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Flights to Donegal

$757 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 10/21. 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
1 adult, Economy, 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.
Multiple Airlines Logo
11:55 pm - 2:00 pm
JFK
-
CFN
9h 05m
1 stop
Multiple Airlines Logo
8:00 am - 2:55 pm
CFN
-
JFK
10h 55m
1 stop
$757Multiple Airlines
Wed, Oct 21 - Mon, Oct 26
Multiple Airlines Logo
11:55 pm - 2:00 pm
JFK
-
CFN
9h 05m
1 stop
Multiple Airlines Logo
7:55 am - 10:30 pm
CFN
-
JFK
43h 35m
2 stops
$826Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Aer Lingus Logo
9:00 pm - 8:00 pm
ORD
-
CFN
17h 00m
1 stop
Aer Lingus Logo
7:55 am - 7:15 pm
CFN
-
ORD
17h 20m
1 stop
$850Aer Lingus
Wed, Sep 9 - Wed, Sep 16
Aer Lingus Logo
9:05 pm - 8:00 pm
JFK
-
CFN
17h 55m
1 stop
Aer Lingus Logo
2:30 pm - 10:25 pm
CFN
-
JFK
12h 55m
1 stop
$852Aer Lingus
Wed, Sep 2 - Fri, Sep 18
Aer Lingus Logo
9:00 pm - 2:00 pm
ORD
-
CFN
11h 00m
1 stop
Aer Lingus Logo
7:55 am - 7:15 pm
CFN
-
ORD
17h 20m
1 stop
$859Aer Lingus
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
11:55 pm - 2:00 pm
JFK
-
CFN
9h 05m
1 stop
Multiple Airlines Logo
2:30 pm - 11:00 pm
CFN
-
JFK
36h 30m
2 stops
$872Multiple Airlines
Wed, Oct 21 - Mon, Oct 26
Aer Lingus Logo
9:05 pm - 2:00 pm
JFK
-
CFN
11h 55m
1 stop
Aer Lingus Logo
2:30 pm - 7:20 pm
CFN
-
JFK
9h 50m
1 stop
$919Aer Lingus
Wed, Sep 9 - Wed, Sep 16
British Airways Logo
7:50 am - 2:00 pm
JFK
-
CFN
25h 10m
2 stops
British Airways Logo
2:30 pm - 1:05 pm
CFN
-
JFK
27h 35m
2 stops
$1,022British Airways
Thu, Sep 10 - Mon, Sep 14
British Airways Logo
7:50 am - 2:00 pm
JFK
-
CFN
25h 10m
2 stops
British Airways Logo
2:30 pm - 1:05 pm
CFN
-
JFK
27h 35m
2 stops
$1,023British Airways
Thu, Sep 10 - Mon, Sep 14
British Airways Logo
6:40 pm - 2:00 pm
DEN
-
CFN
36h 20m
2 stops
British Airways Logo
2:30 pm - 4:30 pm
CFN
-
DEN
57h 00m
2 stops
$1,199British Airways
Wed, Aug 19 - Sun, Aug 23

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 July 27, 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
Quickest round-trip

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 10/21

11:55 pm-2:00 pm

1 stop9h 05m

Donegal

Mon 10/26

8:00 am-2:55 pm

1 stop10h 55m

$757

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 9/9

11:55 pm-2:00 pm

1 stop9h 05m

Donegal

Wed 9/16

7:55 am-10:30 pm

2 stops43h 35m

$826

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Wed 9/9

9:00 pm-8:00 pm

1 stop17h 00m

Donegal

Wed 9/16

7:55 am-7:15 pm

1 stop17h 20m

$850

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 9/2

9:05 pm-8:00 pm

1 stop17h 55m

Donegal

Fri 9/18

2:30 pm-10:25 pm

1 stop12h 55m

$852

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Wed 9/9

9:00 pm-2:00 pm

1 stop11h 00m

Donegal

Wed 9/16

7:55 am-7:15 pm

1 stop17h 20m

$859

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 10/21

11:55 pm-2:00 pm

1 stop9h 05m

Donegal

Mon 10/26

2:30 pm-11:00 pm

2 stops36h 30m

$872

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 9/9

9:05 pm-2:00 pm

1 stop11h 55m

Donegal

Wed 9/16

2:30 pm-7:20 pm

1 stop9h 50m

$919

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Thu 9/10

7:50 am-2:00 pm

2 stops25h 10m

Donegal

Mon 9/14

2:30 pm-1:05 pm

2 stops27h 35m

$1,022

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Thu 9/10

7:50 am-2:00 pm

2 stops25h 10m

Donegal

Mon 9/14

2:30 pm-1:05 pm

2 stops27h 35m

$1,023

DenverDonegal

DEN - CFN

DENCFN

Denver Intl

Wed 8/19

6:40 pm-2:00 pm

2 stops36h 20m

Donegal

Sun 8/23

2:30 pm-4:30 pm

2 stops57h 00m

$1,199

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 13h 10m on average. On the other hand, flying from San Francisco to Knock takes 20h 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

$757

Fastest flight time

9h 05m
The best round-trip flight price to Donegal from United States in the last 5 days is $757 (New York John F Kennedy Intl to Donegal).
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The fastest flight to Donegal from United States takes 9h 05m (New York John F Kennedy 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 $101/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 July 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
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 $1,032
San Francisco to Donegal Flightsfrom $1,096
Chicago to Donegal Flightsfrom $850
New York to Donegal Flightsfrom $826