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Cheap flights from Phoenix to St Louis

30 nonstop flights a week, 4 of them today. Operated by 2 airlines, about 2h 55m in the air, 1,270 mi (2,044 km). Tickets from $169.

Flights from Phoenix to St Louis

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.

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Best fares from Phoenix to St Louis

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

Cheapest one-way $169 13 November 2026, nonstop Cheapest nonstop $169 13 November 2026, American Airlines Cheapest in the next 7 days $169 13 November, Fri Cheapest weekend departure $169 Fri, 13 November 2026 Cheapest month November 2026 tickets from $169

Phoenix to St Louis at a glance

flight time, from 2h 45m to 5h 20m
2h 55m
straight-line distance
1,270 mi (2,044 km)
flights a week
30
flights today
4
first and last departure
05:10 - 12:00
lowest price, nonstop, 13 November
$169
airlines
2

Phoenix to St Louis flight schedule

30 flights a week, 4 today, 61 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
WN 3524
Southwest Airlines
05:10 Phoenix Sky Harbor International, terminal 4
09:00 Lambert-St. Louis International, terminal 2
2h 50m
Sat
Boeing 737-800
WN 3524
Southwest Airlines
05:45 Phoenix Sky Harbor International, terminal 4
09:35 Lambert-St. Louis International, terminal 2
2h 50m
Mon, Tue, Wed, Thu, Fri, Sun
Boeing 737
WN 3524
Southwest Airlines
06:00 Phoenix Sky Harbor International, terminal 4
09:50 Lambert-St. Louis International, terminal 2
2h 50m
Sat
Boeing 737
WN 3525
Southwest Airlines
07:50 Phoenix Sky Harbor International, terminal 4
11:40 Lambert-St. Louis International, terminal 2
2h 50m
Sat
Boeing 737-800
WN 2829
Southwest Airlines
08:35 Phoenix Sky Harbor International, terminal 4
12:30 Lambert-St. Louis International, terminal 2
2h 55m
Mon, Tue, Wed, Thu
Boeing 737-800
WN 3525
Southwest Airlines
08:50 Phoenix Sky Harbor International, terminal 4
12:40 Lambert-St. Louis International, terminal 2
2h 50m
Mon, Thu, Fri, Sun
Boeing 737
AA 2303
American Airlines
09:30 Phoenix Sky Harbor International, terminal 4
13:38 Lambert-St. Louis International, terminal 1
3h 8m
Mon, Thu, Fri, Sat, Sun
Boeing 737-800
AA 2303
American Airlines
09:37 Phoenix Sky Harbor International, terminal 4
13:43 Lambert-St. Louis International, terminal 1
3h 6m
Mon, Tue, Wed, Sat
Airbus A319
WN 2544
Southwest Airlines
10:00 Phoenix Sky Harbor International, terminal 4
16:20 Lambert-St. Louis International, terminal 2
5h 20m
Sat
WN 3519
Southwest Airlines
10:55 Phoenix Sky Harbor International, terminal 4
14:45 Lambert-St. Louis International, terminal 2
2h 50m
Sat
Boeing 737
WN 3526
Southwest Airlines
11:20 Phoenix Sky Harbor International, terminal 4
15:15 Lambert-St. Louis International, terminal 2
2h 55m
Sat
Boeing 737-800
WN 399
Southwest Airlines
12:00 Phoenix Sky Harbor International, terminal 4
17:25 Lambert-St. Louis International, terminal 2
4h 25m
Mon, Tue, Wed, Thu
Boeing 737

