Cheap Flights from Amsterdam (AMS) to Sidney (SDY)

Popular airlines from Amsterdam Airport Schiphol (AMS) to Sidney, MT (SDY-Sidney-Richland Municipal)

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Frequently asked questions

How much does a flight from Schiphol Airport (AMS) to Sidney-Richland Municipal Airport (SDY) cost?
Snag a cheap one-way flight or cheap return flight from Schiphol Airport (AMS) to Sidney-Richland Municipal Airport (SDY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Schiphol Airport (AMS) to Sidney-Richland Municipal Airport (SDY)?
The cheapest month to fly from AMS to SDY is , when demand is low. Off-peak season is generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Schiphol Airport (AMS) to Sidney-Richland Municipal Airport (SDY)?
To find the cheapest airline that'll fly you from AMS to SDY, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Schiphol Airport (AMS) to Sidney-Richland Municipal Airport (SDY)?
Nonstop flights from Schiphol Airport (AMS) to Sidney-Richland Municipal Airport (SDY) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from AMS to SDY?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based 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 Schiphol Airport (AMS) to Sidney-Richland Municipal Airport (SDY)?
Choose a flight from Schiphol Airport (AMS) to Sidney-Richland Municipal Airport (SDY) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Schiphol Airport (AMS) to Sidney-Richland Municipal Airport (SDY) last-minute?
Booking your flight from AMS to SDY just before your trip is usually more expensive. But if there's some wiggle room with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book an AMS to SDY flight and hotel package?
You can save money by securing an AMS to SDY flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've chosen your preferred accommodations and flights, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Schiphol Airport (AMS) to Sidney-Richland Municipal Airport (SDY)?
If you reserved your AMS to SDY flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
Schiphol
Destination airport
Sidney-Richland Municipal
Distance
4362 mi

Book with confidence

Amsterdam to Sidney Flights

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

 

The best time to book a flight from Amsterdam to Sidney

Sunday is one of the best days to book for cheap flights from Amsterdam 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 Amsterdam 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 Amsterdam to Sidney in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Amsterdam 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 Amsterdam 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.

 

Amsterdam to Sidney Flights

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*Available to One Key members.