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$83+ Cheap flights from Sidney, MT to Billings (SDY - BIL)

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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
SDY — BIL
Jan 9 — Jan 161
Fri 1/9
Fri 1/16
1 adult, Economy
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Cheap flight deals from Sidney to Billings

Cheapest flights from Sidney to Billings
Explore the most affordable flight options available from Sidney to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 10, 2025.

This Mytrip deal was found by Cheapflights users on 12/8. 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.
Tue 12/232:55 pmSDY - BIL
Nonstop1h 53mCape Air
Sat 12/272:54 pmBIL - SDY
Nonstop1h 45mCape Air
Deal found 12/8$83
This Mytrip deal was found by Cheapflights users on 12/9. 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.
Thu 12/255:10 pmSDY - BIL
Nonstop1h 55mCape Air
Mon 12/292:54 pmBIL - SDY
Nonstop1h 45mCape Air
Deal found 12/9$84

Find flight deals from Sidney to Billings

Discover tips and strategies to find the most affordable flight options for your journey from Sidney (SDY) to Billings (BIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$83
(Mytrip)
Provider with most accurate pricing for Sidney Richland Municipal-Billings Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Sidney Richland Municipal-Billings Logan Intl flights.
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From Sidney Richland Municipal to Billings Logan Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Sidney to Billings 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 2,558,603 searches. Data last updated December 10, 2025.
Use the filters below to find and compare flights from Sidney to Billings that are best for you.

Fly from

Sidney

Fly to

Billings

Route

Depart

Return

Price

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Tue 12/23

2:55 pm-4:48 pm

Nonstop1h 53m

Billings Logan Intl

Sat 12/27

2:54 pm-4:39 pm

Nonstop1h 45m

$83

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Thu 12/25

5:10 pm-7:05 pm

Nonstop1h 55m

Billings Logan Intl

Mon 12/29

2:54 pm-4:39 pm

Nonstop1h 45m

$84

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Thu 1/22

2:55 pm-4:48 pm

Nonstop1h 53m

Billings Logan Intl

Mon 1/26

12:35 pm-2:20 pm

Nonstop1h 45m

$94

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Compare providers for flights from Sidney to Billings

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 to Billings in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
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: When it comes to deals on Sidney, Montana-Billings flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sidney, Montana-Billings flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Sidney, Montana-Billings flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sidney, Montana-Billings flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sidney, Montana-Billings flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sidney to Billings

Have a flexible travel schedule? Discover the best time to fly to Billings 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.

Cheapflights Insights

Everything you need to know about your flight from Sidney to Billings

What is the cheapest time of day to fly from SDY to BIL?

Find hourly flight availability from Sidney to Billings. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 10, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sidney, Montana to Billings as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Sidney to Billings. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Sidney, Montana to Billings?

    A quick flight from Sidney, Montana to Billings can take about 1h 53m. Cape Air provides one of the quickest options available for as low as $83. Airlines will cover a distance of 244 mi. Most flights are nonstop.

  • Can I find deals for flights from Sidney to Billings that include hotel bookings?

    Yes. In addition to deals on Sidney to Billings flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sidney to Billings?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sidney to Billings.

  • Can I find deals for business class flights from Sidney to Billings?

    Yes. Cheapflights offers flight deals from Sidney to Billings by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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