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Cheap flights from Washington, D.C. Dulles Intl Airport to Donegal from €907

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 9/9. 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

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
20:55 - 14:00
IAD
-
CFN
12h 05m
1 stop
Multiple Airlines Logo
07:55 - 20:25
CFN
-
IAD
17h 30m
2 stops
€907Multiple Airlines
Wed, 9 Sep - Wed, 16 Sep
British Airways Logo
19:15 - 14:00
IAD
-
CFN
37h 45m
2 stops
British Airways Logo
14:30 - 17:25
CFN
-
IAD
55h 55m
2 stops
€991British Airways
Wed, 14 Oct - Sun, 18 Oct
Multiple Airlines Logo
17:45 - 14:00
IAD
-
CFN
15h 15m
2 stops
Multiple Airlines Logo
14:30 - 15:55
CFN
-
IAD
30h 25m
2 stops
€991Multiple Airlines
Wed, 9 Sep - Wed, 16 Sep
Multiple Airlines Logo
20:55 - 14:00
IAD
-
CFN
12h 05m
1 stop
Multiple Airlines Logo
14:30 - 15:45
CFN
-
IAD
30h 15m
1 stop
€1,004Multiple Airlines
Wed, 9 Sep - Wed, 16 Sep
Multiple Airlines Logo
20:40 - 14:00
IAD
-
CFN
12h 20m
1 stop
Multiple Airlines Logo
07:55 - 19:35
CFN
-
IAD
16h 40m
1 stop
€1,020Multiple Airlines
Thu, 3 Sep - Tue, 8 Sep
Multiple Airlines Logo
20:55 - 14:00
IAD
-
CFN
12h 05m
1 stop
Multiple Airlines Logo
14:30 - 15:45
CFN
-
IAD
30h 15m
1 stop
€1,032Multiple Airlines
Sun, 16 Aug - Sat, 22 Aug
Multiple Airlines Logo
17:15 - 20:00
IAD
-
CFN
21h 45m
1 stop
Multiple Airlines Logo
14:30 - 15:10
CFN
-
IAD
29h 40m
2 stops
€1,040Multiple Airlines
Thu, 3 Sep - Tue, 8 Sep
Multiple Airlines Logo
22:25 - 14:00
IAD
-
CFN
34h 35m
2 stops
Multiple Airlines Logo
14:30 - 15:45
CFN
-
IAD
30h 15m
1 stop
€1,042Multiple Airlines
Sun, 16 Aug - Sat, 22 Aug
British Airways Logo
17:45 - 14:00
IAD
-
CFN
15h 15m
2 stops
British Airways Logo
14:30 - 15:55
CFN
-
IAD
30h 25m
2 stops
€1,086British Airways
Sun, 16 Aug - Sat, 22 Aug
Multiple Airlines Logo
16:20 - 20:00
IAD
-
CFN
22h 40m
3 stops
Multiple Airlines Logo
14:30 - 15:10
CFN
-
IAD
29h 40m
3 stops
€1,097Multiple Airlines
Thu, 3 Sep - Tue, 8 Sep

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British Airways flights from Washington, D.C. Dulles Intl Airport to Donegal

Our best British Airways deals on Washington, D.C. Dulles Intl Airport to Donegal flight tickets
British Airways
14 Oct
IAD19:15Washington, D.C. Dulles Intl
37h 45m
2 stops
CFN14:00Donegal
18 Oct
CFN14:30Donegal
55h 55m
2 stops
IAD17:25Washington, D.C. Dulles Intl
€991
British Airways
16 Aug
IAD17:45Washington, D.C. Dulles Intl
15h 15m
2 stops
CFN14:00Donegal
22 Aug
CFN14:30Donegal
30h 25m
2 stops
IAD15:55Washington, D.C. Dulles Intl
€1,086
British Airways
18 Sept
IAD17:45Washington, D.C. Dulles Intl
15h 15m
2 stops
CFN14:00Donegal
22 Sept
CFN14:30Donegal
34h 10m
2 stops
IAD19:40Washington, D.C. Dulles Intl
€1,148

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 29 July 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

Wed 9/9

20:55-14:00

1 stop12h 05m

Donegal

Wed 16/9

07:55-20:25

2 stops17h 30m

€907

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Wed 14/10

19:15-14:00

2 stops37h 45m

Donegal

Sun 18/10

14:30-17:25

2 stops55h 55m

€991

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Wed 9/9

17:45-14:00

2 stops15h 15m

Donegal

Wed 16/9

14:30-15:55

2 stops30h 25m

€991

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Wed 9/9

20:55-14:00

1 stop12h 05m

Donegal

Wed 16/9

14:30-15:45

1 stop30h 15m

€1,004
Fastest return journey

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Thu 3/9

20:40-14:00

1 stop12h 20m

Donegal

Tue 8/9

07:55-19:35

1 stop16h 40m

€1,020

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sun 16/8

20:55-14:00

1 stop12h 05m

Donegal

Sat 22/8

14:30-15:45

1 stop30h 15m

€1,032

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Thu 3/9

17:15-20:00

1 stop21h 45m

Donegal

Tue 8/9

14:30-15:10

2 stops29h 40m

€1,040

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sun 16/8

22:25-14:00

2 stops34h 35m

Donegal

Sat 22/8

14:30-15:45

1 stop30h 15m

€1,042

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sun 16/8

17:45-14:00

2 stops15h 15m

Donegal

Sat 22/8

14:30-15:55

2 stops30h 25m

€1,086

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Thu 3/9

16:20-20:00

3 stops22h 40m

Donegal

Tue 8/9

14:30-15:10

3 stops29h 40m

€1,097

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

12h 05m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Donegal takes 12h 05m
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.
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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. 12h 05m 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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