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Cheap flights from Colorado to Belfast from $358

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 8/25. 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 round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:40 pm - 5:40 pm
DEN
-
BHD
16h 00m
1 stop
British Airways Logo
6:30 am - 4:30 pm
BHD
-
DEN
17h 00m
1 stop
$930British Airways
Sun, Aug 23 - Tue, Sep 1
British Airways Logo
6:40 pm - 2:35 pm
DEN
-
BHD
12h 55m
1 stop
British Airways Logo
6:30 am - 4:30 pm
BHD
-
DEN
17h 00m
1 stop
$931British Airways
Sun, Aug 23 - Tue, Sep 1
British Airways Logo
6:40 pm - 3:30 pm
DEN
-
BHD
13h 50m
1 stop
British Airways Logo
6:30 am - 4:30 pm
BHD
-
DEN
17h 00m
1 stop
$935British Airways
Mon, Aug 31 - Fri, Sep 11
British Airways Logo
6:40 pm - 3:30 pm
DEN
-
BHD
13h 50m
1 stop
British Airways Logo
6:30 am - 4:30 pm
BHD
-
DEN
17h 00m
1 stop
$936British Airways
Mon, Aug 31 - Fri, Sep 11
British Airways Logo
6:40 pm - 2:35 pm
DEN
-
BHD
12h 55m
1 stop
British Airways Logo
8:35 pm - 4:30 pm
BHD
-
DEN
26h 55m
1 stop
$951British Airways
Sun, Sep 6 - Thu, Sep 10
British Airways Logo
6:40 pm - 5:40 pm
DEN
-
BHD
16h 00m
1 stop
British Airways Logo
8:35 pm - 4:30 pm
BHD
-
DEN
26h 55m
1 stop
$952British Airways
Sun, Sep 6 - Thu, Sep 10
American Airlines Logo
5:45 pm - 6:45 pm
DEN
-
BHD
18h 00m
2 stops
American Airlines Logo
6:30 am - 4:30 pm
BHD
-
DEN
17h 00m
1 stop
$954American Airlines
Sun, Aug 23 - Tue, Sep 1
British Airways Logo
2:23 pm - 3:20 pm
DEN
-
BHD
17h 57m
2 stops
British Airways Logo
6:30 am - 4:30 pm
BHD
-
DEN
17h 00m
1 stop
$956British Airways
Tue, Sep 1 - Tue, Sep 15
British Airways Logo
9:06 am - 10:30 am
DEN
-
BHD
18h 24m
2 stops
British Airways Logo
9:40 am - 4:30 pm
BHD
-
DEN
13h 50m
1 stop
$957British Airways
Sun, Aug 23 - Tue, Sep 1
British Airways Logo
6:40 pm - 3:20 pm
DEN
-
BHD
13h 40m
1 stop
British Airways Logo
6:30 am - 4:30 pm
BHD
-
DEN
17h 00m
1 stop
$959British Airways
Tue, Sep 1 - Tue, Sep 15

British Airways flights from Colorado to Belfast City Airport

Our best British Airways deals on Colorado to Belfast City Airport flight tickets
British Airways
Aug 23
DEN6:40 pmDenver Intl
16h 00m
1 stop
BHD5:40 pmBelfast City
Sep 1
BHD6:30 amBelfast City
17h 00m
1 stop
DEN4:30 pmDenver Intl
$930
British Airways
Aug 23
DEN6:40 pmDenver Intl
12h 55m
1 stop
BHD2:35 pmBelfast City
Sep 1
BHD6:30 amBelfast City
17h 00m
1 stop
DEN4:30 pmDenver Intl
$931
British Airways
Aug 31
DEN6:40 pmDenver Intl
13h 50m
1 stop
BHD3:30 pmBelfast City
Sep 11
BHD6:30 amBelfast City
17h 00m
1 stop
DEN4:30 pmDenver Intl
$935

