Are direct Phoenix to St Louis flights available?
Yes. The current route snapshot includes 1 non-stop option. Availability can change by travel date, so recheck before payment.
PHX to STL
Phoenix to St Louis Flights from US$188 + Up to 20% Off
Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.
Live fares from the airlines
No hidden charges
Transparent cancellation policy
24×7 booking support
Cheapest fareUS$188Delta Air Lines
Fastest3h 7mgate to gate
Options today96flights on this route
Live flights for Tue, 18 Aug 2026
Review fares, stops, timings and baggage. Use Search or View all flights for the complete search result.
Showing flight options for the selected travel date.
Currency: USD
Delta Air Lines
DL-2553
07:12
2026-08-18
Phoenix (PHX)
Sky Harbor Intl
Sky Harbor Intl7H :32 M
1 Stop
MSP
· 3h 00m Minneapolis (MSP), United States
16:44
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$183
$188
Delta Air Lines
DL-2274
13:58
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl7H :28 M
1 Stop
MSP
· 2h 46m Minneapolis (MSP), United States
23:26
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$183
$188
Delta Air Lines
DL-1738
17:10
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl5H :31 M
1 Stop
SLC
· 1h 02m Salt Lake City (SLC), United States
00:41
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$183
$188
Delta Air Lines
DL-2553
07:12
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl14H :14 M
1 Stop
MSP
· 9h 39m Minneapolis (MSP), United States
23:26
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$197
$202
Delta Air Lines
DL-2553
07:12
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl23H :25 M
1 Stop
MSP
· 18h 40m Minneapolis (MSP), United States
08:37
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$197
$202
Delta Air Lines
DL-2553
07:12
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl25H :11 M
1 Stop
MSP
· 20h 35m Minneapolis (MSP), United States
10:23
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$197
$202
Delta Air Lines
DL-2284
17:06
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl13H :31 M
1 Stop
MSP
· 8h 40m Minneapolis (MSP), United States
08:37
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$197
$202
Delta Air Lines
DL-2284
17:06
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl15H :17 M
1 Stop
MSP
· 10h 35m Minneapolis (MSP), United States
10:23
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$197
$202
Delta Air Lines
DL-2284
17:06
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl28H :20 M
1 Stop
MSP
· 23h 39m Minneapolis (MSP), United States
23:26
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$197
$202
American Airlines
AA-590
12:30
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl3H :07 M
Non Stop
17:37
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$216
$224
Delta Air Lines
DL-1047
09:42
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl11H :44 M
1 Stop
MSP
· 7h 09m Minneapolis (MSP), United States
23:26
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$220
$228
Delta Air Lines
DL-1047
09:42
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl20H :55 M
1 Stop
MSP
· 16h 10m Minneapolis (MSP), United States
08:37
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$220
$228
Delta Air Lines
DL-1047
09:42
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl22H :41 M
1 Stop
MSP
· 18h 05m Minneapolis (MSP), United States
10:23
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$220
$228
Delta Air Lines
DL-2208
11:58
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl9H :28 M
1 Stop
MSP
· 4h 49m Minneapolis (MSP), United States
23:26
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$220
$228
Delta Air Lines
DL-2208
11:58
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl18H :39 M
1 Stop
MSP
· 13h 50m Minneapolis (MSP), United States
08:37
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$220
$228
Delta Air Lines
DL-2208
11:58
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl20H :25 M
1 Stop
MSP
· 15h 45m Minneapolis (MSP), United States
10:23
2026-08-19
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$220
$228
American Airlines
AA-1148
00:20
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl6H :04 M
1 Stop
ORD
· 1h 01m Chicago (ORD), United States
08:24
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$226
$234
American Airlines
AA-1655
05:00
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl5H :15 M
1 Stop
DFW
· 0h 42m Dallas (DFW), United States
12:15
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$226
$234
American Airlines
AA-3062
05:05
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl5H :49 M
1 Stop
ORD
· 0h 37m Chicago (ORD), United States
12:54
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$226
$234
United Airlines
UA-337
06:00
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl4H :40 M
1 Stop
DEN
· 0h 40m Denver (DEN), United States
12:40
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$226
$234
United Airlines
UA-1318
06:09
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl6H :06 M
1 Stop
IAH
· 1h 13m Houston (IAH), United States
14:15
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$226
$234
United Airlines
UA-356
06:20
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl6H :08 M
1 Stop
ORD
· 0h 59m Chicago (ORD), United States
14:28
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$226
$234
Recommended hotels in St Louis
Stay options near the arrival city for the same travel date.
