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Cheap flights from the United States to Donegal from €696

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 2/6. 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
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
20:30 - 14:00
JFK
-
CFN
12h 30m
2 stops
Multiple Airlines Logo
14:30 - 20:05
CFN
-
JFK
34h 35m
3 stops
€696Multiple Airlines
Tue, 2 Jun - Wed, 10 Jun
Multiple Airlines Logo
23:10 - 20:00
JFK
-
CFN
15h 50m
3 stops
Multiple Airlines Logo
14:30 - 20:05
CFN
-
JFK
34h 35m
3 stops
€735Multiple Airlines
Tue, 2 Jun - Wed, 10 Jun
Aer Lingus Logo
21:05 - 20:00
JFK
-
CFN
17h 55m
1 stop
Aer Lingus Logo
07:55 - 13:40
CFN
-
JFK
10h 45m
1 stop
€781Aer Lingus
Tue, 2 Jun - Wed, 10 Jun
Aer Lingus Logo
16:55 - 14:00
JFK
-
CFN
16h 05m
1 stop
Aer Lingus Logo
14:30 - 19:20
CFN
-
JFK
9h 50m
1 stop
€784Aer Lingus
Tue, 2 Jun - Wed, 10 Jun
Multiple Airlines Logo
16:30 - 14:00
JFK
-
CFN
16h 30m
2 stops
Multiple Airlines Logo
14:30 - 19:20
CFN
-
JFK
9h 50m
1 stop
€788Multiple Airlines
Sun, 11 Oct - Sun, 18 Oct
Aer Lingus Logo
21:05 - 14:00
JFK
-
CFN
11h 55m
1 stop
Aer Lingus Logo
14:30 - 22:25
CFN
-
JFK
12h 55m
1 stop
€792Aer Lingus
Wed, 15 Jul - Wed, 29 Jul
Aer Lingus Logo
21:05 - 14:00
JFK
-
CFN
11h 55m
1 stop
Aer Lingus Logo
14:30 - 21:51
CFN
-
JFK
12h 21m
2 stops
€804Aer Lingus
Wed, 15 Jul - Wed, 29 Jul
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
€810Multiple Airlines
Wed, 15 Jul - Wed, 29 Jul
Multiple Airlines Logo
23:55 - 14:00
JFK
-
CFN
9h 05m
1 stop
Multiple Airlines Logo
14:30 - 22:25
CFN
-
JFK
12h 55m
1 stop
€810Multiple Airlines
Wed, 15 Jul - Wed, 29 Jul
British Airways Logo
21:35 - 14:00
BWI
-
CFN
35h 25m
2 stops
British Airways Logo
14:30 - 19:40
CFN
-
BWI
34h 10m
2 stops
€1,594British Airways
Sun, 14 Jun - Sun, 21 Jun

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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
2 Jun
JFK21:05New York John F Kennedy Intl
17h 55m
1 stop
CFN20:00Donegal
10 Jun
CFN07:55Donegal
10h 45m
1 stop
JFK13:40New York John F Kennedy Intl
€781
Aer Lingus
2 Jun
JFK16:55New York John F Kennedy Intl
16h 05m
1 stop
CFN14:00Donegal
10 Jun
CFN14:30Donegal
9h 50m
1 stop
JFK19:20New York John F Kennedy Intl
€784
Aer Lingus
15 Jul
JFK21:05New York John F Kennedy Intl
11h 55m
1 stop
CFN14:00Donegal
29 Jul
CFN14:30Donegal
12h 55m
1 stop
JFK22:25New York John F Kennedy Intl
€792

British Airways flights from United States to Donegal

Our best British Airways deals on United States to Donegal flight tickets
British Airways
4 Jul
IAD22:25Washington, D.C. Dulles Intl
34h 35m
2 stops
CFN14:00Donegal
24 Jul
CFN14:30Donegal
31h 55m
2 stops
IAD17:25Washington, D.C. Dulles Intl
€1,333
British Airways
14 Jun
BWI21:35Baltimore/Washington
35h 25m
2 stops
CFN14:00Donegal
21 Jun
CFN14:30Donegal
34h 10m
2 stops
BWI19:40Baltimore/Washington
€1,594

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 5 May 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

Tue 2/6

20:30-14:00

2 stops12h 30m

Donegal

Wed 10/6

14:30-20:05

3 stops34h 35m

€696

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Tue 2/6

23:10-20:00

3 stops15h 50m

Donegal

Wed 10/6

14:30-20:05

3 stops34h 35m

€735

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Tue 2/6

21:05-20:00

1 stop17h 55m

Donegal

Wed 10/6

07:55-13:40

1 stop10h 45m

€781

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Tue 2/6

16:55-14:00

1 stop16h 05m

Donegal

Wed 10/6

14:30-19:20

1 stop9h 50m

€784

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Sun 11/10

16:30-14:00

2 stops16h 30m

Donegal

Sun 18/10

14:30-19:20

1 stop9h 50m

€788

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 15/7

21:05-14:00

1 stop11h 55m

Donegal

Wed 29/7

14:30-22:25

1 stop12h 55m

€792

New YorkDonegal

JFK - CFN

JFKCFN

New York John F Kennedy Intl

Wed 15/7

21:05-14:00

1 stop11h 55m

Donegal

Wed 29/7

14:30-21:51

2 stops12h 21m

€804
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

€810

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

14:30-22:25

1 stop12h 55m

€810

BaltimoreDonegal

BWI - CFN

BWICFN

Baltimore/Washington

Sun 14/6

21:35-14:00

2 stops35h 25m

Donegal

Sun 21/6

14:30-19:40

2 stops34h 10m

€1,594

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 10h 40m on average, while flying from San Francisco to Knock is 18h 11m 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

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.
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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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