Cheap flights to Cascade County

View €823 flight on Sat, 10 Oct 2026Opens in a new window

Popular airlines to Cascade County

  • Alaska Airlines

  • United

  • Delta

  • KLM

  • Air France

  • Virgin Atlantic

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Cheap round-trip flights to Cascade County

Prices were available within the past 7 days and start at €823 for one-way flights and €992 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 10 Oct - Sat, 17 Oct
DUB
Dublin
HLN
Helena
€992 Return, found 4 days ago
€992
Return
found 4 days ago
Select United flight, departing Sat, 10 Oct from Dublin to Helena, returning Sat, 17 Oct, priced at €992 found 4 days ago
Delta
Sat, 10 Oct - Sat, 17 Oct
DUB
Dublin
HLN
Helena
€995 Return, found 4 days ago
€995
Return
found 4 days ago
Select Delta flight, departing Sat, 10 Oct from Dublin to Helena, returning Sat, 17 Oct, priced at €995 found 4 days ago
United
Fri, 22 May - Tue, 26 May
DUB
Dublin
GTF
Great Falls
€995 Return, found 6 days ago
€995
Return
found 6 days ago
Select United flight, departing Fri, 22 May from Dublin to Great Falls, returning Tue, 26 May, priced at €995 found 6 days ago
United
Fri, 22 May - Tue, 26 May
DUB
Dublin
GTF
Great Falls
€1,002 Return, found 6 days ago
€1,002
Return
found 6 days ago
Select United flight, departing Fri, 22 May from Dublin to Great Falls, returning Tue, 26 May, priced at €1,002 found 6 days ago
KLM
Sat, 10 Oct - Sat, 17 Oct
DUB
Dublin
HLN
Helena
€1,010 Return, found 4 days ago
€1,010
Return
found 4 days ago
Select KLM flight, departing Sat, 10 Oct from Dublin to Helena, returning Sat, 17 Oct, priced at €1,010 found 4 days ago
Air France
Sat, 10 Oct - Sat, 17 Oct
DUB
Dublin
HLN
Helena
€1,019 Return, found 4 days ago
€1,019
Return
found 4 days ago
Select Air France flight, departing Sat, 10 Oct from Dublin to Helena, returning Sat, 17 Oct, priced at €1,019 found 4 days ago
Delta
Sat, 10 Oct - Sat, 17 Oct
DUB
Dublin
HLN
Helena
€1,020 Return, found 4 days ago
€1,020
Return
found 4 days ago
Select Delta flight, departing Sat, 10 Oct from Dublin to Helena, returning Sat, 17 Oct, priced at €1,020 found 4 days ago
Air Canada
Fri, 22 May - Tue, 26 May
DUB
Dublin
GTF
Great Falls
€1,026 Return, found 6 days ago
€1,026
Return
found 6 days ago
Select Air Canada flight, departing Fri, 22 May from Dublin to Great Falls, returning Tue, 26 May, priced at €1,026 found 6 days ago
United
Sat, 10 Oct - Sat, 17 Oct
DUB
Dublin
HLN
Helena
€1,029 Return, found 4 days ago
€1,029
Return
found 4 days ago
Select United flight, departing Sat, 10 Oct from Dublin to Helena, returning Sat, 17 Oct, priced at €1,029 found 4 days ago
Air Canada
Sat, 10 Oct - Sat, 17 Oct
DUB
Dublin
HLN
Helena
€1,033 Return, found 4 days ago
€1,033
Return
found 4 days ago
Select Air Canada flight, departing Sat, 10 Oct from Dublin to Helena, returning Sat, 17 Oct, priced at €1,033 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.

United
Sat, 10 Oct - Sat, 17 Oct
DUB
Dublin
HLN
Helena
€992 Return, found 4 days ago
€992
Return
found 4 days ago
Select United flight, departing Sat, 10 Oct from Dublin to Helena, returning Sat, 17 Oct, priced at €992 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. €992 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 €992 and €1,249 in the last seven days. For one-way journeys departing from Dublin (DUB), the lowest amount paid during this period was €823.
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 €992 to €1,249.
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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