Cheap Flights from Belfast (BFS) to Decatur (DEC)

Popular airlines from Belfast International Airport (BFS) to Decatur, IL (DEC)

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Frequently asked questions

How much does a flight from Belfast Intl. Airport (BFS) to Decatur Airport (DEC) cost?
Get a cheap one-way flight or cheap return flight from Belfast Intl. Airport (BFS) to Decatur Airport (DEC) 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 Belfast Intl. Airport (BFS) to Decatur Airport (DEC)?
The cheapest month to fly from BFS to DEC is , when there's less demand. Off-peak season is typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Belfast Intl. Airport (BFS) to Decatur Airport (DEC)?
To find the cheapest airline flying from BFS to DEC, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Belfast Intl. Airport (BFS) to Decatur Airport (DEC)?
There aren't any daily nonstop flights departing from Belfast Intl. Airport (BFS) to Decatur Airport (DEC). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from BFS to DEC?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can change depending on the airline, time of year 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 Belfast Intl. Airport (BFS) to Decatur Airport (DEC)?
To touch down at Decatur Airport (DEC) on schedule, book a flight that takes off from Belfast Intl. Airport (BFS) 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 Belfast Intl. Airport (BFS) to Decatur Airport (DEC) last-minute?
Waiting until right before your break to book a ticket from BFS to DEC often results in higher prices. While you may come across some last-minute deals, they're not always guaranteed. Be flexible with your itinerary to boost your chances of snagging a bargain.
Is it cheaper to book a BFS to DEC flight and hotel package?
Compared with arranging hotels and flights separately, booking a BFS to DEC flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place takes the hassle out of planning your trip. Simply secure your flights and choose from our extensive range of stays, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Belfast Intl. Airport (BFS) to Decatur Airport (DEC)?
Typically, it's possible to reschedule or cancel your BFS to DEC flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Belfast Intl.
Destination airport
Decatur
Distance
3772 mi

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Belfast to Decatur Flights

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

 

The best time to book a flight from Belfast to Decatur

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

 

Belfast to Decatur Flights

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*Available to One Key members.