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$381+ Cheap flights from Northern Ireland to Denver (DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DEN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Northern Ireland to Denver

Keep the following information in mind while searching for Northern Ireland to Denver flight deals. Data was last updated September 16, 2025.

Round-trip from

$813
(Delta)

One-way from

$381
(Kiwi.com)
From Northern Ireland to Denver Intl
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One-way flight from Northern Ireland to Denver Intl
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Find flight deals from Northern Ireland to Denver

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

This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:30 amBHD - DEN
2 stops23h 34mDelta
Mon 10/202:57 pmDEN - BHD
2 stops23h 18mDelta
Deal found 9/15$813
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:40 amBHD - DEN
2 stops19h 46mAmerican Airlines
Mon 10/206:35 pmDEN - BHD
1 stop15h 55mAmerican Airlines
Deal found 9/15$847
This Ovago deal was found by Cheapflights users on 9/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/139:50 amBHD - DEN
3 stops29h 49mAer Lingus
Mon 10/207:55 pmDEN - BHD
2 stops14h 45mAer Lingus
Deal found 9/15$1,190
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/137:30 pmBHD - DEN
1 stop27h 55mBritish Airways
Mon 10/206:35 pmDEN - BHD
1 stop14h 05mBritish Airways
Deal found 9/15$1,302
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:05 amBHD - DEN
1 stop13h 25mMultiple Airlines
Thu 11/136:23 pmDEN - BHD
3 stops32h 22mMultiple Airlines
Deal found 9/15$1,419
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/138:10 amBFS - DEN
2 stops16h 49mMultiple Airlines
Mon 10/2011:15 amDEN - BFS
3 stops28h 40mMultiple Airlines
Deal found 9/15$1,525
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/137:05 amBHD - DEN
3 stops34h 58mMultiple Airlines
Mon 10/2011:15 amDEN - BHD
3 stops22h 10mMultiple Airlines
Deal found 9/15$1,556

Cheapflights Fare Finder

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

Fly from

Northern Ireland

Fly to

Denver

Route

Depart

Return

Price

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Mon 10/13

6:30 am-11:04 pm

2 stops23h 34m

Denver Intl

Mon 10/20

2:57 pm-9:15 pm

2 stops23h 18m

$813

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Mon 10/13

6:40 am-7:26 pm

2 stops19h 46m

Denver Intl

Mon 10/20

6:35 pm-5:30 pm

1 stop15h 55m

$847

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Mon 10/13

9:50 am-8:39 am

3 stops29h 49m

Denver Intl

Mon 10/20

7:55 pm-5:40 pm

2 stops14h 45m

$1,190

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Mon 10/13

7:30 pm-4:25 pm

1 stop27h 55m

Denver Intl

Mon 10/20

6:35 pm-3:40 pm

1 stop14h 05m

$1,302

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Thu 11/13

9:05 am-3:30 pm

1 stop13h 25m

Denver Intl

Thu 11/13

6:23 pm-9:45 am

3 stops32h 22m

$1,419

BelfastDenver

BFS - DEN

BFSDEN

Belfast Intl

Mon 10/13

8:10 am-5:59 pm

2 stops16h 49m

Denver Intl

Mon 10/20

11:15 am-10:55 pm

3 stops28h 40m

$1,525

BelfastDenver

BFS - DEN

BFSDEN

Belfast Intl

Thu 11/13

6:00 am-11:16 pm

2 stops24h 16m

$381

BelfastDenver

BHD - DEN

BHDDEN

Belfast City

Thu 11/13

7:25 am-11:16 pm

2 stops22h 51m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Northern Ireland to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Northern Ireland 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 Northern Ireland to Denver
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Denver. 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 Denver from Northern Ireland?

    If you book a flight to Denver from Northern Ireland, you will be flying to Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver.

  • How long is the flight from Northern Ireland to Denver?

    For as low as $847, Delta can have you in Denver from Northern Ireland in 19h 46m. Northern Ireland and Denver are separated by a distance of 4347 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

  • How can I find direct flights from Northern Ireland to Denver?

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

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

    Yes. Cheapflights offers flight deals from Northern Ireland to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Northern Ireland to Denver?

    Currently, October is the cheapest month in which you can book a flight from Northern Ireland to Denver (average of $197). Flying from Northern Ireland to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
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Lone Tree
Cripple Creek
Thornton
Silverthorne
Manitou Springs
Fort Morgan
Glendale
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Idaho Springs
Parker
Sterling

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