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$863+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CFN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$1,639
(Mytrip)
From Washington, D.C. Dulles Intl to Donegal
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Find flight deals from Dulles Intl to Donegal

Cheapest flights from Dulles Intl to Donegal
Explore the most affordable flight options available from Dulles Intl to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/278:40 pmIAD - CFN
2 stops13h 20mMultiple Airlines
Fri 10/317:55 amCFN - IAD
2 stops15h 25mMultiple Airlines
Deal found 6/10$863
This Gurufare deal was found by Cheapflights users on 6/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2710:00 pmIAD - CFN
1 stop18h 00mAer Lingus
Fri 10/312:30 pmCFN - IAD
1 stop30h 05mAer Lingus
Deal found 6/10$1,030
This Ovago deal was found by Cheapflights users on 6/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/277:15 pmIAD - CFN
2 stops14h 45mBritish Airways
Fri 10/312:30 pmCFN - IAD
2 stops30h 05mBritish Airways
Deal found 6/10$1,119

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 June 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

Mon 10/27

8:40 pm-2:00 pm

2 stops13h 20m

Donegal

Fri 10/31

7:55 am-7:20 pm

2 stops15h 25m

$863

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Mon 10/27

10:00 pm-8:00 pm

1 stop18h 00m

Donegal

Fri 10/31

2:30 pm-4:35 pm

1 stop30h 05m

$1,030

Washington, D.C.Donegal

IAD - CFN

IADCFN

Washington, D.C. Dulles Intl

Mon 10/27

7:15 pm-2:00 pm

2 stops14h 45m

Donegal

Fri 10/31

2:30 pm-4:35 pm

2 stops30h 05m

$1,119

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Donegal

Rainfall in Donegal by month

Plan your trip to Donegal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Donegal ranges from 2.3 - 4.6 inches per month. October is typically the wettest month, when rainfall can reach 4.6 in. April is typically the driest time to visit Donegal when rainfall is around 2.3 in.

Temperature in Donegal by month

Plan your trip to Donegal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Donegal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 57.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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.

  • 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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