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Flights to Donegal

$941 Cheap flights to Donegal

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight to Donegal departing on 5/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from the United States to Donegal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
4:55 pm - 2:00 pm
JFK
-
CFN
16h 05m
1 stop
Aer Lingus Logo
2:30 pm - 7:20 pm
CFN
-
JFK
9h 50m
1 stop
$941Aer Lingus
Mon, May 4 - Mon, May 11
Aer Lingus Logo
4:45 pm - 2:00 pm
JFK
-
CFN
16h 15m
2 stops
Aer Lingus Logo
2:30 pm - 10:25 pm
CFN
-
JFK
12h 55m
1 stop
$954Aer Lingus
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
9:05 pm - 2:00 pm
JFK
-
CFN
11h 55m
1 stop
Multiple Airlines Logo
2:30 pm - 10:25 pm
CFN
-
JFK
12h 55m
1 stop
$957Multiple Airlines
Mon, Sep 14 - Thu, Sep 24
Multiple Airlines Logo
6:30 am - 2:00 pm
JFK
-
CFN
26h 30m
2 stops
Multiple Airlines Logo
7:55 am - 7:34 pm
CFN
-
JFK
16h 39m
2 stops
$971Multiple Airlines
Mon, Sep 14 - Thu, Sep 24
Aer Lingus Logo
4:45 pm - 2:00 pm
JFK
-
CFN
16h 15m
2 stops
Aer Lingus Logo
2:30 pm - 6:34 am
CFN
-
JFK
21h 04m
2 stops
$974Aer Lingus
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
11:55 pm - 2:00 pm
JFK
-
CFN
9h 05m
1 stop
Multiple Airlines Logo
7:55 am - 7:34 pm
CFN
-
JFK
16h 39m
2 stops
$977Multiple Airlines
Mon, Sep 14 - Thu, Sep 24
Multiple Airlines Logo
11:55 pm - 8:00 pm
JFK
-
CFN
15h 05m
1 stop
Multiple Airlines Logo
2:30 pm - 10:25 pm
CFN
-
JFK
12h 55m
1 stop
$1,004Multiple Airlines
Wed, Jul 15 - Wed, Jul 29
Multiple Airlines Logo
11:55 pm - 2:00 pm
JFK
-
CFN
9h 05m
1 stop
Multiple Airlines Logo
2:30 pm - 10:00 pm
CFN
-
JFK
36h 30m
2 stops
$1,007Multiple Airlines
Tue, May 19 - Tue, May 26
Multiple Airlines Logo
11:55 pm - 8:00 pm
JFK
-
CFN
15h 05m
1 stop
Multiple Airlines Logo
7:55 am - 1:40 pm
CFN
-
JFK
10h 45m
1 stop
$1,013Multiple Airlines
Wed, Jul 15 - Wed, Jul 29
Multiple Airlines Logo
11:55 pm - 2:00 pm
JFK
-
CFN
9h 05m
1 stop
Multiple Airlines Logo
2:30 pm - 7:20 pm
CFN
-
JFK
9h 50m
1 stop
$1,014Multiple Airlines
Wed, Jul 15 - Wed, Jul 29

momondo Fare Finder

 
Locate flights to Donegal that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on April 7, 2026.
Use the filters below to find and compare flights to Donegal that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Mon 5/4

4:55 pm-2:00 pm

1 stop16h 05m

Donegal

Mon 5/11

2:30 pm-7:20 pm

1 stop9h 50m

$941

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Mon 5/4

4:45 pm-2:00 pm

2 stops16h 15m

Donegal

Mon 5/11

2:30 pm-10:25 pm

1 stop12h 55m

$954

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Mon 9/14

9:05 pm-2:00 pm

1 stop11h 55m

Donegal

Thu 9/24

2:30 pm-10:25 pm

1 stop12h 55m

$957

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Mon 9/14

6:30 am-2:00 pm

2 stops26h 30m

Donegal

Thu 9/24

7:55 am-7:34 pm

2 stops16h 39m

$971

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Mon 5/4

4:45 pm-2:00 pm

2 stops16h 15m

Donegal

Mon 5/11

2:30 pm-6:34 am

2 stops21h 04m

$974

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Mon 9/14

11:55 pm-2:00 pm

1 stop9h 05m

Donegal

Thu 9/24

7:55 am-7:34 pm

2 stops16h 39m

$977

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 7/15

11:55 pm-8:00 pm

1 stop15h 05m

Donegal

Wed 7/29

2:30 pm-10:25 pm

1 stop12h 55m

$1,004

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Tue 5/19

11:55 pm-2:00 pm

1 stop9h 05m

Donegal

Tue 5/26

2:30 pm-10:00 pm

2 stops36h 30m

$1,007

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 7/15

11:55 pm-8:00 pm

1 stop15h 05m

Donegal

Wed 7/29

7:55 am-1:40 pm

1 stop10h 45m

$1,013
Quickest round-trip

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 7/15

11:55 pm-2:00 pm

1 stop9h 05m

Donegal

Wed 7/29

2:30 pm-7:20 pm

1 stop9h 50m

$1,014

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Donegal from

Donegal flights insights and trends

Explore insights for your Donegal flight to craft the best travel plan

How long does it take to fly to Donegal?

Flight times vary depending on what airport in United States you fly out of and what airport in Donegal you fly into. For example, flying from New York to Knock takes 12h on average. On the other hand, flying from San Francisco to Knock takes 22h 25m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

Cheap Donegal flight deals and tips

Summary info about Donegal flight prices, duration and airlines

Best Round-Trip Price

$941

Fastest flight time

12h 05m
The best round-trip flight price to Donegal from United States in the last 72 hours is $941 (New York John F Kennedy Intl to Donegal).
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The fastest flight to Donegal from United States takes 12h 05m (Washington, D.C. Dulles Intl to Donegal).
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Frequently asked questions about flying to Donegal

Is there an alternative airport near Donegal?

Those flying to Donegal could potentially find better pricing at Donegal Airport (28 mi from Donegal city center) or Galway Airport (99 mi from Donegal city center) depending on the month and departure airport.

Is there a cheaper alternative to flying into Donegal?

The cheapest airport near Donegal is typically Donegal Airport with an average price of $91/person. These prices vary based on where travelers are coming from. It is suggested that travelers looking to save money try momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Donegal Airport?

Prices for flights to Donegal Airport are updated daily.

How many operators does momondo search for flights to Donegal Airport?

As of April 2026, there is 1 operator available to choose from for flights to Donegal Airport.

How old do you have to be to fly to Donegal Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Donegal Airport.

What documentation or ID do you need to fly to Donegal Airport?

The travel and health documents you'll need for your trip to Donegal Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Donegal Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Donegal?

Book flights to Donegal if you plan to visit one of these locations
Letterkenny
Bundoran
Killybegs

Why use momondo?

Why should I use momondo to find a flight deal to Donegal?

Finding the right flight to Donegal is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Donegal quick and easy, saving you time and money.

Can I find flights to Donegal with flexible booking policies on momondo?

All flight searches to Donegal on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights to Donegal?

momondo provides multiple filters to help you find the best flight to Donegal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight to Donegal right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Donegal, momondo offers a useful price alert feature which will track prices for flights to Donegal and alert you when they change.

An easier way to manage your Donegal trip

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Find better results for your trip to Donegal

Popular flights to Donegal

Popular routes according to searches in the past day on momondo
Washington, D.C. to Donegal Flightsfrom $1,022
Chicago to Donegal Flightsfrom $2,189
New York to Donegal Flightsfrom $941
San Francisco to Donegal Flightsfrom $1,444