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Cheap flights from the United States to Donegal from $823

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Donegal departing on 11/7. 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

Find the cheapest flights from the United States to Donegal

Recent round-trip flight deals from the United States to Donegal

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:10 pm - 2:00 pm-
11h 50m
Multiple Airlines Logo
8:00 am - 10:00 pm-
19h 00m
$823Multiple Airlines
Sat, Nov 7 - Sat, Nov 14
Aer Lingus Logo
9:00 pm - 2:00 pm-
11h 00m
Aer Lingus Logo
7:55 am - 7:15 pm-
17h 20m
$908Aer Lingus
Mon, Sep 14 - Mon, Sep 21
Aer Lingus Logo
5:00 pm - 2:00 pm-
16h 00m
Aer Lingus Logo
2:30 pm - 7:25 pm-
9h 55m
$911Aer Lingus
Tue, Nov 3 - Tue, Nov 10
Aer Lingus Logo
5:00 pm - 2:00 pm-
16h 00m
Aer Lingus Logo
8:00 am - 5:20 pm-
14h 20m
$921Aer Lingus
Tue, Nov 3 - Tue, Nov 10
Aer Lingus Logo
10:00 pm - 2:00 pm-
11h 00m
Aer Lingus Logo
8:00 am - 7:25 pm-
16h 25m
$947Aer Lingus
Wed, Nov 4 - Mon, Nov 9
Aer Lingus Logo
10:00 pm - 2:00 pm-
11h 00m
Aer Lingus Logo
2:30 pm - 9:54 pm-
12h 24m
$951Aer Lingus
Wed, Nov 4 - Tue, Nov 10
Aer Lingus Logo
9:10 pm - 2:00 pm-
11h 50m
Aer Lingus Logo
8:00 am - 4:50 pm-
13h 50m
$953Aer Lingus
Mon, Nov 2 - Tue, Nov 10
Aer Lingus Logo
9:00 pm - 2:00 pm-
11h 00m
Aer Lingus Logo
7:55 am - 7:15 pm-
17h 20m
$955Aer Lingus
Wed, Sep 16 - Wed, Sep 23
Aer Lingus Logo
9:50 pm - 8:00 pm-
17h 10m
Aer Lingus Logo
8:00 am - 5:20 pm-
14h 20m
$956Aer Lingus
Tue, Nov 3 - Tue, Nov 10
Aer Lingus Logo
9:10 pm - 2:00 pm-
11h 50m
Aer Lingus Logo
2:30 pm - 7:25 pm-
9h 55m
$973Aer Lingus
Thu, Nov 5 - Thu, Nov 12

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Aer Lingus flights from United States to Donegal

Our best Aer Lingus deals on United States to Donegal flight tickets
Aer Lingus
Sep 14
ORD9:00 pmChicago O'Hare Intl
11h 00m
1 stop
CFN2:00 pmDonegal
Sep 21
CFN7:55 amDonegal
17h 20m
1 stop
ORD7:15 pmChicago O'Hare Intl
$908
Aer Lingus
Nov 3
JFK5:00 pmNew York John F Kennedy Intl
16h 00m
1 stop
CFN2:00 pmDonegal
Nov 10
CFN2:30 pmDonegal
9h 55m
1 stop
JFK7:25 pmNew York John F Kennedy Intl
$911
Aer Lingus
Nov 3
JFK5:00 pmNew York John F Kennedy Intl
16h 00m
1 stop
CFN2:00 pmDonegal
Nov 10
CFN8:00 amDonegal
14h 20m
2 stops
JFK5:20 pmNew York John F Kennedy Intl
$921

British Airways flights from United States to Donegal

Our best British Airways deals on United States to Donegal flight tickets
British Airways
Nov 17
JFK6:10 pmNew York John F Kennedy Intl
14h 50m
2 stops
CFN2:00 pmDonegal
Nov 21
CFN8:00 amDonegal
15h 45m
2 stops
JFK6:45 pmNew York John F Kennedy Intl
$1,015
British Airways
Sep 10
JFK6:20 pmNew York John F Kennedy Intl
14h 40m
2 stops
CFN2:00 pmDonegal
Sep 14
CFN2:30 pmDonegal
31h 30m
2 stops
JFK5:00 pmNew York John F Kennedy Intl
$1,017
British Airways
Dec 9
BWI6:55 pmBaltimore/Washington
20h 05m
2 stops
CFN8:00 pmDonegal
Dec 13
CFN2:30 pmDonegal
55h 35m
2 stops
BWI5:05 pmBaltimore/Washington
$1,068

momondo Fare Finder

 
Customize your flight search to find flights from United States to Donegal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 5, 2026.
Use the filters below to find and compare flights from the United States to Donegal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Sat 11/7

9:10 pm-2:00 pm

1 stop11h 50m

Donegal

Sat 11/14

8:00 am-10:00 pm

2 stops19h 00m

$823

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Mon 9/14

9:00 pm-2:00 pm

1 stop11h 00m

Donegal

Mon 9/21

7:55 am-7:15 pm

1 stop17h 20m

$908

New YorkDonegal

JFK - CFN

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 - CFN

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 - CFN

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

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 11/4

10:00 pm-2:00 pm

1 stop11h 00m

Donegal

Tue 11/10

2:30 pm-9:54 pm

2 stops12h 24m

$951

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Mon 11/2

9:10 pm-2:00 pm

1 stop11h 50m

Donegal

Tue 11/10

8:00 am-4:50 pm

1 stop13h 50m

$953

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Wed 9/16

9:00 pm-2:00 pm

1 stop11h 00m

Donegal

Wed 9/23

7:55 am-7:15 pm

1 stop17h 20m

$955

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Tue 11/3

9:50 pm-8:00 pm

2 stops17h 10m

Donegal

Tue 11/10

8:00 am-5:20 pm

2 stops14h 20m

$956
Quickest round-trip

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Thu 11/5

9:10 pm-2:00 pm

1 stop11h 50m

Donegal

Thu 11/12

2:30 pm-7:25 pm

1 stop9h 55m

$973

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Donegal from

How to get the cheapest flight ticket from United States to Donegal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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 10h 20m on average. On the other hand, flying from San Francisco to Knock takes 21h 55m 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 United States to Donegal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Donegal

Fastest flight time

11h 00m

Direct flights

None
The fastest flight from United States to Donegal takes 11h 00m
There are no direct flights from United States to Donegal. There are no popular flight routes from United States to Donegal.
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Frequently asked questions about flying from the United States to Donegal

  • When did momondo last update prices for flights from United States to Donegal Airport?

    Prices for flights from United States to Donegal Airport are updated daily.

  • How old do you have to be to fly from United States 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 from United States to Donegal Airport.

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

    The necessary travel and health documents for your Donegal Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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 from United States to Donegal?

Finding the right flight to Donegal from United States is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that 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 from United States to Donegal with flexible booking policies on momondo?

momondo does allow users to show only those flights to Donegal from United States which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from United States to Donegal?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Donegal from United States.

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

Price alerts on flights to Donegal from United States are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Fri 9/4
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