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Northern Ireland

$658+ Cheap flights from Denver (DEN) to Northern Ireland

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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BFS
jan 8 — jan 151
qui 1/8
qui 1/15
1 adult, Economy
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Cheap flight deals from Denver to Northern Ireland

Best flights from Denver to Northern Ireland
Discover carefully curated flight deals from Denver to Northern Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated dezembro 9, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 2/185:25 pmDEN - BHD
1 stop13h 50mBritish Airways
sex 2/276:45 amBHD - DEN
1 stop15h 45mBritish Airways
Deal found 12/8$658
This Mytrip deal was found by Cheapflights users on 12/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 5/64:40 pmDEN - BFS
2 stops17h 25mMultiple Airlines
sáb 5/169:30 pmBFS - DEN
2 stops28h 30mMultiple Airlines
Deal found 12/8$1,006
This oojo deal was found by Cheapflights users on 12/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 4/166:40 pmDEN - BHD
1 stop13h 50mBritish Airways
ter 4/216:15 pmBHD - DEN
1 stop29h 15mBritish Airways
Deal found 12/7$664
This British Airways deal was found by Cheapflights users on 12/7. 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.
qui 3/55:25 pmDEN - BHD
1 stop16h 15mBritish Airways
dom 3/83:10 pmBHD - DEN
1 stop31h 20mBritish Airways
Deal found 12/7$673
This British Airways deal was found by Cheapflights users on 12/9. 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.
qui 1/225:25 pmDEN - BHD
1 stop13h 35mBritish Airways
qui 1/298:00 pmBHD - DEN
1 stop26h 30mBritish Airways
Deal found 12/9$673
This British Airways deal was found by Cheapflights users on 12/6. 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.
qua 2/115:25 pmDEN - BHD
1 stop16h 10mBritish Airways
dom 2/159:10 amBHD - DEN
1 stop13h 20mBritish Airways
Deal found 12/6$673
This British Airways deal was found by Cheapflights users on 12/9. 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.
sex 1/235:25 pmDEN - BHD
1 stop13h 50mBritish Airways
qui 1/296:35 amBHD - DEN
1 stop15h 55mBritish Airways
Deal found 12/9$673
This British Airways deal was found by Cheapflights users on 12/6. 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.
sex 2/65:25 pmDEN - BHD
1 stop16h 50mBritish Airways
ter 2/107:25 pmBHD - DEN
1 stop27h 05mBritish Airways
Deal found 12/6$682

Find flight deals from Denver to Northern Ireland

Keep the following information in mind while searching for Denver to Northern Ireland flight deals. Data was last updated dezembro 9, 2025.

Round-trip from

$658
(Cheapflightsfares)

Popular in

March

Cheapest in

February

Average price

$1,153
From Denver Intl to Northern Ireland
Search Deals
High demand for flights, 6% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Northern Ireland 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 dezembro 9, 2025.
Use the filters below to find and compare flights from Denver to Northern Ireland that are best for you.

Fly from

Denver

Fly to

Northern Ireland

Route

Depart

Return

Price

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

qua 2/18

5:25 pm-2:15 pm

1 stop13h 50m

Belfast City

sex 2/27

6:45 am-3:30 pm

1 stop15h 45m

$658

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

qui 4/16

6:40 pm-3:30 pm

1 stop13h 50m

Belfast City

ter 4/21

6:15 pm-4:30 pm

1 stop29h 15m

$664

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

qui 3/5

5:25 pm-4:40 pm

1 stop16h 15m

Belfast City

dom 3/8

3:10 pm-4:30 pm

1 stop31h 20m

$673

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

qui 1/22

5:25 pm-2:00 pm

1 stop13h 35m

Belfast City

qui 1/29

8:00 pm-3:30 pm

1 stop26h 30m

$673

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

qua 2/11

5:25 pm-4:35 pm

1 stop16h 10m

Belfast City

dom 2/15

9:10 am-3:30 pm

1 stop13h 20m

$673

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

sex 1/23

5:25 pm-2:15 pm

1 stop13h 50m

Belfast City

qui 1/29

6:35 am-3:30 pm

1 stop15h 55m

$673

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

sex 2/6

5:25 pm-5:15 pm

1 stop16h 50m

Belfast City

ter 2/10

7:25 pm-3:30 pm

1 stop27h 05m

$682

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

qua 5/6

4:40 pm-5:05 pm

2 stops17h 25m

Belfast Intl

sáb 5/16

9:30 pm-7:00 pm

2 stops28h 30m

$1,006

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Best time to book a flight from Denver to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland 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 Northern Ireland

What is the cheapest time of day to fly from DEN to NIR?

Find hourly flight availability from Denver to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated dezembro 9, 2025.

It’s optimal to fly from Denver to Northern Ireland in the morning. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. 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 Northern Ireland. Reviews last updated dezembro 9, 2025.
See what other customers who have flown with British Airways from Denver to Northern Ireland have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,573 reviews

Comfort

6.7

Crew

7.6

Food

6.4

Entertainment

6.4

Overall

6.7

Boarding

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,573 reviews
British Airways
6.7
Okay
7,573 reviews

Comfort

6.7

Crew

7.6

Food

6.4

Entertainment

6.4

Overall

6.7

Boarding

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

Related info for your journey

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

    For a flight from Denver to Northern Ireland, you will be flying from Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city.

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

    Airlines like British Airways fly from Denver to Northern Ireland in about 13h 50m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 4347 mi.

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

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

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

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

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

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

See more FAQs

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Alternative routes for Denver to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Denver to Leeds flights
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Denver to Newcastle upon Tyne flights
Denver to Liverpool flights
Denver to Cardiff flights
Denver to Bristol flights
Denver to Southend flights
Denver to Birmingham flights
Colorado Springs to Leeds flights
Durango to Edinburgh flights
Hayden to Manchester flights
Aspen to Edinburgh flights
Denver to Norwich flights
Denver to Darlington flights
Colorado Springs to Birmingham flights
Colorado Springs to Edinburgh flights
Colorado Springs to Manchester flights
Durango to Glasgow Intl flights

Top airline flying from Denver to Northern Ireland

Discover the top airline that operate flights from Denver to Northern Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated dezembro 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$608Average$771FlexibilityNo cancel feeOn-time70%

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