$50+ Cheap flights from Sidney, MT (SDY) to Montana
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
SDY — BZN
Oct 26 — Nov 21
Round-trip
1 adult, Economy
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Find cheap flights from Sidney to Montana with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Sidney to Montana
Cheapest
Best
Last-minute
One-way
Cheapest flights from Sidney to MontanaExplore the most affordable flight options available from Sidney to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 26, 2026.
Explore the most affordable flight options available from Sidney to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:25 am -
Nonstop1h 50m
Tue 12/87:20 am -
Nonstop1h 38m
Deal found 9/25![Cape Air logo]()
$80
This Booking.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:10 pm -
Nonstop1h 50m
Tue 10/136:06 pm -
Nonstop1h 38m
Deal found 9/23![Cape Air logo]()
$81
This Booking.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:35 am -
Nonstop1h 50m
Sun 10/117:20 am -
Nonstop1h 38m
Deal found 9/22![Cape Air logo]()
$82
This Justfly.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:10 pm -
Nonstop1h 50m
Mon 11/167:20 am -
Nonstop1h 38m
Deal found 9/25![Cape Air logo]()
$96
This Cape Air deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cape Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:10 pm -
Nonstop1h 50m
Tue 9/2910:44 am -
Nonstop1h 38m
Deal found 9/22![Cape Air logo]()
$100
Best flights from Sidney to MontanaDiscover carefully curated flight deals from Sidney to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 26, 2026.
Discover carefully curated flight deals from Sidney to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 26, 2026.
This Booking.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:10 pm -
Nonstop1h 50m
Tue 10/136:06 pm -
Nonstop1h 38m
Deal found 9/23![Cape Air logo]()
$81
This Booking.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:35 am -
Nonstop1h 50m
Sun 10/117:20 am -
Nonstop1h 38m
Deal found 9/22![Cape Air logo]()
$82
This Justfly.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:25 am -
Nonstop1h 50m
Mon 11/1610:44 am -
Nonstop1h 38m
Deal found 9/25![Cape Air logo]()
$96
This Justfly.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:10 pm -
Nonstop1h 50m
Mon 11/167:20 am -
Nonstop1h 38m
Deal found 9/25![Cape Air logo]()
$96
This Cape Air deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cape Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:04 pm -
Nonstop1h 50m
Sat 10/102:54 pm -
Nonstop1h 38m
Deal found 9/21![Cape Air logo]()
$100
This Cape Air deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cape Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:10 pm -
Nonstop1h 50m
Tue 10/612:38 pm -
Nonstop1h 38m
Deal found 9/25![Cape Air logo]()
$100
This Cape Air deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cape Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:25 am -
Nonstop1h 50m
Mon 10/126:06 pm -
Nonstop1h 38m
Deal found 9/23![Cape Air logo]()
$100
This Cape Air deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cape Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:35 am -
Nonstop1h 50m
Wed 10/147:20 am -
Nonstop1h 38m
Deal found 9/25![Cape Air logo]()
$100
Last-minute flights from Sidney to MontanaDiscover last-minute flight deals from Sidney to Montana. Data last updated September 26, 2026 and is based on user searches.
Discover last-minute flight deals from Sidney to Montana. Data last updated September 26, 2026 and is based on user searches.
This Cape Air deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cape Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:10 pm -
Nonstop1h 50m
Tue 10/612:38 pm -
Nonstop1h 38m
Deal found 9/25![Cape Air logo]()
$100
One-way flights from Sidney to MontanaSearch for one-way flight options from Sidney to Montana. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.
Search for one-way flight options from Sidney to Montana. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.
This Cape Air deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cape Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/19:45 am -
Nonstop1h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Cape Air logo]()
$50
Find flight deals from Sidney to Montana
Keep the following information in mind while searching for Sidney to Montana flight deals. Data was last updated September 26, 2026.
Round-trip from | $80 (Kiwi.com) |
|---|---|
One-way from | $50 (Cape Air) |
Cheapflights Fare Finder
Customize your flight search to find flights from Sidney to Montana that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 26, 2026.