Seasonal and one-off flights

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

FlightDepartsArrivesDurationDaysAircraft
WN 3525
Southwest Airlines
10:15 Phoenix Sky Harbor International, terminal 4
14:10 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
Boeing 737
WN 3525
Southwest Airlines
08:25 Phoenix Sky Harbor International, terminal 4
12:15 Lambert-St. Louis International, terminal 2
2h 50m
Seasonal
Boeing 737
AA 321
American Airlines
01:01 Phoenix Sky Harbor International, terminal 4
05:00 Lambert-St. Louis International, terminal 1
2h 59m
Seasonal
Airbus A321
WN 3524
Southwest Airlines
05:15 Phoenix Sky Harbor International, terminal 4
09:05 Lambert-St. Louis International, terminal 2
2h 50m
Seasonal
Boeing 737
WN 709
Southwest Airlines
09:10 Phoenix Sky Harbor International, terminal 4
13:00 Lambert-St. Louis International, terminal 2
2h 50m
Seasonal
WN 962
Southwest Airlines
09:55 Phoenix Sky Harbor International, terminal 4
15:30 Lambert-St. Louis International, terminal 2
4h 35m
Seasonal
Boeing 737-800
WN 3002
Southwest Airlines
11:00 Phoenix Sky Harbor International, terminal 4
14:50 Lambert-St. Louis International, terminal 2
2h 50m
Seasonal
Boeing 737
AA 2303
American Airlines
09:45 Phoenix Sky Harbor International, terminal 4
13:51 Lambert-St. Louis International, terminal 1
3h 6m
Seasonal
Airbus A319
AA 1710
American Airlines
09:49 Phoenix Sky Harbor International, terminal 4
13:54 Lambert-St. Louis International, terminal 1
3h 5m
Seasonal
Airbus A320
AA 1710
American Airlines
09:54 Phoenix Sky Harbor International, terminal 4
13:59 Lambert-St. Louis International, terminal 1
3h 5m
Seasonal
Airbus A319
AA 2829
American Airlines
01:03 Phoenix Sky Harbor International, terminal 4
05:00 Lambert-St. Louis International, terminal 1
2h 57m
Selected dates
Airbus A319
WN 3220
Southwest Airlines
05:50 Phoenix Sky Harbor International, terminal 4
09:35 Lambert-St. Louis International, terminal 2
2h 45m
Seasonal
Boeing 737
WN 3222
Southwest Airlines
10:40 Phoenix Sky Harbor International, terminal 4
14:30 Lambert-St. Louis International, terminal 2
2h 50m
Seasonal
WN 3190
Southwest Airlines
10:45 Phoenix Sky Harbor International, terminal 4
16:35 Lambert-St. Louis International, terminal 2
4h 50m
Seasonal
WN 3220
Southwest Airlines
06:05 Phoenix Sky Harbor International, terminal 4
09:50 Lambert-St. Louis International, terminal 2
2h 45m
Seasonal
Boeing 737
WN 267
Southwest Airlines
09:25 Phoenix Sky Harbor International, terminal 4
13:15 Lambert-St. Louis International, terminal 2
2h 50m
Seasonal
Boeing 737-800
WN 3220
Southwest Airlines
05:45 Phoenix Sky Harbor International, terminal 4
09:30 Lambert-St. Louis International, terminal 2
2h 45m
Seasonal
Boeing 737-800
WN 972
Southwest Airlines
06:10 Phoenix Sky Harbor International, terminal 4
12:15 Lambert-St. Louis International, terminal 2
5h 5m
Seasonal
Boeing 737
WN 3221
Southwest Airlines
09:15 Phoenix Sky Harbor International, terminal 4
13:05 Lambert-St. Louis International, terminal 2
2h 50m
Seasonal
Boeing 737
WN 3222
Southwest Airlines
11:00 Phoenix Sky Harbor International, terminal 4
14:45 Lambert-St. Louis International, terminal 2
2h 45m
Seasonal
Boeing 737
WN 3221
Southwest Airlines
07:05 Phoenix Sky Harbor International, terminal 4
10:55 Lambert-St. Louis International, terminal 2
2h 50m
Seasonal
Boeing 737-800
WN 3222
Southwest Airlines
11:30 Phoenix Sky Harbor International, terminal 4
15:20 Lambert-St. Louis International, terminal 2
2h 50m
Seasonal
Boeing 737-800
WN 3220
Southwest Airlines
05:30 Phoenix Sky Harbor International, terminal 4
09:15 Lambert-St. Louis International, terminal 2
2h 45m
Seasonal
Boeing 737
WN 399
Southwest Airlines
07:40 Phoenix Sky Harbor International, terminal 4
13:10 Lambert-St. Louis International, terminal 2
4h 30m
Seasonal
Boeing 737
WN 4683
Southwest Airlines
06:05 Phoenix Sky Harbor International, terminal 4
09:55 Lambert-St. Louis International, terminal 2
2h 50m
Seasonal
Boeing 737-800
WN 2785
Southwest Airlines
08:35 Phoenix Sky Harbor International, terminal 4
12:30 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
Boeing 737
WN 481
Southwest Airlines
08:50 Phoenix Sky Harbor International, terminal 4
12:55 Lambert-St. Louis International, terminal 2
3h 5m
Seasonal
Boeing 737
WN 819
Southwest Airlines
12:00 Phoenix Sky Harbor International, terminal 4
15:50 Lambert-St. Louis International, terminal 2
2h 50m
Seasonal
Boeing 737
WN 4683
Southwest Airlines
05:20 Phoenix Sky Harbor International, terminal 4
10:10 Lambert-St. Louis International, terminal 2
2h 50m
Seasonal
Boeing 737
WN 373
Southwest Airlines
07:50 Phoenix Sky Harbor International, terminal 4
14:55 Lambert-St. Louis International, terminal 2
