$988+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CFN
Mar 15 — Mar 221
1 adult, Economy
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Find cheap flights from Denver to Donegal with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Denver to Donegal
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Best
Last-minute
Cheapest flights from Denver to DonegalExplore 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 February 13, 2026.
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 February 13, 2026.
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Tue 3/242:30 pm
CFN
- DEN
2 stops32h 00m
British Airways
Deal found 2/10![British Airways logo]()
$988
This British Airways deal was found by Cheapflights users on 2/8. 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.
Wed 2/185:25 pm
DEN
- CFN
2 stops43h 35m
British Airways
Sun 2/221:00 pm
CFN
- DEN
2 stops33h 30m
British Airways
Deal found 2/8![British Airways logo]()
$995
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Wed 3/252:30 pm
CFN
- DEN
2 stops32h 00m
British Airways
Deal found 2/10![British Airways logo]()
$1,075
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Sun 3/221:00 pm
CFN
- DEN
2 stops57h 30m
British Airways
Deal found 2/10![British Airways logo]()
$1,083
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Sun 3/221:00 pm
CFN
- DEN
2 stops57h 30m
British Airways
Deal found 2/10![British Airways logo]()
$1,169
This BusinessClass deal was found by Cheapflights users on 2/10. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/122:10 pm
DEN
- CFN
2 stops17h 50m
Multiple Airlines
Mon 3/232:30 pm
CFN
- DEN
2 stops29h 25m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,313
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Sat 3/212:30 pm
CFN
- DEN
2 stops56h 00m
British Airways
Deal found 2/10![British Airways logo]()
$1,380
This BusinessClass deal was found by Cheapflights users on 2/10. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/122:10 pm
DEN
- CFN
2 stops17h 50m
Multiple Airlines
Sun 3/221:00 pm
CFN
- DEN
2 stops27h 51m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,386
This Orbitz deal was found by Cheapflights users on 2/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1312:34 pm
DEN
- CFN
2 stops41h 51m
Multiple Airlines
Sun 3/221:00 pm
CFN
- DEN
2 stops27h 51m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,444
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Sat 3/212:30 pm
CFN
- DEN
2 stops56h 00m
British Airways
Deal found 2/10![British Airways logo]()
$1,466
This Ovago deal was found by Cheapflights users on 2/10. 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.
Wed 3/117:05 am
DEN
- CFN
2 stops24h 55m
Aer Lingus
Sun 3/221:00 pm
CFN
- DEN
2 stops15h 37m
Aer Lingus
Deal found 2/10![Aer Lingus logo]()
$1,639
Best flights from Denver to DonegalDiscover carefully curated flight deals from Denver to Donegal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
Discover carefully curated flight deals from Denver to Donegal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Tue 3/242:30 pm
CFN
- DEN
2 stops32h 00m
British Airways
Deal found 2/10![British Airways logo]()
$988
This BusinessClass deal was found by Cheapflights users on 2/10. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/142:10 pm
DEN
- CFN
2 stops16h 15m
Multiple Airlines
Mon 3/232:30 pm
CFN
- DEN
2 stops29h 25m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,313
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Wed 3/252:30 pm
CFN
- DEN
2 stops32h 00m
British Airways
Deal found 2/10![British Airways logo]()
$988
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Wed 3/252:30 pm
CFN
- DEN
2 stops32h 00m
British Airways
Deal found 2/10![British Airways logo]()
$988
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Mon 3/232:30 pm
CFN
- DEN
2 stops56h 00m
British Airways
Deal found 2/10![British Airways logo]()
$996
This BusinessClass deal was found by Cheapflights users on 2/10. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/122:10 pm
DEN
- CFN
2 stops17h 50m
Multiple Airlines
Mon 3/232:30 pm
CFN
- DEN
2 stops29h 25m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,313
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Tue 3/242:30 pm
CFN
- DEN
2 stops32h 00m
British Airways
Deal found 2/10![British Airways logo]()
$1,075
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Sun 3/221:00 pm
CFN
- DEN
2 stops57h 30m
British Airways
Deal found 2/10![British Airways logo]()
$1,083
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Sun 3/221:00 pm
CFN
- DEN
2 stops57h 30m
British Airways
Deal found 2/10![British Airways logo]()
$1,083
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Sun 3/221:00 pm
CFN
- DEN
2 stops57h 30m
British Airways
Deal found 2/10![British Airways logo]()
$1,169
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Sat 3/212:30 pm
CFN
- DEN
2 stops56h 00m
British Airways
Deal found 2/10![British Airways logo]()
$1,380
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Sat 3/212:30 pm
CFN
- DEN
2 stops56h 00m
British Airways
Deal found 2/10![British Airways logo]()
$1,380
Last-minute flights from Denver to DonegalDiscover last-minute flight deals from Denver to Donegal. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Donegal. Data last updated February 13, 2026 and is based on user searches.
This British Airways deal was found by Cheapflights users on 2/8. 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.
