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

Compare Boston Logan International to Donegal flight deals

Find the cheapest month or even day of the year to fly to Donegal

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Flight deals from Boston Logan International to Donegal

Looking for a cheap last-minute deal or the best return flight from Boston Logan International Airport to Donegal Airport? If you want to travel next month, return fares start from $1,049. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Boston Logan International to Donegal

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston Logan International to Donegal flights are currently cheapest in March.

Boston Logan International to Donegal: Alternative routes

Compare routes from Boston Logan International to Donegal below. You may find an airport to fly into that's cheaper, faster, or easier than Donegal.

Boston to Donegal: Flight information

The things to know before you go.
Cheapest flight found$1,032
Cheapest month to flyMarch

Finding cheap flights from Boston Logan International to Donegal: Frequently asked questions

The best price we found for a return flight from Boston Logan International to Donegal is $1,032. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Boston Logan International to Donegal. But we found flights with one or more stops from $1,032.
As of July 2026, there are no flights flying from Boston Logan International to Donegal.
The cheapest month to fly from Boston Logan International to Donegal is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boston Logan International Airport to Donegal Airport on Monday, 1 March 2027.
No airlines currently offer direct flights between Boston Logan International Airport and Donegal Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Donegal but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Donegal is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Aer Lingus offers the cheapest flight tickets to Donegal.

Travelling from Boston Logan International Airport (BOS) to Donegal Airport (CFN): what you need to know

  • Donegal's timezone is UTC+0, making Donegal five hours ahead of Boston.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to board your BOS to CFN flight.

  • Travelling during a peak time like July? Major public holidays and other popular periods can mean longer lines and delays at security. Play things extra safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • Break up your flight or explore another city along the way with a stopover. Just uncheck 'Direct flights only' to see your options when searching for tickets from Boston Logan International Airport to Donegal Airport. Many travellers pass through Dublin Airport on this route.

How to find the cheapest flights from Boston Logan International Airport (BOS) to Donegal Airport (CFN)

  • The cheapest price we've seen for a one-way Boston Logan International Airport to Donegal Airport flight is $491. A round-trip fare right now is $1,032. Depending on the availability when you book, these fares can change.

  • To score cheap tickets from BOS to CFN, book as early as you can. Airlines usually offer their most competitively priced fares when flights are first made available.

  • If you can be flexible with your trip dates, try using the 'Whole month' search tool. It'll find the lowest price in each month when looking for a flight from Boston Logan International Airport to Donegal Airport.

  • You don't need to check every day to see if fares have dropped when you set up a Price Alert. We'll let you know as soon as there's a better deal on cheap flights from BOS to CFN.

  • Discover the right flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Boston Logan International Airport to Donegal Airport, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and number of stops.

Handy information about Boston Logan International Airport (BOS)

  • You'll find BOS at One Harborside Drive.

  • When it comes to Boston Logan International Airport's on-time performance, data shows 75% of flights arrive within the scheduled timeframe.

  • To reach Boston Logan International Airport from central Boston, it takes about 20 minutes if you're planning to drive. This depends on traffic, however. It's approximately 8 kilometres from the airport to the city centre.

  • You can expect a trip time of around 25 minutes on public transport.

  • Looking for a handy hotel near BOS? If you're boarding an early flight from Boston Logan International Airport to Donegal Airport, these stays will have you sleeping moments from your departure lounge:

Arriving at Donegal Airport (CFN)

  • The last thing you need is a long journey to your hotel if you're arriving on a late Boston Logan International Airport to Donegal Airport flight. Stay at one of these accommodation options near CFN instead:

  • Hit the road running by picking up a Donegal Airport rental car. Grab your wheels from Enterprise, Europcar or Keddy By Europcar and explore beyond Donegal's main sights.

  • To get the best possible deal, book your vehicle from Donegal Airport several weeks in advance. Prices typically go up closer to your day of departure.

Getting from Donegal Airport (CFN) to central Donegal

  • Donegal Airport to the centre of Donegal has a drive time of about 20 minutes. It's approximately 72 kilometres away.

  • It takes around 1 hour when travelling by public transport.

When to fly to Donegal Airport (CFN)

  • The quietest month for a flight from Boston Logan International Airport to Donegal Airport is February, while July is the most popular. Pick the ideal time to visit Donegal based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Book your flight from Boston Logan International Airport to Donegal Airport for July if you want to go to Donegal during its warmest month. You can expect temperatures of between 9ºC (48ºF) and 20ºC (68ºF).

  • Look for cheap tickets from BOS to CFN in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 8ºC (46ºF) on average.

Explore more of Ireland

  • Donegal has plenty going for it, but there are so many other corners of Ireland waiting to be discovered. Around 193 kilometres south-east of Donegal, a trip to Dublin will keep your itinerary busy. Start with leading sights like Guinness Storehouse, Trinity College Library and St. Patrick's Cathedral.

  • Around 306 kilometres south of Donegal, Cork is another favourite stop in Ireland. Experience this destination's highlights firsthand at Blarney Castle & Gardens, Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.