$135 Cheap flights to Lewis and Clark County

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Top places to visit in Lewis and Clark County

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

Helena
A wooden barn with a fenced area in a dry grass field, with snow-capped mountains in the background.
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Augusta

Augusta

Cheap flights to Lewis and Clark County from $135 One Way, $222 Round Trip

$222 return flights and $135 one-way flights to Lewis and Clark County were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 12 - Wed, Nov 18
SEA
Seattle
HLN
Helena
$222 Roundtrip, found 6 days ago
$222
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, Nov 12 from Seattle to Helena, returning Wed, Nov 18, priced at $222 found 6 days ago
Sat, Oct 24 - Sat, Oct 31
SJC
San Jose
HLN
Helena
$364 Roundtrip, found 5 days ago
$364
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Oct 24 from San Jose to Helena, returning Sat, Oct 31, priced at $364 found 5 days ago
Sat, Oct 31 - Sat, Nov 7
SFO
San Francisco
HLN
Helena
$378 Roundtrip, found 13 hours ago
$378
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Sat, Oct 31 from San Francisco to Helena, returning Sat, Nov 7, priced at $378 found 13 hours ago
Sat, Nov 7 - Sat, Nov 14
PHL
Philadelphia
HLN
Helena
$379 Roundtrip, found 2 days ago
$379
Roundtrip
found 2 days ago
Select Bargain Flight flight, departing Sat, Nov 7 from Philadelphia to Helena, returning Sat, Nov 14, priced at $379 found 2 days ago
Sat, Sep 26 - Sat, Oct 3
AUS
Austin
HLN
Helena
$394 Roundtrip, found 6 days ago
$394
Roundtrip
found 6 days ago
Select United flight, departing Sat, Sep 26 from Austin to Helena, returning Sat, Oct 3, priced at $394 found 6 days ago
Sat, Oct 3 - Mon, Oct 5
ATL
Atlanta
HLN
Helena
$414 Roundtrip, found 1 day ago
$414
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Oct 3 from Atlanta to Helena, returning Mon, Oct 5, priced at $414 found 1 day ago

Deals For This Weekend's Flights

OriginDestinationTravel DatesFlights From*
SEAHelenaSeptember 20 to September 25$591
DENHelenaSeptember 18 to September 21$782
SNAHelenaSeptember 18 to September 20$1,070
*Prices include taxes and fees

Find The Perfect Hotel For After Your Flight

Score Epic Lewis and Clark County Accommodation Deals

La Quinta Inn & Suites by Wyndham Helena

La Quinta Inn & Suites by Wyndham Helena

3 out of 5
701 Washington St Helena MT
Fully refundableReserve now, pay when you stay
$92 nightly
The price is $103 total per night from Oct 4 to Oct 5
$103 total
Oct 4 - Oct 5
Total with taxes and fees
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 ...
7.4/10 Good! (1,056 reviews)
"Terrible internet. Unusable."

Reviewed on Sep 14, 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
Fully refundable
$72 nightly
The price is $82 total per night from Sep 21 to Sep 22
$82 total
Sep 21 - Sep 22
Total with taxes and fees
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 ...
6.4/10 (1,007 reviews)
"Linens were stained and there was a smell in our room. There was also mold spots on the ceiling. The bed was otherwise comfortable and hotel was in a convenient location"

Reviewed on Sep 14, 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
Fully refundableReserve now, pay when you stay
$127 nightly
The price is $142 total per night from Sep 27 to Sep 28
$142 total
Sep 27 - Sep 28
Total with taxes and fees
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 ...
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
Fully refundableReserve now, pay when you stay
$83 nightly
The price is $94 total per night from Oct 4 to Oct 5
$94 total
Oct 4 - Oct 5
Total with taxes and fees
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 ...
7.6/10 Good! (1,561 reviews)
"It was OK"

Reviewed on Sep 15, 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.

Need a Car For After Your Flight?

Economy

Chevrolet Spark
  • 4 people
Chevrolet Spark
Economy Chevrolet Spark

Compact

Ford Focus
  • 4 people
Ford Focus
Compact Ford Focus

Midsize

Toyota Corolla
  • 5 people
Toyota Corolla
Midsize Toyota Corolla

SUV

Jeep Compass
  • 5 people
Jeep Compass
SUV Jeep Compass

Lewis and Clark County

Orbitz uses cutting edge mobile technology to help get you the best deals on Lewis and Clark County flights. We offer guaranteed low prices on air tickets that can be combined with hotels and car rentals to save you even more money.

Find Cheap Lewis and Clark County Flights And Hotel Rooms Using Our Mobile App

Orbitz not only guarantees low prices for flights to Lewis and Clark County, we also offer Mobile Steals on our Orbitz on the Go mobile app where you can find great mobile-only deals on hotel rooms in the area.

Use the Orbitz Flight Matrix To Save Big On Car Rental

Discount flights to Lewis and Clark County can be combined with car rental to get you additional savings. Just use our Flight Matrix to see how your budget air ticket can be combined with a car rental to make your trip not only inexpensive but also more convenient.

Use Multiple Airlines To Ensure You Get The Best Deal

Orbitz allows you to use multiple airlines for flights to Lewis and Clark County. By using a combination of airlines for discount flights you are guaranteed to get the lowest fares each way and get the schedule that is most convenient for you.

