix Sky Harbor International, terminal 4
3h 25m
Seasonal
WN 1657
Southwest Airlines
05:45 Lambert-St. Louis International, terminal 2
07:15 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
Boeing 737-800
WN 3386
Southwest Airlines
08:25 Lambert-St. Louis International, terminal 2
09:55 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
Boeing 737
WN 2444
Southwest Airlines
10:55 Lambert-St. Louis International, terminal 2
12:25 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
Boeing 737
WN 1693
Southwest Airlines
06:30 Lambert-St. Louis International, terminal 2
08:00 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
Boeing 737
WN 3373
Southwest Airlines
08:40 Lambert-St. Louis International, terminal 2
10:10 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
Boeing 737
WN 4090
Southwest Airlines
05:45 Lambert-St. Louis International, terminal 2
07:10 Phoenix Sky Harbor International, terminal 4
3h 25m
Seasonal
Boeing 737-800
AA 4236
American Airlines
08:00 Lambert-St. Louis International, terminal 1
09:37 Phoenix Sky Harbor International, terminal 4
3h 37m
Seasonal
Embraer EMB 175
WN 2051
Southwest Airlines
08:25 Lambert-St. Louis International, terminal 2
09:55 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
Boeing 737-800
WN 4319
Southwest Airlines
08:25 Lambert-St. Louis International, terminal 2
11:10 Phoenix Sky Harbor International, terminal 4
4h 45m
Seasonal
Boeing 737
WN 4090
Southwest Airlines
05:10 Lambert-St. Louis International, terminal 2
06:35 Phoenix Sky Harbor International, terminal 4
3h 25m
Seasonal
Boeing 737
WN 2613
Southwest Airlines
08:25 Lambert-St. Louis International, terminal 2
11:05 Phoenix Sky Harbor International, terminal 4
4h 40m
Seasonal
WN 3288
Southwest Airlines
08:25 Lambert-St. Louis International, terminal 2
09:55 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
Boeing 737
WN 4090
Southwest Airlines
05:35 Lambert-St. Louis International, terminal 2
07:00 Phoenix Sky Harbor International, terminal 4
3h 25m
Seasonal
Boeing 737
WN 1416
Southwest Airlines
08:45 Lambert-St. Louis International, terminal 2
14:30 Phoenix Sky Harbor International, terminal 4
7h 45m
Seasonal
WN 1663
Southwest Airlines
10:15 Lambert-St. Louis International, terminal 2
14:30 Phoenix Sky Harbor International, terminal 4
6h 15m
Seasonal
WN 2260
Southwest Airlines
06:00 Lambert-St. Louis International, terminal 2
07:25 Phoenix Sky Harbor International, terminal 4
3h 25m
Seasonal
Boeing 737
WN 3794
Southwest Airlines
08:20 Lambert-St. Louis International, terminal 2
12:25 Phoenix Sky Harbor International, terminal 4
6h 5m
Seasonal
WN 647
Southwest Airlines
08:25 Lambert-St. Louis International, terminal 2
11:10 Phoenix Sky Harbor International, terminal 4
4h 45m
Seasonal
WN 3288
Southwest Airlines
08:30 Lambert-St. Louis International, terminal 2
10:00 Phoenix Sky Harbor International, terminal 4
3h 30m
Seasonal
Boeing 737
AA 1429
American Airlines
08:00 Lambert-St. Louis International, terminal 1
09:24 Phoenix Sky Harbor International, terminal 4
3h 24m
Seasonal
Boeing 737-800
WN 3951
Southwest Airlines
05:40 Lambert-St. Louis International, terminal 2
06:55 Phoenix Sky Harbor International, terminal 4
3h 15m
Seasonal
Boeing 737
WN 3954
Southwest Airlines
11:05 Lambert-St. Louis International, terminal 2
12:10 Phoenix Sky Harbor International, terminal 4
3h 5m
Seasonal
Boeing 737
WN 3552
Southwest Airlines
05:50 Lambert-St. Louis International, terminal 2
07:05 Phoenix Sky Harbor International, terminal 4
3h 15m
Seasonal
Boeing 737
WN 3951
Southwest Airlines
08:20 Lambert-St. Louis International, terminal 2
09:35 Phoenix Sky Harbor International, terminal 4
3h 15m
Seasonal
Boeing 737
WN 3951
Southwest Airlines
08:15 Lambert-St. Louis International, terminal 2
09:30 Phoenix Sky Harbor International, terminal 4
3h 15m
Seasonal
Boeing 737

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Phoenix is 1 hour behind St Louis. The search shows seat availability and the price for your date.

Airlines flying St Louis to Phoenix

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Southwest Airlines34 a week American Airlines7 a week

Airports

Where flights from St Louis to Phoenix depart and land

Departure from St Louis

Lambert-St. Louis International STL

41 flights a week, terminals 1, 2, 12 mi (19 km) from the city centre

About the airport

Arrival in Phoenix

Phoenix Sky Harbor International PHX

41 flights a week, terminal 4, 4 mi (7 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from St Louis to Phoenix?
A nonstop flight takes 3 hours 30 minutes on average, from 3h 5m to 7h 45m depending on the flight.
How far is Phoenix from St Louis?
1,270 mi (2,044 km) in a straight line between the cities.
Which airlines fly nonstop from St Louis to Phoenix?
Southwest Airlines (34 a week) and American Airlines (7 a week).
How many flights a day are there from St Louis to Phoenix?
6 flights today and 41 a week, about 5.9 a day on average.
When are the first and last flights from St Louis to Phoenix?
The first departure is at 05:05 (WN1671), the last at 12:10 (WN4187). Local time.
What is the cheapest upcoming date to fly from St Louis to Phoenix?
14 November 2026 (Saturday): from $151 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from St Louis to Phoenix?
American Airlines: nonstop tickets from $164 on 14 November by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between St Louis and Phoenix?
Phoenix is 1 hour behind St Louis. Schedule times on this page are local to each airport.
Which St Louis airport do flights to Phoenix leave from?
Lambert-St. Louis International (41 a week).