Cheap flights from St Louis to Flagstaff (STL - FLG)

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How to find the cheapest flight from
St Louis (STL) to Flagstaff (FLG)

STL - FLG
Price
$213 - $474
FLG
Temperature
50 - 95 °F
FLG
Rainfall
0.1 - 0.7 inches

Popular in

November

High demand for flights, 19% potential price rise

Cheapest in

July

Best time to find cheap flights, 45% potential price drop

Average price

$379

Average for round-trip flights in February 2021

Round-trip from

$213

From St Louis to Flagstaff

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from St Louis to Flagstaff?

Travelers have found that booking a Tuesday departure is the best way to save up to 37% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from St Louis to Flagstaff?

Our data shows that June tends to be the cheapest month to fly to Flagstaff from St Louis. Users have commonly found prices around $553 for the month, but tickets can be as low as $157. Due to multiple factors, prepare for potentially higher prices in August.

When is the cheapest time to fly from St Louis to Flagstaff (STL - FLG)?

It’s optimal to fly from St Louis to Flagstaff in the morning. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight at noon.

Cheap flights from St Louis to Flagstaff in February, March 2021

17 Mar - 18 Mar
$282pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
FLG
Flagstaff Pulliam
FLG
Flagstaff Pulliam
American Airlines
 
1 STOP
STL
Lambert-St Louis
17 Mar - 20 Mar
$285pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
FLG
Flagstaff Pulliam
FLG
Flagstaff Pulliam
American Airlines
 
1 STOP
STL
Lambert-St Louis
20 Mar - 22 Mar
$288pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
FLG
Flagstaff Pulliam
FLG
Flagstaff Pulliam
American Airlines
   
2 STOPS
STL
Lambert-St Louis

St Louis to Flagstaff 2021 flight deals

17 Mar - 18 Mar
$282pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
FLG
Flagstaff Pulliam
FLG
Flagstaff Pulliam
American Airlines
 
1 STOP
STL
Lambert-St Louis
17 Mar - 20 Mar
$285pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
FLG
Flagstaff Pulliam
FLG
Flagstaff Pulliam
American Airlines
 
1 STOP
STL
Lambert-St Louis
20 Mar - 22 Mar
$288pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
FLG
Flagstaff Pulliam
FLG
Flagstaff Pulliam
American Airlines
   
2 STOPS
STL
Lambert-St Louis

Last minute flights from St Louis to Flagstaff

5 Mar - 8 Mar
$572pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
FLG
Flagstaff Pulliam
FLG
Flagstaff Pulliam
American Airlines
 
1 STOP
STL
Lambert-St Louis
5 Mar - 8 Mar
$575pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
FLG
Flagstaff Pulliam
FLG
Flagstaff Pulliam
American Airlines
 
1 STOP
STL
Lambert-St Louis
5 Mar - 8 Mar
$686pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
FLG
Flagstaff Pulliam
FLG
Flagstaff Pulliam
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis

Related info for your journey

Flight FAQs

From St Louis to Flagstaff

Are flight prices decreasing from St Louis to Flagstaff due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Flagstaff for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Lambert-St Louis to Flagstaff Pulliam have flexible cancellations due to COVID-19?

American Airlines and United Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from St Louis to Flagstaff for under $300 on Cheapflights?

Yes, there are multiple flights from St Louis to Flagstaff for under $300. The cheapest flight booked recently is on American Airlines for just $282, but on average you can expect to pay $310.

Are there nonstop flights from St Louis to Flagstaff for under $300 on Cheapflights?

There are no nonstop flights from St Louis to Flagstaff, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from St Louis to Flagstaff for under $600?

There are currently 3+ open flights from St Louis to Flagstaff within the next 7 days for less than $600.

Does it rain more in St Louis or Flagstaff?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in St Louis is roughly greater than that of Flagstaff. You can assume this to be the case over the next 12 days.

Is St Louis weather warmer or cooler than Flagstaff?

You can imagine temperatures to be in the 95 °F range in July. The weather in Flagstaff is generally hotter than St Louis's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from St Louis to Flagstaff?

A quick flight from St Louis to Flagstaff can take about 5h 17m. American Airlines provides one of the quickest options available for as low as $386. This flight may include one or multiple stops.

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

According to our current data, American Airlines ($282), and United Airlines ($322) offers the cheapest pricing from St Louis to Flagstaff. American Airlines is currently priced 26% below the average price you’ll pay for this route.

Alternative routes for St Louis to Flagstaff

Destination information for Flagstaff

Average temperature for February in Flagstaff
57.2 °F
Avg rainfall for February in Flagstaff
0.3 ″

Airports servicing St. Louis

Airports servicing Flagstaff

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