Cheap Flights from Port of Spain (POS) to Sidney (SDY)

Popular airlines from Piarco Intl. Airport (POS) to Sidney, MT (SDY-Sidney-Richland Municipal)

Flights from Port of Spain (POS) to Sidney (SDY)
Origin airport
Piarco Intl.
Destination airport
Sidney-Richland Municipal
Distance
3565 mi

Port of Spain to Sidney Flights

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

 

The best time to book a flight from Port of Spain to Sidney

Sunday is one of the best days to book for cheap flights from Port of Spain 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 Port of Spain 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 Port of Spain to Sidney in 2026. 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 Port of Spain 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 Port of Spain 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.

 

Frequently asked questions

How much does a flight from Piarco Intl. Airport (POS) to Sidney-Richland Municipal Airport (SDY) cost?
Lock in a cheap one-way flight or cheap return flight from Piarco Intl. Airport (POS) to Sidney-Richland Municipal Airport (SDY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Piarco Intl. Airport (POS) to Sidney-Richland Municipal Airport (SDY)?
Flying in can help you save, as it's the cheapest month for flights between POS and SDY. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Piarco Intl. Airport (POS) to Sidney-Richland Municipal Airport (SDY)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from POS to SDY. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Piarco Intl. Airport (POS) to Sidney-Richland Municipal Airport (SDY)?
You'll have to take a flight with a layover if you're traveling from Piarco Intl. Airport (POS) to Sidney-Richland Municipal Airport (SDY). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from POS to SDY?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a number of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Piarco Intl. Airport (POS) to Sidney-Richland Municipal Airport (SDY)?
To reach Sidney-Richland Municipal Airport (SDY) on time, select a flight that leaves from Piarco Intl. Airport (POS) before 3 PM. The chance 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 Piarco Intl. Airport (POS) to Sidney-Richland Municipal Airport (SDY) last-minute?
Last-minute fares from POS to SDY are generally more expensive. To secure the lowest rates, start looking for flights well ahead of time. That being said, if you're flexible with your travel plans, it's possible to score a cheap ticket right before you leave.
Is it cheaper to book a POS to SDY flight and hotel package?
Compared with arranging flights and hotels separately, booking a POS to SDY flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place will take the stress out of planning your trip. Simply secure your flights and choose from our extensive range of stays, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Piarco Intl. Airport (POS) to Sidney-Richland Municipal Airport (SDY)?
It's usually possible to reschedule or cancel your POS to SDY flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.