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$931+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CFN
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Round-trip from

$1,069
(SmartFares)
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 March 28, 2025.

This FlightHub deal was found by Cheapflights users on 3/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/266:30 pmDEN - CFN
2 stops19h 30mAer Lingus
Sun 11/210:00 amCFN - DEN
2 stops19h 09mAer Lingus
Deal found 3/26$931
This StudentUniverse deal was found by Cheapflights users on 3/26. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2612:24 pmDEN - CFN
3 stops19h 36mMultiple Airlines
Sun 11/210:00 amCFN - DEN
2 stops20h 37mMultiple Airlines
Deal found 3/26$1,044
This StudentUniverse deal was found by Cheapflights users on 3/26. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2612:34 pmDEN - CFN
3 stops19h 26mBritish Airways
Sun 11/210:00 amCFN - DEN
3 stops36h 47mBritish Airways
Deal found 3/26$1,059

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 March 28, 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

Sun 5/11

7:55 pm-8:00 pm

1 stop17h 05m

Donegal

Sun 5/18

7:15 pm-5:59 pm

2 stops29h 44m

$1,069

DenverDonegal

DEN - CFN

DENCFN

Denver Intl

Sun 5/11

6:35 pm-8:00 pm

2 stops18h 25m

Donegal

Sun 5/18

10:00 am-11:59 pm

3 stops20h 59m

$1,222

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

$1,282

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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.

Cheapflights Insights

Everything you need to know about your flight from Denver 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).

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 March 28, 2025.
Aer Lingus
7.0
Good
1,062 reviews

Boarding

7.2

Food

6.4

Crew

7.9

Entertainment

6.7

Comfort

7.0

Overall

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

BOS - DUB

Once on board the crew disappeared. Not a single coffee or tea offered during the entire flight. Food, with cup of water was almost inedible
Aer Lingus
7.0
Good
1,062 reviews
Aer Lingus
7.0
Good
1,062 reviews

Boarding

7.2

Food

6.4

Crew

7.9

Entertainment

6.7

Comfort

7.0

Overall

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

BOS - DUB

Once on board the crew disappeared. Not a single coffee or tea offered during the entire flight. Food, with cup of water was almost inedible
British Airways
6.6
Okay
6,712 reviews
Aer Lingus
7.0
Good
1,062 reviews

Boarding

7.2

Food

6.4

Crew

7.9

Entertainment

6.7

Comfort

7.0

Overall

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

BOS - DUB

Once on board the crew disappeared. Not a single coffee or tea offered during the entire flight. Food, with cup of water was almost inedible

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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