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Cheap flights from the United States to Donegal from €278

This is the cheapest one-way 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 3/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from the United States to Donegal

Recent return flight deals from the United States to Donegal

Enter your travel dates to find the best prices.
Aer Lingus Logo
20:55 - 20:00
IAD
-
CFN
18h 05m
1 stop
Aer Lingus Logo
08:00 - 15:45
CFN
-
IAD
12h 45m
1 stop
€623Aer Lingus
Fri, 3 Apr - Fri, 10 Apr
Multiple Airlines Logo
23:55 - 20:00
JFK
-
CFN
15h 05m
1 stop
Multiple Airlines Logo
08:00 - 22:30
CFN
-
JFK
19h 30m
2 stops
€626Multiple Airlines
Thu, 16 Apr - Thu, 23 Apr
Aer Lingus Logo
23:55 - 20:00
JFK
-
CFN
15h 05m
1 stop
Aer Lingus Logo
20:30 - 13:40
CFN
-
JFK
22h 10m
1 stop
€661Aer Lingus
Thu, 16 Apr - Thu, 23 Apr
Multiple Airlines Logo
16:55 - 07:35
JFK
-
CFN
9h 40m
1 stop
Multiple Airlines Logo
20:30 - 13:40
CFN
-
JFK
22h 10m
1 stop
€709Multiple Airlines
Mon, 3 Aug - Fri, 7 Aug
Aer Lingus Logo
22:40 - 20:00
JFK
-
CFN
16h 20m
2 stops
Aer Lingus Logo
08:00 - 18:25
CFN
-
JFK
15h 25m
2 stops
€714Aer Lingus
Thu, 16 Apr - Thu, 23 Apr
Multiple Airlines Logo
15:19 - 07:35
JFK
-
CFN
35h 16m
2 stops
Multiple Airlines Logo
20:30 - 14:30
CFN
-
JFK
23h 00m
2 stops
€729Multiple Airlines
Mon, 3 Aug - Fri, 7 Aug
Multiple Airlines Logo
15:45 - 07:35
ORD
-
CFN
9h 50m
1 stop
Multiple Airlines Logo
08:00 - 19:15
CFN
-
ORD
17h 15m
1 stop
€730Multiple Airlines
Fri, 17 Apr - Fri, 24 Apr
Aer Lingus Logo
15:45 - 07:35
ORD
-
CFN
9h 50m
1 stop
Aer Lingus Logo
08:00 - 06:19
CFN
-
ORD
28h 19m
2 stops
€750Aer Lingus
Fri, 17 Apr - Fri, 24 Apr
Multiple Airlines Logo
20:35 - 07:35
ORD
-
CFN
29h 00m
2 stops
Multiple Airlines Logo
20:30 - 17:35
CFN
-
ORD
27h 05m
2 stops
€815Multiple Airlines
Fri, 17 Apr - Fri, 24 Apr
Multiple Airlines Logo
17:15 - 07:35
IAD
-
CFN
9h 20m
1 stop
Multiple Airlines Logo
08:00 - 15:45
CFN
-
IAD
12h 45m
1 stop
€822Multiple Airlines
Fri, 3 Apr - Fri, 10 Apr

Aer Lingus flights from United States to Donegal

Our best Aer Lingus deals on United States to Donegal flight tickets
Aer Lingus
3 Apr
IAD20:55Washington, D.C. Dulles Intl
18h 05m
1 stop
CFN20:00Donegal
10 Apr
CFN08:00Donegal
12h 45m
1 stop
IAD15:45Washington, D.C. Dulles Intl
€623
Aer Lingus
16 Apr
JFK23:55New York John F Kennedy Intl
15h 05m
1 stop
CFN20:00Donegal
23 Apr
CFN20:30Donegal
22h 10m
1 stop
JFK13:40New York John F Kennedy Intl
€661
Aer Lingus
16 Apr
JFK22:40New York John F Kennedy Intl
16h 20m
2 stops
CFN20:00Donegal
23 Apr
CFN08:00Donegal
15h 25m
2 stops
JFK18:25New York John F Kennedy Intl
€714

momondo Fare Finder

 
Customise 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 13,528 searches. Data last updated 4 March 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

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Fri 3/4

20:55-20:00

1 stop18h 05m

Donegal

Fri 10/4

08:00-15:45

1 stop12h 45m

€623

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Thu 16/4

23:55-20:00

1 stop15h 05m

Donegal

Thu 23/4

08:00-22:30

2 stops19h 30m

€626

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Thu 16/4

23:55-20:00

1 stop15h 05m

Donegal

Thu 23/4

20:30-13:40

1 stop22h 10m

€661

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Mon 3/8

16:55-07:35

1 stop9h 40m

Donegal

Fri 7/8

20:30-13:40

1 stop22h 10m

€709

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Thu 16/4

22:40-20:00

2 stops16h 20m

Donegal

Thu 23/4

08:00-18:25

2 stops15h 25m

€714

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Mon 3/8

15:19-07:35

2 stops35h 16m

Donegal

Fri 7/8

20:30-14:30

2 stops23h 00m

€729

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Fri 17/4

15:45-07:35

1 stop9h 50m

Donegal

Fri 24/4

08:00-19:15

1 stop17h 15m

€730

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Fri 17/4

15:45-07:35

1 stop9h 50m

Donegal

Fri 24/4

08:00-06:19

2 stops28h 19m

€750

ChicagoDonegal

ORD - CFN

ORDCFN

Chicago O'Hare Intl

Fri 17/4

20:35-07:35

2 stops29h 00m

Donegal

Fri 24/4

20:30-17:35

2 stops27h 05m

€815

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Fri 3/4

17:15-07:35

1 stop9h 20m

Donegal

Fri 10/4

08:00-15:45

1 stop12h 45m

€822

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

What is the cheapest airline that flies from United States to Donegal?

Aer Lingus is the most popular carrier operating from United States to Donegal

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

9h 40m

Direct flights

None
The fastest flight from United States to Donegal takes 9h 40m
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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  • When did momondo last update prices for flights from United States to Donegal Airport?

    Prices for flights from United States to Donegal Airport refresh daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to Donegal Airport.

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

    The travel and health documents required for your trip to Donegal Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Donegal Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling 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 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?

Yes. All flights to Donegal from United States on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Yes momondo offers price alerts on flights to Donegal from United States. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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