5h 5m
Seasonal
WN 1377
Southwest Airlines
07:55 Phoenix Sky Harbor International, terminal 4
13:00 Lambert-St. Louis International, terminal 2
3h 5m
Seasonal
Boeing 737-800
AA 2303
American Airlines
08:30 Phoenix Sky Harbor International, terminal 4
13:43 Lambert-St. Louis International, terminal 1
3h 13m
Seasonal
Boeing 737-800
WN 4922
Southwest Airlines
09:40 Phoenix Sky Harbor International, terminal 4
14:40 Lambert-St. Louis International, terminal 2
3h
Seasonal
Boeing 737
WN 4683
Southwest Airlines
05:05 Phoenix Sky Harbor International, terminal 4
09:55 Lambert-St. Louis International, terminal 2
2h 50m
Seasonal
Boeing 737-800
WN 2785
Southwest Airlines
07:35 Phoenix Sky Harbor International, terminal 4
12:30 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
Boeing 737
WN 4922
Southwest Airlines
12:05 Phoenix Sky Harbor International, terminal 4
17:00 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
Boeing 737
WN 481
Southwest Airlines
07:50 Phoenix Sky Harbor International, terminal 4
12:55 Lambert-St. Louis International, terminal 2
3h 5m
Seasonal
Boeing 737
WN 819
Southwest Airlines
11:00 Phoenix Sky Harbor International, terminal 4
15:50 Lambert-St. Louis International, terminal 2
2h 50m
Seasonal
Boeing 737
WN 2879
Southwest Airlines
12:15 Phoenix Sky Harbor International, terminal 4
18:35 Lambert-St. Louis International, terminal 2
4h 20m
Seasonal
Boeing 737
WN 4683
Southwest Airlines
06:10 Phoenix Sky Harbor International, terminal 4
11:00 Lambert-St. Louis International, terminal 2
2h 50m
Seasonal
Boeing 737
WN 1903
Southwest Airlines
10:25 Phoenix Sky Harbor International, terminal 4
15:20 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
Boeing 737
WN 3433
Southwest Airlines
05:00 Phoenix Sky Harbor International, terminal 4
09:55 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
Boeing 737
WN 3434
Southwest Airlines
08:25 Phoenix Sky Harbor International, terminal 4
13:25 Lambert-St. Louis International, terminal 2
3h
Seasonal
Boeing 737
AA 890
American Airlines
08:44 Phoenix Sky Harbor International, terminal 4
13:51 Lambert-St. Louis International, terminal 1
3h 7m
Seasonal
Airbus A319
WN 775
Southwest Airlines
10:35 Phoenix Sky Harbor International, terminal 4
17:00 Lambert-St. Louis International, terminal 2
4h 25m
Seasonal
Boeing 737-800
WN 4587
Southwest Airlines
11:45 Phoenix Sky Harbor International, terminal 4
16:35 Lambert-St. Louis International, terminal 2
2h 50m
Seasonal
WN 3434
Southwest Airlines
07:45 Phoenix Sky Harbor International, terminal 4
12:45 Lambert-St. Louis International, terminal 2
3h
Seasonal
Boeing 737-800
WN 4587
Southwest Airlines
11:00 Phoenix Sky Harbor International, terminal 4
15:55 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
Boeing 737
WN 2036
Southwest Airlines
06:00 Phoenix Sky Harbor International, terminal 4
10:50 Lambert-St. Louis International, terminal 2
2h 50m
Seasonal
Boeing 737-800
WN 4587
Southwest Airlines
10:20 Phoenix Sky Harbor International, terminal 4
15:15 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
WN 2047
Southwest Airlines
07:55 Phoenix Sky Harbor International, terminal 4
12:55 Lambert-St. Louis International, terminal 2
3h
Seasonal
Boeing 737
WN 3286
Southwest Airlines
08:15 Phoenix Sky Harbor International, terminal 4
14:45 Lambert-St. Louis International, terminal 2
4h 30m
Seasonal
AA 890
American Airlines
08:39 Phoenix Sky Harbor International, terminal 4
13:52 Lambert-St. Louis International, terminal 1
3h 13m
Seasonal
Airbus A320
WN 4270
Southwest Airlines
07:35 Phoenix Sky Harbor International, terminal 4
12:30 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
Boeing 737
WN 2987
Southwest Airlines
05:00 Phoenix Sky Harbor International, terminal 4
09:55 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
WN 4270
Southwest Airlines
07:50 Phoenix Sky Harbor International, terminal 4
12:45 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
Boeing 737
WN 4270
Southwest Airlines
06:05 Phoenix Sky Harbor International, terminal 4
11:00 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
Boeing 737
WN 3248
Southwest Airlines
09:45 Phoenix Sky Harbor International, terminal 4
14:40 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
Boeing 737
WN 4503
Southwest Airlines
05:05 Phoenix Sky Harbor International, terminal 4
10:00 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
Boeing 737
WN 4270
Southwest Airlines
07:25 Phoenix Sky Harbor International, terminal 4
12:20 Lambert-St. Louis International, terminal 2
2h 55m
Seasonal
Boeing 737
AA 890
American Airlines
08:35 Phoenix Sky Harbor International, terminal 4
13:43 Lambert-St. Louis International, terminal 1
3h 8m
Seasonal
Airbus A320

