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

Currently, January is the cheapest month in which you can book a flight from Denver to Northern Ireland (average of £67). Flying from Denver to Northern Ireland in July is currently the most expensive (average of £90). 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 month to fly from Denver to Northern Ireland?

Flights from Denver to Northern Ireland lean towards being more expensive in December. Prices are generally better when you fly from Denver to Northern Ireland in February, with the cheapest ticket starting at £488.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Northern Ireland as you normally would.

What airport do you fly from for flights from Denver to Northern Ireland?

Located just 18.5 mi from the city center, Denver Intl (DEN) is the airport most travelers will use when flying to Northern Ireland from Denver.

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 holiday 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.

£294+ Flights from Denver to Northern Ireland - Compare & Save Big

Cheap flight deals from Denver to Northern Ireland

Round-trip from	£488
One-way from	£294
Popular in	December
Cheapest in	February

American Airlines
18/8-29/8
2 total stops
30h 55m total
Denver to Northern Ireland

Search Deals

American Airlines
2/10
1 total stop
11h 40m total
Denver to Northern Ireland

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£35 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease (£38 potential savings vs. average return price).

Search Deals

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 30 April 2025.

Mon 18/818:35DEN - BHD

1 stop14h 05mAmerican Airlines

Fri 29/806:35BHD - DEN

1 stop16h 50mAmerican Airlines

Deal found 29/4£488

Fri 15/818:35DEN - BHD

1 stop13h 55mBritish Airways

Fri 29/809:30BHD - DEN

1 stop13h 55mBritish Airways

Deal found 29/4£541

Tue 19/816:00DEN - BHD

2 stops17h 55mKLM

Sat 30/806:30BHD - DEN

2 stops19h 19mKLM

Deal found 29/4£556

Sat 14/607:45DEN - BFS

3 stops20h 15mMultiple Airlines

Sat 21/605:45BFS - DEN

2 stops36h 42mMultiple Airlines

Deal found 30/4£602

Sat 3/519:55DEN - BHD

2 stops17h 55mAer Lingus

Mon 5/506:40BHD - DEN

2 stops18h 19mAer Lingus

Deal found 29/4£769

Sun 13/713:52DEN - BHD

2 stops24h 23mDelta

Thu 31/706:30BHD - DEN

2 stops23h 36mDelta

Deal found 29/4£780

Sat 3/518:35DEN - BHD

1 stop14h 20mMultiple Airlines

Mon 5/509:50BHD - DEN

2 stops53h 39mMultiple Airlines

Deal found 29/4£858

Tue 19/812:44DEN - BHD

2 stops40h 11mFinnair

Mon 1/919:30BHD - DEN

1 stop27h 55mFinnair

Deal found 29/4£900

Best flights from Denver to Northern Ireland
Discover carefully curated flight deals from Denver to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 April 2025.

Mon 18/818:35DEN - BHD

1 stop14h 05mAmerican Airlines

Fri 29/806:35BHD - DEN

1 stop16h 50mAmerican Airlines

Deal found 29/4£488

Fri 15/818:35DEN - BHD

1 stop13h 55mBritish Airways

Tue 26/806:35BHD - DEN

1 stop16h 50mBritish Airways

Deal found 29/4£541

Tue 19/816:00DEN - BHD

2 stops17h 55mKLM

Thu 28/806:30BHD - DEN

2 stops18h 43mKLM

Deal found 29/4£556

Sat 14/607:45DEN - BFS

3 stops20h 15mMultiple Airlines

Sat 21/605:45BFS - DEN

2 stops36h 42mMultiple Airlines

Deal found 30/4£602

Sun 13/713:52DEN - BHD

2 stops24h 23mDelta

Thu 31/706:30BHD - DEN

2 stops23h 36mDelta

Deal found 29/4£780

Mon 14/719:55DEN - BHD

2 stops17h 00mAer Lingus

Mon 28/706:50BHD - DEN

2 stops18h 09mAer Lingus

Deal found 29/4£846

Tue 19/812:44DEN - BHD

2 stops40h 11mFinnair

Mon 1/919:30BHD - DEN

1 stop27h 55mFinnair

Deal found 29/4£900

Last-minute flights from Denver to Northern Ireland
Discover last-minute flight deals from Denver to Northern Ireland. Data last updated 30 April 2025 and is based on user searches.