Store Your Frequent Flyer Information on Orbitz For Easy Access

Booking with Orbitz will still allow you to apply miles for flights to Lewis and Clark County to your frequent flyer program. Not only that, but your frequent flyer information will be safely stored on our website, so it will be easy to access the next time you book a discount air ticket with Orbitz.

Frequently asked questions

Which airlines fly to Lewis and Clark County?
With 11 airlines traveling to Helena Regional Airport (HLN), you'll be making your way around Lewis and Clark County before you know it. Finding a flight that suits your travel plans is easy as pie. Take a peek at the fares from these leading carriers and enjoy a smooth landing at Helena Regional Airport (HLN):

  • Delta - 35 flights to Lewis and Clark County per month
  • United Airlines - 17 flights to Lewis and Clark County per month
  • Alaska Airlines - 16 flights to Lewis and Clark County per month

How much is a flight to Lewis and Clark County?
If you're looking for a return flight, airfares fluctuated between $222 and $1,070 this past week. The cheapest price to travel one-way was $135, coming from Seattle (SEA).
How to book the cheapest flight to Lewis and Clark County?
With some of the biggest and best flight deals around, you'll always bag a bargain with Orbitz. The following hints and tips will help you pick up cheap flights to Lewis and Clark County — and leave you with extra cash in your wallet:

  • Consider nearby airports to increase your savings. Enter your preferred departure and arrival airports in the form fields, then click on the 'Nearby airports' function below. It will list the available options.
  • Similarly, click on the 'Show flexible dates' option and you'll see the fares on days around your chosen departure. You may be able to pick up cheaper flight deals if your dates are flexible.
  • To fine tune your results, click on 'Show options.' You can search based on seating class, airlines, and nonstop and refundable flights. You can also choose the time of day you'd like to fly under 'Sort & Filter' to the left.
  • The early bird gets the biggest savings, so purchase your seats once you've settled on your travel dates. The most affordable airfares sell fast and prices generally climb as the departure date nears.
  • Consider combining your hotels, flights and car rental into a package with Orbitz to make your budget go even further.
  • Flying during the busy season often means pricey airfares. If possible, plan your vacation outside of popular dates, such as Easter, Thanksgiving and school breaks.

What is the best time to book a flight to Lewis and Clark County?
Book in January, February or August for unbeatable fares to Lewis and Clark County. Once you've found a bargain, buy it — cheap flights will appear and vanish in the blink of an eye.
What day of the week is the cheapest to book a flight to Lewis and Clark County?
If you're after cheap airfares to Lewis and Clark County, the best days of the week to make a booking are Tuesdays, Wednesdays and Saturdays. With Orbitz (and a bit of good timing!), a superb flight deal will be all yours.
What is the cheapest day of the week to fly to Lewis and Clark County?
Everyone enjoys a good deal, so we recommend flying out early in the week for cheap flights to Lewis and Clark County. Orbitz data from 2020 shows you can snap up the best deals on flights that take off on Mondays. Tuesday is the next cheapest day, while Saturdays are the most expensive. Many passengers like to start their vacation when the working week is over, so leave those Saturdays for binge-watching your favorite TV shows.
What is the cheapest month to fly to Lewis and Clark County?
You can jet for less in August. This is generally an excellent month to get on a plane if you're after cheap flights to Lewis and Clark County, according to Orbitz data. The costliest time to fly is June, so try to avoid this month if you're on a budget.
Which airlines allow free cancellation?
When searching for your Lewis and Clark County flights on Orbitz, select "Filter by flexible change policies." This filter will show you all the carriers offering free cancellation within 24 hours of booking and no change fees. Relax knowing that if things unexpectedly change, your reservation can too.
What do I need for the flight to Lewis and Clark County?
Whether you're familiar with flying or you're new to the skies, you can never be too organized when traveling. Here are several tips and things to bear in mind:

  • Check that you've packed your travel paperwork and identification. For overseas journeys, you'll need to take your passport. When booking your tickets, always use the same name, gender and birth date as indicated on your current ID.
  • A well-packed carry-on bag is the key to a great flight experience. Given your flight to Lewis and Clark County is no quick hop, take enough snacks and activities to keep you happy. A book, magazine or e-reader will help pass the time.
  • Plane cabins are often quite cold. If you decide to fly during the height of summer, be sure to take some extra layers of clothing just in case.

How do I get cheap first-class/business deals to Lewis and Clark County?
Experienced travelers have honed the art of finding first or business-class fares to Lewis and Clark County without the eye-watering price tag. Follow their example with these useful hints:

  • Be flexible with your travel dates and hold out for sales on first or business-class airfares.
  • Many low-cost airlines have quality business-class seating that doesn't cost a bundle.
  • Take advantage of your airline's customer loyalty program and upgrade your seat. Alternatively, you can try bidding for an upgrade in an online auction if available.

What is the best time to go to Lewis and Clark County?
People come from every direction to go to Lewis and Clark County in March, May and July. So if you'd love to experience this fantastic destination in the peak season, this is the best time to go. Like many places in the Northern Hemisphere, summer commences June 20 in Lewis and Clark County, with average daily temperatures fluctuating between 50 ºF and 75 ºF.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.