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

Airlines flying Phoenix to St Louis

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

Southwest Airlines23 a week American Airlines7 a week

Airports

Where flights from Phoenix to St Louis depart and land

Departure from Phoenix

Phoenix Sky Harbor International PHX

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

About the airport

Arrival in St Louis

Lambert-St. Louis International STL

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

About the airport

Frequently asked questions

How long is the flight from Phoenix to St Louis?
A nonstop flight takes 2 hours 55 minutes on average, from 2h 45m to 5h 20m depending on the flight.
How far is St Louis from Phoenix?
1,270 mi (2,044 km) in a straight line between the cities.
Which airlines fly nonstop from Phoenix to St Louis?
Southwest Airlines (23 a week) and American Airlines (7 a week).
How many flights a day are there from Phoenix to St Louis?
4 flights today and 30 a week, about 4.3 a day on average.
When are the first and last flights from Phoenix to St Louis?
The first departure is at 05:10 (WN3524), the last at 12:00 (WN399). Local time.
What is the cheapest upcoming date to fly from Phoenix to St Louis?
13 November 2026 (Friday): from $169 one way, nonstop, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Phoenix to St Louis?
American Airlines: nonstop tickets from $169 on 13 November by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Phoenix and St Louis?
St Louis is 1 hour ahead of Phoenix. Schedule times on this page are local to each airport.
Which Phoenix airport do flights to St Louis leave from?
Phoenix Sky Harbor International (30 a week).