$626 Cheap Flights from Donegal (CFN) to Boston (BOS)

View $626 flight on Wed, Sep 10, 2025Opens in a new window

Popular airlines from Donegal (CFN) to Logan International Airport (BOS)

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Cheap Flights from Donegal to Boston (CFN-BOS)

Prices were available within the past 7 days and start at $626 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Donegal (CFN) to Boston (BOS)
Origin airport
Donegal
Destination airport
Logan Intl.
Distance
2881 mi

Donegal to Boston Flights

The cheapest times to fly from Donegal to Boston

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

 

The best time to book a flight from Donegal to Boston

Sunday is one of the best days to book for cheap flights from Donegal to Boston: 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 Donegal to Boston

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 Donegal to Boston in 2025. You can also book with separate airlines for your outbound and return journeys, from $626 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 Donegal to Boston 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 Donegal to Boston 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 Donegal Airport (CFN) to Logan Intl. Airport (BOS) cost?
Discover the latest flight deals from CFN to BOS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from CFN to BOS?
The cheapest flights from CFN to BOS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from CFN to BOS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from CFN to BOS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Donegal Airport (CFN) to Logan Intl. Airport (BOS)?
You'll need to book a flight with a layover if you're traveling from Donegal Airport (CFN) to Logan Intl. Airport (BOS). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from CFN to BOS?
Typically you'll find the widest variety of flight choices 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 Donegal Airport (CFN) to Logan Intl. Airport (BOS)?
To land at Logan Intl. Airport (BOS) on time, opt for a flight that leaves from Donegal Airport (CFN) 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 Donegal Airport (CFN) to Logan Intl. Airport (BOS) last-minute?
Last-minute fares from CFN to BOS are generally more expensive. To lock in the lowest rates, start searching for flights as early as possible. That said, if you're flexible with your travel plans, you may score a cheap ticket right before your trip.
Is it cheaper to book a CFN to BOS flight and hotel package?
You'll typically save money by securing a CFN to BOS 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 flights and accommodations, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Donegal Airport (CFN) to Logan Intl. Airport (BOS)?
You can usually reschedule or cancel your CFN to BOS flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.