AUD/AU
Find cheap flights to Sidney, Montana in 2025/2026 from $3,784 This is the cheapest return flight found to Sidney, Montana from Australia on FlightsFinder on December 12th 2025 at 07:07. 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.
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These economy flights were found on FlightsFinder from Australia to Sidney, Montana in the last few days. Prices subject to availability.
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These economy flights were found on FlightsFinder from Australia to Sidney, Montana in the last few days. Prices subject to availability.
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According to our data, January is on average the cheapest time to book flights to Sidney, Montana.
You can get flights from $3,784 return.
According to our data, December is on average the most expensive time to book flights to Sidney, Montana.
A return flight could set you back more than $4,706.
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 $3406 - $4162.
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 19 hours 29 minutes and 8,543 miles (13,749 kilometres) from Sydney, Australia - Kingsford Smith Airport (SYD).
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.
4.4 °C
Sun, 14 Dec 2025
Sydney, Australia - Kingsford Smith Airport (SYD) to Sidney, Montana (SDY)
Distance:
8,543 miles (13,749 kilometres)
Average flight time (direct 19 hours 29 minutes)
Brisbane, Australia - Brisbane International Airport (BNE) to Sidney, Montana (SDY)
Distance:
8,162 miles (13,136 kilometres)
Average flight time (direct 18 hours 38 minutes)
Melbourne, Australia - All Airports (MEL) to Sidney, Montana (SDY)
Distance:
8,981 miles (14,454 kilometres)
Average flight time (direct 20 hours 27 minutes)
Perth, Australia - Perth International Airport (PER) to Sidney, Montana (SDY)
Distance:
10,079 miles (16,220 kilometres)
Average flight time (direct 22 hours 53 minutes)
Cairns, Australia - Cairns International Airport (CNS) to Sidney, Montana (SDY)
Distance:
8,003 miles (12,879 kilometres)
Average flight time (direct 18 hours 17 minutes)
Adelaide, Australia - Adelaide International Airport (ADL) to Sidney, Montana (SDY)
Distance:
9,160 miles (14,741 kilometres)
Average flight time (direct 20 hours 51 minutes)
Darwin, Australia - Darwin International Airport (DRW) to Sidney, Montana (SDY)
Distance:
8,455 miles (13,606 kilometres)
Average flight time (direct 19 hours 17 minutes)
Gold Coast, Australia - Coolangatta Airport (OOL) to Sidney, Montana (SDY)
Distance:
8,180 miles (13,165 kilometres)
Average flight time (direct 18 hours 40 minutes)
Townsville, Australia - Townsville International Airport (TSV) to Sidney, Montana (SDY)
Distance:
8,071 miles (12,990 kilometres)
Average flight time (direct 18 hours 26 minutes)
Mount Isa, Australia - Mount Isa Airport (ISA) to Sidney, Montana (SDY)
Distance:
8,477 miles (13,643 kilometres)
Average flight time (direct 19 hours 20 minutes)
Kununurra, Australia - Kununurra Airport (KNX) to Sidney, Montana (SDY)
Distance:
8,725 miles (14,042 kilometres)
Average flight time (direct 19 hours 53 minutes)
Newcastle, Australia - Williamtown Metropolitan Area Airport (NTL) to Sidney, Montana (SDY)
Distance:
8,464 miles (13,621 kilometres)
Average flight time (direct 19 hours 18 minutes)
Mackay, Australia - Mackay Airport (MKY) to Sidney, Montana (SDY)
Distance:
8,052 miles (12,958 kilometres)
Average flight time (direct 18 hours 23 minutes)
Hobart, Australia - Hobart International Airport (HBA) to Sidney, Montana (SDY)
Distance:
9,061 miles (14,582 kilometres)
Average flight time (direct 20 hours 38 minutes)
Launceston, Australia - Launceston Airport (LST) to Sidney, Montana (SDY)
Distance:
9,026 miles (14,525 kilometres)
Average flight time (direct 20 hours 33 minutes)
Cloncurry, Australia - Cloncurry Airport (CNJ) to Sidney, Montana (SDY)
Distance:
8,431 miles (13,568 kilometres)
Average flight time (direct 19 hours 14 minutes)
Paraburdoo, Australia - Paraburdoo Airport (PBO) to Sidney, Montana (SDY)
Distance:
9,583 miles (15,423 kilometres)
Average flight time (direct 21 hours 47 minutes)
Karratha, Australia - Karratha Airport (KTA) to Sidney, Montana (SDY)
Distance:
9,498 miles (15,286 kilometres)
Average flight time (direct 21 hours 36 minutes)
Kalgoorlie-Boulder, Australia - Kalgoorlie-Boulder Airport (KGI) to Sidney, Montana (SDY)
Distance:
9,777 miles (15,735 kilometres)
Average flight time (direct 22 hours 13 minutes)
Learmonth, Australia - Learmonth Airport (LEA) to Sidney, Montana (SDY)
Distance:
9,690 miles (15,595 kilometres)
Average flight time (direct 22 hours 2 minutes)
Port Macquarie, Australia - Port Macquarie Airport (PQQ) to Sidney, Montana (SDY)
Distance:
8,357 miles (13,450 kilometres)
Average flight time (direct 19 hours 4 minutes)
Port Hedland, Australia - Port Hedland International Airport (PHE) to Sidney, Montana (SDY)
Distance:
9,402 miles (15,131 kilometres)
Average flight time (direct 21 hours 23 minutes)
Canberra, Australia - Canberra Airport (CBR) to Sidney, Montana (SDY)
Distance:
8,690 miles (13,985 kilometres)
Average flight time (direct 19 hours 48 minutes)
From Brisbane (BNE), Australia to Sidney, United States (SDY): $3,784
Depart: 22 Jan 2026 · Return: 24 Jan 2026 Price found 12 Dec 2025, 07:07
From Sydney (SYD), Australia to Sidney, United States (SDY): $5,441
Depart: 19 Dec 2025 · Return: 26 Dec 2025 Price found 11 Dec 2025, 06:10
From Melbourne (MEL), Australia to Sidney, United States (SDY): $6,762
Depart: 17 Dec 2025 · Return: 24 Dec 2025 Price found 12 Dec 2025, 09:10
From Perth (PER), Australia to Sidney, United States (SDY): $12,314
Depart: 17 Dec 2025 · Return: 24 Dec 2025 Price found 12 Dec 2025, 10:22
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