Cheap Flights to Lewis and Clark County from $134 (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.

Sat, Jan 30 - Sat, Feb 6
SEA
Seattle - Tacoma Intl.
HLN
Helena Regional
$206 Roundtrip, found 3 days ago
$206
Roundtrip
found 3 days ago
Select Bargain Flight flight, departing Sat, Jan 30 from Seattle - Tacoma Intl. to Helena Regional, returning Sat, Feb 6, priced at $206 found 3 days ago
Sat, Nov 7 - Sat, Nov 14
SAN
San Diego Intl.
HLN
Helena Regional
$319 Roundtrip, found 3 days ago
$319
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Nov 7 from San Diego Intl. to Helena Regional, returning Sat, Nov 14, priced at $319 found 3 days ago
Thu, Jan 14 - Mon, Jan 18
DEN
Denver Intl.
HLN
Helena Regional
$319 Roundtrip, found 21 hours ago
$319
Roundtrip
found 21 hours ago
Select United flight, departing Thu, Jan 14 from Denver Intl. to Helena Regional, returning Mon, Jan 18, priced at $319 found 21 hours ago
Sat, Nov 7 - Sat, Nov 14
SJC
Norman Y. Mineta San Jose Intl.
HLN
Helena Regional
$339 Roundtrip, found 3 days ago
$339
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Nov 7 from Norman Y. Mineta San Jose Intl. to Helena Regional, returning Sat, Nov 14, priced at $339 found 3 days ago
Wed, Feb 3 - Mon, Feb 8
SMF
Sacramento Intl.
HLN
Helena Regional
$348 Roundtrip, found 1 day ago
$348
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Feb 3 from Sacramento Intl. to Helena Regional, returning Mon, Feb 8, priced at $348 found 1 day ago
Sat, Nov 7 - Tue, Nov 10
MSP
Minneapolis - St. Paul Intl.
HLN
Helena Regional
$355 Roundtrip, found 21 hours ago
$355
Roundtrip
found 21 hours ago
Select United flight, departing Sat, Nov 7 from Minneapolis - St. Paul Intl. to Helena Regional, returning Tue, Nov 10, priced at $355 found 21 hours ago
Sat, Oct 31 - Sat, Nov 7
SFO
San Francisco Intl.
HLN
Helena Regional
$361 Roundtrip, found 3 days ago
$361
Roundtrip
found 3 days ago
Select Bargain Flight flight, departing Sat, Oct 31 from San Francisco Intl. to Helena Regional, returning Sat, Nov 7, priced at $361 found 3 days ago
Wed, Dec 2 - Sun, Dec 6
AUS
Austin-Bergstrom Intl.
HLN
Helena Regional
$365 Roundtrip, found 1 hour ago
$365
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Dec 2 from Austin-Bergstrom Intl. to Helena Regional, returning Sun, Dec 6, priced at $365 found 1 hour ago
OriginDestinationTravel DatesFlights From*
SEAHelenaNovember 4 to November 11$207
DENHelenaJanuary 14 to January 18$319
ORDHelenaNovember 7 to November 8$365
DFWHelenaNovember 6 to November 8$365
LAXHelenaNovember 5 to November 17$415
SNAHelenaDecember 29 to January 5$429
FATHelenaJanuary 19 to January 26$480
ATLHelenaNovember 13 to November 21$518
IAHHelenaNovember 18 to November 30$660
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLHelenaOctober 16 to October 19$674
ORDHelenaOctober 16 to October 21$727
DENHelenaOctober 18 to October 21$787
*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.
Americas Best Value Inn & Suites Helena
2.0-star property

Americas Best Value Inn & Suites Helena

Nov 13 - Nov 15

2 night stay

Boise (BOI) to Helena (HLN)

Alaska Airlines • Non-stop • Coach

Helena (HLN) to Boise (BOI)

Delta • Non-stop • Coach
Price was $520, price is now $509 per person
$509
per person
found 23 hours ago
Super 8 by Wyndham Helena
2.0-star property

Super 8 by Wyndham Helena

Nov 13 - Nov 15

2 night stay

Boise (BOI) to Helena (HLN)

Alaska Airlines • Non-stop • Coach

Helena (HLN) to Boise (BOI)

Delta • Non-stop • Coach
Price was $522, price is now $513 per person
$513
per person
found 23 hours ago
Don't see what you're looking for?
See all available trips from Boise to Lewis and Clark County
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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.
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.
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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Baymont by Wyndham Helena

Baymont by Wyndham Helena

2.5 out of 5
750 N Fee St Helena MT
Book a stay at this business-friendly hotel in Helena. Enjoy free breakfast, free parking, and a fitness center. 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! (1,526 reviews)
"The bed was very comfortable and the room was clean other than the chair looking very dirty and stained. It was comfortable for one night after camping for the past three nights."

Reviewed on Oct 5, 2026

Opens in a new windowBaymont 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 $206 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 13 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, January 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. $206 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 $206 and $787 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.