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$634+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BFS
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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Cheap flight deals from Denver to Northern Ireland

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Northern Ireland (GBNIR). 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 January 16, 2025.

Round-trip from

$634
(Cheapflightsfares)
From Denver Intl to Northern Ireland
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Find flight deals from Denver to Northern Ireland

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

This Cheapflightsfares deal was found by Cheapflights users on 1/16. 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 2/35:30 pmDEN - BHD
1 stop15h 45mBritish Airways
Thu 2/136:35 amBHD - DEN
1 stop15h 50mBritish Airways
Deal found 1/16$634
This Finnair deal was found by Cheapflights users on 1/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/312:40 pmDEN - BHD
2 stops20h 35mFinnair
Thu 2/136:35 amBHD - DEN
1 stop15h 50mFinnair
Deal found 1/16$640
This Finnair deal was found by Cheapflights users on 1/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/312:40 pmDEN - BHD
2 stops20h 35mMultiple Airlines
Thu 2/136:35 amBHD - DEN
2 stops18h 20mMultiple Airlines
Deal found 1/16$650
This American Airlines deal was found by Cheapflights users on 1/15. 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.
Thu 10/26:48 pmDEN - BHD
2 stops16h 17mAmerican Airlines
Sun 10/126:50 amBHD - DEN
1 stop16h 35mAmerican Airlines
Deal found 1/15$681
This Ovago deal was found by Cheapflights users on 1/15. 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.
Sun 6/87:55 pmDEN - BHD
2 stops15h 50mAer Lingus
Sat 6/147:00 pmBHD - DEN
2 stops29h 59mAer Lingus
Deal found 1/15$981
This Mytrip deal was found by Cheapflights users on 1/16. 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.
Wed 2/124:25 pmDEN - BFS
3 stops20h 45mMultiple Airlines
Wed 2/196:45 pmBFS - DEN
3 stops30h 20mMultiple Airlines
Deal found 1/16$1,153

Find flights from Denver to Northern Ireland within your budget

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 January 16, 2025.

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DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 2/3

5:30 pm-4:15 pm

1 stop15h 45m

Belfast City

Thu 2/13

6:35 am-3:25 pm

1 stop15h 50m

$634

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 2/3

12:40 pm-4:15 pm

2 stops20h 35m

Belfast City

Thu 2/13

6:35 am-3:25 pm

1 stop15h 50m

$640

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 2/3

12:40 pm-4:15 pm

2 stops20h 35m

Belfast City

Thu 2/13

6:35 am-5:55 pm

2 stops18h 20m

$650

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 6/8

7:55 pm-6:45 pm

2 stops15h 50m

Belfast City

Sat 6/14

7:00 pm-5:59 pm

2 stops29h 59m

$981

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sat 3/15

6:30 pm-4:40 pm

1 stop16h 10m

Belfast City

Fri 3/21

10:10 am-11:24 pm

2 stops19h 14m

$1,105

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Wed 2/12

4:25 pm-8:10 pm

3 stops20h 45m

Belfast Intl

Wed 2/19

6:45 pm-6:05 pm

3 stops30h 20m

$1,153

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

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.

Travel insights for flights from Denver to Northern Ireland

Get recent, data-driven insights about flights from Denver to Northern Ireland including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Denver to Northern Ireland (average of $657). Flying from Denver to Northern Ireland in June is currently the most expensive (average of $1,189). 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.

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 January 16, 2025.

When flying from Denver to Northern Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Northern Ireland ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Northern Ireland when rainfall is around 2.0 in.

Temperature in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Northern Ireland, 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 60.8 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 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 January 16, 2025.
Finnair
7.6
Good
1,285 reviews

Comfort

7.5

Crew

8.1

Food

6.7

Boarding

7.7

Overall

7.6

Entertainment

6.9

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Finnair
7.6
Good
1,285 reviews
Finnair
7.6
Good
1,285 reviews

Comfort

7.5

Crew

8.1

Food

6.7

Boarding

7.7

Overall

7.6

Entertainment

6.9

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,285 reviews

Comfort

7.5

Crew

8.1

Food

6.7

Boarding

7.7

Overall

7.6

Entertainment

6.9

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Aer Lingus
7.1
Good
1,077 reviews
Finnair
7.6
Good
1,285 reviews

Comfort

7.5

Crew

8.1

Food

6.7

Boarding

7.7

Overall

7.6

Entertainment

6.9

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

British Airways
6.6
Okay
6,823 reviews
Finnair
7.6
Good
1,285 reviews

Comfort

7.5

Crew

8.1

Food

6.7

Boarding

7.7

Overall

7.6

Entertainment

6.9

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

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.

  • 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.

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

    Currently, February is the cheapest month in which you can book a flight from Denver to Northern Ireland (average of $657). Flying from Denver to Northern Ireland in June is currently the most expensive (average of $1,189). 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.

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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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Top 2 airlines flying from Denver to Northern Ireland

Discover the top 2 airlines 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 January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$573Average$734FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$628Average$676FlexibilityNo cancel feeOn-time71%
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