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Cheap flights from the United States to Donegal from €328

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 6/6. 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

Recent return flight deals from the United States to Donegal

Enter your travel dates to find the best prices.
Multiple Airlines Logo
23:55 - 14:00
JFK
-
CFN
9h 05m
1 stop
Multiple Airlines Logo
07:55 - 13:40
CFN
-
JFK
10h 45m
1 stop
€868Multiple Airlines
Wed, 15 Jul - Wed, 29 Jul
Multiple Airlines Logo
23:55 - 20:00
JFK
-
CFN
15h 05m
1 stop
Multiple Airlines Logo
08:00 - 13:40
CFN
-
JFK
10h 40m
1 stop
€870Multiple Airlines
Wed, 15 Jul - Wed, 29 Jul
Multiple Airlines Logo
16:55 - 07:35
JFK
-
CFN
9h 40m
1 stop
Multiple Airlines Logo
08:00 - 13:40
CFN
-
JFK
10h 40m
1 stop
€872Multiple Airlines
Wed, 15 Jul - Wed, 29 Jul
Multiple Airlines Logo
13:20 - 20:00
IAD
-
CFN
25h 40m
2 stops
Multiple Airlines Logo
08:00 - 11:35
CFN
-
IAD
32h 35m
2 stops
€891Multiple Airlines
Wed, 13 May - Wed, 20 May
Multiple Airlines Logo
16:55 - 07:35
JFK
-
CFN
9h 40m
1 stop
Multiple Airlines Logo
20:30 - 20:04
CFN
-
JFK
28h 34m
2 stops
€907Multiple Airlines
Sat, 16 May - Sat, 23 May
Multiple Airlines Logo
22:40 - 20:00
JFK
-
CFN
16h 20m
2 stops
Multiple Airlines Logo
20:30 - 13:40
CFN
-
JFK
22h 10m
1 stop
€916Multiple Airlines
Wed, 15 Jul - Wed, 29 Jul
Multiple Airlines Logo
23:55 - 20:00
JFK
-
CFN
15h 05m
1 stop
Multiple Airlines Logo
08:00 - 18:20
CFN
-
JFK
15h 20m
2 stops
€926Multiple Airlines
Wed, 15 Jul - Wed, 29 Jul
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
€937Aer Lingus
Wed, 13 May - Wed, 20 May
Multiple Airlines Logo
22:40 - 20:00
JFK
-
CFN
16h 20m
2 stops
Multiple Airlines Logo
08:00 - 18:20
CFN
-
JFK
15h 20m
2 stops
€938Multiple Airlines
Wed, 15 Jul - Wed, 29 Jul
Aer Lingus Logo
17:15 - 20:00
IAD
-
CFN
21h 45m
1 stop
Aer Lingus Logo
20:30 - 15:45
CFN
-
IAD
24h 15m
1 stop
€1,224Aer Lingus
Tue, 30 Jun - Sat, 11 Jul

Aer Lingus flights from United States to Donegal

Our best Aer Lingus deals on United States to Donegal flight tickets
Aer Lingus
13 May
IAD20:55Washington, D.C. Dulles Intl
18h 05m
1 stop
CFN20:00Donegal
20 May
CFN08:00Donegal
12h 45m
1 stop
IAD15:45Washington, D.C. Dulles Intl
€937
Aer Lingus
30 Jun
IAD17:15Washington, D.C. Dulles Intl
21h 45m
1 stop
CFN20:00Donegal
11 Jul
CFN20:30Donegal
24h 15m
1 stop
IAD15:45Washington, D.C. Dulles Intl
€1,224
Aer Lingus
30 Jun
BWI21:30Baltimore/Washington
29h 05m
2 stops
CFN07:35Donegal
6 Jul
CFN20:30Donegal
52h 10m
2 stops
BWI19:40Baltimore/Washington
€1,397

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 3 April 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 return flight
Fastest return journey

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 15/7

23:55-14:00

1 stop9h 05m

Donegal

Wed 29/7

07:55-13:40

1 stop10h 45m

€868

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 15/7

23:55-20:00

1 stop15h 05m

Donegal

Wed 29/7

08:00-13:40

1 stop10h 40m

€870

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 15/7

16:55-07:35

1 stop9h 40m

Donegal

Wed 29/7

08:00-13:40

1 stop10h 40m

€872

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Wed 13/5

13:20-20:00

2 stops25h 40m

Donegal

Wed 20/5

08:00-11:35

2 stops32h 35m

€891

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Sat 16/5

16:55-07:35

1 stop9h 40m

Donegal

Sat 23/5

20:30-20:04

2 stops28h 34m

€907

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 15/7

22:40-20:00

2 stops16h 20m

Donegal

Wed 29/7

20:30-13:40

1 stop22h 10m

€916

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 15/7

23:55-20:00

1 stop15h 05m

Donegal

Wed 29/7

08:00-18:20

2 stops15h 20m

€926

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Wed 13/5

20:55-20:00

1 stop18h 05m

Donegal

Wed 20/5

08:00-15:45

1 stop12h 45m

€937

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 15/7

22:40-20:00

2 stops16h 20m

Donegal

Wed 29/7

08:00-18:20

2 stops15h 20m

€938

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Tue 30/6

17:15-20:00

1 stop21h 45m

Donegal

Sat 11/7

20:30-15:45

1 stop24h 15m

€1,224

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 05m

Direct flights

None
The fastest flight from United States to Donegal takes 9h 05m
There are no direct flights from United States to Donegal. There are no popular flight routes from United States to Donegal.
Search flight deals

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 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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