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Find cheap flights to Sidney, Montana in 2026/2027 from €1,619 This is the cheapest return flight found to Sidney, Montana from Ireland on FlightsFinder on October 23rd 2026 at 20:28. This offer may no longer be available. Click the offer to check live prices & dates of travel.
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Our Flight Finder compares the cheapest flights to Sidney, Montana from the most established flight comparison sites.
Fly to Sidney, Montana and visit sites like Yellowstone River, MonDak Heritage Center, Gartside Reservoir & Quillings Park.
1. Enter your search requirements for Sidney, Montana
2. Compare the best Sidney, Montana deals from top comparison engines
3. Book your Sidney, Montana flight at the cheapest price
These economy flights were found on FlightsFinder from Ireland to Sidney, Montana in the last few days. Prices subject to availability.
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These economy flights were found on FlightsFinder from Ireland to Sidney, Montana in the last few days. Prices subject to availability.
No flights found for this month.
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According to our data, October is on average the cheapest time to book flights to Sidney, Montana.
You can get flights from €1,619 return.
According to our data, May is on average the most expensive time to book flights to Sidney, Montana.
A return flight could set you back more than €5,263.
Welcome to Sidney, Montana, a charming city nestled in the northeastern part of the state. Known as the "Gateway to the West," Sidney offers visitors a blend of rural charm and vibrant community life. Explore the vast prairies and rolling plains, and immerse yourself in the region's rich history and culture. From outdoor adventures like hiking and fishing to local events and festivals, there is something for everyone to enjoy in this picturesque city. Discover the warm hospitality of the locals and experience the beauty of the Big Sky Country in Sidney, Montana.
A good price for a flight to Sidney is €1457 - €1781.
The popular airports near Sidney, Montana are Sidney-Richland Municipal Airport (SDY), Williston Basin International Airport (XWA) in Williston, North Dakota, and Billings Logan International Airport (BIL) in Billings, Montana.
The flight to Sidney, Montana (SDY) is roughly 9 hours 18 minutes and 3,966 miles (6,383 kilometres) from Dublin, Ireland - Dublin International Airport (DUB).
The best way is to compare flights to Sidney, Montana from leading comparison sites using our search engine dashboard.
We have currently found no direct flights to Sidney, Montana.
The main airport in Sidney, Montana, is approximately 3 miles from the city center.
Typically, flights are cheapest to Sidney, Montana 2 months before departure.
Studies show flights to Sidney, Montana are typically cheaper on Tuesdays and Wednesdays.
2 °C
Tue, 27 Oct 2026
Dublin, Ireland - Dublin International Airport (DUB) to Sidney, Montana (SDY)
Distance:
3,966 miles (6,383 kilometres)
Average flight time (direct 9 hours 18 minutes)
Shannon, Ireland - Shannon International Airport (SNN) to Sidney, Montana (SDY)
Distance:
3,908 miles (6,290 kilometres)
Average flight time (direct 9 hours 11 minutes)
Knock, Ireland - Ireland West Airport (NOC) to Sidney, Montana (SDY)
Distance:
3,862 miles (6,216 kilometres)
Average flight time (direct 9 hours 4 minutes)
Cork, Ireland - Cork International Airport (ORK) to Sidney, Montana (SDY)
Distance:
3,959 miles (6,371 kilometres)
Average flight time (direct 9 hours 17 minutes)
Kerry, Ireland - Kerry Airport (KIR) to Sidney, Montana (SDY)
Distance:
3,909 miles (6,292 kilometres)
Average flight time (direct 9 hours 11 minutes)
Donegal, Ireland - Donegal Airport (CFN) to Sidney, Montana (SDY)
Distance:
3,832 miles (6,167 kilometres)
Average flight time (direct 9 hours)
Waterford, Ireland - Waterford Airport (WAT) to Sidney, Montana (SDY)
Distance:
3,991 miles (6,423 kilometres)
Average flight time (direct 9 hours 22 minutes)
From Dublin (DUB), Ireland to Sidney, United States (SDY): €1,619
Depart: 30 Oct 2026 · Return: 06 Nov 2026 Price found 23 Oct 2026, 20:28
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