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$50 Cheap Flights from Billings (BIL) to Sidney (SDY)

View $50 flight on Fri, Nov 6, 2026Opens in a new window

Popular airlines from Billings Logan Intl. Airport (BIL) to Sidney, MT (SDY-Sidney-Richland Municipal)

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Cheap Flights from Billings to Sidney (BIL-SDY)

Prices were available within the past 7 days and start at $50 for one-way flights and $100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cape Air
Thu, Sep 17 - Wed, Sep 23
BIL
Billings
SDY
Sidney
$100 Roundtrip, just found
$100
Roundtrip
just found
Select Cape Air flight, departing Thu, Sep 17 from Billings to Sidney, returning Wed, Sep 23, priced at $100 just found
Cape Air
Sat, Nov 21 - Sat, Nov 28
BIL
Billings
SDY
Sidney
$103 Roundtrip, found 4 days ago
$103
Roundtrip
found 4 days ago
Select Cape Air flight, departing Sat, Nov 21 from Billings to Sidney, returning Sat, Nov 28, priced at $103 found 4 days ago
Cape Air
Sun, Sep 20 - Mon, Sep 21
BIL
Billings
SDY
Sidney
$110 Roundtrip, found 7 hours ago
$110
Roundtrip
found 7 hours ago
Select Cape Air flight, departing Sun, Sep 20 from Billings to Sidney, returning Mon, Sep 21, priced at $110 found 7 hours ago
Cape Air
Thu, Sep 17 - Wed, Sep 23
BIL
Billings
SDY
Sidney
$120 Roundtrip, just found
$120
Roundtrip
just found
Select Cape Air flight, departing Thu, Sep 17 from Billings to Sidney, returning Wed, Sep 23, priced at $120 just found
Cape Air
Sat, Nov 21 - Sat, Nov 28
BIL
Billings
SDY
Sidney
$124 Roundtrip, found 4 days ago
$124
Roundtrip
found 4 days ago
Select Cape Air flight, departing Sat, Nov 21 from Billings to Sidney, returning Sat, Nov 28, priced at $124 found 4 days ago

What you need to know for your flight from Logan Intl. to Sidney-Richland Municipal

Billings (BIL) to Sidney (SDY) at a glance

Travel from Billings (BIL) to Sidney (SDY) with ease on this convenient domestic short-haul route. Discover the best itinerary that aligns with your travel plans as you explore the notable attractions and neighborhoods of Sidney. Here, you’ll find essential information about flights from Billings to Sidney, including flight times and options for the lowest fares available.

  • Fastest flight duration: around 1h 45m non-stop
  • Route distance: roughly 250 miles (400 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $50–$65, depending on seasonality and how far ahead you book

Flights from Logan International Airport (BIL) to Sidney-Richland Municipal Airport (SDY)

Based on recent traveler bookings, these are the top airlines preferred for non-stop flights from Billings to Sidney. They offer you the flexibility to explore various price points, total travel times, and cabin classes, helping you find the ideal itinerary for your trip.

  • Hahn Air: A comprehensive airline providing non-stop flights, Hahn Air dominates this route with nearly all departures. One-way ticket prices typically fall between $50 and $65, and the total travel time is approximately 1 hour and 45 minutes.

How to find the best prices for flights from Billings (BIL) to Sidney (SDY)

Getting some of the best deals on flights from Billings to Sidney is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking within two weeks, which coincides with when most travelers make their reservations. Morning departures from 5 am to 12 pm tend to be less expensive, although afternoon flights from 12 pm to 6 pm are the most popular. Additionally, flying on Saturday generally offers lower prices, while Friday remains the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Sidney-Richland Municipal Airport from Logan International Airport

Sidney welcomes travelers from Billings with a range of transport options based on price, convenience, and proximity. Here's how to reach Sidney efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Sidney, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Sidney-Richland Municipal Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Sidney-Richland Municipal Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

Frequently asked questions

How much does a flight from Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal) cost?
You can find cheap one-way flights from $50 and cheap return flights from $100 Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal) with Expedia. One-way flights usually range from $47 to $60, and return flights typically cost between $93 and $110. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal)?
The cheapest month to fly from BIL to SDY is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal)?
Enter BIL to SDY and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal)?
SkyWest Airlines is one of the cheapest airlines offering nonstop flights from Logan Intl. (BIL) to Sidney-Richland Municipal (SDY), with return tickets starting from around $93. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal)?
To find a cheap flight from Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal)?
The best airline to fly with from Billings, MT (BIL) to Sidney, MT (SDY) will differ from traveler to traveler. If you like to fly early, 9K offers early morning flights. If price is the most important factor, 9K typically offers the lowest fares. 9K offers the most daily flights from BIL to SDY, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal)?
There are approximately 5 nonstop flights per day from Logan Intl. (BIL) to Sidney-Richland Municipal (SDY). For more options, look at flights that include layovers.
What is the earliest flight from Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal)?
The earliest flight from Logan International Airport (BIL) to Sidney-Richland Municipal Airport (SDY) usually departs at 7:15 AM, operated by 9K. An early flight like this can help you arrive in Sidney with plenty of time to explore. This service operates seasonally from March to September. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal)?
The most popular departure times for flights from Logan Intl. (BIL) to Sidney-Richland Municipal (SDY) are in the early afternoon, from 12pm to 3pm. About 33% of passengers prefer this time window. The only airline offering flights during this window is 9K. This timing is convenient for travelers looking to make the most of their day.
How long does it take to fly from Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal)?
A nonstop flight from BIL to SDY typically takes around 1 hour 50 minutes, covering approximately 245 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal)?
Select the "Business class" and "First class" filters when looking for BIL to SDY flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal) flight with Expedia?
It's easy to earn miles on a Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Sidney from Logan Intl. (BIL)?
From Logan Intl. (BIL), you can fly typically into Sidney-Richland Municipal (SDY) to reach Sidney. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal) at the last minute?
Typically, booking a last minute flight from Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal) flight and hotel package?
Securing a Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal)?
If you booked your Billings, MT (BIL-Logan Intl.) to Sidney, MT (SDY-Sidney-Richland Municipal) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Logan Intl.
Destination airport
Sidney-Richland Municipal
Airlines serving
Cape Air
Roundtrip price
$94
Distance
244 mi
Average flight time
1 hour 38 mins

Book with confidence

Billings to Sidney Flights

The cheapest times to fly from Billings to Sidney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Billings to Sidney are during the month of September. You can find some of the cheapest flights from Billings to Sidney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Billings to Sidney

Sunday is one of the best days to book for cheap flights from Billings to Sidney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Billings to Sidney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Billings to Sidney in 2026. You can also book with separate airlines for your outbound and return journeys, from $50 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Billings to Sidney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Billings to Sidney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Billings to Sidney Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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