Wed 2/185:25 pm
DEN
- CFN
2 stops43h 35m
British Airways
Sun 2/221:00 pm
CFN
- DEN
2 stops33h 30m
British Airways
Deal found 2/8![British Airways logo]()
$995
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Tue 3/242:30 pm
CFN
- DEN
2 stops32h 00m
British Airways
Deal found 2/10![British Airways logo]()
$988
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Sun 3/221:00 pm
CFN
- DEN
2 stops57h 30m
British Airways
Deal found 2/10![British Airways logo]()
$1,083
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Sat 3/212:30 pm
CFN
- DEN
2 stops56h 00m
British Airways
Deal found 2/10![British Airways logo]()
$1,380
This Ovago deal was found by Cheapflights users on 2/10. 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.
Wed 3/117:05 am
DEN
- CFN
2 stops24h 55m
Aer Lingus
Sun 3/221:00 pm
CFN
- DEN
2 stops15h 37m
Aer Lingus
Deal found 2/10![Aer Lingus logo]()
$1,639
This BusinessClass deal was found by Cheapflights users on 2/10. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/122:10 pm
DEN
- CFN
2 stops17h 50m
Multiple Airlines
Mon 3/232:30 pm
CFN
- DEN
2 stops29h 25m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,313
This BusinessClass deal was found by Cheapflights users on 2/10. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/122:10 pm
DEN
- CFN
2 stops17h 50m
Multiple Airlines
Sun 3/221:00 pm
CFN
- DEN
2 stops27h 51m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,386
This Orbitz deal was found by Cheapflights users on 2/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1312:34 pm
DEN
- CFN
2 stops41h 51m
Multiple Airlines
Sun 3/221:00 pm
CFN
- DEN
2 stops27h 51m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,444
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Tue 3/242:30 pm
CFN
- DEN
2 stops32h 00m
British Airways
Deal found 2/10![British Airways logo]()
$1,075
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Sun 3/221:00 pm
CFN
- DEN
2 stops57h 30m
British Airways
Deal found 2/10![British Airways logo]()
$1,169
This British Airways deal was found by Cheapflights users on 2/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:25 pm
DEN
- CFN
2 stops37h 35m
British Airways
Sat 3/212:30 pm
CFN
- DEN
2 stops56h 00m
British Airways
Deal found 2/10![British Airways logo]()
$1,466
Find 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 February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $988 (British Airways) |
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 February 13, 2026.
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
Tue 3/10
6:25 pm-2:00 pm
2 stops37h 35m
Donegal
Tue 3/24
2:30 pm-4:30 pm
2 stops32h 00m
$988
DenverDonegal
DEN - CFN
DENCFN
Denver Intl
Mon 3/16
6:25 pm-2:00 pm
2 stops37h 35m
Donegal
Wed 3/25
2:30 pm-4:30 pm
2 stops32h 00m
$988
DenverDonegal
DEN - CFN
DENCFN
Denver Intl
Tue 3/10
6:25 pm-2:00 pm
2 stops37h 35m
Donegal
Wed 3/25
2:30 pm-4:30 pm
2 stops32h 00m
$988
DenverDonegal
DEN - CFN
DENCFN
Denver Intl
Tue 3/10
6:25 pm-2:00 pm
2 stops37h 35m
Donegal
Mon 3/23
2:30 pm-4:30 pm
2 stops56h 00m
$996
DenverDonegal
DEN - CFN
DENCFN
Denver Intl
Sun 3/15
6:25 pm-2:00 pm
2 stops37h 35m
Donegal
Tue 3/24
2:30 pm-4:30 pm
2 stops32h 00m
$1,075
DenverDonegal
DEN - CFN
DENCFN
Denver Intl
Tue 3/10
6:25 pm-2:00 pm
2 stops37h 35m
Donegal
Sun 3/22
1:00 pm-4:30 pm
2 stops57h 30m
$1,083
DenverDonegal
DEN - CFN
DENCFN
Denver Intl
Mon 3/16
6:25 pm-2:00 pm
2 stops37h 35m
Donegal
Sun 3/22
1:00 pm-4:30 pm
2 stops57h 30m
$1,083
DenverDonegal
DEN - CFN
DENCFN
Denver Intl
Sun 3/15
6:25 pm-2:00 pm
2 stops37h 35m
Donegal
Sun 3/22
1:00 pm-4:30 pm
2 stops57h 30m
$1,169
DenverDonegal
DEN - CFN
DENCFN
Denver Intl
Sat 3/14
2:10 pm-12:25 pm
2 stops16h 15m
Donegal
Mon 3/23
2:30 pm-1:55 pm
2 stops29h 25m
$1,313
DenverDonegal
DEN - CFN
DENCFN
Denver Intl
Thu 3/12
2:10 pm-2:00 pm
2 stops17h 50m
Donegal
Mon 3/23
2:30 pm-1:55 pm
2 stops29h 25m
$1,313
Showing 1-10 of 12 results
- Most accurate provider: When it comes to deals on Denver-Donegal flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Donegal flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
DEN-CFN
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.
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