Best Western Plus Louisa
- 18199 US-23, Louisa, KY 41230 ,
Free WiFiACBreakfast
Room availability is checked live
United Airlines
UA-356
06:20
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl7H :18 M
1 Stop
ORD
· 2h 08m Chicago (ORD), United States
15:38
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$226
$234
United Airlines
UA-2785
08:30
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl7H :34 M
1 Stop
IAH
· 2h 40m Houston (IAH), United States
18:04
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$226
$234
American Airlines
AA-2719
08:49
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl7H :16 M
1 Stop
DFW
· 2h 50m Dallas (DFW), United States
18:05
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$226
$234
United Airlines
UA-2677
10:18
2026-08-18
Phoenix (PHX)Sky Harbor Intl
Sky Harbor Intl11H :20 M
1 Stop
EWR
· 3h 52m New York (EWR), United States
23:38
2026-08-18
St Louis (STL)Lambert-St Louis Intl
Lambert-St Louis Intl
FLYX20 Applied
$226
$234
No flights match the selected filters. Clear filters or open full search.
Fare highlights
Selected flight highlights for 18 Aug 2026.
Lowest fare
$188
Delta Air Lines
07:12
Earliest departure
$234
American Airlines
00:20
Shortest duration
$224
American Airlines
12:30
Night
00:00-05:59
$234
American Airlines at 00:20
Morning
06:00-11:59
$188
Delta Air Lines at 07:12
Afternoon
12:00-17:59
$188
Delta Air Lines at 13:58
Evening
18:00-23:59
$234
American Airlines at 23:45
Phoenix to St Louis flight booking guide
Quick answers to the most common questions about flying Phoenix to St Louis.
Best time or month to book
There is no permanently cheapest month because airline inventory changes continuously. As a practical starting point, compare nearby dates and begin checking international trips 6–12 weeks before departure; peak holidays may need earlier booking.
Cheapest days for this route
Among the dates currently shown, Tuesday has the lowest displayed fare at $188. This is a live snapshot, not a guaranteed weekly rule.
Baggage rules
Allowance is fare-specific, not just airline-specific. Current cards show examples such as 0 Pieces check-in baggage. Open the fare choices and verify cabin/check-in baggage before continuing.
Cancellation and refund explanation
Refundable and non-refundable labels are shown on each card. Exact airline cancellation charges, no-show rules and refund timelines are verified for the selected fare before booking; promotional discounts and applicable charges are adjusted from any refund.
Secure booking support
FlyX rechecks the live fare before payment, shows the payable amount and provides 24×7 booking support. Payment, refund, cancellation and help links are available in the footer.
Airlines flying from Phoenix to St Louis
Compare fares, stops, baggage and refundability across the airlines flying this route.
American Airlines Phoenix to St Louis flights
American Airlines cheap flights Phoenix to St Louis
Fares start from $224 on this route.
Phoenix to St Louis direct American Airlines flights
1 non-stop flight currently available.
Phoenix to St Louis American Airlines flight schedule
40 departures — compare timings in the list above.
Delta Air Lines Phoenix to St Louis flights
Delta Air Lines cheap flights Phoenix to St Louis
Fares start from $188 on this route.
Phoenix to St Louis Delta Air Lines flight schedule
27 departures — compare timings in the list above.
United Airlines Phoenix to St Louis flights
United Airlines cheap flights Phoenix to St Louis
Fares start from $234 on this route.
Phoenix to St Louis United Airlines flight schedule
27 departures — compare timings in the list above.
