Latest deals
Insights
When to book
FAQs
Price Alerts
Flights to Donegal

$758 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 9/20. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 pmJFK  New York John F Kennedy Intl-CFN Donegal
15h 05m1 stop Dublin
Aer Lingus Logo
2:30 pm - 10:25 pmCFN  Donegal-JFK New York John F Kennedy Intl
12h 55m1 stop Dublin
$758Aer Lingus
Sun, Sep 20 - Sun, Sep 27
Multiple Airlines Logo
6:20 pm - 2:00 pmJFK  New York John F Kennedy Intl-CFN Donegal
14h 40m2 stops London Gatwick Dublin
Multiple Airlines Logo
7:55 am - 10:25 pmCFN  Donegal-JFK New York John F Kennedy Intl
19h 30m1 stop Dublin
$858Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Multiple Airlines Logo
6:20 pm - 2:00 pmJFK  New York John F Kennedy Intl-CFN Donegal
14h 40m2 stops London Gatwick Dublin
Multiple Airlines Logo
2:30 pm - 8:05 pmCFN  Donegal-JFK New York John F Kennedy Intl
34h 35m3 stops Dublin Barcelona-El Prat Lisbon Humberto Delgado
$874Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Multiple Airlines Logo
8:30 pm - 8:00 pmJFK  New York John F Kennedy Intl-CFN Donegal
18h 30m3 stops Reykjavik Keflavik Intl London Heathrow Dublin
Multiple Airlines Logo
2:30 pm - 8:05 pmCFN  Donegal-JFK New York John F Kennedy Intl
34h 35m3 stops Dublin Barcelona-El Prat Lisbon Humberto Delgado
$886Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Multiple Airlines Logo
11:55 pm - 8:00 pmJFK  New York John F Kennedy Intl-CFN Donegal
15h 05m1 stop Dublin
Multiple Airlines Logo
2:30 pm - 8:05 pmCFN  Donegal-JFK New York John F Kennedy Intl
34h 35m3 stops Dublin Barcelona-El Prat Lisbon Humberto Delgado
$900Multiple Airlines
Sun, Sep 20 - Sun, Sep 27
Aer Lingus Logo
5:00 pm - 2:00 pmJFK  New York John F Kennedy Intl-CFN Donegal
16h 00m1 stop Dublin
Aer Lingus Logo
2:30 pm - 7:25 pmCFN  Donegal-JFK New York John F Kennedy Intl
9h 55m1 stop Dublin
$911Aer Lingus
Tue, Nov 3 - Tue, Nov 10
Aer Lingus Logo
5:00 pm - 2:00 pmJFK  New York John F Kennedy Intl-CFN Donegal
16h 00m1 stop Dublin
Aer Lingus Logo
8:00 am - 5:20 pmCFN  Donegal-JFK New York John F Kennedy Intl
14h 20m2 stops Dublin Boston Logan Intl
$921Aer Lingus
Tue, Nov 3 - Tue, Nov 10
Aer Lingus Logo
5:00 pm - 2:00 pmJFK  New York John F Kennedy Intl-CFN Donegal
16h 00m1 stop Dublin
Aer Lingus Logo
2:30 pm - 7:25 pmCFN  Donegal-JFK New York John F Kennedy Intl
9h 55m1 stop Dublin
$947Aer Lingus
Wed, Nov 4 - Tue, Nov 10
Aer Lingus Logo
10:00 pm - 2:00 pmJFK  New York John F Kennedy Intl-CFN Donegal
11h 00m1 stop Dublin
Aer Lingus Logo
8:00 am - 7:25 pmCFN  Donegal-JFK New York John F Kennedy Intl
16h 25m1 stop Dublin
$947Aer Lingus
Wed, Nov 4 - Mon, Nov 9
Aer Lingus Logo
10:00 pm - 2:00 pmJFK  New York John F Kennedy Intl-CFN Donegal
11h 00m1 stop Dublin
Aer Lingus Logo
8:00 am - 1:55 pmCFN  Donegal-JFK New York John F Kennedy Intl
10h 55m1 stop Dublin
$947Aer Lingus
Tue, Nov 3 - Mon, Nov 9

