$419 Cheap Flights from Santo Domingo (SDQ) to Decatur (DEC)

View $419 flight on Wed, Nov 19, 2025Opens in a new window

Popular airlines from Las Americas Intl. Airport (SDQ) to Decatur, IL (DEC)

Cheap Flights from Santo Domingo to Decatur (SDQ-DEC)

Prices were available within the past 7 days and start at $419 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Santo Domingo (SDQ) to Decatur (DEC)
Origin airport
Las Americas Intl.
Destination airport
Decatur
Distance
1869 mi

Santo Domingo to Decatur Flights

The cheapest times to fly from Santo Domingo to Decatur

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 Santo Domingo to Decatur are during the month of . You can find some of the cheapest flights from Santo Domingo to Decatur with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Santo Domingo to Decatur

Sunday is one of the best days to book for cheap flights from Santo Domingo to Decatur: 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 Santo Domingo to Decatur

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 Santo Domingo to Decatur in 2025. You can also book with separate airlines for your outbound and return journeys, from $419 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 Santo Domingo to Decatur 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 Santo Domingo to Decatur 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 Las Americas Intl. Airport (SDQ) to Decatur Airport (DEC) cost?
Snag a cheap one-way flight from $419 or cheap return flight from Las Americas Intl. Airport (SDQ) to Decatur Airport (DEC) 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 Las Americas Intl. Airport (SDQ) to Decatur Airport (DEC)?
The cheapest month to fly from SDQ to DEC is , when there's less demand. Off-peak season is generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from Las Americas Intl. Airport (SDQ) to Decatur Airport (DEC)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from SDQ to DEC. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Las Americas Intl. Airport (SDQ) to Decatur Airport (DEC)?
You'll need to catch a flight with a layover when traveling from Las Americas Intl. Airport (SDQ) to Decatur Airport (DEC). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from SDQ to DEC?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a number of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Las Americas Intl. Airport (SDQ) to Decatur Airport (DEC)?
Opt for a flight from Las Americas Intl. Airport (SDQ) to Decatur Airport (DEC) that leaves before 3 PM to reduce the risk of cancellations and delays. 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 Las Americas Intl. Airport (SDQ) to Decatur Airport (DEC) last-minute?
Last-minute bookings from SDQ to DEC are generally more expensive. For the cheapest rates, start looking for flights as early as possible. That said, if you can play around with your travel dates, it's possible to land a cheap fare right before your journey.
Is it cheaper to book a SDQ to DEC flight and hotel package?
Booking a SDQ to DEC flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Las Americas Intl. Airport (SDQ) to Decatur Airport (DEC)?
Generally, it's possible to cancel or reschedule your SDQ to DEC flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.