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Sidney

$38+ Cheap flights from Sidney, MT

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
SDY — BIL
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
1 adult, Economy
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Find flights from Sidney within your budget

 
Find flights departing from Sidney that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on August 4, 2026. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Mon 8/31

7:35 am-9:22 am

Nonstop1h 47m

Billings Logan Intl

Mon 9/7

10:44 am-12:26 pm

Nonstop1h 42m

$78

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Tue 9/1

2:55 pm-4:42 pm

Nonstop1h 47m

Billings Logan Intl

Mon 9/7

2:54 pm-4:36 pm

Nonstop1h 42m

$78

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Sat 8/15

5:10 pm-6:57 pm

Nonstop1h 47m

Billings Logan Intl

Wed 8/19

6:06 pm-7:48 pm

Nonstop1h 42m

$78

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Sun 8/30

7:35 am-9:22 am

Nonstop1h 47m

Billings Logan Intl

Tue 9/1

6:06 pm-7:48 pm

Nonstop1h 42m

$100

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Mon 8/17

9:45 am-11:32 am

Nonstop1h 47m

Billings Logan Intl

Fri 8/21

9:42 am-11:24 am

Nonstop1h 42m

$100
Cheapest one-way

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Sun 10/18

7:35 am-9:25 am

Nonstop1h 50m

$38
Quickest one-way

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Sat 8/15

7:35 am-9:22 am

Nonstop1h 47m

$40

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Fri 8/14

9:45 am-11:32 am

Nonstop1h 47m

$50

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Sun 8/16

5:10 pm-6:57 pm

Nonstop1h 47m

$50

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Wed 8/19

5:10 pm-6:57 pm

Nonstop1h 47m

$50

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/4

Sorted by cheapest first

Compare providers for flights from Sidney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sidney in August
ProviderPrice AccuracyTrust Score*
MytripPrice Accuracy2 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: Among all the travel providers offering deals on flights from Sidney, Montana, Mytrip has been found to have the most accurate pricing. Users can find the same prices on deals on Cheapflights as Mytrip about 90-95% of the time. This is based on searches for flights from Sidney, Montana made on Cheapflights over the past month and is updated monthly.
  • Most trusted provider: In terms of trustworthiness, Cheapflights users rate Mytrip the highest out of those offering flight deals from Sidney, Montana. Mytrip has a user feedback rating of 3 out of 3 stars (3 being the best) and has received the most positive sentiment from Cheapflights users searching for flights from Sidney, Montana. This info is gathered from Cheapflights searches over the past month.

Best time to book a flight from Sidney

Have a flexible travel schedule? Discover the best time to fly from Sidney with our price prediction graph.
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.

Travel insights for flights from Sidney

Get recent, data-driven insights about flights from Sidney including ideal travel times, pricing trends, and more.

Airline reviews for flights from Sidney

Read reviews and ratings of airlines operating flights from Sidney. Gain insights into the quality of service, in-flight amenities, customer experiences, and overall satisfaction to choose the best airline for your Sidney travel. Please note that the reviews are sourced from user searches and were last updated on August 4, 2026. In the last 7 days, Cheapflights users made a total of 2,558,603 searches.
Get a feel of what it's like to fly with Cape Air from Sidney by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cape Air
9.3
Wonderful
33 reviews

Boarding

9.0

Comfort

8.6

Food

8.7

Crew

9.4

Entertainment

8.9

Overall

9.3
Cape Air
9.3
Wonderful
33 reviews
Cape Air
9.3
Wonderful
33 reviews

Boarding

9.0

Comfort

8.6

Food

8.7

Crew

9.4

Entertainment

8.9

Overall

9.3

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Related info for your journey

Access useful and relevant information related to your journey from Sidney. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated August 4, 2026.

  • What is the cheapest flight from Sidney, Montana to anywhere?

    Users have flown out of Sidney, Montana for as low as $39 to Billings (prices may vary depending on the airline and departure time). On average, users have booked flights for $78 to fly from Sidney, Montana.

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