Question 1

What are the cheapest airlines flying from St. Louis to Phoenix round-trip?

Accepted Answer

Currently priced at $98, Frontier will fly you from St. Louis to Phoenix and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $148 and $244, respectively. These flights start at 74% lower than the current average price 3 months from now.

Question 2

What are the cheapest airlines to fly from St. Louis to Phoenix one-way?

Accepted Answer

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $59. Users have also found prices from $148 and $148 on American Airlines and Southwest, respectively.

Question 3

How far ahead should I book a flight from St. Louis to Phoenix?

Accepted Answer

The best time to book flights from St. Louis to Phoenix is 15 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 4

What is the cheapest month to book a flight from St. Louis to Phoenix?

Accepted Answer

Currently, November is the cheapest month in which you can book a flight from St. Louis to Phoenix (average of $335). Flying from St. Louis to Phoenix in August is currently the most expensive (average of $441). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 5

What is the cheapest day to fly from St. Louis to Phoenix?

Accepted Answer

Travelers seeking maximum savings on their St. Louis to Phoenix flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

Weekly flight availability from St. Louis to Phoenix

Accepted Answer

The most flights from STL to PH1 are scheduled on a Monday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

Question 7

E

Accepted Answer

In terms of precipitation, rainfall in Phoenix ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix when rainfall is around 0.0 in.

Question 8

E

Accepted Answer

If weather is an important factor for your trip to Phoenix, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

Question 9

What are the cheapest flights from St. Louis to Phoenix?

Accepted Answer

While on average a flight from St. Louis to Phoenix is generally $1,156, our data shows the cheapest flight currently is $158. When looking at the most popular route, (Lambert-St Louis - Phoenix Sky Harbor Intl), you can expect to pay $260 for that flight.

Question 10

What are the most reliable airlines from St. Louis to Phoenix?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from St. Louis to Phoenix consider choosing Southwest (81%), Alaska Airlines (81%) or American Airlines (70%) as they are the most reliable in getting you off to your destination on time.

Question 11

What are the most popular airlines that fly from St. Louis to Phoenix?

Accepted Answer

When booking a flight from St. Louis to Phoenix, you may want to consider flying on Southwest, American Airlines or Frontier as they are the most popular for this route.

Question 12

What is the cheapest time of day to fly from STL to PHX?

Accepted Answer

When flying from St. Louis to Phoenix, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 31% versus a flight in the morning.

Question 13

What airport do you fly from for flights from St. Louis to Phoenix?

Accepted Answer

Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to Phoenix from St. Louis. Booking flights from Lambert-St Louis (STL) to Phoenix should be relatively easy as there are 5 daily outbound flights to Phoenix from 5 different airlines.

Question 14

Can I find deals for flights from St. Louis to Phoenix that include hotel bookings?

Accepted Answer

Yes. In addition to deals on St. Louis to Phoenix flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 15

How can I find direct flights from St. Louis to Phoenix?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Phoenix.

Question 16

Can I find deals for business class flights from St. Louis to Phoenix?

Accepted Answer

Yes. Cheapflights offers flight deals from St. Louis to Phoenix by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Popular in	August
Cheapest in	November
Average price	$402

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$98	Average$227	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$148	Average$381	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$244	Average$397	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$255	Average$421	FlexibilityNo cancel fee	On-time63%
JetBlue	Cheapest$292	Average$380	FlexibilityNo cancel fee	On-time62%

Cheap flights from St. Louis (STL) to Phoenix

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Cheapflights Insights

How far ahead should I book a flight from St. Louis to Phoenix?

The best time to book flights from St. Louis to Phoenix is 15 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from St. Louis to Phoenix?

What is the cheapest time of day to fly from STL to PHX?

When flying from St. Louis to Phoenix, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 31% versus a flight in the morning.

What is the cheapest day to fly from St. Louis to Phoenix?

Travelers seeking maximum savings on their St. Louis to Phoenix flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from St. Louis to Phoenix

The most flights from STL to PH1 are scheduled on a Monday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Phoenix

Peruse reviews from past customers who have flown with Southwest,United Airlines, andJetBlue from St. Louis to Phoenix to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from St. Louis to Phoenix?

What are the cheapest airlines flying from St. Louis to Phoenix round-trip?

What are the cheapest airlines to fly from St. Louis to Phoenix one-way?

What are the most reliable airlines from St. Louis to Phoenix?

What are the cheapest flights from St. Louis to Phoenix?

Can I find deals for flights from St. Louis to Phoenix that include hotel bookings?

How can I find direct flights from St. Louis to Phoenix?

Can I find deals for business class flights from St. Louis to Phoenix?

What is the cheapest month to book a flight from St. Louis to Phoenix?

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Alternative routes for St. Louis to Phoenix

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St. Louis and Phoenix flights

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