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

View $50 flight on Wed, Apr 30, 2025Opens in a new window

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Find available prices by choosing your travel dates.

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 $92 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cape Air
Mon, May 19 - Wed, May 21
SDY
Sidney
BIL
Billings
$92 Roundtrip, found 5 days ago
$92
Roundtrip
found 5 days ago
Select Cape Air flight, departing Mon, May 19 from Sidney to Billings, returning Wed, May 21, priced at $92 found 5 days ago
Cape Air
Fri, Aug 1 - Mon, Aug 4
SDY
Sidney
BIL
Billings
$100 Roundtrip, found 4 hours ago
$100
Roundtrip
found 4 hours ago
Select Cape Air flight, departing Fri, Aug 1 from Sidney to Billings, returning Mon, Aug 4, priced at $100 found 4 hours ago
Cape Air
Mon, May 12 - Fri, May 16
SDY
Sidney
BIL
Billings
$110 Roundtrip, found 15 hours ago
$110
Roundtrip
found 15 hours ago
Select Cape Air flight, departing Mon, May 12 from Sidney to Billings, returning Fri, May 16, priced at $110 found 15 hours ago
Cape Air
Mon, May 12 - Fri, May 16
SDY
Sidney
BIL
Billings
$120 Roundtrip, found 15 hours ago
$120
Roundtrip
found 15 hours ago
Select Cape Air flight, departing Mon, May 12 from Sidney to Billings, returning Fri, May 16, priced at $120 found 15 hours ago
Flights from Sidney (SDY) to Billings (BIL)
Origin airport
Sidney-Richland Municipal
Destination airport
Logan Intl.
Airlines serving
Cape Air
Roundtrip price
$86
Distance
244 mi

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 May. 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 2025. 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.

 

Frequently asked questions

How long does it take to fly from Sidney-Richland Municipal Airport (SDY) to Billings Logan International Airport?
A direct flight with Cape Air takes approximately 1 hour and 52 minutes. Lock in a seat on the 2:20PM flight from Sidney-Richland Airport and land at Logan Intl. Airport (BIL) at 4:12PM. Snag an awesome deal on this and other routes when you use Expedia to book your journey.
Is it cheaper to buy a plane ticket from Sidney-Richland Airport to Logan Intl. Airport (BIL) last minute?
Booking your journey from SDY to BIL last minute could save you some dough if you’re lucky to find an awesome deal. However, tickets usually don’t come down in price closer to the departure date. If you procrastinate, flights could also be booked up or the best seats taken (don’t get stuck in the middle!). If you want to be on the safe side, book well ahead of your departure date. Don’t forget that some of the biggest bargains can be found up to 12 months in advance. If your preferred carrier hasn’t released its airfares yet, check back regularly as offers are constantly updated on Expedia.
What airports do you fly into for Billings from Sidney?
Sidney to Billings flights touch down at Logan Intl. Airport (BIL). Put your bags down at your hotel and then visit some of the city’s best sights, such as Reef Indoor Water Park and MetraPark. The airport is roughly 2 mi northwest of the center of Billings.
What are the most popular departure times for flights from Sidney-Richland Municipal Airport (SDY) to Billings Logan International Airport?
For Cape Air flights heading from Sidney-Richland Municipal Airport (SDY) to Billings Logan International Airport, the busiest time is between 7:00 AM - 8:00 AM. If you’d like to avoid any holdups, fly in the morning. This way you’re more likely to escape the air traffic that builds up in the afternoon and evening.
Can I change the date of my flight from SDY to BIL?
It’s a snap to make amendments to your Sidney-Richland Municipal Airport (SDY) to BIL trip yourself. Simply log in to the Expedia Trips portal and choose “change flight.” Search for new flights and lock in the one that fits your new plans. You’ll see an estimate of your flight change cost, if applicable. Alternatively, use our Customer Service portal to chat to our Virtual Agent and quickly get answers to your questions.

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*Available to One Key members.