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Cheap flights from Colorado to Belfast from £203

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Belfast departing on 3/3. 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 Colorado to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:40 - 21:10
DEN
-
BFS
22h 30m
2 stops
Multiple Airlines Logo
08:35 - 19:05
BFS
-
DEN
16h 30m
2 stops
£484Multiple Airlines
Mon, 2 Mar - Mon, 9 Mar
British Airways Logo
17:25 - 16:05
DEN
-
BHD
15h 40m
1 stop
British Airways Logo
09:15 - 16:30
BHD
-
DEN
13h 15m
1 stop
£492British Airways
Mon, 2 Mar - Mon, 9 Mar
British Airways Logo
17:25 - 07:30
DEN
-
BHD
31h 05m
1 stop
British Airways Logo
12:10 - 16:30
BHD
-
DEN
34h 20m
1 stop
£503British Airways
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
17:25 - 07:30
DEN
-
BHD
31h 05m
1 stop
British Airways Logo
20:25 - 16:30
BHD
-
DEN
26h 05m
1 stop
£505British Airways
Wed, 4 Mar - Sun, 8 Mar
American Airlines Logo
14:28 - 16:35
DEN
-
BHD
19h 07m
2 stops
American Airlines Logo
08:45 - 20:14
BHD
-
DEN
18h 29m
2 stops
£505American Airlines
Wed, 18 Feb - Fri, 27 Feb
British Airways Logo
18:40 - 17:35
DEN
-
BHD
15h 55m
1 stop
British Airways Logo
19:05 - 16:30
BHD
-
DEN
28h 25m
1 stop
£506British Airways
Tue, 5 May - Sat, 16 May
American Airlines Logo
09:30 - 10:15
DEN
-
BHD
17h 45m
2 stops
American Airlines Logo
08:45 - 20:05
BHD
-
DEN
18h 20m
2 stops
£507American Airlines
Wed, 18 Feb - Fri, 27 Feb
British Airways Logo
18:40 - 15:20
DEN
-
BHD
13h 40m
1 stop
British Airways Logo
07:05 - 19:55
BHD
-
DEN
19h 50m
2 stops
£508British Airways
Tue, 5 May - Sat, 16 May
British Airways Logo
18:40 - 19:25
DEN
-
BHD
17h 45m
1 stop
British Airways Logo
09:40 - 16:30
BHD
-
DEN
13h 50m
1 stop
£510British Airways
Thu, 16 Apr - Tue, 21 Apr
Multiple Airlines Logo
17:45 - 20:15
DEN
-
BFS
19h 30m
2 stops
Multiple Airlines Logo
19:20 - 19:55
BFS
-
DEN
30h 35m
3 stops
£564Multiple Airlines
Mon, 2 Mar - Mon, 9 Mar

British Airways flights from Colorado to Belfast

Our best British Airways deals on Colorado to Belfast flight tickets
British Airways
2 Mar
DEN17:25Denver Intl
15h 40m
1 stop
BHD16:05Belfast City
9 Mar
BHD09:15Belfast City
13h 15m
1 stop
DEN16:30Denver Intl
£492
British Airways
4 Mar
DEN17:25Denver Intl
31h 05m
1 stop
BHD07:30Belfast City
8 Mar
BHD12:10Belfast City
34h 20m
1 stop
DEN16:30Denver Intl
£503
British Airways
4 Mar
DEN17:25Denver Intl
31h 05m
1 stop
BHD07:30Belfast City
8 Mar
BHD20:25Belfast City
26h 05m
1 stop
DEN16:30Denver Intl
£505

American Airlines flights from Colorado to Belfast

Our best American Airlines deals on Colorado to Belfast flight tickets
American Airlines
18 Feb
DEN14:28Denver Intl
19h 07m
2 stops
BHD16:35Belfast City
27 Feb
BHD08:45Belfast City
18h 29m
2 stops
DEN20:14Denver Intl
£505
American Airlines
18 Feb
DEN09:30Denver Intl
17h 45m
2 stops
BHD10:15Belfast City
27 Feb
BHD08:45Belfast City
18h 20m
2 stops
DEN20:05Denver Intl
£507
American Airlines
16 Apr
DEN17:44Denver Intl
18h 01m
2 stops
BHD18:45Belfast City
21 Apr
BHD09:40Belfast City
19h 19m
2 stops
DEN21:59Denver Intl
£517

momondo Fare Finder

 
Customise your flight search to find flights from Colorado 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 5 February 2026.
Use the filters below to find and compare flights from Colorado to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Mon 2/3

15:40-21:10

2 stops22h 30m

Belfast Intl

Mon 9/3

08:35-19:05

2 stops16h 30m

£484

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 2/3

17:25-16:05

1 stop15h 40m

Belfast City

Mon 9/3

09:15-16:30

1 stop13h 15m

£492

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 4/3

17:25-07:30

1 stop31h 05m

Belfast City

Sun 8/3

12:10-16:30

1 stop34h 20m

£503

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 4/3

17:25-07:30

1 stop31h 05m

Belfast City

Sun 8/3

20:25-16:30

1 stop26h 05m

£505

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 18/2

14:28-16:35

2 stops19h 07m

Belfast City

Fri 27/2

08:45-20:14

2 stops18h 29m

£505

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 5/5

18:40-17:35

1 stop15h 55m

Belfast City

Sat 16/5

19:05-16:30

1 stop28h 25m

£506

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 18/2

09:30-10:15

2 stops17h 45m

Belfast City

Fri 27/2

08:45-20:05

2 stops18h 20m

£507

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 5/5

18:40-15:20

1 stop13h 40m

Belfast City

Sat 16/5

07:05-19:55

2 stops19h 50m

£508

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 16/4

18:40-19:25

1 stop17h 45m

Belfast City

Tue 21/4

09:40-16:30

1 stop13h 50m

£510

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Mon 2/3

17:45-20:15

2 stops19h 30m

Belfast Intl

Mon 9/3

19:20-19:55

3 stops30h 35m

£564

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

See travel insights to Belfast from

How to get the cheapest flight ticket from Colorado 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 Colorado to Belfast?

British Airways is the most popular carrier operating from Colorado to Belfast

Cheap Colorado to Belfast flight deals and tips

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

Fastest flight time

15h 55m

Direct flights

None
The fastest flight from Colorado to Belfast takes 15h 55m
There are no direct flights from Colorado to Belfast. There are no popular flight routes from Colorado to Belfast.
Search flight deals

  • When did momondo last update prices for flights from Colorado to Belfast?

    Prices for flights from Colorado to Belfast refresh daily.

  • How old do you have to be to fly from Colorado to Belfast?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Belfast.

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

    The travel and health documents you'll need for your trip to Belfast may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

It is quick and easy to find Colorado 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 Colorado to Belfast with flexible booking policies on momondo?

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Colorado to Belfast.

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

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

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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