Where can I fly from to get the cheapest fares to Donegal?

Based on fares booked in the past 5 days, the cheapest flights to Donegal are from: • Chicago, from $920 round-trip • Washington, D.C., from $923 round-trip • New York, from $927 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 are the most popular airlines flying to Donegal?

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

$411 CHEAP FLIGHTS to Donegal in 2026

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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

$920

Typical prices: $869-$1,435

Aer Lingus

Sat 10/6Sat 10/13

ORD - CFN • 1 stop

Cheapest one-way

$411

Typical prices: $465-$674

Aer Lingus

Mon 12/31

IAD - CFN • 1 stop

Top airlines

Aer Lingus

Best reviews • 7.3 score

Airline reviews

When to travel

January

Cheapest • 34% price drop

June

Most popular

Good to know

Start a new search

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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

Last minute

All Flight Deals

Recent round-trip flight deals to Donegal

Tue, Oct 6 - Tue, Oct 13

9:00 pm - 2:00 pmORD Chicago O'Hare Intl-CFN Donegal

11h 00m1 stop Dublin

7:55 am - 7:15 pmCFN Donegal-ORD Chicago O'Hare Intl

17h 20m1 stop Dublin

$920Aer Lingus

Sat, Sep 5 - Wed, Sep 9

8:40 pm - 2:00 pmIAD Washington, D.C. Dulles Intl-CFN Donegal

12h 20m1 stop Dublin

7:55 am - 3:45 pmCFN Donegal-IAD Washington, D.C. Dulles Intl

12h 50m1 stop Dublin

$923Aer Lingus

Tue, Sep 15 - Sat, Oct 3

11:55 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

9h 05m1 stop Dublin

2:30 pm - 3:55 pmCFN Donegal-JFK New York John F Kennedy Intl

30h 25m2 stops Dublin London Gatwick

$927Multiple Airlines

Tue, Sep 15 - Sat, Oct 3

9:05 pm - 8:00 pmJFK New York John F Kennedy Intl-CFN Donegal

17h 55m1 stop Dublin

2:30 pm - 7:20 pmCFN Donegal-JFK New York John F Kennedy Intl

9h 50m1 stop Dublin

$960Aer Lingus

Sun, Jan 10 - Thu, Jan 14

7:05 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

13h 55m2 stops London Heathrow Dublin

8:00 am - 7:50 pmCFN Donegal-JFK New York John F Kennedy Intl

16h 50m2 stops Dublin London Heathrow

$1,020British Airways

Sun, Jan 10 - Thu, Jan 14

7:05 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

13h 55m2 stops London Heathrow Dublin

8:00 am - 7:50 pmCFN Donegal-JFK New York John F Kennedy Intl

16h 50m2 stops Dublin London Heathrow

$1,021British Airways

Tue, Sep 22 - Tue, Sep 29

9:11 am - 8:00 pmDEN Denver Intl-CFN Donegal

27h 49m2 stops Chicago O'Hare Intl Dublin

7:55 am - 12:17 amCFN Donegal-DEN Denver Intl

23h 22m2 stops Dublin Chicago O'Hare Intl

$1,025Aer Lingus

Thu, Oct 8 - Thu, Oct 15

8:30 pm - 8:00 pmBWI Baltimore/Washington-CFN Donegal

18h 30m2 stops Reykjavik Keflavik Intl Dublin

7:55 am - 7:25 pmCFN Donegal-BWI Baltimore/Washington

16h 30m2 stops Dublin Reykjavik Keflavik Intl

$1,032Multiple Airlines

Tue, Sep 15 - Sat, Oct 3

5:10 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

15h 50m2 stops Charlotte Douglas Dublin

2:30 pm - 11:10 amCFN Donegal-JFK New York John F Kennedy Intl

25h 40m2 stops Dublin London Heathrow

$1,054Multiple Airlines

Mon, Oct 5 - Mon, Oct 12

9:00 pm - 2:00 pmORD Chicago O'Hare Intl-CFN Donegal

11h 00m1 stop Dublin

7:55 am - 7:15 pmCFN Donegal-ORD Chicago O'Hare Intl

17h 20m1 stop Dublin

$1,063Aer Lingus

All round-trip flight deals to Donegal

Tue, Oct 6 - Tue, Oct 13

9:00 pm - 2:00 pmORD Chicago O'Hare Intl-CFN Donegal

11h 00m1 stop Dublin

7:55 am - 7:15 pmCFN Donegal-ORD Chicago O'Hare Intl

17h 20m1 stop Dublin

$920Aer Lingus

Sat, Sep 5 - Wed, Sep 9

8:40 pm - 2:00 pmIAD Washington, D.C. Dulles Intl-CFN Donegal

12h 20m1 stop Dublin

7:55 am - 3:45 pmCFN Donegal-IAD Washington, D.C. Dulles Intl

12h 50m1 stop Dublin

$923Aer Lingus

Tue, Sep 15 - Sat, Oct 3

11:55 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

9h 05m1 stop Dublin

2:30 pm - 3:55 pmCFN Donegal-JFK New York John F Kennedy Intl

30h 25m2 stops Dublin London Gatwick

$927Multiple Airlines

Tue, Sep 15 - Sat, Oct 3

9:05 pm - 8:00 pmJFK New York John F Kennedy Intl-CFN Donegal

17h 55m1 stop Dublin

