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Cheap flights from Washington, D.C. Dulles Intl Airport to Donegal from €1,160

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 15/11. 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 Washington, D.C. Dulles Intl Airport to Donegal

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
21:45 - 20:00
IAD
-
CFN
17h 15m
2 stops
British Airways Logo
08:00 - 15:35
CFN
-
IAD
36h 35m
2 stops
€1,160British Airways
Sun, 15 Nov - Thu, 19 Nov

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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 14 June 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Donegal that are best for you.

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Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Sun 15/11

21:45-20:00

2 stops17h 15m

Donegal

Thu 19/11

08:00-15:35

2 stops36h 35m

€1,160

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

17h 15m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Donegal takes 17h 15m
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. 17h 15m 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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