Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Denver to Belfast from £216

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 Belfast departing on 6/5. 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
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Denver to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
18:40 - 20:35
DEN
-
BHD
18h 55m
1 stop
British Airways Logo
09:40 - 16:30
BHD
-
DEN
13h 50m
1 stop
£515British Airways
Thu, 16 Apr - Tue, 21 Apr
British Airways Logo
18:40 - 09:00
DEN
-
BHD
31h 20m
1 stop
British Airways Logo
06:30 - 16:30
BHD
-
DEN
17h 00m
1 stop
£521British Airways
Mon, 6 Apr - Fri, 2 Oct
American Airlines Logo
18:30 - 18:45
DEN
-
BHD
17h 15m
2 stops
American Airlines Logo
09:40 - 21:59
BHD
-
DEN
19h 19m
2 stops
£523American Airlines
Thu, 16 Apr - Tue, 21 Apr
British Airways Logo
18:40 - 20:35
DEN
-
BHD
18h 55m
1 stop
British Airways Logo
09:40 - 22:45
BHD
-
DEN
20h 05m
2 stops
£529British Airways
Thu, 16 Apr - Tue, 21 Apr
American Airlines Logo
17:44 - 15:30
DEN
-
BHD
14h 46m
2 stops
American Airlines Logo
09:35 - 16:30
BHD
-
DEN
13h 55m
1 stop
£531American Airlines
Fri, 1 May - Thu, 7 May
British Airways Logo
18:40 - 08:55
DEN
-
BHD
31h 15m
1 stop
British Airways Logo
19:30 - 16:30
BHD
-
DEN
28h 00m
1 stop
£533British Airways
Fri, 1 May - Thu, 7 May
British Airways Logo
18:40 - 09:00
DEN
-
BHD
31h 20m
1 stop
British Airways Logo
20:10 - 16:30
BHD
-
DEN
27h 20m
1 stop
£537British Airways
Mon, 6 Apr - Fri, 2 Oct
American Airlines Logo
17:44 - 18:45
DEN
-
BHD
18h 01m
2 stops
American Airlines Logo
09:40 - 22:45
BHD
-
DEN
20h 05m
2 stops
£537American Airlines
Thu, 16 Apr - Tue, 21 Apr
American Airlines Logo
18:30 - 18:45
DEN
-
BHD
17h 15m
2 stops
American Airlines Logo
09:40 - 23:59
BHD
-
DEN
21h 19m
2 stops
£538American Airlines
Thu, 16 Apr - Tue, 21 Apr
Multiple Airlines Logo
11:10 - 23:10
DEN
-
BFS
29h 00m
3 stops
Multiple Airlines Logo
07:00 - 10:18
BFS
-
DEN
34h 18m
3 stops
£571Multiple Airlines
Mon, 13 Apr - Mon, 20 Apr

British Airways flights from Denver to Belfast

Our best British Airways deals on Denver to Belfast flight tickets
British Airways
16 Apr
DEN18:40Denver Intl
18h 55m
1 stop
BHD20:35Belfast City
21 Apr
BHD09:40Belfast City
13h 50m
1 stop
DEN16:30Denver Intl
£515
British Airways
6 Apr
DEN18:40Denver Intl
31h 20m
1 stop
BHD09:00Belfast City
2 Oct
BHD06:30Belfast City
17h 00m
1 stop
DEN16:30Denver Intl
£521
British Airways
16 Apr
DEN18:40Denver Intl
17h 05m
1 stop
BHD18:45Belfast City
21 Apr
BHD09:40Belfast City
20h 05m
2 stops
DEN22:45Denver Intl
£529

American Airlines flights from Denver to Belfast

Our best American Airlines deals on Denver to Belfast flight tickets
American Airlines
10 Mar
DEN10:25Denver Intl
18h 05m
2 stops
BHD10:30Belfast City
24 Mar
BHD10:00Belfast City
18h 53m
2 stops
DEN22:53Denver Intl
£511
American Airlines
10 Mar
DEN18:25Denver Intl
19h 50m
1 stop
BHD20:15Belfast City
24 Mar
BHD11:25Belfast City
17h 28m
2 stops
DEN22:53Denver Intl
£515
American Airlines
1 May
DEN17:44Denver Intl
14h 46m
2 stops
BHD15:30Belfast City
7 May
BHD09:35Belfast City
13h 55m
1 stop
DEN16:30Denver Intl
£531

momondo Fare Finder

 
Customise your flight search to find flights from Denver to Belfast 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 279,928 searches. Data last updated 1 March 2026.
Use the filters below to find and compare flights from Denver to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 16/4

18:40-20:35

1 stop18h 55m

Belfast City

Tue 21/4

09:40-16:30

1 stop13h 50m

£515

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 6/4

18:40-09:00

1 stop31h 20m

Belfast City

Fri 2/10

06:30-16:30

1 stop17h 00m

£521

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 16/4

18:30-18:45

2 stops17h 15m

Belfast City

Tue 21/4

09:40-21:59

2 stops19h 19m

£523

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 16/4

18:40-20:35

1 stop18h 55m

Belfast City

Tue 21/4

09:40-22:45

2 stops20h 05m

£529

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 1/5

17:44-15:30

2 stops14h 46m

Belfast City

Thu 7/5

09:35-16:30

1 stop13h 55m

£531

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 1/5

18:40-08:55

1 stop31h 15m

Belfast City

Thu 7/5

19:30-16:30

1 stop28h 00m

£533

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 6/4

18:40-09:00

1 stop31h 20m

Belfast City

Fri 2/10

20:10-16:30

1 stop27h 20m

£537

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 16/4

17:44-18:45

2 stops18h 01m

Belfast City

Tue 21/4

09:40-22:45

2 stops20h 05m

£537

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 16/4

18:30-18:45

2 stops17h 15m

Belfast City

Tue 21/4

09:40-23:59

2 stops21h 19m

£538

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Mon 13/4

11:10-23:10

3 stops29h 00m

Belfast Intl

Mon 20/4

07:00-10:18

3 stops34h 18m

£571

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Belfast from

How to get the cheapest flight ticket from Denver to Belfast

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 airline that flies from Denver Intl to Belfast?

British Airways and KLM are the most popular carriers operating from Denver Intl to Belfast

Cheap Denver to Belfast flight deals and tips

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

Fastest flight time

13h 50m

Direct flights

None
The fastest flight from Denver to Belfast takes 13h 50m
There are no direct flights from Denver to Belfast. There are no popular flight routes from Denver to Belfast.
Search flight deals

  • How far is Denver Intl to Belfast by plane?

    Denver Intl and Belfast are 4363.2 mi apart from one another. In terms of flight time, this usually takes a little over 13h 50m.

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

    Prices for flights from Denver Intl Airport to Belfast are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

It is quick and easy to find Denver to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

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

Yes. All flights to Belfast from Denver on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Denver to Belfast?

Once all potential Denver to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Denver to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Belfast trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 31/3
Tue 7/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport