Which city has the cheapest flights to Donegal?

Based on fares booked in the past 5 days, the cheapest flights to Donegal are from New York, starting at $867 round-trip.

How do I know if a flight to Donegal is a good deal?

A good deal on a flight to Donegal is around $869 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

Which airlines should I consider for flights to Donegal?

Aer Lingus is the most popular airline with KAYAK users flying to Donegal, and has the best on-time record at the destination's main airport.

What is the cheapest flight to Donegal?

New York John F Kennedy Intl Airport to Donegal is the cheapest route at $867 round-trip, found in the past 5 days on KAYAK. KAYAK data shows this is also the most popular route.

How much is a flight to Donegal?

On average, a round-trip flight from the United States to Donegal costs $1,143, based on KAYAK data over the past 12 months. Round-trip fares from New York average $813, while San Diego runs a bit higher at $1,403.

What is the cheapest day to fly to Donegal?

Sunday is the cheapest day to fly to Donegal at $813 round-trip on average over the past 12 months on KAYAK. Thursday is the most expensive at $2,134.

What is the cheapest time of day to fly to Donegal?

Night flights to Donegal are the cheapest at $813 round-trip on average. Afternoon flights are the most expensive at $1,497.

What is a good deal for flights to Donegal?

Flights under $869 are considered a good deal. 25% of KAYAK users found round-trip flights to Donegal at or below these prices, with the lowest fares from: •New York $706 •Philadelphia $869.

What are the most popular airlines flying to Donegal?

Aer Lingus is the only airline flying to Donegal on KAYAK.

$919 CHEAP FLIGHTS to Donegal in 2026/27

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Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$867

Typical prices: $869-$1,435

Multiple Airlines

Sun 11/18Sun 11/25

JFK - CFN • 2 stops

Top airlines

Aer Lingus

Best reviews • 7.3 score

Airline reviews

Top routes

NYC - CFN

Cheapest • 44% average savings

PHL - CFN

Most popular

Insights

When to travel

January

Cheapest • 33% price drop

June

Most popular

Good to know

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We hope you love your trip to Donegal!

