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Did you mean flights from St Louis to Helena?

Flights from Helena to St Louis, United States Last modified: Sep 25, 2016 1:26 AM

Helena to St Louis Last modified: Sep 25, 2016 1:26 AM

We've scanned 23,629,223,180 round trip itineraries and found the cheapest flights from Helena to St Louis. United & Alaska frequently offer the best deals on Helena to St Louis flights, or select your preferred carrier below to see the cheapest days to fly.

United
HLNSTL
Wed 10/5
1 stop
STLHLN
Mon 10/10
1 stop
$632
Select
United
HLNSTL
Fri 10/7
1 stop
STLHLN
Mon 10/10
1 stop
$632
Select
Alaska
HLNSTL
Thu 10/6
1 stop
STLHLN
Mon 10/10
1 stop
$672
Select
Alaska
HLNSTL
Fri 10/7
1 stop
STLHLN
Mon 10/10
1 stop
$672
Select

How Much is a Flight from Helena to St Louis?

We have collected flight cost data from across the web for travel from Helena to St Louis, and have found the average flight price for this trip to be $646.

Where To Buy Cheap Flights from Helena to St Louis?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we thinking FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from Helena to St Louis based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from Helena to St Louis?

The chart below shows up-to-date information regarding how far in advance to book your flight from Helena to St Louis.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $0 $0
7-14 days $0 $632
14-21 days $0 $0
21-30 days $0 $0
30-60 days $0 $0
60-90 days $0 $0
90+ days $0 $0

Cheapest Day To Fly from Helena to St Louis

We've examined 23,636,053,052 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Helena to St Louis is Wednesday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$632 $672 $632

Compare Flight Prices from Helena to St Louis by Month

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for Helena to St Louis flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
October Helena St Louis United 10/5/16 10/10/16 1 $632

Cheap Last Minute Flights from Helena to St Louis

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Helena to St Louis. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
2 3 4 5 6 7 8
$632
9 10 11 12 13 14 15
$632

Connecting Flights vs Direct Flights from Helena to St Louis

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Helena to St Louis is $382.

The average price for direct flights from Helena to St Louis is not available.

One Way Flights vs Round Trip Flights from Helena to St Louis

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Helena to St Louis. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Helena to St Louis is not available.

The average price for round trip flights from Helena to St Louis is $382.

Helena to St Louis Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Helena to St Louis?
Answer: Denver, CO

Airlines in Helena flying to St Louis Last modified: Sep 25, 2016 1:26 AMNumber of routes searched: 20Number of itineraries searched: 691

Wondering which airlines fly out of Helena to St Louis? We've gathered the average price of Helena airlines with flights to St Louis. Different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary showing which days of the week individual carriers offer flights for the next 30 days.

Helena to St Louis
Airline Connections Mon Tue Wed Thu Fri Sat Sun
United DEN
Alaska SEA
Alaska SEA / LAX
Delta MSP / CVG
United DEN / IAD
United DEN / IAH
United DEN / ORD
Delta MSP
Delta SLC
Delta MSP / ATL
Delta MSP / DTW
United DEN / EWR

Helena to St Louis Airports

These are the major commercial airports we're currently monitoring in Helena and St Louis. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap Domestic Flights from Helena - HLN

FlightsAirlineLowest Price
Flights from Helena to Las Vegas Alaska, Delta, United $232
Flights from Helena to Seattle Alaska, Delta $291

Cheap Domestic Flights to St Louis - STL

FlightsAirlineLowest Price
Flights from Kalispell to Chicago American, Delta, United $391
Flights from Great Falls to Dallas - Ft Worth Alaska, Delta, United $350
Flights from Kalispell to Denver Alaska, Delta, United $278
Flights from Great Falls to New York Alaska, Delta, United $440
Flights from Billings to Orlando Alaska, Delta, United $363
Flights from Missoula to New York Alaska, Delta, United $382
Flights from Great Falls to Orlando Delta, United $422
Flights from Kalispell to Phoenix American, Alaska, Delta, United $232
Flights from Kalispell to Houston American, Alaska, Delta, United $423
Flights from Great Falls to Seattle Alaska $259
Flights from Missoula to Los Angeles Alaska, Delta $232
Flights from Kalispell to Salt Lake City Delta Check Dates
Flights from Great Falls to Honolulu Alaska, Delta $641
Flights from Phoenix to St Louis American, Alaska, Delta, Frontier, United $134
Flights from Seattle to St Louis American, Alaska, Delta, Frontier, United $237
Flights from Denver to St Louis Delta, Frontier, United $87
Flights from Houston to St Louis American, Delta, United $301
Flights from Washington to St Louis American, Alaska, Delta, United $203
Flights from San Francisco to St Louis American, Alaska, Delta, Frontier, United $264
Flights from Charlotte to St Louis American, Alaska, Delta, United $283
Flights from Boston to St Louis American, Delta, United $316
Flights from Baltimore to St Louis American, Delta $301
Flights from Minneapolis - St Paul to St Louis Delta Check Dates
Flights from Philadelphia to St Louis American, Alaska, Delta, United $295
Flights from Detroit to St Louis American, Delta $256
Flights from Orlando to St Louis American, Delta, Frontier, United $156
Flights from Newark to St Louis American, Delta, United $251

Cheap International Flights to St Louis - STL

FlightsAirlineLowest Price
Flights from London to St Louis American, Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Cathay, Delta, Aer Lingus, Iberia, KLM, Lufthansa, Austrian, Royal Jordanian, SAS, Brussels, United, Virgin Atlantic $724
Cheap Flights from Helena to St Louis