Phoenix to St Louis flight details
| Cheapest fare | US$188 · Tue, 18 Aug |
|---|---|
| Fastest flight duration | 3h 7m · American Airlines |
| First departure of the day | 00:20 · American Airlines |
| Last departure of the day | 23:56 · Delta Air Lines |
| Flights currently available | 96 |
| Direct / non-stop options | 1 |
| Popular airlines on this route | American Airlines, Delta Air Lines, United Airlines, Alaska Airlines |
| Airport codes | Phoenix–PHX, St Louis–STL |
Fares and timings are indicative — the exact price is confirmed with the airline when you search.
Phoenix to St Louis flight schedule, timing and fares
Phoenix to St Louis flight schedule and timing
Around 96 flights operate on this route, including 1 non-stop option. Departures run through the day — the first flight leaves around 00:20 and the last around 23:56. The fastest flight takes about 3h 7m.
Morning vs evening Phoenix–St Louis fares
Lowest fare by departure window: Morning from $188, Afternoon from $188, Night from $234, Evening from $234. Early-morning and late-night flights are often cheaper than peak daytime slots.
What is today’s lowest airfare from Phoenix to St Louis?
The lowest fare we are currently showing is US$188, on a Tuesday departure. Airfares change through the day, so search your dates for the exact price.
Should I book one-way or round-trip for Phoenix to St Louis?
Domestic fares are usually priced per leg, so two one-ways often cost about the same as a round-trip and keep your return date flexible. Round-trip is worth choosing when you want a single PNR for both legs, and eligible coupons like FLYX20 apply either way.
Which airlines should I consider for Phoenix to St Louis?
American Airlines (40 flights, from $224), Delta Air Lines (27 flights, from $188), United Airlines (27 flights, from $234), Alaska Airlines (2 flights, from $391). Compare fare type, baggage and refundability — the cheapest airline is not always the best value for your dates.
Web check-in for your Phoenix to St Louis flight
Most airlines open web check-in 24–48 hours before departure on their own website or app using your PNR. Checking in early lets you pick better seats free of charge on many fares; FlyX also links every booking’s airline check-in page from Web Check-in.
How to book a Phoenix to St Louis flight on FlyX
- 1Enter your travel details
Choose one-way or round-trip, pick your dates and travellers in the search form above.
- 2Compare live results
Sort or filter the Phoenix–St Louis results by price, departure time, stops and airline.
- 3Open the fare choices
Check baggage allowance and refundability for each fare type before continuing.
- 4Review the final price
FlyX rechecks the live fare with the airline; any eligible coupon is applied automatically.
- 5Pay securely
UPI, cards, net banking and wallets supported; your e-ticket is emailed within minutes.
Why book your Phoenix to St Louis flight with FlyX?
If you are looking for Phoenix to St Louis flight tickets at the best possible fare, FlyX keeps the process simple and transparent. Enter your dates and travellers, compare live fares across every major airline on this route, and filter by price, departure time, stops or airline to find the flight that actually fits your plan. Every fare you see is rechecked live with the airline before payment, so the price you approve is the price you pay — no hidden charges added at checkout.
And that is not all — eligible discounts like FLYX20 are applied automatically on the review page, payments run over 256-bit SSL with UPI, cards, net banking and wallets, and our 24x7 support team backs every booking as an IATA-accredited travel company. Refund and cancellation rules are shown clearly for each fare before you pay, and your e-ticket lands in your inbox within minutes. So why wait? Book your Phoenix to St Louis flight on FlyX and take off with genuine savings today.
Phoenix to St Louis flight offers & coupon codes
| Coupon code | Offer | Max saving |
|---|---|---|
| FLYX20 | Up to 20% Off on Flights | ₹1,500 |
Your discount is applied automatically on the review page before you pay. View full terms.
Frequently asked questions - Phoenix to St Louis flights
Is it worth booking Phoenix to St Louis flights in advance?
Yes, booking flights in advance helps you secure cheap flight tickets. Comparing air ticket prices 3–4 weeks early gives you better visibility of airline timings, baggage policies, and fare rules before high-demand periods push prices up.
