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Cheap flights from Washington, D.C. Dulles Intl Airport to Donegal from €1,212

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Donegal departing on 23/5. 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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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Donegal

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:45 - 14:00
IAD
-
CFN
17h 15m
3 stops
Multiple Airlines Logo
07:55 - 19:00
CFN
-
IAD
16h 05m
1 stop
€1,212Multiple Airlines
Sat, 23 May - Sat, 30 May
Multiple Airlines Logo
22:35 - 20:00
IAD
-
CFN
16h 25m
1 stop
Multiple Airlines Logo
07:55 - 15:30
CFN
-
IAD
12h 35m
1 stop
€1,216Multiple Airlines
Fri, 22 May - Fri, 29 May
Multiple Airlines Logo
15:45 - 14:00
IAD
-
CFN
17h 15m
3 stops
Multiple Airlines Logo
07:55 - 21:13
CFN
-
IAD
42h 18m
3 stops
€1,221Multiple Airlines
Sat, 23 May - Sat, 30 May
Multiple Airlines Logo
16:05 - 14:00
IAD
-
CFN
16h 55m
2 stops
Multiple Airlines Logo
07:55 - 15:29
CFN
-
IAD
36h 34m
3 stops
€1,249Multiple Airlines
Fri, 22 May - Fri, 29 May
Multiple Airlines Logo
17:35 - 14:00
IAD
-
CFN
15h 25m
2 stops
Multiple Airlines Logo
14:30 - 15:45
CFN
-
IAD
30h 15m
2 stops
€1,265Multiple Airlines
Sat, 23 May - Sat, 30 May
Aer Lingus Logo
20:55 - 14:00
IAD
-
CFN
12h 05m
1 stop
Aer Lingus Logo
07:55 - 15:45
CFN
-
IAD
12h 50m
1 stop
€1,278Aer Lingus
Sun, 3 May - Sun, 10 May
Multiple Airlines Logo
19:00 - 14:00
IAD
-
CFN
38h 00m
2 stops
Multiple Airlines Logo
07:55 - 15:45
CFN
-
IAD
12h 50m
1 stop
€1,288Multiple Airlines
Fri, 22 May - Fri, 29 May
Multiple Airlines Logo
16:05 - 14:00
IAD
-
CFN
16h 55m
2 stops
Multiple Airlines Logo
07:55 - 21:13
CFN
-
IAD
42h 18m
3 stops
€1,293Multiple Airlines
Sat, 23 May - Sat, 30 May
Multiple Airlines Logo
16:05 - 14:00
IAD
-
CFN
16h 55m
2 stops
Multiple Airlines Logo
07:55 - 19:00
CFN
-
IAD
16h 05m
1 stop
€1,294Multiple Airlines
Sat, 23 May - Sat, 30 May
Multiple Airlines Logo
17:35 - 14:00
IAD
-
CFN
15h 25m
2 stops
Multiple Airlines Logo
07:55 - 15:45
CFN
-
IAD
12h 50m
1 stop
€1,301Multiple Airlines
Sun, 3 May - Sun, 10 May

Aer Lingus flights from Washington, D.C. Dulles Intl Airport to Donegal

Our best Aer Lingus deals on Washington, D.C. Dulles Intl Airport to Donegal flight tickets
Aer Lingus
11 Apr
IAD20:40Washington, D.C. Dulles Intl
29h 55m
1 stop
CFN07:35Donegal
18 Apr
CFN20:30Donegal
24h 15m
1 stop
IAD15:45Washington, D.C. Dulles Intl
€1,112
Aer Lingus
3 May
IAD20:55Washington, D.C. Dulles Intl
12h 05m
1 stop
CFN14:00Donegal
10 May
CFN07:55Donegal
12h 50m
1 stop
IAD15:45Washington, D.C. Dulles Intl
€1,278
Aer Lingus
23 May
IAD20:40Washington, D.C. Dulles Intl
12h 20m
1 stop
CFN14:00Donegal
30 May
CFN07:55Donegal
12h 50m
1 stop
IAD15:45Washington, D.C. Dulles Intl
€1,341

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. Dulles Intl Airport 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 8 April 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Donegal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sat 23/5

15:45-14:00

3 stops17h 15m

Donegal

Sat 30/5

07:55-19:00

1 stop16h 05m

€1,212

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Fri 22/5

22:35-20:00

1 stop16h 25m

Donegal

Fri 29/5

07:55-15:30

1 stop12h 35m

€1,216

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sat 23/5

15:45-14:00

3 stops17h 15m

Donegal

Sat 30/5

07:55-21:13

3 stops42h 18m

€1,221

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Fri 22/5

16:05-14:00

2 stops16h 55m

Donegal

Fri 29/5

07:55-15:29

3 stops36h 34m

€1,249

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sat 23/5

17:35-14:00

2 stops15h 25m

Donegal

Sat 30/5

14:30-15:45

2 stops30h 15m

€1,265
Fastest return journey

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sun 3/5

20:55-14:00

1 stop12h 05m

Donegal

Sun 10/5

07:55-15:45

1 stop12h 50m

€1,278

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Fri 22/5

19:00-14:00

2 stops38h 00m

Donegal

Fri 29/5

07:55-15:45

1 stop12h 50m

€1,288

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sat 23/5

16:05-14:00

2 stops16h 55m

Donegal

Sat 30/5

07:55-21:13

3 stops42h 18m

€1,293

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sat 23/5

16:05-14:00

2 stops16h 55m

Donegal

Sat 30/5

07:55-19:00

1 stop16h 05m

€1,294

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sun 3/5

17:35-14:00

2 stops15h 25m

Donegal

Sun 10/5

07:55-15:45

1 stop12h 50m

€1,301

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Washington, D.C. Dulles Intl Airport to Donegal

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Donegal according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Washington, D.C. Dulles Intl Airport to Donegal (IAD to CFN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Donegal

Fastest flight time

16h 25m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Donegal takes 16h 25m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Donegal. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Donegal.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Donegal

  • How far is Washington, D.C. Dulles Intl to Donegal by plane?

    Washington, D.C. Dulles Intl and Donegal are 5313.2 km apart from one another. 16h 25m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Donegal Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Donegal Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Donegal Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Donegal Airport.

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

    The required travel and health documents for your Donegal Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Donegal Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Donegal

  • How do I get Price Alerts for flights from Washington, D.C. Dulles Intl Airport to Donegal?

    Confirm your travel details to search for the latest offers for flights from Washington, D.C. Dulles Intl Airport to Donegal. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Washington, D.C. Dulles Intl Airport to Donegal with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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 Washington, D.C. to Donegal?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Donegal . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Donegal with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Donegal flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Donegal?

Once all potential Washington, D.C. to Donegal flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Donegal right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Donegal flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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