Flight Deals

Cheap Flights to Donegal

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

All Flight Deals

Recent round-trip flight deals to Donegal

Wed, Nov 18 - Wed, Nov 25

10:05 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

34h 55m2 stops Madrid Barajas Dublin

7:55 am - 7:29 pmCFN Donegal-JFK New York John F Kennedy Intl

16h 34m1 stop Dublin

$867Multiple Airlines

Wed, Nov 18 - Wed, Nov 25

9:15 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

11h 45m1 stop Dublin

2:30 pm - 8:05 pmCFN Donegal-JFK New York John F Kennedy Intl

34h 35m3 stops Dublin Madrid Barajas Lisbon Humberto Delgado

$918Multiple Airlines

Wed, Nov 18 - Wed, Nov 25

9:15 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

11h 45m1 stop Dublin

2:30 pm - 4:29 pmCFN Donegal-JFK New York John F Kennedy Intl

30h 59m1 stop Dublin

$919Aer Lingus

Wed, Dec 9 - Tue, Dec 22

7:25 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

13h 35m1 stop Dublin

7:55 am - 1:59 pmCFN Donegal-JFK New York John F Kennedy Intl

11h 04m1 stop Dublin

$957Aer Lingus

Wed, Dec 9 - Tue, Dec 22

5:00 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

16h 00m1 stop Dublin

7:55 am - 7:50 pmCFN Donegal-JFK New York John F Kennedy Intl

16h 55m2 stops Dublin London Heathrow

$972Aer Lingus

Wed, Dec 9 - Tue, Dec 22

8:05 am - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

24h 55m2 stops London Heathrow Dublin

2:30 pm - 11:20 amCFN Donegal-JFK New York John F Kennedy Intl

25h 50m2 stops Dublin London Heathrow

$983British Airways

Sun, Jan 10 - Thu, Jan 14

11:20 pm - 8:00 pmJFK New York John F Kennedy Intl-CFN Donegal

15h 40m2 stops London Heathrow Dublin

7:55 am - 6:45 pmCFN Donegal-JFK New York John F Kennedy Intl

15h 50m2 stops Dublin London Heathrow

$1,015British Airways

Sun, Jan 10 - Thu, Jan 14

11:20 pm - 8:00 pmJFK New York John F Kennedy Intl-CFN Donegal

15h 40m2 stops London Heathrow Dublin

7:55 am - 6:45 pmCFN Donegal-JFK New York John F Kennedy Intl

15h 50m2 stops Dublin London Heathrow

$1,016British Airways

Sun, Nov 8 - Tue, Nov 17

8:50 pm - 2:00 pmPHL Philadelphia-CFN Donegal

12h 10m1 stop Dublin

7:55 am - 4:10 pmCFN Donegal-PHL Philadelphia

13h 15m1 stop Dublin

$1,079Multiple Airlines

Wed, Nov 18 - Wed, Nov 25

3:55 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

17h 05m2 stops Frankfurt am Main Dublin

2:30 pm - 8:05 pmCFN Donegal-JFK New York John F Kennedy Intl

34h 35m3 stops Dublin Madrid Barajas Lisbon Humberto Delgado

$1,085Multiple Airlines

All round-trip flight deals to Donegal

Wed, Nov 18 - Wed, Nov 25

10:05 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

34h 55m2 stops Madrid Barajas Dublin

7:55 am - 7:29 pmCFN Donegal-JFK New York John F Kennedy Intl

16h 34m1 stop Dublin

$867Multiple Airlines

Wed, Nov 18 - Wed, Nov 25

9:15 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

11h 45m1 stop Dublin

2:30 pm - 8:05 pmCFN Donegal-JFK New York John F Kennedy Intl

34h 35m3 stops Dublin Madrid Barajas Lisbon Humberto Delgado

$918Multiple Airlines

Wed, Nov 18 - Wed, Nov 25

9:15 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

11h 45m1 stop Dublin

2:30 pm - 4:29 pmCFN Donegal-JFK New York John F Kennedy Intl

30h 59m1 stop Dublin

$919Aer Lingus

Wed, Dec 9 - Tue, Dec 22

7:25 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

13h 35m1 stop Dublin

7:55 am - 1:59 pmCFN Donegal-JFK New York John F Kennedy Intl

11h 04m1 stop Dublin

$957Aer Lingus

Wed, Dec 9 - Tue, Dec 22

5:00 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

16h 00m1 stop Dublin

7:55 am - 7:50 pmCFN Donegal-JFK New York John F Kennedy Intl

16h 55m2 stops Dublin London Heathrow

$972Aer Lingus

Wed, Dec 9 - Tue, Dec 22

8:05 am - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

24h 55m2 stops London Heathrow Dublin

2:30 pm - 11:20 amCFN Donegal-JFK New York John F Kennedy Intl

25h 50m2 stops Dublin London Heathrow

$983British Airways

Sun, Jan 10 - Thu, Jan 14

11:20 pm - 8:00 pmJFK New York John F Kennedy Intl-CFN Donegal

15h 40m2 stops London Heathrow Dublin

7:55 am - 6:45 pmCFN Donegal-JFK New York John F Kennedy Intl

15h 50m2 stops Dublin London Heathrow

$1,015British Airways

Sun, Jan 10 - Thu, Jan 14

11:20 pm - 8:00 pmJFK New York John F Kennedy Intl-CFN Donegal

15h 40m2 stops London Heathrow Dublin

7:55 am - 6:45 pmCFN Donegal-JFK New York John F Kennedy Intl

15h 50m2 stops Dublin London Heathrow

$1,016British Airways

Sun, Nov 8 - Tue, Nov 17

8:50 pm - 2:00 pmPHL Philadelphia-CFN Donegal

12h 10m1 stop Dublin

7:55 am - 4:10 pmCFN Donegal-PHL Philadelphia

13h 15m1 stop Dublin

$1,079Multiple Airlines

Wed, Nov 18 - Wed, Nov 25