2:30 pm - 7:20 pmCFN Donegal-JFK New York John F Kennedy Intl

9h 50m1 stop Dublin

$960Aer Lingus

Sun, Jan 10 - Thu, Jan 14

7:05 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

13h 55m2 stops London Heathrow Dublin

8:00 am - 7:50 pmCFN Donegal-JFK New York John F Kennedy Intl

16h 50m2 stops Dublin London Heathrow

$1,020British Airways

Sun, Jan 10 - Thu, Jan 14

7:05 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

13h 55m2 stops London Heathrow Dublin

8:00 am - 7:50 pmCFN Donegal-JFK New York John F Kennedy Intl

16h 50m2 stops Dublin London Heathrow

$1,021British Airways

Tue, Sep 22 - Tue, Sep 29

9:11 am - 8:00 pmDEN Denver Intl-CFN Donegal

27h 49m2 stops Chicago O'Hare Intl Dublin

7:55 am - 12:17 amCFN Donegal-DEN Denver Intl

23h 22m2 stops Dublin Chicago O'Hare Intl

$1,025Aer Lingus

Thu, Oct 8 - Thu, Oct 15

8:30 pm - 8:00 pmBWI Baltimore/Washington-CFN Donegal

18h 30m2 stops Reykjavik Keflavik Intl Dublin

7:55 am - 7:25 pmCFN Donegal-BWI Baltimore/Washington

16h 30m2 stops Dublin Reykjavik Keflavik Intl

$1,032Multiple Airlines

Tue, Sep 15 - Sat, Oct 3

5:10 pm - 2:00 pmJFK New York John F Kennedy Intl-CFN Donegal

15h 50m2 stops Charlotte Douglas Dublin

2:30 pm - 11:10 amCFN Donegal-JFK New York John F Kennedy Intl

25h 40m2 stops Dublin London Heathrow

$1,054Multiple Airlines

Mon, Oct 5 - Mon, Oct 12

9:00 pm - 2:00 pmORD Chicago O'Hare Intl-CFN Donegal

11h 00m1 stop Dublin

7:55 am - 7:15 pmCFN Donegal-ORD Chicago O'Hare Intl

17h 20m1 stop Dublin

$1,063Aer Lingus

Booking Insights

Price, demand and travel trends for United States to Donegal flights

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

Prices

Airlines

What is the cheapest day to fly to Donegal?

Thursday is the cheapest day to fly to Donegal at $643 round-trip on average over the past 12 months on KAYAK. Sunday is the most expensive at $1,730.

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

Morning flights to Donegal are the cheapest at $1,093 round-trip on average. Afternoon flights are the most expensive at $1,497.

Find deals

Low season	November
High season	June
Cheapest flight	$411

Most popular time to fly with an average 13% increase in price.

Flight from Washington, D.C. Dulles 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.

Where can I fly from to get the cheapest fares to Donegal?
Based on fares booked in the past 5 days, the cheapest flights to Donegal are from:
• Chicago, from $920 round-trip
• Washington, D.C., from $923 round-trip
• New York, from $927 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.

For flights to Donegal, recent KAYAK data shows that stronger deals tend to land around $869 round-trip. If you see a fare below that threshold, it's a strong deal – book before the price climbs back up.
If you can choose when to go, time your trip to Donegal around January. Round-trip fares historically average $763 that month – typically the cheapest month to travel based on 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 morning to save up to $404 per round-trip. Morning flights to Donegal average $1,093 compared to $1,497 for noon flights. See the time-of-day chart above for the full breakdown.

Bundoran

Killybegs

Downings

Milford

Everything you need to know for your flight to Donegal

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Return flight deals

Information on the airport you'll fly into in Donegal

Donegal (CFN)

CFN

$411 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

Recent last minute flight deals to Donegal

All round-trip flight deals to Donegal

Price, demand and travel trends for United States to Donegal flights

What is the cheapest day to fly to Donegal?

What is the cheapest time of day to fly 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?

Everything you need to know for your flight to Donegal

Information on the airport you'll fly into in Donegal

Cabin class types available on flights to Donegal

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

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Choose which airport to fly into in Donegal

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