How far is Phoenix from St Louis by air?
The approximate direct air distance between Phoenix (PHX) and St Louis (STL) is 2,026.82 km. The actual flight duration and route path vary depending on airline schedules and wind conditions.
Are there non-stop flights from PHX to STL?
Non-stop flight availability depends on the airline schedule and departure date. You can filter the live search results by stops to view direct flights, one-stop connections, and transit flights instantly.
Why does the price change after clicking Book Now?
Airline seat inventory and airfares change dynamically in real-time. Selecting 'Book Now' runs a live fare verification check to ensure you get the most accurate price before final booking confirmation.
Can I compare nearby dates?
Yes, you can easily compare flights for nearby dates. Select any date on the date calendar strip to refresh the fares, compare air ticket pricing, and choose the most budget-friendly travel day.
Phoenix to St Louis - what to expect when booking
The PHX to STL cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.
Approx route distance: 2,026.82 km.
Before you book
Compare nearby dates
The date strip opens the complete search result for the route and selected date.
Use filters
Shortlist by price, stops, departure time and refundable fare preference.
Check fare choices
Continue to Booking opens the verified fare choices, including baggage and refundability, before review.
Book Cheapest Flight from Phoenix to St Louis on FlyX
Securing the best airfare from Phoenix to St Louis is all about planning. FlyX's real-time fare tracking system allows you to check flight options and lock in the lowest ticket prices before they rise:
- Book at least 3-4 weeks in advance to secure the most competitive Phoenix to St Louis airfares.
- Consider traveling mid-week (Tuesdays or Wednesdays) to bypass weekend pricing surges.
- Early morning or late-night departure flights consistently offer lower fares than afternoon slots.
- Use our live calendar view above to easily spot fare changes on nearby dates.
Find the Lowest airfare from Phoenix to St Louis
| Cheapest Fare | Fare | Date | Airline | Departure |
|---|---|---|---|---|
| Lowest Airfare Today | $188 | 18/08/2026 | Delta Air Lines | 07:12 |
| Cheapest Airfare Within 30 Days | $184 | 29/08/2026 | Delta Air Lines | 07:12 |
| Cheapest Airfare Within 90 Days | $179 | 28/10/2026 | Delta Air Lines | 07:12 |
Book Phoenix to St Louis Flight Tickets on FlyX
Planning to fly from Phoenix to St Louis? FlyX lets you compare flight rates, airline timings, layovers, and baggage allowances all in one simple list. From quick non-stop routes to flexible connecting options, finding and booking cheap air tickets has never been easier.
Phoenix to St Louis Flight Distance, Duration and Time
The aerial distance between Phoenix and St Louis is approximately 2,027 KM. The flight duration ranges from 3H :07 M up to 28H :38 M depending on whether you book a non-stop flight or a connecting schedule with layovers.
Phoenix to St Louis Flight Schedule and Timing
Around 96 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from Phoenix at 00:20, while the last night flight leaves at 23:56. Flights depart from Sky Harbor Intl and land at Lambert-St Louis Intl.
Flight Route Details & Analysis
| Flight Details | Information |
|---|---|
| Route | Phoenix to St Louis |
| Aerial Distance | 2,027 KM |
| Flight Duration | 3H :07 M - 28H :38 M |
| Airport Codes | Phoenix - PHX, St Louis - STL |
| Total Flights Available | 96 flights (1 direct) |
| First Flight Departure | Departs at 00:20 |
| Last Flight Departure | Departs at 23:56 |
| Early Morning Flights (12 AM - 8 AM) | 32 direct/indirect flights |
| Morning Flights (8 AM - 12 PM) | 27 direct/indirect flights |
| Afternoon Flights (12 PM - 4 PM) | 17 direct/indirect flights |
| Evening Flights (4 PM - 8 PM) | 12 direct/indirect flights |
| Night Flights (8 PM - 12 AM) | 8 direct/indirect flights |
Airport Information & Terminals
PHX: Phoenix airport. Phoenix airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
STL: St. Louis airport. St. Louis airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
STL: St. Louis airport. St. Louis airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.
