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

View $50 flight on Mon, Aug 31, 2026Opens in a new window

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

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Cheap Flights from Sidney to Billings (SDY-BIL)

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
Mon, Aug 31 - Fri, Sep 4
SDY
Sidney
BIL
Billings
$100 Roundtrip, found 2 hours ago
$100
Roundtrip
found 2 hours ago
Select Cape Air flight, departing Mon, Aug 31 from Sidney to Billings, returning Fri, Sep 4, priced at $100 found 2 hours ago
Cape Air
Sat, Apr 4 - Mon, Apr 6
SDY
Sidney
BIL
Billings
$110 Roundtrip, found 1 hour ago
$110
Roundtrip
found 1 hour ago
Select Cape Air flight, departing Sat, Apr 4 from Sidney to Billings, returning Mon, Apr 6, priced at $110 found 1 hour ago
Cape Air
Sat, Apr 4 - Mon, Apr 6
SDY
Sidney
BIL
Billings
$120 Roundtrip, found 1 hour ago
$120
Roundtrip
found 1 hour ago
Select Cape Air flight, departing Sat, Apr 4 from Sidney to Billings, returning Mon, Apr 6, priced at $120 found 1 hour ago
Cape Air
Sat, Apr 4 - Mon, Apr 6
SDY
Sidney
BIL
Billings
$130 Roundtrip, found 1 hour ago
$130
Roundtrip
found 1 hour ago
Select Cape Air flight, departing Sat, Apr 4 from Sidney to Billings, returning Mon, Apr 6, priced at $130 found 1 hour ago
Cape Air
Thu, Jun 25 - Sun, Jul 5
SDY
Sidney
BIL
Billings
$140 Roundtrip, found 4 days ago
$140
Roundtrip
found 4 days ago
Select Cape Air flight, departing Thu, Jun 25 from Sidney to Billings, returning Sun, Jul 5, priced at $140 found 4 days ago

Alternative airports near Billings

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Logan Intl. BIL. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $100
BIL
Logan Intl.
CheapestClosest
Average driving time to city center5 min
Flights from $100

Frequently asked questions

How much does a flight from Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.) cost?
You can find cheap one-way flights from $50 and cheap return flights from $100 Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.) 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 Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.) 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 Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.)?
The cheapest month to fly from SDY to BIL is August 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 Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.)?
Enter SDY to BIL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Sidney, MT (SDY) to Billings, MT (BIL), with round-trip 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 Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.)?
To find a cheap flight from Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.), 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 Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.)?
The best airline to fly with from Sidney, MT (SDY) to Billings, MT (BIL) 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 also offers the most daily flights from SDY to BIL, 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 Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.)?
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 Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.)?
On average, there are around 5 nonstop flights per day from Sidney-Richland Municipal (SDY) to Logan Intl. (BIL). For more options, look at flights that include layovers.
What is the earliest flight from Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.)?
The earliest flight from Sidney-Richland Municipal Airport (SDY) to Logan International Airport (BIL) in Billings typically departs at around 7:35 AM, operated by 9K. This service operates year-round, giving you flexibility in your travel plans. 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 Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.)?
For flights from Sidney, MT (SDY) to Billings, MT (BIL), the most popular departure times are in the early afternoon, from 12pm to 3pm. About 40% of passengers choose this time window. Many travelers prefer this because it allows for a leisurely morning before heading to the airport.
How long does it take to fly from Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.)?
Direct flights from SDY to BIL usually take about 2 hours, traveling roughly 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 Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.)?
Select the "Business class" and "First class" filters when looking for SDY to BIL 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 Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.) flight with Expedia?
It's easy to earn miles on a Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.) 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 Billings from Sidney-Richland Municipal (SDY)?
From Sidney-Richland Municipal (SDY), you can fly typically into Logan Intl. (BIL) to reach Billings. 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 Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.) at the last minute?
Typically, booking a last minute flight from Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.) 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 Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.) flight and hotel package?
Securing a Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.) Billings Vacation Packages 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 Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.)?
If you booked your Sidney, MT (SDY-Sidney-Richland Municipal) to Billings, MT (BIL-Logan Intl.) 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
Sidney-Richland Municipal
Destination airport
Logan Intl.
Airlines serving
Cape Air
Roundtrip price
$100
Distance
244 mi
Average flight time
1 hour 53 mins

Book with confidence

Sidney to Billings Flights

The cheapest times to fly from Sidney to Billings

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 Sidney to Billings are during the month of August. You can find some of the cheapest flights from Sidney to Billings with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sidney to Billings

Sunday is one of the best days to book for cheap flights from Sidney to Billings: 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 Sidney to Billings

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 Sidney to Billings 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 Sidney to Billings 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 Sidney to Billings 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.

 

Sidney to Billings Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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