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$36+ Cheap flights from Sidney, MT to Billings (SDY - BIL)

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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
SDY — BIL
Jun 13 — Jun 201
Sat 6/13
Sat 6/20
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 May 14, 2026.

This Booking.com deal was found by Cheapflights users on 5/10. 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 5/227:35 am
SDY
-
BIL
Nonstop1h 47m
Cape Air
Mon 5/257:25 am
BIL
-
SDY
Nonstop1h 42m
Cape Air
Deal found 5/10$82
This Booking.com deal was found by Cheapflights users on 5/12. 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 5/271:04 pm
SDY
-
BIL
Nonstop1h 47m
Cape Air
Sun 5/3110:44 am
BIL
-
SDY
Nonstop1h 42m
Cape Air
Deal found 5/12$83
This Cape Air deal was found by Cheapflights users on 5/12. 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 5/267:35 am
SDY
-
BIL
Nonstop1h 47m
Cape Air
Thu 5/2812:35 pm
BIL
-
SDY
Nonstop1h 42m
Cape Air
Deal found 5/12$100

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 May 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$82
(Booking.com)

One-way from

$36
(Booking.com)
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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One-way flight 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 May 14, 2026.
Use the filters below to find and compare flights from Sidney to Billings that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Sun 5/24

7:35 am-9:22 am

Nonstop1h 47m

Billings Logan Intl

Thu 5/28

10:44 am-12:26 pm

Nonstop1h 42m

$82

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Tue 6/9

9:45 am-11:32 am

Nonstop1h 47m

Billings Logan Intl

Mon 6/15

10:44 am-12:26 pm

Nonstop1h 42m

$82

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Wed 5/27

1:04 pm-2:51 pm

Nonstop1h 47m

Billings Logan Intl

Sun 5/31

10:44 am-12:26 pm

Nonstop1h 42m

$83

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Fri 6/12

2:55 pm-4:42 pm

Nonstop1h 47m

Billings Logan Intl

Thu 6/18

7:25 am-9:07 am

Nonstop1h 42m

$83

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Tue 5/26

7:35 am-9:22 am

Nonstop1h 47m

Billings Logan Intl

Thu 5/28

10:44 am-12:26 pm

Nonstop1h 42m

$100
Cheapest one-way
Quickest one-way

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Fri 5/22

2:55 pm-4:42 pm

Nonstop1h 47m

$36

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/10

Sorted by cheapest first

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 May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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: When it comes to deals on Sidney, Montana-Billings flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sidney, Montana-Billings flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 May 14, 2026.

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.

Reviews of airlines servicing Billings

Get insights into the airlines that provide service to Billings. 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 Billings. Reviews last updated May 14, 2026.
Peruse reviews from past customers who have flown with Cape Air from Sidney to Billings to help guide your decision. 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

Overall

9.3

Comfort

8.6

Crew

9.4

Food

8.7

Entertainment

8.9

Boarding

9.0
Cape Air
9.3
Wonderful
33 reviews
Cape Air
9.3
Wonderful
33 reviews

Overall

9.3

Comfort

8.6

Crew

9.4

Food

8.7

Entertainment

8.9

Boarding

9.0

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.

  • What airports do I use to fly from Sidney to Billings?

    If you book a flight from Sidney to Billings, you will be flying from Richland Municipal to Billings Logan Intl. Flights to Billings Logan Intl (BIL) from Sidney Richland Municipal (SDY) take 1h 47m for a nonstop flight. There are 5 flights from Richland Municipal to Billings per day from 1 airline.

  • How popular is this Sidney, Montana to Billings flight route?

    Within the past month, 2 users have taken a look at flights from Sidney Richland Municipal to Billings Logan Intl.

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

    A quick flight from Sidney, Montana to Billings can take about 1h 47m. Cape Air provides one of the quickest options available for as low as $82. Airlines will cover a distance of 244 mi. Most flights are nonstop.

  • What is the cheapest airline to fly from Sidney, Montana to Billings round-trip?

    Flying on Cape Air is currently your cheapest option to Billings, with prices starting at $73.

  • 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.

See more FAQs

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Alternative routes for Sidney to Billings

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Top airline flying from Sidney to Billings

Discover the top airline that operate flights from Sidney to Billings. 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 2,558,603 searches. Data last updated May 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Cape AirCheapest$73Average$90FlexibilityNo cancel feeOn-time63%

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