Cheap Flights from Rotterdam (RTM) to Sidney (SDY)

Popular airlines from Rotterdam (RTM-Rotterdam The Hague) to Sidney, MT (SDY-Sidney-Richland Municipal)

Frequently asked questions

How much does a flight from Rotterdam The Hague Airport (RTM) to Sidney-Richland Municipal Airport (SDY) cost?
Lock in a cheap one-way flight or cheap return flight from Rotterdam The Hague Airport (RTM) 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 Rotterdam The Hague Airport (RTM) to Sidney-Richland Municipal Airport (SDY)?
Planning your getaway for can help you save, as it's the cheapest month for flights between RTM and SDY. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Rotterdam The Hague Airport (RTM) to Sidney-Richland Municipal Airport (SDY)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from RTM to SDY. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Rotterdam The Hague Airport (RTM) to Sidney-Richland Municipal Airport (SDY)?
There aren't any daily direct flights from Rotterdam The Hague Airport (RTM) to Sidney-Richland Municipal Airport (SDY). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from RTM to SDY?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Rotterdam The Hague Airport (RTM) to Sidney-Richland Municipal Airport (SDY)?
Opt for a flight from Rotterdam The Hague Airport (RTM) to Sidney-Richland Municipal Airport (SDY) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this are on average 22% more likely to be canceled.**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 Rotterdam The Hague Airport (RTM) to Sidney-Richland Municipal Airport (SDY) last-minute?
Holding off until just before your departure to book a flight from RTM to SDY generally means paying more. While you might find some last-minute offers, they're not always guaranteed. Keep your travel schedule open for a better chance of scoring a bargain.
Is it cheaper to book a RTM to SDY flight and hotel package?
You'll generally save money by booking a RTM to SDY flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your preferred accommodations and flights, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Rotterdam The Hague Airport (RTM) to Sidney-Richland Municipal Airport (SDY)?
In most cases, you can cancel or modify your RTM to SDY flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more details, head to our Customer Service portal.

Travel information

Origin airport
Rotterdam The Hague
Destination airport
Sidney-Richland Municipal
Distance
4369 mi

Book with confidence

Rotterdam to Sidney Flights

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

 

The best time to book a flight from Rotterdam to Sidney

Sunday is one of the best days to book for cheap flights from Rotterdam 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 Rotterdam 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 Rotterdam 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 Rotterdam 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 Rotterdam 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.

 

Rotterdam to Sidney Flights

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*Available to One Key members.