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Cheap flights from the United States to Donegal from €719

This is the cheapest return 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 15/7. 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
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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
23:55 - 20:00
JFK
-
CFN
15h 05m
1 stop
Aer Lingus Logo
07:55 - 22:25
CFN
-
JFK
19h 30m
1 stop
€719Aer Lingus
Wed, 15 Jul - Wed, 29 Jul
Aer Lingus Logo
21:05 - 20:00
JFK
-
CFN
17h 55m
1 stop
Aer Lingus Logo
14:30 - 19:20
CFN
-
JFK
9h 50m
1 stop
€736Aer Lingus
Mon, 17 Aug - Mon, 24 Aug
Multiple Airlines Logo
23:55 - 14:00
JFK
-
CFN
9h 05m
1 stop
Multiple Airlines Logo
14:30 - 15:55
CFN
-
JFK
30h 25m
2 stops
€774Multiple Airlines
Mon, 17 Aug - Mon, 24 Aug
Multiple Airlines Logo
18:20 - 14:00
JFK
-
CFN
38h 40m
2 stops
Multiple Airlines Logo
14:30 - 13:40
CFN
-
JFK
28h 10m
1 stop
€791Multiple Airlines
Mon, 3 Aug - Mon, 10 Aug
Aer Lingus Logo
19:10 - 14:00
JFK
-
CFN
13h 50m
2 stops
Aer Lingus Logo
07:55 - 17:50
CFN
-
JFK
14h 55m
2 stops
€801Aer Lingus
Wed, 12 Aug - Wed, 19 Aug
Multiple Airlines Logo
18:30 - 14:00
JFK
-
CFN
14h 30m
2 stops
Multiple Airlines Logo
14:30 - 13:19
CFN
-
JFK
51h 49m
2 stops
€808Multiple Airlines
Mon, 17 Aug - Mon, 24 Aug
Aer Lingus Logo
16:55 - 14:00
JFK
-
CFN
16h 05m
1 stop
Aer Lingus Logo
07:55 - 17:50
CFN
-
JFK
14h 55m
2 stops
€823Aer Lingus
Wed, 12 Aug - Wed, 19 Aug
British Airways Logo
17:45 - 14:00
IAD
-
CFN
15h 15m
2 stops
British Airways Logo
14:30 - 17:25
CFN
-
IAD
31h 55m
2 stops
€1,246British Airways
Sun, 30 Aug - Thu, 3 Sep
British Airways Logo
17:45 - 14:00
IAD
-
CFN
15h 15m
2 stops
British Airways Logo
14:30 - 17:25
CFN
-
IAD
31h 55m
2 stops
€1,247British Airways
Sun, 30 Aug - Thu, 3 Sep
British Airways Logo
21:30 - 14:00
BWI
-
CFN
35h 30m
2 stops
British Airways Logo
14:30 - 17:15
CFN
-
BWI
31h 45m
2 stops
€1,289British Airways
Mon, 31 Aug - Fri, 4 Sep

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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
15 Jul
JFK23:55New York John F Kennedy Intl
15h 05m
1 stop
CFN20:00Donegal
29 Jul
CFN07:55Donegal
19h 30m
1 stop
JFK22:25New York John F Kennedy Intl
€719
Aer Lingus
17 Aug
JFK21:05New York John F Kennedy Intl
17h 55m
1 stop
CFN20:00Donegal
24 Aug
CFN14:30Donegal
9h 50m
1 stop
JFK19:20New York John F Kennedy Intl
€736
Aer Lingus
10 Jul
JFK16:55New York John F Kennedy Intl
16h 05m
1 stop
CFN14:00Donegal
14 Jul
CFN14:30Donegal
9h 50m
1 stop
JFK19:20New York John F Kennedy Intl
€765

British Airways flights from United States to Donegal

Our best British Airways deals on United States to Donegal flight tickets
British Airways
31 Aug
JFK18:40New York John F Kennedy Intl
14h 20m
2 stops
CFN14:00Donegal
4 Sept
CFN14:30Donegal
31h 29m
2 stops
JFK16:59New York John F Kennedy Intl
€907
British Airways
31 Aug
JFK18:10New York John F Kennedy Intl
14h 50m
2 stops
CFN14:00Donegal
4 Sept
CFN14:30Donegal
27h 35m
2 stops
JFK13:05New York John F Kennedy Intl
€908
British Airways
15 Jul
JFK09:30New York John F Kennedy Intl
23h 30m
2 stops
CFN14:00Donegal
29 Jul
CFN14:30Donegal
29h 50m
2 stops
JFK15:20New York John F Kennedy Intl
€958

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 July 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

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

07:55-22:25

1 stop19h 30m

€719
Fastest return journey

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Mon 17/8

21:05-20:00

1 stop17h 55m

Donegal

Mon 24/8

14:30-19:20

1 stop9h 50m

€736

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Mon 17/8

23:55-14:00

1 stop9h 05m

Donegal

Mon 24/8

14:30-15:55

2 stops30h 25m

€774

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Mon 3/8

18:20-14:00

2 stops38h 40m

Donegal

Mon 10/8

14:30-13:40

1 stop28h 10m

€791

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 12/8

19:10-14:00

2 stops13h 50m

Donegal

Wed 19/8

07:55-17:50

2 stops14h 55m

€801

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Mon 17/8

18:30-14:00

2 stops14h 30m

Donegal

Mon 24/8

14:30-13:19

2 stops51h 49m

€808

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 12/8

16:55-14:00

1 stop16h 05m

Donegal

Wed 19/8

07:55-17:50

2 stops14h 55m

€823

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sun 30/8

17:45-14:00

2 stops15h 15m

Donegal

Thu 3/9

14:30-17:25

2 stops31h 55m

€1,246

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sun 30/8

17:45-14:00

2 stops15h 15m

Donegal

Thu 3/9

14:30-17:25

2 stops31h 55m

€1,247

BaltimoreDonegal

BWI - CFN

BWICFN

Baltimore/Washington

Mon 31/8

21:30-14:00

2 stops35h 30m

Donegal

Fri 4/9

14:30-17:15

2 stops31h 45m

€1,289

Flights are sorted by cheapest return 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?

The average flight duration from United States to Donegal depends on which airport you fly into and out of. Flying from New York to Knock is 12h 20m on average, while flying from San Francisco to Knock is 28h 57m on average. Knock is the most popular airport in 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

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 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.

An easier way to manage your Donegal trip

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