A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.
Departure window: through .
| Route / flight | Departure | Cabin | Book with | Points | Fees (USD) | Seats seen | Observed (UTC) |
|---|---|---|---|---|---|---|---|
| STL → PHX AA590 | Economy | Alaska Atmos Rewards | 7,500 | $25.00 | 9 | ||
| STL → PHX AA2574 | Economy | Alaska Atmos Rewards | 7,500 | $25.00 | 9 | ||
| STL → PHX AA590 | Economy | Alaska Atmos Rewards | 7,500 | $25.00 | 9 | ||
| STL → PHX AA2574 | Economy | Alaska Atmos Rewards | 7,500 | $25.00 | 9 | ||
| STL → PHX AA590 | Economy | Alaska Atmos Rewards | 7,500 | $25.00 | 9 | ||
| STL → PHX AA2574 | Economy | Alaska Atmos Rewards | 7,500 | $25.00 | 9 | ||
| STL → PHX AA2303 | Economy | Alaska Atmos Rewards | 7,500 | $25.00 | 9 | ||
| STL → PHX AA2574 | First | Alaska Atmos Rewards | 15,000 | $25.00 | 1 |
Did you mean Flights from Phoenix to St Louis?
St Louis
United StatesSTL
Lambert St Louis International Airport
Phoenix
United StatesPHX
Phoenix Sky Harbor International Airport
Lambert St Louis International Airport (STL) serves St Louis; Phoenix Sky Harbor International Airport (PHX) serves Phoenix.
The airports are 1,259 miles apart by great-circle distance.
Roame's current schedule feed shows nonstop service from STL to PHX.
Marketing airlines listed in the current schedule, including codeshare sellers, are American Airlines (AA), Alaska Airlines (AS), Starlux Airlines (JX), United Airlines (UA) and Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.
Published schedule dates span Sep 21, 2026 – Sep 19, 2027.
These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.
Airline alliance affiliations represented: Oneworld, Star Alliance
Lambert St Louis International Airport (STL) is the origin airport and Phoenix Sky Harbor International Airport (PHX) is the destination airport.
STL and PHX are approximately 1,259 miles apart by great-circle distance.
Yes. Roame's current schedule feed shows nonstop service from STL to PHX.
Marketing airlines listed in the current schedule, including codeshare sellers, are American Airlines (AA), Alaska Airlines (AS), Starlux Airlines (JX), United Airlines (UA) and Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.
Aircraft listed in the current schedule include Airbus A319 (319), Airbus A320 (320), Airbus A321 (321), Boeing 737-800 (738), Boeing 737-800 Winglets (73H), Boeing 737 MAX 8 (7M8), 7S7, Embraer 175 (short wing) (E75) and JET.