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Donegal

$917+ Cheap flights from Dulles Intl (IAD) to Donegal (CFN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CFN
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from Dulles Intl to Donegal

Best flights from Dulles Intl to Donegal
Discover carefully curated flight deals from Dulles Intl to Donegal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 12, 2025.

This Expedia deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 1/256:20 pmIAD - CFN
2 stops14h 40mMultiple Airlines
dom. 2/11:00 pmCFN - IAD
2 stops55h 35mMultiple Airlines
Deal found 12/11$917
This lastminute.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 1/255:05 pmIAD - CFN
1 stop15h 55mAer Lingus
dom. 2/110:00 amCFN - IAD
1 stop10h 35mAer Lingus
Deal found 12/11$972
This British Airways deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 1/276:20 pmIAD - CFN
2 stops20h 40mBritish Airways
vie. 1/307:55 amCFN - IAD
2 stops17h 00mBritish Airways
Deal found 12/11$1,100

Find flight deals from Dulles Intl to Donegal

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Donegal (CFN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$917
(Expedia)
Provider with most accurate pricing for Washington, D.C. (WAS)-Donegal flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Donegal flights.
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From Washington, D.C. Dulles Intl to Donegal
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
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

Dulles Intl

Fly to

Donegal

Route

Depart

Return

Price

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

dom. 1/25

6:20 pm-2:00 pm

2 stops14h 40m

Donegal

dom. 2/1

1:00 pm-3:35 pm

2 stops55h 35m

$917

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

dom. 1/25

5:05 pm-2:00 pm

1 stop15h 55m

Donegal

dom. 2/1

10:00 am-3:35 pm

1 stop10h 35m

$972

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

mar. 1/27

6:20 pm-8:00 pm

2 stops20h 40m

Donegal

vie. 1/30

7:55 am-7:55 pm

2 stops17h 00m

$1,100

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Best time to book a flight from Dulles Intl to Donegal

Have a flexible travel schedule? Discover the best time to fly to Donegal from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Donegal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Donegal from Washington, D.C. Dulles Intl?

    Located just 28.5 mi from the city center, Donegal is the airport most travelers will use when flying to Donegal from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Donegal (CFN) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 0 different airlines.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Donegal?

    A quick flight from Washington, D.C. Dulles Intl Airport to Donegal can take about 15h 55m. Aer Lingus provides one of the quickest options available for as low as $972. The distance from Washington, D.C. Dulles Intl Airport to Donegal is about 3288 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Dulles Intl to Donegal that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Donegal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Donegal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Donegal.

  • Can I find deals for business class flights from Dulles Intl to Donegal?

    Yes. Cheapflights offers flight deals from Dulles Intl to Donegal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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