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

Know your dates, get live prices in seconds:

From
To
Depart
–
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
Add another flight clear all

We work with more than 300 partners to bring you better travel deals

Home North America USA Arizona Flagstaff Cheap flights from St. Louis to Flagstaff

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

All the information you need to plan the best STL to FLG flight in 2022: compare St. Louis to Flagstaff flight prices with the expected peak season, weather and rainfall in Flagstaff.
STL - FLG
Price
$213 - $474
FLG
Temperature
32 - 71.6 °F
FLG
Precipitation
0.4 - 2.7 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

$361

Average for round-trip flights in January 2022

Round-trip from

$213

From Lambert-St Louis to Flagstaff Pulliam

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?

Users have found that flying from St. Louis to Flagstaff on a Wednesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

July can be a great time to fly to Flagstaff from St. Louis with a flight ticket averaging about $386. Cheapflights users have found deals in the month of July for as cheap as $213. The most expensive prices can be found in the month of November.

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

It’s typically best to fly out from St. Louis to Flagstaff in the afternoon. Doing so could potentially save you 10% on the flight price compared to flying at noon, which is usually more expensive.

Cheap flights from St. Louis to Flagstaff in January, February 2022

The best prices found for STL to FLG flights for January, February
2 Feb - 9 Feb
$316pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
FLG
Flagstaff Pulliam
FLG
Flagstaff Pulliam
United Airlines
 
1 STOP
STL
Lambert-St Louis
2 Feb - 9 Feb
$325pp
STL
Lambert-St Louis
United Airlines
   
2 STOPS
FLG
Flagstaff Pulliam
FLG
Flagstaff Pulliam
United Airlines
 
1 STOP
STL
Lambert-St Louis
2 Feb - 9 Feb
$334pp
STL
Lambert-St Louis
United Airlines
   
2 STOPS
FLG
Flagstaff Pulliam
FLG
Flagstaff Pulliam
United Airlines
   
2 STOPS
STL
Lambert-St Louis

Lambert-St Louis to Flagstaff 2022 flight deals

Cheap flights to Flagstaff from St. Louis found for this year
26 Apr - 30 Apr
$311pp
STL
Lambert-St Louis
American Airlines
 
1 STOP
FLG
Flagstaff Pulliam
FLG
Flagstaff Pulliam
American Airlines
 
1 STOP
STL
Lambert-St Louis
2 Feb - 9 Feb
$316pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
FLG
Flagstaff Pulliam
FLG
Flagstaff Pulliam
United Airlines
 
1 STOP
STL
Lambert-St Louis
27 Apr - 30 Apr
$320pp
STL
Lambert-St Louis
American Airlines
   
2 STOPS
FLG
Flagstaff Pulliam
FLG
Flagstaff Pulliam
American Airlines
 
1 STOP
STL
Lambert-St Louis

Last minute flights from St. Louis to Flagstaff

Late deals on round-trip flights to Flagstaff from St. Louis, departing today and this week
28 Jan - 30 Jan
$404pp
STL
Lambert-St Louis
United Airlines
   
2 STOPS
FLG
Flagstaff Pulliam
FLG
Flagstaff Pulliam
United Airlines
 
1 STOP
STL
Lambert-St Louis
28 Jan - 30 Jan
$413pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
FLG
Flagstaff Pulliam
FLG
Flagstaff Pulliam
United Airlines
 
1 STOP
STL
Lambert-St Louis
28 Jan - 30 Jan
$428pp
STL
Lambert-St Louis
United Airlines
   
2 STOPS
FLG
Flagstaff Pulliam
FLG
Flagstaff Pulliam
United Airlines
   
2 STOPS
STL
Lambert-St Louis

One-way flights to Flagstaff Pulliam from St. Louis

The cheapest one-way flights from St. Louis to Flagstaff
9:27 am - 3:40 pm
United Airlines
2 Stops
32h 13m
STL - FLG
United Airlines
$359
United
3:45 pm - 7:37 am
American Airlines
2 Stops
41h 52m
STL - FLG
American Airlines
$413
3:30 pm - 6:45 pm
Multiple Airlines
3 Stops
52h 15m
STL - FLG
Multiple Airlines
$654
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St. Louis</span> to <span class="emphasized">Flagstaff</span> flights.

Flight FAQs

From St. Louis to Flagstaff

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 $400 on Cheapflights?

Yes, there are multiple flights from St. Louis to Flagstaff for under $400. The cheapest flight booked recently is on American Airlines for just $311, but on average you can expect to pay $361.

Are there last-minute flights available from St. Louis to Flagstaff for under $500?

There are currently 4+ open flights from St. Louis to Flagstaff within the next 7 days for less than $500.

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

Our cheapest airline available from St. Louis to Flagstaff is American Airlines. Our recent data shows that you can find tickets from as low as $311 on this airline. An additional option worth looking into is United Airlines, starting at $316. Users have found that American Airlines is 19% cheaper than the other options available to this destination.

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

Looking at all options, your cheapest flight can be booked for $203. While the most popular route (Lambert-St Louis - Flagstaff Pulliam) can be booked for $390 on average our data indicates $295 when flying from St. Louis to Flagstaff.

Related searches

Flights to Flagstaff (FLG) from St. Louis (STL)
Flights to St. Louis Flights to Flagstaff Flights from Flagstaff

Other flights from St. Louis

St. Louis to Tampa St. Louis to Orlando St. Louis to Phoenix St. Louis to Fort Lauderdale St. Louis to Fort Myers

Other flights to Flagstaff

Denver to Flagstaff Los Angeles to Flagstaff Atlanta to Flagstaff Washington to Flagstaff New York to Flagstaff

Rent a Car

Car Rentals in Flagstaff Car Rentals in Arizona

COVID Restrictions

View COVID Travel Restrictions for Flagstaff, AZ

Do I need a COVID test to fly to Flagstaff from St. Louis?

Information is based on travel restrictions for travel to Flagstaff Pulliam within the United States

Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter Flagstaff Pulliam.

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Flagstaff Pulliam.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Flagstaff Pulliam.

Do I need a test to fly back to St. Louis from Flagstaff?

Returning to Lambert-St Louis from Flagstaff Pulliam

COVID-19 testing requirements
Visitors from Flagstaff Pulliam must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Flagstaff Pulliam are not required to quarantine after entering Lambert-St Louis.

Hide COVID Travel Restrictions for Flagstaff, AZ

Alternative routes for St. Louis to Flagstaff

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Flagstaff Pulliam from $331 pp
Springfield Springfield-Branson to Flagstaff Pulliam from $602 pp

Destination information for Flagstaff

Things to know before you go - useful duration and weather info for your trip from St. Louis to Flagstaff.
Average temperature for January in Flagstaff
50.0 °F
Avg rainfall for January in Flagstaff
0.3 ″

Airports servicing St. Louis

St. Louis (STL)

Airports servicing Flagstaff

Flagstaff (FLG)

Popular flight searches

Check out other popular destinations found by fellow travelers in 2022.
Home North America USA Arizona Flagstaff Cheap flights from St. Louis to Flagstaff