Cheap flights to Cascade County

View €787 flight on Wed, 2 Sept 2026Opens in a new window

Popular airlines to Cascade County

  • Delta

  • Alaska Airlines

  • United

  • KLM

  • Air France

  • Virgin Atlantic

  • Hawaiian Airlines

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Cheap round-trip flights to Cascade County

Prices were available within the past 7 days and start at €787 for one-way flights and €971 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 21 May - Thu, 4 Jun
DUB
Dublin
HLN
Helena
€971 Return, found 4 days ago
€971
Return
found 4 days ago
Select Delta flight, departing Thu, 21 May from Dublin to Helena, returning Thu, 4 Jun, priced at €971 found 4 days ago
Air Canada
Thu, 21 May - Thu, 4 Jun
DUB
Dublin
HLN
Helena
€973 Return, found 4 days ago
€973
Return
found 4 days ago
Select Air Canada flight, departing Thu, 21 May from Dublin to Helena, returning Thu, 4 Jun, priced at €973 found 4 days ago
United
Sat, 9 May - Mon, 1 Jun
DUB
Dublin
GTF
Great Falls
€976 Return, found 4 days ago
€976
Return
found 4 days ago
Select United flight, departing Sat, 9 May from Dublin to Great Falls, returning Mon, 1 Jun, priced at €976 found 4 days ago
Lufthansa
Fri, 8 May - Sun, 10 May
DUB
Dublin
HLN
Helena
€993 Return, found 3 days ago
€993
Return
found 3 days ago
Select Lufthansa flight, departing Fri, 8 May from Dublin to Helena, returning Sun, 10 May, priced at €993 found 3 days ago
Delta
Fri, 8 May - Sun, 10 May
DUB
Dublin
HLN
Helena
€994 Return, found 3 days ago
€994
Return
found 3 days ago
Select Delta flight, departing Fri, 8 May from Dublin to Helena, returning Sun, 10 May, priced at €994 found 3 days ago
KLM
Thu, 21 May - Thu, 4 Jun
DUB
Dublin
HLN
Helena
€995 Return, found 4 days ago
€995
Return
found 4 days ago
Select KLM flight, departing Thu, 21 May from Dublin to Helena, returning Thu, 4 Jun, priced at €995 found 4 days ago
Delta
Fri, 8 May - Sun, 10 May
DUB
Dublin
HLN
Helena
€996 Return, found 3 days ago
€996
Return
found 3 days ago
Select Delta flight, departing Fri, 8 May from Dublin to Helena, returning Sun, 10 May, priced at €996 found 3 days ago
Lufthansa
Fri, 8 May - Sun, 10 May
DUB
Dublin
HLN
Helena
€997 Return, found 3 days ago
€997
Return
found 3 days ago
Select Lufthansa flight, departing Fri, 8 May from Dublin to Helena, returning Sun, 10 May, priced at €997 found 3 days ago
Lufthansa
Fri, 8 May - Sun, 10 May
DUB
Dublin
HLN
Helena
€1,000 Return, found 3 days ago
€1,000
Return
found 3 days ago
Select Lufthansa flight, departing Fri, 8 May from Dublin to Helena, returning Sun, 10 May, priced at €1,000 found 3 days ago
Air France
Thu, 21 May - Thu, 4 Jun
DUB
Dublin
HLN
Helena
€1,003 Return, found 4 days ago
€1,003
Return
found 4 days ago
Select Air France flight, departing Thu, 21 May from Dublin to Helena, returning Thu, 4 Jun, priced at €1,003 found 4 days ago

Trending flights to Cascade County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 21 May - Thu, 4 Jun
DUB
Dublin
HLN
Helena
€971 Return, found 4 days ago
€971
Return
found 4 days ago
Select Delta flight, departing Thu, 21 May from Dublin to Helena, returning Thu, 4 Jun, priced at €971 found 4 days ago

Frequently asked questions

How do I find cheap flights to Cascade County that have flexible change policies?
Search for cheap fares to Cascade County, then tick the "No change fee" box directly underneath the "Flexible change policies" heading. From then on it's smooth sailing. We understand that plans can change and flexibility is important, so book with confidence with Expedia.
Which airlines fly to Cascade County?
When you're ready to reserve your flight to or near Cascade County, these popular airlines look forward to welcoming you on board:

  • Delta Air Lines - 117 flights to or near Cascade County each month, including 117 flights to Great Falls Intl. Airport (GTF) per month.
  • United Airlines - 65 flights to or near Cascade County each month, including 65 flights to Great Falls Intl. Airport (GTF) per month.
  • Alaska Airlines - 30 flights to or near Cascade County each month, including 30 flights to Great Falls Intl. Airport (GTF) per month.

How can I find cheap tickets to Cascade County?
You'll always get an awesome deal with Expedia, but our "flexible dates" feature makes it even easier. Enter your preferred travel date, then click on the flexible dates link above to compare prices for nearby days. €971 was the best price for a flight to Cascade County in the last seven days.
How much is a flight to Cascade County?
You could have scored a round-trip airfare to Cascade County from anywhere between €971 and €1,236 in the last seven days. For one-way journeys departing from Dublin (DUB), the lowest amount paid during this period was €787.
What are the most popular airports to fly into in Cascade County?
Great Falls Intl. Airport (GTF) is the main jumping-off point for many travelling into and out of Cascade County. Around 221 flights a month touch down here.
How much is a plane ticket to Cascade County?
In the last seven days, ticket prices to Cascade County varied from €971 to €1,236.
What is the best time to go to Cascade County?
A terrific time to head for Cascade County, as well as the major city of Great Falls, is during the busy months of April, July and August. Summer here starts June 20, and you can expect average temperatures of between 13ºC and 27ºC if you travel then. This warmer weather is perfect for strolling around this city's sights.
What months are the cheapest to book a flight to Cascade County?
February is a good month to pick up bargain flights to Cascade County. Be aware that the priciest time to reserve a seat in the U.S. Isn't during the height of summer, but the festive month of December.

Book with confidence

About Cascade County

Expedia offers flights to Cascade County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Cascade County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Cascade County

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