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$372 Cheap Flights from Memphis (MEM) to Sidney (SDY)

View $372 flight on Fri, Jan 8, 2027Opens in a new window

Popular airlines from Memphis International Airport (MEM) to Sidney, MT (SDY-Sidney-Richland Municipal)

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Cheap Flights from Memphis to Sidney (MEM-SDY)

Prices were available within the past 7 days and start at $372 for one-way flights and $640 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Jan 8 - Mon, Jan 18
MEM
Memphis
SDY
Sidney
$640 Roundtrip, found 2 days ago
$640
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Jan 8 from Memphis to Sidney, returning Mon, Jan 18, priced at $640 found 2 days ago
United
Fri, Jan 8 - Mon, Jan 18
MEM
Memphis
SDY
Sidney
$744 Roundtrip, found 2 days ago
$744
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jan 8 from Memphis to Sidney, returning Mon, Jan 18, priced at $744 found 2 days ago
United
Fri, Jan 8 - Mon, Jan 18
MEM
Memphis
SDY
Sidney
$749 Roundtrip, found 2 days ago
$749
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jan 8 from Memphis to Sidney, returning Mon, Jan 18, priced at $749 found 2 days ago
United
Fri, Jan 8 - Mon, Jan 18
MEM
Memphis
SDY
Sidney
$749 Roundtrip, found 2 days ago
$749
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jan 8 from Memphis to Sidney, returning Mon, Jan 18, priced at $749 found 2 days ago
Delta
Fri, Jan 8 - Mon, Jan 18
MEM
Memphis
SDY
Sidney
$789 Roundtrip, found 2 days ago
$789
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Jan 8 from Memphis to Sidney, returning Mon, Jan 18, priced at $789 found 2 days ago
Delta
Fri, Jan 8 - Mon, Jan 18
MEM
Memphis
SDY
Sidney
$794 Roundtrip, found 2 days ago
$794
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Jan 8 from Memphis to Sidney, returning Mon, Jan 18, priced at $794 found 2 days ago
Delta
Sun, Oct 25 - Wed, Oct 28
MEM
Memphis
SDY
Sidney
$800 Roundtrip, found 4 days ago
$800
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Oct 25 from Memphis to Sidney, returning Wed, Oct 28, priced at $800 found 4 days ago
United
Fri, Jan 8 - Mon, Jan 18
MEM
Memphis
SDY
Sidney
$805 Roundtrip, found 2 days ago
$805
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jan 8 from Memphis to Sidney, returning Mon, Jan 18, priced at $805 found 2 days ago
United
Fri, Jan 8 - Mon, Jan 18
MEM
Memphis
SDY
Sidney
$810 Roundtrip, found 2 days ago
$810
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jan 8 from Memphis to Sidney, returning Mon, Jan 18, priced at $810 found 2 days ago
Delta
Sun, Oct 25 - Wed, Oct 28
MEM
Memphis
SDY
Sidney
$856 Roundtrip, found 4 days ago
$856
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Oct 25 from Memphis to Sidney, returning Wed, Oct 28, priced at $856 found 4 days ago

Frequently asked questions

How much does a flight from Memphis Intl. Airport (MEM) to Sidney-Richland Municipal Airport (SDY) cost?
Secure a cheap one-way flight from $372 or cheap return flight from $640 from Memphis Intl. Airport (MEM) to Sidney-Richland Municipal Airport (SDY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Memphis Intl. Airport (MEM) to Sidney-Richland Municipal Airport (SDY)?
January is the least expensive month to fly from MEM to SDY. Planning your trip for the off-season is often the key to scoring lower fares.
What is the cheapest airline that flies from Memphis Intl. Airport (MEM) to Sidney-Richland Municipal Airport (SDY)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest MEM to SDY flight.
How many flights per day from Memphis Intl. Airport (MEM) to Sidney-Richland Municipal Airport (SDY)?
Nonstop flights from Memphis Intl. Airport (MEM) to Sidney-Richland Municipal Airport (SDY) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MEM to SDY?
Generally you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Memphis Intl. Airport (MEM) to Sidney-Richland Municipal Airport (SDY)?
To reach Sidney-Richland Municipal Airport (SDY) on time, pick a flight that leaves from Memphis Intl. Airport (MEM) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Memphis Intl. Airport (MEM) to Sidney-Richland Municipal Airport (SDY) last-minute?
Last-minute fares from MEM to SDY are usually more expensive. To secure the best prices, start looking for flights well in advance. That said, if your travel plans are flexible, it's possible to find a cheap fare right before you leave.
Is it cheaper to book a MEM to SDY flight and hotel package?
Compared with arranging hotels and flights separately, booking a MEM to SDY flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place takes the hassle out of travel planning. Just pick your flights and choose from our extensive range of stays, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Memphis Intl. Airport (MEM) to Sidney-Richland Municipal Airport (SDY)?
In most cases, you can modify or cancel your MEM to SDY flight. However, additional charges may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need more details, head to our Customer Service portal.

Travel information

Origin airport
Memphis Intl.
Destination airport
Sidney-Richland Municipal
Roundtrip price
$639
Distance
1139 mi

Book with confidence

Memphis to Sidney Flights

The cheapest times to fly from Memphis 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 Memphis to Sidney are during the month of January. You can find some of the cheapest flights from Memphis to Sidney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Memphis to Sidney

Sunday is one of the best days to book for cheap flights from Memphis 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 Memphis 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 Memphis to Sidney in 2026. You can also book with separate airlines for your outbound and return journeys, from $372 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 Memphis 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 Memphis 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.

 

Memphis to Sidney Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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