Cheap Flights from Helena (HLN) to St. Louis (STL)

Popular airlines from Helena, MT (HLN-Helena Regional) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Helena to St. Louis (HLN-STL)

Prices were available within the past 7 days and start at for one-way flights and ￥55,780 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Dec 8 - Sat, Dec 13
HLN
Helena
STL
St. Louis
￥55,780 Roundtrip, found 1 day ago
￥55,780
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Dec 8 from Helena to St. Louis, returning Sat, Dec 13, priced at ￥55,780 found 1 day ago
United
Mon, Dec 8 - Sat, Dec 13
HLN
Helena
STL
St. Louis
￥68,030 Roundtrip, found 1 day ago
￥68,030
Roundtrip
found 1 day ago
Select United flight, departing Mon, Dec 8 from Helena to St. Louis, returning Sat, Dec 13, priced at ￥68,030 found 1 day ago
Delta
Mon, Dec 8 - Sat, Dec 13
HLN
Helena
STL
St. Louis
￥68,350 Roundtrip, found 1 day ago
￥68,350
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Dec 8 from Helena to St. Louis, returning Sat, Dec 13, priced at ￥68,350 found 1 day ago
Delta
Mon, Dec 8 - Sat, Dec 13
HLN
Helena
STL
St. Louis
￥80,720 Roundtrip, found 1 day ago
￥80,720
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Dec 8 from Helena to St. Louis, returning Sat, Dec 13, priced at ￥80,720 found 1 day ago
United
Mon, Dec 8 - Sat, Dec 13
HLN
Helena
STL
St. Louis
￥84,480 Roundtrip, found 1 day ago
￥84,480
Roundtrip
found 1 day ago
Select United flight, departing Mon, Dec 8 from Helena to St. Louis, returning Sat, Dec 13, priced at ￥84,480 found 1 day ago
Delta
Mon, Dec 8 - Sat, Dec 13
HLN
Helena
STL
St. Louis
￥92,000 Roundtrip, found 1 day ago
￥92,000
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Dec 8 from Helena to St. Louis, returning Sat, Dec 13, priced at ￥92,000 found 1 day ago
Delta
Mon, Dec 8 - Sat, Dec 13
HLN
Helena
STL
St. Louis
￥122,320 Roundtrip, found 1 day ago
￥122,320
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Dec 8 from Helena to St. Louis, returning Sat, Dec 13, priced at ￥122,320 found 1 day ago

Frequently asked questions

How much is a flight from HLN to Lambert Field?
If you're planning on traveling between Helena Regional Airport and STL, round-trip journeys start from ￥55,780. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don't hang about. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Helena Regional Airport (HLN) to St. Louis Lambert International Airport?
Each airline has its own terms and conditions. If you decide to cancel your vacation, head to our Customer Service Portal.
How do I find cheap flights from Helena Regional Airport to Lambert Field that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Helena Regional Airport to STL flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from HLN to Lambert-St. Louis Intl. Airport (STL)?
Consider bringing your own in-flight entertainment, as it takes approximately 4 hours and 36 minutes to reach STL from Helena Regional Airport. A pair of noise-canceling headphones will also be useful.
How far is the flight from Helena Regional Airport to Lambert Field?
You'll be cruising at altitude for a while, as the flight distance from HLN to Lambert Field is 1,950 kilometers. Set up a playlist of your favorite tunes before you leave home to stay entertained during your journey.
Which airlines fly direct from Helena Regional Airport to Lambert-St. Louis Intl. Airport (STL)?
Direct flights aren't available, so you'll have to make at least one stop between Helena Regional Airport (HLN) and Lambert Field. Use the layover time to stretch your legs and grab a coffee.
Are Helena Regional Airport (HLN) to STL flight tickets cheaper when they're purchased at the last minute?
Flight prices always go up and down, so there are no guarantees. While last-minute flight deals between Helena Regional Airport and Lambert-St. Louis Intl. Airport (STL) are possible, it's also a good idea to keep track of prices well before you fly. In fact, some air carriers release their prices up to 12 months ahead of the departure date. Expedia is constantly updating the biggest bargains around, so check back often and be ready to book when the price is low.

Travel information

Origin airport
Helena Regional
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Delta, United
Roundtrip price
￥55,780
Distance
1952 km

Book with confidence

Helena to St. Louis Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Helena to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring St. Louis.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with HLN to STL flights that won’t make your bank account wince. Ready to temporarily leave behind Helena for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to STL with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Helena to St. Louis Flights

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