3:55 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

17h 05m2 stops Frankfurt am Main Dublin

2:30 pm - 8:05 pmCFN Donegal-JFK New York John F Kennedy Intl

34h 35m3 stops Dublin Madrid Barajas Lisbon Humberto Delgado

$1,085Multiple Airlines

Booking Insights

Price, demand and travel trends for flights to Donegal

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

What is the cheapest flight to Donegal?: New York John F Kennedy Intl Airport to Donegal is the cheapest route at $867 round-trip, found in the past 5 days on KAYAK. KAYAK data shows this is also the most popular route.
How much is a flight to Donegal? Average and cheapest price for all round-trip flights to Donegal from each origin found by users searching on KAYAK in the last 12 months.: On average, a round-trip flight from the United States to Donegal costs $1,143, based on KAYAK data over the past 12 months. Round-trip fares from New York average $813, while San Diego runs a bit higher at $1,403.
What is the cheapest day to fly to Donegal?: Sunday is the cheapest day to fly to Donegal at $813 round-trip on average over the past 12 months on KAYAK. Thursday is the most expensive at $2,134.
What is the cheapest time of day to fly to Donegal? Average price for all round-trip flights depending on time of departure, seen by users on KAYAK in the last 12 months.: Night flights to Donegal are the cheapest at $813 round-trip on average. Afternoon flights are the most expensive at $1,497.
What is a good deal for flights to Donegal?: Flights under $869 are considered a good deal. 25% of KAYAK users found round-trip flights to Donegal at or below these prices, with the lowest fares from:
•New York $706
•Philadelphia $869.

Find deals

Low season	November
High season	June
Cheapest flight	$867

The most popular month to fly with an average 62% increase in travelers.

Round-trip flight from New York John F Kennedy Intl Airport to Donegal

When to book flights to Donegal

Are your dates flexible? Find out the best times to travel to Donegal based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. The information is for flights to Donegal based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

How do I know if a flight to Donegal is a good deal?
A good deal on a flight to Donegal is around $869 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.
Which city has the cheapest flights to Donegal?
Based on fares booked in the past 5 days, the cheapest flights to Donegal are from New York, starting at $867 round-trip.
Which airlines should I consider for flights to Donegal?
Aer Lingus is the most popular airline with KAYAK users flying to Donegal, and has the best on-time record at the destination's main airport.

For flights to Donegal, a good round-trip fare is around $869. If you find a fare below that, you're getting a strong deal.
If your travel dates are flexible, consider flying to Donegal in January. Round-trip fares historically average $763, making January the cheapest month to travel based on KAYAK data from the last 12 months.
Before you book:

• Check the route's typical price range so you can spot a deal.
• Confirm baggage fees and seat-selection costs on budget carriers.
• Verify whether you need any travel documents beyond ID.
• Pick a departure airport, since your nearest may not be the cheapest origin.
Shift your departure to evening to save up to $684 per round-trip. Evening flights to Donegal average $813 compared to $1,497 for noon flights.

Bundoran

Killybegs

Downings

Milford

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CFN

$867 Find Cheap Flights to Donegal - Compare and Save

Everything you should know

Cheap Flights to Donegal

Recent round-trip flight deals to Donegal

Recent one-way flight deals to Donegal

All round-trip flight deals to Donegal

Price, demand and travel trends for flights to Donegal

What is the cheapest flight to Donegal?

How much is a flight to Donegal?

What is the cheapest day to fly to Donegal?

What is the cheapest time of day to fly to Donegal?

What is a good deal for flights to Donegal?

What are the most popular airlines flying to Donegal?

Key details for flights to Donegal

Low season

High season

Cheapest flight

When to book flights to Donegal

Your questions about flights to Donegal, answered

Your guide to booking Donegal flights

Traveling to a place near Donegal?

More options for your flight to Donegal

Complete your trip to Donegal with a hotel stay or car rental

Information on the airport you'll fly into in Donegal

Cabin class types available on flights to Donegal

Flights from local origins to Donegal

Flights to other popular destinations

Find deals for your return flight