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$790+ Cheap flights from Denver (DEN) 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CFN
Dec 16 — Dec 231
Tue 12/16
Tue 12/23
1 adult, Economy
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Find flight deals from Denver to Donegal

Cheapest flights from Denver to Donegal
Explore the most affordable flight options available from Denver to Donegal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 16, 2025.

This British Airways deal was found by Cheapflights users on 11/15. 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.
Fri 12/55:25 pmDEN - CFN
2 stops19h 35mBritish Airways
Tue 12/92:30 pmCFN - DEN
2 stops32h 00mBritish Airways
Deal found 11/15$790

Cheap flight deals from Denver to Donegal

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) 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 November 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$790
(British Airways)
Provider with most accurate pricing for Denver Intl-Donegal flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Donegal flights.
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From Denver Intl to Donegal
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver 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 November 16, 2025.
Use the filters below to find and compare flights from Denver to Donegal that are best for you.

Fly from

Denver

Fly to

Donegal

Route

Depart

Return

Price

DenverDonegal

DEN - CFN

DENCFN

Denver Intl

Fri 12/5

5:25 pm-8:00 pm

2 stops19h 35m

Donegal

Tue 12/9

2:30 pm-3:30 pm

2 stops32h 00m

$790

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/15

Compare providers for flights from Denver to Donegal

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Donegal in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Donegal flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Donegal flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Denver-Donegal flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Donegal flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Donegal flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Donegal

Have a flexible travel schedule? Discover the best time to fly to Donegal from Denver 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 Denver to Donegal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Denver to Donegal?

    Departing from Denver to Donegal will take you 19h 35m. The distance from Denver to Donegal is about 4248 mi.

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

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

  • How can I find direct flights from Denver to Donegal?

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

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

    Yes. Cheapflights offers flight deals from Denver 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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