American Airlines flights from Colorado to Belfast City Airport

Our best American Airlines deals on Colorado to Belfast City Airport flight tickets
American Airlines
Aug 23
DEN5:45 pmDenver Intl
18h 00m
2 stops
BHD6:45 pmBelfast City
Sep 1
BHD6:30 amBelfast City
17h 00m
1 stop
DEN4:30 pmDenver Intl
$954
American Airlines
Aug 23
DEN6:27 pmDenver Intl
17h 18m
2 stops
BHD6:45 pmBelfast City
Sep 1
BHD9:40 amBelfast City
19h 00m
2 stops
DEN9:40 pmDenver Intl
$964
American Airlines
Aug 31
DEN3:14 pmDenver Intl
17h 16m
2 stops
BHD3:30 pmBelfast City
Sep 11
BHD6:30 amBelfast City
18h 57m
2 stops
DEN6:27 pmDenver Intl
$969

momondo Fare Finder

 
Customize your flight search to find flights from Colorado to Belfast City Airport 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 May 11, 2026.
Use the filters below to find and compare flights from Colorado to Belfast City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 8/23

6:40 pm-5:40 pm

1 stop16h 00m

Belfast City

Tue 9/1

6:30 am-4:30 pm

1 stop17h 00m

$930
Quickest round-trip

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 8/23

6:40 pm-2:35 pm

1 stop12h 55m

Belfast City

Tue 9/1

6:30 am-4:30 pm

1 stop17h 00m

$931

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 8/31

6:40 pm-3:30 pm

1 stop13h 50m

Belfast City

Fri 9/11

6:30 am-4:30 pm

1 stop17h 00m

$935

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 8/31

6:40 pm-3:30 pm

1 stop13h 50m

Belfast City

Fri 9/11

6:30 am-4:30 pm

1 stop17h 00m

$936

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 9/6

6:40 pm-2:35 pm

1 stop12h 55m

Belfast City

Thu 9/10

8:35 pm-4:30 pm

1 stop26h 55m

$951

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 9/6

6:40 pm-5:40 pm

1 stop16h 00m

Belfast City

Thu 9/10

8:35 pm-4:30 pm

1 stop26h 55m

$952

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 8/23

5:45 pm-6:45 pm

2 stops18h 00m

Belfast City

Tue 9/1

6:30 am-4:30 pm

1 stop17h 00m

$954

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 9/1

2:23 pm-3:20 pm

2 stops17h 57m

Belfast City

Tue 9/15

6:30 am-4:30 pm

1 stop17h 00m

$956

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 8/23

9:06 am-10:30 am

2 stops18h 24m

Belfast City

Tue 9/1

9:40 am-4:30 pm

1 stop13h 50m

$957

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 9/1

6:40 pm-3:20 pm

1 stop13h 40m

Belfast City

Tue 9/15

6:30 am-4:30 pm

1 stop17h 00m

$959

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Colorado to Belfast City Airport

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

Can stopping save me money on Colorado to Belfast City Airport flights?

You could potentially save up to 38% on your flight if you consider stops on a Colorado to Belfast City Airport flight.

Cheap Colorado to Belfast City Airport flight deals and tips

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

Fastest flight time

12h 55m

Direct flights

None
The fastest flight from Colorado to Belfast City Airport takes 12h 55m
There are no direct flights from Colorado to Belfast City Airport. There are no popular flight routes from Colorado to Belfast City Airport.
Search flight deals

Frequently asked questions about flying from Colorado to Belfast City Airport

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

    Prices for flights from Colorado to Belfast City Airport are updated daily.

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

    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 Colorado to Belfast City Airport.

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

    The necessary travel and health documents for your Belfast City Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newcastle
Bangor

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado to Belfast for you.

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

Yes. momondo allows you to filter the results for Colorado to Belfast flights to just show those with flexible booking policies.

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

Once all potential Colorado 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 Colorado to Belfast right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Belfast from Colorado. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Belfast City Airport 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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