Cheap Flights to Lewis and Clark County from $140 (2026/2027)

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A cityscape at dusk with illuminated buildings and a prominent cathedral with two spires. Snow-covered mountains are visible in the background.

Helena

Flights
Helena

How Much Does it Cost To Fly To Lewis and Clark County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Wed, Nov 4 - Wed, Nov 11
SEA
Seattle - Tacoma Intl.
HLN
Helena Regional
$215 Roundtrip, found 3 days ago
$215
Roundtrip
found 3 days ago
Select Bargain Flight flight, departing Wed, Nov 4 from Seattle - Tacoma Intl. to Helena Regional, returning Wed, Nov 11, priced at $215 found 3 days ago
Thu, Nov 5 - Sat, Nov 7
DEN
Denver Intl.
HLN
Helena Regional
$279 Roundtrip, found 18 hours ago
$279
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Nov 5 from Denver Intl. to Helena Regional, returning Sat, Nov 7, priced at $279 found 18 hours ago
Tue, Oct 6 - Sat, Oct 10
AUS
Austin-Bergstrom Intl.
HLN
Helena Regional
$344 Roundtrip, found 1 day ago
$344
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 6 from Austin-Bergstrom Intl. to Helena Regional, returning Sat, Oct 10, priced at $344 found 1 day ago
Thu, Nov 12 - Sun, Nov 15
PHL
Philadelphia Intl.
HLN
Helena Regional
$359 Roundtrip, found 3 days ago
$359
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Nov 12 from Philadelphia Intl. to Helena Regional, returning Sun, Nov 15, priced at $359 found 3 days ago
Thu, Jan 21 - Mon, Jan 25
BWI
Baltimore Washington Intl. Thurgood Marshall
HLN
Helena Regional
$359 Roundtrip, found 2 days ago
$359
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Jan 21 from Baltimore Washington Intl. Thurgood Marshall to Helena Regional, returning Mon, Jan 25, priced at $359 found 2 days ago
Mon, Nov 9 - Tue, Nov 17
SFO
San Francisco Intl.
HLN
Helena Regional
$363 Roundtrip, found 4 days ago
$363
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Nov 9 from San Francisco Intl. to Helena Regional, returning Tue, Nov 17, priced at $363 found 4 days ago
Sat, Nov 7 - Sat, Nov 14
SMF
Sacramento Intl.
HLN
Helena Regional
$363 Roundtrip, found 3 days ago
$363
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Nov 7 from Sacramento Intl. to Helena Regional, returning Sat, Nov 14, priced at $363 found 3 days ago
Tue, Oct 13 - Wed, Oct 21
ATL
Hartsfield-Jackson Atlanta Intl.
HLN
Helena Regional
$364 Roundtrip, found 6 days ago
$364
Roundtrip
found 6 days ago
Select United flight, departing Tue, Oct 13 from Hartsfield-Jackson Atlanta Intl. to Helena Regional, returning Wed, Oct 21, priced at $364 found 6 days ago
OriginDestinationTravel DatesFlights From*
SEAHelenaNovember 4 to November 11$215
DENHelenaNovember 5 to November 7$279
DFWHelenaSeptember 25 to October 3$339
ORDHelenaSeptember 26 to October 2$344
ATLHelenaOctober 13 to October 21$364
FATHelenaOctober 11 to October 17$366
IAHHelenaNovember 19 to December 12$414
SNAHelenaNovember 14 to November 15$478
LAXHelenaOctober 15 to October 21$479
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
DENHelenaAugust 29 to August 30$323
SEAHelenaAugust 28 to August 31$422
DFWHelenaAugust 30 to August 31$479
LAXHelenaAugust 28 to August 30$983
*Prices include taxes and fees

Best Lewis and Clark County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Rodeway Inn Helena
2.0-star property

Rodeway Inn Helena

Nov 8 - Nov 11

3 night stay

Atlanta (ATL) to Helena (HLN)

Alaska Airlines • Non-stop roundtrip • Coach
Price was $502, price is now $479 per person
$479
per person
found 22 hours ago
Americas Best Value Inn & Suites Helena
2.0-star property

Americas Best Value Inn & Suites Helena

Nov 8 - Nov 11

3 night stay

Atlanta (ATL) to Helena (HLN)

Alaska Airlines • Non-stop roundtrip • Coach
Price was $572, price is now $529 per person
$529
per person
found 22 hours ago
Baymont by Wyndham Helena
2.5-star property

Baymont by Wyndham Helena

Nov 8 - Nov 11

3 night stay

Atlanta (ATL) to Helena (HLN)

Alaska Airlines • Non-stop roundtrip • Coach
Price was $522, price is now $489 per person
$489
per person
found 22 hours ago
Don't see what you're looking for?
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Travelers ❤️ These Lewis and Clark County 🏨

La Quinta Inn & Suites by Wyndham Helena

La Quinta Inn & Suites by Wyndham Helena

3 out of 5
701 Washington St Helena MT
Book a stay at this business-friendly hotel in Helena. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions Montana Historical Society Museum and Cathedral of St. Helena are located nearby.
7.4/10 Good! (1,027 reviews)
"It’s a ok property room was clean washroom need improvements."