Use the filters below to find and compare flights from Sidney to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SidneyBillings
SDY Sidney Richland Municipal - BIL Billings Logan Intl
SDYBIL
Sidney Richland Municipal
Mon 2/1
9:45 am-11:32 am
Nonstop1h 47m
Billings Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$50
SidneyBillings
SDY Sidney Richland Municipal - BIL Billings Logan Intl
SDYBIL
Sidney Richland Municipal
Thu 10/8
5:10 pm-7:00 pm
Nonstop1h 50m
Billings Logan Intl
Tue 10/13
6:06 pm-7:44 pm
Nonstop1h 38m
$81
SidneyBillings
SDY Sidney Richland Municipal - BIL Billings Logan Intl
SDYBIL
Sidney Richland Municipal
Wed 10/7
7:35 am-9:25 am
Nonstop1h 50m
Billings Logan Intl
Sun 10/11
7:20 am-8:58 am
Nonstop1h 38m
$82
SidneyBillings
SDY Sidney Richland Municipal - BIL Billings Logan Intl
SDYBIL
Sidney Richland Municipal
Fri 11/13
9:25 am-11:15 am
Nonstop1h 50m
Billings Logan Intl
Mon 11/16
10:44 am-12:22 pm
Nonstop1h 38m
$96
SidneyBillings
SDY Sidney Richland Municipal - BIL Billings Logan Intl
SDYBIL
Sidney Richland Municipal
Thu 11/12
5:10 pm-7:00 pm
Nonstop1h 50m
Billings Logan Intl
Mon 11/16
7:20 am-8:58 am
Nonstop1h 38m
$96
SidneyBillings
SDY Sidney Richland Municipal - BIL Billings Logan Intl
SDYBIL
Sidney Richland Municipal
Tue 10/6
1:04 pm-2:54 pm
Nonstop1h 50m
Billings Logan Intl
Sat 10/10
2:54 pm-4:32 pm
Nonstop1h 38m
$100
SidneyBillings
SDY Sidney Richland Municipal - BIL Billings Logan Intl
SDYBIL
Sidney Richland Municipal
Sun 10/4
5:10 pm-7:00 pm
Nonstop1h 50m
Billings Logan Intl
Tue 10/6
12:38 pm-2:16 pm
Nonstop1h 38m
$100
SidneyBillings
SDY Sidney Richland Municipal - BIL Billings Logan Intl
SDYBIL
Sidney Richland Municipal
Thu 10/8
9:25 am-11:15 am
Nonstop1h 50m
Billings Logan Intl
Mon 10/12
6:06 pm-7:44 pm
Nonstop1h 38m
$100
SidneyBillings
SDY Sidney Richland Municipal - BIL Billings Logan Intl
SDYBIL
Sidney Richland Municipal
Sat 10/10
7:35 am-9:25 am
Nonstop1h 50m
Billings Logan Intl
Wed 10/14
7:20 am-8:58 am
Nonstop1h 38m
$100
Sorted by cheapest first
Best time to book a flight from Sidney to Montana
Have a flexible travel schedule? Discover the best time to fly to Montana from Sidney with our price prediction graph.
SDY-BIL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Sidney to Montana
SDY-USMT
SDY-BIL
What is the cheapest time of day to fly from SDY to MT?
Find hourly flight availability from Sidney to Montana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 26, 2026.
When flying from Sidney, Montana to Montana, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Montana
Get insights into the airlines that provide service to Montana. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Montana. Reviews last updated September 26, 2026.
Read through reviews of airlines operating flights from Sidney to Montana, such as Cape Air. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Related info for your journey
Find useful and relevant information for your journey from Sidney to Montana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Sidney to Montana
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Montana by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Sidney to Montana by cabin class
Find flights from Sidney to Montana, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Sidney and Montana flights
Browse other Sidney and Montana flight options. Last updated on September 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Sidney to Montana flights
Consider these flights traveling from Sidney to Montana.
Top airline flying from Sidney to Montana
Discover the top airline that operate flights from Sidney to Montana. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$73 | Average$96 | FlexibilityNo cancel fee | On-time63% |