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Sidney

$88+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
SDY — BIL
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
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Find flights from Sidney

Cheapest flights from Sidney
Explore the most affordable flight options available from Sidney. Find the lowest fares based on data from user searches, with prices last updated on October 20, 2025.

This Mytrip deal was found by Cheapflights users on 10/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:10 pmSDY - BIL
Nonstop1h 55mCape Air
Fri 11/712:35 pmBIL - SDY
Nonstop1h 42mCape Air
Deal found 10/19$90
This Booking.com deal was found by Cheapflights users on 10/18. 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.
Fri 11/77:35 amSDY - BIL
Nonstop1h 55mCape Air
Sun 11/97:25 amBIL - SDY
Nonstop1h 42mCape Air
Deal found 10/18$91
This Cape Air deal was found by Cheapflights users on 10/19. 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 4/25:10 pmSDY - BIL
Nonstop1h 55mCape Air
Sat 4/410:45 amBIL - SDY
Nonstop1h 42mCape Air
Deal found 10/19$100
This eDestinos deal was found by Cheapflights users on 10/18. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:35 amSDY - BIL
Nonstop1h 55mCape Air
Tue 12/93:03 pmBIL - SDY
Nonstop1h 42mCape Air
Deal found 10/18$114

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 October 20, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Billings

Route

Depart

Return

Price

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Mon 11/3

5:10 pm-7:05 pm

Nonstop1h 55m

Billings Logan Intl

Fri 11/7

12:35 pm-2:17 pm

Nonstop1h 42m

$90

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Fri 11/7

7:35 am-9:30 am

Nonstop1h 55m

Billings Logan Intl

Sun 11/9

7:25 am-9:07 am

Nonstop1h 42m

$91

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Thu 11/6

5:10 pm-7:05 pm

Nonstop1h 55m

Billings Logan Intl

Sat 11/8

3:03 pm-4:45 pm

Nonstop1h 42m

$91

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Fri 11/7

5:10 pm-7:05 pm

Nonstop1h 55m

Billings Logan Intl

Sat 11/8

12:35 pm-2:17 pm

Nonstop1h 42m

$91

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Mon 11/10

5:10 pm-7:05 pm

Nonstop1h 55m

Billings Logan Intl

Sat 11/15

10:45 am-12:27 pm

Nonstop1h 42m

$100

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Sun 11/2

12:52 pm-2:47 pm

Nonstop1h 55m

Billings Logan Intl

Thu 11/6

7:25 am-9:07 am

Nonstop1h 42m

$100

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Thu 4/2

9:32 am-11:27 am

Nonstop1h 55m

Billings Logan Intl

Sat 4/4

10:45 am-12:27 pm

Nonstop1h 42m

$100

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

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 October
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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, FlightHub has been found to have the most accurate pricing. Users can find the same prices on deals on Cheapflights as FlightHub 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 FlightHub the highest out of those offering flight deals from Sidney, Montana. FlightHub 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.

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