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Donegal

$885+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CFN
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 July 3, 2025.

Round-trip from

$885
(Cheapflightsfares)
From Denver Intl to Donegal
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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 July 3, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/287:55 pmDEN - CFN
1 stop17h 05mAer Lingus
Sat 8/97:55 amCFN - DEN
1 stop17h 04mAer Lingus
Deal found 7/1$885
This Ovago deal was found by Cheapflights users on 7/3. 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 7/286:35 pmDEN - CFN
2 stops18h 25mBritish Airways
Sat 8/92:30 pmCFN - DEN
2 stops32h 55mBritish Airways
Deal found 7/3$911

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 July 3, 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

Mon 7/28

7:55 pm-8:00 pm

1 stop17h 05m

Donegal

Sat 8/9

7:55 am-5:59 pm

1 stop17h 04m

$885

DenverDonegal

DEN - CFN

DENCFN

Denver Intl

Mon 7/28

6:35 pm-8:00 pm

2 stops18h 25m

Donegal

Sat 8/9

2:30 pm-4:25 pm

2 stops32h 55m

$911

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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.

Reviews of airlines servicing Donegal

Get insights into the airlines that provide service to Donegal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Donegal. Reviews last updated July 3, 2025.
Read through reviews of airlines operating flights from Denver to Donegal, such as Aer Lingus and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.1
Good
1,144 reviews

Comfort

7.0

Boarding

7.2

Entertainment

6.8

Overall

7.1

Crew

8.0

Food

6.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.
Aer Lingus
7.1
Good
1,144 reviews
Aer Lingus
7.1
Good
1,144 reviews

Comfort

7.0

Boarding

7.2

Entertainment

6.8

Overall

7.1

Crew

8.0

Food

6.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.
British Airways
6.6
Okay
7,093 reviews
Aer Lingus
7.1
Good
1,144 reviews

Comfort

7.0

Boarding

7.2

Entertainment

6.8

Overall

7.1

Crew

8.0

Food

6.4

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

SEA - DUB

Most airlines board by group even though passengers are seated at the back. At Seatac, passengers were seated starting at the back. Otherwise, flight was good.

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.

  • 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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