Sat 3/519:55DEN - BHD

2 stops17h 55mAer Lingus

Mon 5/506:40BHD - DEN

2 stops18h 19mAer Lingus

Deal found 29/4£769

Sat 3/518:35DEN - BFS

1 stop21h 30mMultiple Airlines

Mon 5/506:45BFS - DEN

2 stops23h 44mMultiple Airlines

Deal found 29/4£823

Sat 3/518:35DEN - BHD

1 stop14h 20mMultiple Airlines

Mon 5/509:50BHD - DEN

2 stops53h 39mMultiple Airlines

Deal found 29/4£858

Cheapflights Fare Finder

Use the filters below to find and compare flights from Denver to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 18/8

18:35-15:40

1 stop14h 05m

Belfast City

Fri 29/8

06:35-16:25

1 stop16h 50m

£488

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 15/8

18:35-15:30

1 stop13h 55m

Belfast City

Tue 26/8

06:35-16:25

1 stop16h 50m

£541

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 19/8

16:00-16:55

2 stops17h 55m

Belfast City

Thu 28/8

06:30-18:13

2 stops18h 43m

£556

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sat 14/6

07:45-11:00

3 stops20h 15m

Belfast Intl

Sat 21/6

05:45-11:27

2 stops36h 42m

£602

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 13/7

13:52-21:15

2 stops24h 23m

Belfast City

Thu 31/7

06:30-23:06

2 stops23h 36m

£780

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 14/7

19:55-19:55

2 stops17h 00m

Belfast City

Mon 28/7

06:50-17:59

2 stops18h 09m

£846

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 19/8

12:44-11:55

2 stops40h 11m

Belfast City

Mon 1/9

19:30-16:25

1 stop27h 55m

£900

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 2/10

18:35-13:15

1 stop11h 40m

£294

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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 return 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

Rainfall in Northern Ireland by month

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

Temperature in Northern Ireland 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Northern Ireland

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,934 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,275 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aer Lingus

7.0

Good

1,076 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from Denver to Northern Ireland?
Located just 18.5 mi from the city center, Denver Intl (DEN) is the airport most travelers will use when flying to Northern Ireland from Denver.
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 holiday 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, January is the cheapest month in which you can book a flight from Denver to Northern Ireland (average of £67). Flying from Denver to Northern Ireland in July is currently the most expensive (average of £90). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Denver to Northern Ireland

Direct flights to United Kingdom

Fly with Cheapflights

How does Cheapflights help users find flights from Denver to Northern Ireland?

Cheapflights helps you search for flights from Denver to Northern Ireland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Denver to Northern Ireland?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Denver to Northern Ireland for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Denver to Northern Ireland with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Denver to Northern Ireland, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Denver to Northern Ireland become cheaper?

Of course! You can now track prices for flights from Denver to Northern Ireland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Denver to Northern Ireland from £294

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 30 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Find flight deals from Denver to Northern Ireland

Cheapest flights from Denver to Northern IrelandExplore 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 30 April 2025.

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 30 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Denver to Northern Ireland that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Denver to Northern Ireland

Rainfall in Northern Ireland by month

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

Temperature in Northern Ireland by month

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

Reviews of airlines servicing Northern Ireland

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?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Denver to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Denver to Northern Ireland?

Why should you use Cheapflights to find cheap flight tickets from Denver to Northern Ireland?

Can Cheapflights find flights from Denver to Northern Ireland with no change fees?

Can Cheapflights notify me if prices for flights from Denver to Northern Ireland become cheaper?

100% Free

Book with Flexibility

Travel Smart

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 30 April 2025.