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Cheap flights from Denver to Northern Ireland from $379

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Northern Ireland departing on 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Denver to Northern Ireland

Cheap round-trip flights

British Airways Logo
6:35 pm - 1:15 pmDEN-BHD
11h 40m1 stop
British Airways Logo
6:50 am - 4:25 pmBHD-DEN
16h 35m1 stop
$633British Airways
Find Deal
Thu, Oct 2 - Sun, Oct 12
British Airways Logo
6:35 pm - 1:15 pmDEN-BHD
11h 40m1 stop
British Airways Logo
6:50 am - 4:25 pmBHD-DEN
16h 35m1 stop
$653British Airways
Find Deal
Thu, Oct 2 - Sun, Oct 12
British Airways Logo
10:32 am - 11:10 amDEN-BHD
17h 38m2 stops
British Airways Logo
6:50 am - 4:25 pmBHD-DEN
16h 35m1 stop
$657British Airways
Find Deal
Thu, Oct 2 - Sun, Oct 12
British Airways Logo
10:32 am - 11:10 amDEN-BHD
17h 38m2 stops
British Airways Logo
6:50 am - 4:25 pmBHD-DEN
16h 35m1 stop
$659British Airways
Find Deal
Thu, Oct 2 - Sun, Oct 12
Delta Logo
2:00 pm - 4:55 pmDEN-BHD
19h 55m2 stops
Delta Logo
6:30 am - 9:41 pmBHD-DEN
22h 11m2 stops
$879Delta
Find Deal
Sat, Oct 4 - Wed, Oct 8
KLM Logo
4:49 pm - 4:55 pmDEN-BHD
17h 06m2 stops
KLM Logo
6:30 am - 6:19 pmBHD-DEN
18h 49m2 stops
$932KLM
Find Deal
Sat, Oct 4 - Wed, Oct 8
Logo
5:25 pm - 3:55 pmDEN-BFS
15h 30m1 stop
Logo
9:25 am - 1:12 amBFS-DEN
22h 47m2 stops
$934
Find Deal
Wed, Nov 5 - Sun, Nov 16
American Airlines Logo
11:07 am - 12:15 pmDEN-BHD
18h 08m2 stops
American Airlines Logo
6:50 am - 4:25 pmBHD-DEN
16h 35m1 stop
$940American Airlines
Find Deal
Sat, Oct 4 - Wed, Oct 8
American Airlines Logo
7:16 am - 10:10 amDEN-BHD
19h 54m2 stops
American Airlines Logo
6:50 am - 4:25 pmBHD-DEN
16h 35m1 stop
$941American Airlines
Find Deal
Sat, Oct 4 - Wed, Oct 8
Logo
3:40 pm - 3:35 pmDEN-BFS
16h 55m2 stops
Logo
2:10 pm - 6:05 pmBFS-DEN
34h 55m2 stops
$1,182
Find Deal
Wed, Nov 5 - Sun, Nov 16

British Airways flights from Denver to Northern Ireland

Our best British Airways deals on Denver to Northern Ireland flight tickets
British Airways
Oct 2
DEN6:35 pmDenver Intl
11h 40m
1 stop
BHD1:15 pmBelfast City
Oct 12
BHD6:50 amBelfast City
16h 35m
1 stop
DEN4:25 pmDenver Intl
$633
Find similar
British Airways
Oct 2
DEN6:35 pmDenver Intl
11h 40m
1 stop
BHD1:15 pmBelfast City
Oct 12
BHD6:50 amBelfast City
16h 35m
1 stop
DEN4:25 pmDenver Intl
$653
Find similar
British Airways
Oct 2
DEN10:32 amDenver Intl
17h 38m
2 stops
BHD11:10 amBelfast City
Oct 12
BHD6:50 amBelfast City
16h 35m
1 stop
DEN4:25 pmDenver Intl
$657
Find similar

American Airlines flights from Denver to Northern Ireland

Our best American Airlines deals on Denver to Northern Ireland flight tickets
American Airlines
Oct 4
DEN11:07 amDenver Intl
18h 08m
2 stops
BHD12:15 pmBelfast City
Oct 8
BHD6:50 amBelfast City
16h 35m
1 stop
DEN4:25 pmDenver Intl
$940
Find similar
American Airlines
Oct 4
DEN7:16 amDenver Intl
19h 54m
2 stops
BHD10:10 amBelfast City
Oct 8
BHD6:50 amBelfast City
16h 35m
1 stop
DEN4:25 pmDenver Intl
$941
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 13, 2025.
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

