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Flights to Donegal

$821 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 7/15. 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.
Aer Lingus Logo
11:55 pm - 8:00 pm
JFK
-
CFN
15h 05m
1 stop
Aer Lingus Logo
7:55 am - 10:25 pm
CFN
-
JFK
19h 30m
1 stop
$821Aer Lingus
Wed, Jul 15 - Wed, Jul 29
Aer Lingus Logo
7:10 pm - 2:00 pm
JFK
-
CFN
13h 50m
2 stops
Aer Lingus Logo
7:55 am - 5:50 pm
CFN
-
JFK
14h 55m
2 stops
$914Aer Lingus
Wed, Aug 12 - Wed, Aug 19
Aer Lingus Logo
4:55 pm - 2:00 pm
JFK
-
CFN
16h 05m
1 stop
Aer Lingus Logo
7:55 am - 5:50 pm
CFN
-
JFK
14h 55m
2 stops
$940Aer Lingus
Wed, Aug 12 - Wed, Aug 19
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
$1,001Aer Lingus
Wed, Aug 12 - Wed, Aug 19
Aer Lingus Logo
4:55 pm - 2:00 pm
JFK
-
CFN
16h 05m
2 stops
Aer Lingus Logo
7:55 am - 1:40 pm
CFN
-
JFK
10h 45m
1 stop
$1,012Aer Lingus
Wed, Jul 15 - Wed, Jul 29
Aer Lingus Logo
4:55 pm - 2:00 pm
JFK
-
CFN
16h 05m
2 stops
Aer Lingus Logo
7:55 am - 10:25 pm
CFN
-
JFK
19h 30m
1 stop
$1,013Aer Lingus
Wed, Jul 15 - Wed, Jul 29
British Airways Logo
6:40 pm - 2:00 pm
JFK
-
CFN
14h 20m
2 stops
British Airways Logo
2:30 pm - 4:59 pm
CFN
-
JFK
31h 29m
2 stops
$1,035British Airways
Mon, Aug 31 - Fri, Sep 4
British Airways Logo
6:40 pm - 2:00 pm
JFK
-
CFN
14h 20m
2 stops
British Airways Logo
2:30 pm - 4:59 pm
CFN
-
JFK
31h 29m
2 stops
$1,037British Airways
Mon, Aug 31 - Fri, Sep 4
Multiple Airlines Logo
5:40 pm - 8:00 pm
SFO
-
CFN
18h 20m
1 stop
Multiple Airlines Logo
2:30 pm - 1:50 pm
CFN
-
SFO
31h 20m
2 stops
$1,193Multiple Airlines
Sat, Jul 18 - Wed, Jul 22
British Airways Logo
5:45 pm - 2:00 pm
IAD
-
CFN
15h 15m
2 stops
British Airways Logo
2:30 pm - 5:25 pm
CFN
-
IAD
31h 55m
2 stops
$1,422British Airways
Sun, Aug 30 - Thu, Sep 3

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 3, 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

Wed 7/15

11:55 pm-8:00 pm

1 stop15h 05m

Donegal

Wed 7/29

7:55 am-10:25 pm

1 stop19h 30m

$821

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 8/12

7:10 pm-2:00 pm

2 stops13h 50m

Donegal

Wed 8/19

7:55 am-5:50 pm

2 stops14h 55m

$914

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 8/12

4:55 pm-2:00 pm

1 stop16h 05m

Donegal

Wed 8/19

7:55 am-5:50 pm

2 stops14h 55m

$940
Quickest round-trip

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 8/12

4:55 pm-2:00 pm

1 stop16h 05m

Donegal

Wed 8/19

2:30 pm-7:20 pm

1 stop9h 50m

$1,001

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 7/15

4:55 pm-2:00 pm

2 stops16h 05m

Donegal

Wed 7/29

7:55 am-1:40 pm

1 stop10h 45m

$1,012

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 7/15

4:55 pm-2:00 pm

2 stops16h 05m

Donegal

Wed 7/29

7:55 am-10:25 pm

1 stop19h 30m

$1,013

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Mon 8/31

6:40 pm-2:00 pm

2 stops14h 20m

Donegal

Fri 9/4

2:30 pm-4:59 pm

2 stops31h 29m

$1,035

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Mon 8/31

6:40 pm-2:00 pm

2 stops14h 20m

Donegal

Fri 9/4

2:30 pm-4:59 pm

2 stops31h 29m

$1,037

San FranciscoDonegal

SFO - CFN

SFOCFN

San Francisco

Sat 7/18

5:40 pm-8:00 pm

1 stop18h 20m

Donegal

Wed 7/22

2:30 pm-1:50 pm

2 stops31h 20m

$1,193

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sun 8/30

5:45 pm-2:00 pm

2 stops15h 15m

Donegal

Thu 9/3

2:30 pm-5:25 pm

2 stops31h 55m

$1,422

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 20m on average. On the other hand, flying from San Francisco to Knock takes 28h 57m 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

$821

Fastest flight time

11h 00m
The best round-trip flight price to Donegal from United States in the last 5 days is $821 (New York John F Kennedy Intl to Donegal).
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The fastest flight to Donegal from United States takes 11h 00m (Chicago O'Hare 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 $71/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
New York to Donegal Flightsfrom $821
Washington, D.C. to Donegal Flightsfrom $1,422
Chicago to Donegal Flightsfrom $1,102
San Francisco to Donegal Flightsfrom $1,043