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 August 8, 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 New York John F Kennedy Intl - CFN Donegal

JFKCFN

New York John F Kennedy Intl

Sun 9/20

11:55 pm-8:00 pm

1 stop15h 05m

Donegal

Sun 9/27

2:30 pm-10:25 pm

1 stop12h 55m

$758

New YorkDonegal

JFK New York John F Kennedy Intl - CFN Donegal

JFKCFN

New York John F Kennedy Intl

Sun 9/20

6:20 pm-2:00 pm

2 stops14h 40m

Donegal

Sun 9/27

7:55 am-10:25 pm

1 stop19h 30m

$858

New YorkDonegal

JFK New York John F Kennedy Intl - CFN Donegal

JFKCFN

New York John F Kennedy Intl

Sun 9/20

6:20 pm-2:00 pm

2 stops14h 40m

Donegal

Sun 9/27

2:30 pm-8:05 pm

3 stops34h 35m

$874

New YorkDonegal

JFK New York John F Kennedy Intl - CFN Donegal

JFKCFN

New York John F Kennedy Intl

Sun 9/20

8:30 pm-8:00 pm

3 stops18h 30m

Donegal

Sun 9/27

2:30 pm-8:05 pm

3 stops34h 35m

$886

New YorkDonegal

JFK New York John F Kennedy Intl - CFN Donegal

JFKCFN

New York John F Kennedy Intl

Sun 9/20

11:55 pm-8:00 pm

1 stop15h 05m

Donegal

Sun 9/27

2:30 pm-8:05 pm

3 stops34h 35m

$900

New YorkDonegal

JFK New York John F Kennedy Intl - CFN Donegal

JFKCFN

New York John F Kennedy Intl

Tue 11/3

5:00 pm-2:00 pm

1 stop16h 00m

Donegal

Tue 11/10

2:30 pm-7:25 pm

1 stop9h 55m

$911

New YorkDonegal

JFK New York John F Kennedy Intl - CFN Donegal

JFKCFN

New York John F Kennedy Intl

Tue 11/3

5:00 pm-2:00 pm

1 stop16h 00m

Donegal

Tue 11/10

8:00 am-5:20 pm

2 stops14h 20m

$921

New YorkDonegal

JFK New York John F Kennedy Intl - CFN Donegal

JFKCFN

New York John F Kennedy Intl

Wed 11/4

5:00 pm-2:00 pm

1 stop16h 00m

Donegal

Tue 11/10

2:30 pm-7:25 pm

1 stop9h 55m

$947

New YorkDonegal

JFK New York John F Kennedy Intl - CFN Donegal

JFKCFN

New York John F Kennedy Intl

Wed 11/4

10:00 pm-2:00 pm

1 stop11h 00m

Donegal

Mon 11/9

8:00 am-7:25 pm

1 stop16h 25m

$947
Quickest round-trip

New YorkDonegal

JFK New York John F Kennedy Intl - CFN Donegal

JFKCFN

New York John F Kennedy Intl

Tue 11/3

10:00 pm-2:00 pm

1 stop11h 00m

Donegal

Mon 11/9

8:00 am-1:55 pm

1 stop10h 55m

$947

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 11h 20m 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

$758

Fastest flight time

12h 20m
The best round-trip flight price to Donegal from United States in the last 5 days is $758 (New York John F Kennedy Intl to Donegal).
Search Deals
The fastest flight to Donegal from United States takes 12h 20m (San Francisco to Donegal).
Search Deals

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 $93/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 August 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 9/7
Mon 9/14
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Donegal

Popular flights to Donegal

Popular routes according to searches in the past day on momondo
San Francisco to Donegal Flightsfrom $1,121
Washington, D.C. to Donegal Flightsfrom $1,068
Chicago to Donegal Flightsfrom $970
New York to Donegal Flightsfrom $758