Thu 10/2

6:35 pm-1:15 pm

1 stop11h 40m

Belfast City

Sun 10/12

6:50 am-4:25 pm

1 stop16h 35m

$633

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 10/2

6:35 pm-1:15 pm

1 stop11h 40m

Belfast City

Sun 10/12

6:50 am-4:25 pm

1 stop16h 35m

$653

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 10/2

10:32 am-11:10 am

2 stops17h 38m

Belfast City

Sun 10/12

6:50 am-4:25 pm

1 stop16h 35m

$657

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 10/2

10:32 am-11:10 am

2 stops17h 38m

Belfast City

Sun 10/12

6:50 am-4:25 pm

1 stop16h 35m

$659

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sat 10/4

2:00 pm-4:55 pm

2 stops19h 55m

Belfast City

Wed 10/8

6:30 am-9:41 pm

2 stops22h 11m

$879

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sat 10/4

4:49 pm-4:55 pm

2 stops17h 06m

Belfast City

Wed 10/8

6:30 am-6:19 pm

2 stops18h 49m

$932

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Wed 11/5

5:25 pm-3:55 pm

1 stop15h 30m

Belfast Intl

Sun 11/16

9:25 am-1:12 am

2 stops22h 47m

$934

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sat 10/4

11:07 am-12:15 pm

2 stops18h 08m

Belfast City

Wed 10/8

6:50 am-4:25 pm

1 stop16h 35m

$940

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sat 10/4

7:16 am-10:10 am

2 stops19h 54m

Belfast City

Wed 10/8

6:50 am-4:25 pm

1 stop16h 35m

$941

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Wed 11/5

3:40 pm-3:35 pm

2 stops16h 55m

Belfast Intl

Sun 11/16

2:10 pm-6:05 pm

2 stops34h 55m

$1,182

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Northern Ireland from

How to get the cheapest flight ticket from Denver to Northern Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Northern Ireland?

The cheapest day to depart on your flight to Northern Ireland is on a Thursday when prices can be found for as low as $688. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Denver to Northern Ireland for around $1,000.

What is the cheapest time of day to depart on your flight to Northern Ireland?

In the morning is the cheapest time of day to fly from Denver to Northern Ireland when you can find flight prices for as low as $675. Flying to Northern Ireland in the morning is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $745.

Can stopping save me money on Denver to Northern Ireland flights?

You could potentially save up to 11% on your flight if you consider stops on a Denver to Northern Ireland flight.

Cheap Denver to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Northern Ireland

Best Price Found

$379

Fastest flight time

11h 40m

Direct flights

None

Airports in Northern Ireland

2 airports
The best one-way flight to Northern Ireland from Denver in the past 72 hours is $379. The best round-trip flight deal from Denver to Northern Ireland found on momondo in the last 72 hours is $633.
The fastest flight from Denver to Northern Ireland takes 11h 40m
There are no direct flights from Denver to Northern Ireland. Popular non-direct routes for this connection are Denver Intl Airport - Belfast City Airport and Denver Intl Airport - Belfast Intl Airport.
There are 2 airports near Northern Ireland: Belfast Intl (BFS), Belfast City (BHD)
Search flight deals

  • When did momondo last update prices for flights from Denver Intl Airport to Northern Ireland?

    Prices for flights from Denver Intl Airport to Northern Ireland are refreshed on a daily basis.

  • How many operators does momondo search for flights from Denver Intl Airport to Northern Ireland?

  • How old do you have to be to fly from Denver Intl Airport to Northern Ireland?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Northern Ireland.

  • What documentation or ID do you need to fly to Northern Ireland?

    The travel and health documents required for your trip to Northern Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Denver to Northern Ireland

Compare and see reviews for airlines that fly from Denver to Northern Ireland with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $608Free CancellationRating
6.6
7,265 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Northern Ireland?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Denver to Northern Ireland. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Denver to Northern Ireland with flexible booking policies on momondo?

All flight searches from Denver to Northern Ireland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Denver to Northern Ireland?

momondo helps you find the best flight between Denver and Northern Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Denver to Northern Ireland right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Denver to Northern Ireland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Northern Ireland and let you know when they change.

An easier way to manage your Northern Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Northern Ireland

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