Reviewed on Aug 20, 2026

Opens in a new windowLa Quinta Inn & Suites by Wyndham Helena
HELENA INN AIRPORT

HELENA INN AIRPORT

2.5 out of 5
2300 N. Oakes Helena MT
Book a stay at this business-friendly hotel in Helena. Enjoy free WiFi, free parking, and a 24-hour front desk. Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Last Chance Tennis Center and Bill Roberts Golf Course are located nearby.
6.4/10 (1,012 reviews)
"There was supposed to be continental breakfast included.....there was nothing! No coffee, nothing!"

Reviewed on Aug 19, 2026

Opens in a new windowHELENA INN AIRPORT
Days Inn by Wyndham Helena

Days Inn by Wyndham Helena

2 out of 5
2001 Prospect Ave Helena MT
Book a stay at this business-friendly hotel in Helena. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions Montana Historical Society Museum and Cathedral of St. Helena are located nearby.
Opens in a new windowDays Inn by Wyndham Helena
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Super 8 by Wyndham Helena

Super 8 by Wyndham Helena

2 out of 5
2200 11th Ave Helena MT
Book a stay at this business-friendly motel in Helena. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the helpful staff and the clean rooms in our reviews. Popular attractions Montana Historical Society Museum and Cathedral of St. Helena are located nearby.
5.4/10 (1,002 reviews)
"Friendly staff & the breakfast was much better than traditional continental options. The place is a little worn down but that’s to be expected from an older hotel. I’d stay again."

Reviewed on Aug 20, 2026

Opens in a new windowSuper 8 by Wyndham Helena
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

How much is the cheapest flight to Lewis and Clark County?
For an idea of fares, the cheapest roundtrip flight to Lewis and Clark County cost $215 within the last seven days. An easy way to score a good deal is to be flexible with your dates. This price was available on Travelocity for flights to Lewis and Clark County departing within the next year. Prices and availability are subject to change. Additional terms apply.
Which airlines fly to Lewis and Clark County?
There are 14 airline companies with flights to Lewis and Clark County. If you're thinking about a vacation in Helena, choose Delta Air Lines. This reputable carrier operates 60 services per month to Lewis and Clark County's major city.
What is the cheapest month to fly to Lewis and Clark County?
Based on Travelocity's direct return flight demand between January and December last year, November is the cheapest period to jet off to Lewis and Clark County. Keep your eyes peeled for flights throughout this month and bag yourself a terrific bargain today.
How can I check my flight status to Lewis and Clark County?
Take advantage of the Travelocity portal, Trips. You'll find all things related to your flight to Lewis and Clark County here, including helpful alerts about flight delays, gate changes and more. Trips is found at the top of the Travelocity homepage. Simply create your free account and find the answers you need. Alternatively, you can access your itinerary while you're on the move and get real-time itinerary updates through the Travelocity app. All your itineraries are in one convenient place, so you can quickly share details with any members of your family flying with you.
How do I find the best deals on flights to Lewis and Clark County?
Try these tricks — book early, avoid vacation periods and be flexible with your dates. If you don't have a specific date in mind, search for your flight to Lewis and Clark County on Travelocity and click on "Flexible dates" above your results. This will help you locate any cheaper fares on a nearby day. $215 was the most affordable price for a return flight to Lewis and Clark County in the last seven days. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to Lewis and Clark County with Travelocity?
An amazing vacation is at the click of a button when you organize your trip with Travelocity. With a wide selection of choices and competitive deals on cheap family flights, accommodations and more, we make it easy to discover the best prices for you. You can also try out our round-the-clock online chat and free cancellation policies on most hotels throughout your trip. Wander wisely with us and bag your cheap flights to Lewis and Clark County today.
What are the most popular flight routes to Lewis and Clark County?
If you're planning to hop on a flight to Lewis and Clark County, here are some leading routes to think about:

  • Salt Lake City, UT (SLC-Salt Lake City Intl.) to Helena Regional Airport (HLN) - 424 flights a month.
  • Denver, CO (DEN-Denver Intl.) to Helena Regional Airport (HLN) - 299 flights a month.
  • Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena Regional Airport (HLN) - 212 flights a month.

How much is a flight to Lewis and Clark County on average?
Travelers were picking up roundtrip flights to Lewis and Clark County for between $215 and $983 with Travelocity in the last seven days. Whether you want to fly economy or first class, we'll help you find an awesome deal. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
How long is the average flight to Lewis and Clark County?
The length of your direct flight to Lewis and Clark County is typically dependent on your departure point. For some idea of what to expect, here are the average flight times for some favorite routes to Lewis and Clark County:

  • Salt Lake City, UT (SLC-Salt Lake City Intl.) to Helena Regional Airport (HLN) - 1 hour and 26 minutes
  • Denver, CO (DEN-Denver Intl.) to Helena Regional Airport (HLN) - 2 hours and 1 minute
  • Seattle, WA (SEA-Seattle - Tacoma Intl.) to Helena Regional Airport (HLN) - 1 hour and 50 minutes

What can I expect on a flight to Lewis and Clark County?
This mostly depends on where you're taking off from and which airline you go with. You're likely to find all sorts of flights to Lewis and Clark County, from business fares to cheap flights for family vacations. For long-haul flights, airlines will typically offer passengers hot meals and entertainment as well as games for the kids.