$39+ Cheap flights from Sidney, MT
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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
Find flights from Sidney within your budget
Fly to
Route
Depart
Return
SidneyBillings
SDY Sidney Richland Municipal - BIL Billings Logan Intl
SDYBIL
Sidney Richland Municipal
Thu 11/12
2:54 pm-4:44 pm
Nonstop1h 50m
Billings Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
SidneyBillings
SDY Sidney Richland Municipal - BIL Billings Logan Intl
SDYBIL
Sidney Richland Municipal
Sat 12/12
5:10 pm-7:00 pm
Nonstop1h 50m
Billings Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
SidneyBillings
SDY Sidney Richland Municipal - BIL Billings Logan Intl
SDYBIL
Sidney Richland Municipal
Fri 11/13
5:10 pm-7:00 pm
Nonstop1h 50m
Billings Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
SidneyBillings
SDY Sidney Richland Municipal - BIL Billings Logan Intl
SDYBIL
Sidney Richland Municipal
Mon 11/16
7:35 am-9:25 am
Nonstop1h 50m
Billings Logan Intl
Fri 11/20
6:06 pm-7:44 pm
Nonstop1h 38m
SidneyBillings
SDY Sidney Richland Municipal - BIL Billings Logan Intl
SDYBIL
Sidney Richland Municipal
Thu 11/19
5:10 pm-7:00 pm
Nonstop1h 50m
Billings Logan Intl
Mon 11/23
10:44 am-12:22 pm
Nonstop1h 38m
SidneyBillings
SDY Sidney Richland Municipal - BIL Billings Logan Intl
SDYBIL
Sidney Richland Municipal
Wed 11/18
5:10 pm-7:00 pm
Nonstop1h 50m
Billings Logan Intl
Sun 11/22
7:20 am-8:58 am
Nonstop1h 38m
SidneyBillings
SDY Sidney Richland Municipal - BIL Billings Logan Intl
SDYBIL
Sidney Richland Municipal
Tue 11/17
9:25 am-11:15 am
Nonstop1h 50m
Billings Logan Intl
Thu 11/19
2:54 pm-4:32 pm
Nonstop1h 38m
SidneyBillings
SDY Sidney Richland Municipal - BIL Billings Logan Intl
SDYBIL
Sidney Richland Municipal
Fri 11/20
5:10 pm-7:00 pm
Nonstop1h 50m
Billings Logan Intl
Tue 11/24
7:20 am-8:58 am
Nonstop1h 38m
SidneySeattle
SDY Sidney Richland Municipal - SEA Seattle/Tacoma Intl
SDYSEA
Sidney Richland Municipal
Wed 12/2
7:35 am-8:33 pm
2 stops13h 58m
Seattle/Tacoma Intl
Sat 1/2
8:20 am-8:59 am
1 stop23h 39m
SidneyLas Vegas
SDY Sidney Richland Municipal - LAS Las Vegas Harry Reid Intl
SDYLAS
Sidney Richland Municipal
Thu 11/19
5:10 pm-7:10 pm
1 stop27h 00m
Las Vegas Harry Reid Intl
Mon 11/23
2:00 pm-8:58 am
1 stop17h 58m
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 November
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: Among all the travel providers offering deals on flights from Sidney, Montana, Kiwi.com has been found to have the most accurate pricing. Users can find the same prices on deals on Cheapflights as Kiwi.com about >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.
Travel insights for flights from Sidney
Get recent, data-driven insights about flights from Sidney including ideal travel times, pricing trends, and more.
Which airlines fly from Sidney, Montana?
For flights departing from Sidney, Montana check dates and pricing for the following: Cape Air. This airline departs to the following popular destinations: Billings.
What is the cheapest place to fly to from Sidney, Montana?
The cheapest city to fly to from Sidney, Montana is Billings Logan Intl, with prices starting at $80. Explore other affordable destinations below.
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 November 5, 2026. In the last 7 days, Cheapflights users made a total of 7,457,451 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.
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Airports servicing Sidney
Fly out of one of these airports located in Sidney.
Fly from other United States cities
Consider departing from one of these cities also located in United States. Flight origins are based on user searches made on Cheapflights and were last updated on November 5, 2026.
Popular Round-Trip Flight Destinations
Consider these popular destinations that Cheapflights users have chosen when departing from Sidney. Routes are based on user searches and were last updated on November 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 November 5, 2026.