$399 Cheap Flights from Great Falls (GTF) to Dublin (DUB)

View $399 flight on Wed, Nov 26, 2025Opens in a new window

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to Dublin Airport (DUB)

Cheap Flights from Great Falls to Dublin (GTF-DUB)

Prices were available within the past 7 days and start at $399 for one-way flights and $463 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Nov 13 - Thu, Nov 20
GTF
Great Falls
DUB
Dublin
$463 Roundtrip, found 6 days ago
$463
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Nov 13 from Great Falls to Dublin, returning Thu, Nov 20, priced at $463 found 6 days ago
Delta
Mon, Nov 17 - Mon, Nov 24
GTF
Great Falls
DUB
Dublin
$467 Roundtrip, found 6 days ago
$467
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Nov 17 from Great Falls to Dublin, returning Mon, Nov 24, priced at $467 found 6 days ago
Delta
Wed, Nov 12 - Thu, Nov 20
GTF
Great Falls
DUB
Dublin
$468 Roundtrip, found 6 days ago
$468
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Nov 12 from Great Falls to Dublin, returning Thu, Nov 20, priced at $468 found 6 days ago
Delta
Wed, Nov 12 - Fri, Nov 21
GTF
Great Falls
DUB
Dublin
$472 Roundtrip, found 6 days ago
$472
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Nov 12 from Great Falls to Dublin, returning Fri, Nov 21, priced at $472 found 6 days ago
Delta
Sat, Nov 15 - Sun, Nov 23
GTF
Great Falls
DUB
Dublin
$473 Roundtrip, found 5 days ago
$473
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Nov 15 from Great Falls to Dublin, returning Sun, Nov 23, priced at $473 found 5 days ago
Delta
Thu, Nov 13 - Fri, Nov 21
GTF
Great Falls
DUB
Dublin
$482 Roundtrip, found 6 days ago
$482
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Nov 13 from Great Falls to Dublin, returning Fri, Nov 21, priced at $482 found 6 days ago
United
Wed, Nov 12 - Wed, Nov 26
GTF
Great Falls
DUB
Dublin
$483 Roundtrip, found 6 days ago
$483
Roundtrip
found 6 days ago
Select United flight, departing Wed, Nov 12 from Great Falls to Dublin, returning Wed, Nov 26, priced at $483 found 6 days ago
Alaska Airlines
Mon, Jan 5 - Mon, Jan 19
GTF
Great Falls
DUB
Dublin
$683 Roundtrip, found 3 days ago
$683
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, Jan 5 from Great Falls to Dublin, returning Mon, Jan 19, priced at $683 found 3 days ago
KLM
Wed, Jun 17 - Thu, Jun 25
GTF
Great Falls
DUB
Dublin
$1,387 Roundtrip, found 2 hours ago
$1,387
Roundtrip
found 2 hours ago
Select KLM flight, departing Wed, Jun 17 from Great Falls to Dublin, returning Thu, Jun 25, priced at $1,387 found 2 hours ago
Air France
Sat, Sep 19 - Sat, Sep 26
GTF
Great Falls
DUB
Dublin
$1,695 Roundtrip, found 2 hours ago
$1,695
Roundtrip
found 2 hours ago
Select Air France flight, departing Sat, Sep 19 from Great Falls to Dublin, returning Sat, Sep 26, priced at $1,695 found 2 hours ago

Alternative airports near Dublin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dublin Airport DUB. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $866
DUB
Dublin Airport
CheapestClosest
Average driving time to city center14 min
Flights from $866
Flights from Great Falls (GTF) to Dublin (DUB)
Origin airport
Great Falls Intl.
Destination airport
Dublin
Airlines serving
Air France, Delta, KLM, United
Roundtrip price
$462
Distance
4204 mi

Great Falls to Dublin Flights

The cheapest times to fly from Great Falls to Dublin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Great Falls to Dublin are during the month of November. You can find some of the cheapest flights from Great Falls to Dublin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Great Falls to Dublin

Sunday is one of the best days to book for cheap flights from Great Falls to Dublin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Great Falls to Dublin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Great Falls to Dublin in 2025. You can also book with separate airlines for your outbound and return journeys, from $399 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Great Falls to Dublin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Great Falls to Dublin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Great Falls Intl. Airport (GTF) to Dublin Airport (DUB) cost?
Snag a cheap one-way flight from $399 or cheap return flight from $463 from Great Falls Intl. Airport (GTF) to Dublin Airport (DUB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Great Falls Intl. Airport (GTF) to Dublin Airport (DUB)?
Planning your getaway for November can help you save, as it's the cheapest month for flights between GTF and DUB. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Great Falls Intl. Airport (GTF) to Dublin Airport (DUB)?
To find the cheapest airline that'll fly you from GTF to DUB, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Great Falls Intl. Airport (GTF) to Dublin Airport (DUB)?
There aren't any daily direct flights from Great Falls Intl. Airport (GTF) to Dublin Airport (DUB). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from GTF to DUB?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on various factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Great Falls Intl. Airport (GTF) to Dublin Airport (DUB)?
Choose a flight from Great Falls Intl. Airport (GTF) to Dublin Airport (DUB) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Great Falls Intl. Airport (GTF) to Dublin Airport (DUB) last-minute?
Last-minute fares from GTF to DUB are generally more expensive. To lock in the best prices, start looking for flights as soon as possible. That said, if you're flexible with your travel plans, it's possible to find a cheap fare just before your departure.
Is it cheaper to book a GTF to DUB flight and hotel package?
You'll typically save money by securing a GTF to DUB flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After choosing your ideal accommodations and flights, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from Great Falls Intl. Airport (GTF) to Dublin Airport (DUB)?
Typically, it's possible to cancel or reschedule your GTF to DUB flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.