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Cheap flights from Colorado to Belfast from $394

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 1/15. 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
4:52 pm - 4:45 pmDEN-BHD
16h 53m2 stops
British Airways Logo
8:25 pm - 3:30 pmBHD-DEN
26h 05m1 stop
$663British Airways
Find Deal
Sat, Feb 14 - Sun, Feb 22
British Airways Logo
5:25 pm - 2:15 pmDEN-BHD
13h 50m1 stop
British Airways Logo
8:25 pm - 3:30 pmBHD-DEN
26h 05m1 stop
$665British Airways
Find Deal
Fri, Feb 13 - Sun, Feb 22
American Airlines Logo
12:33 pm - 2:15 pmDEN-BHD
18h 42m2 stops
American Airlines Logo
10:40 am - 10:42 pmBHD-DEN
19h 02m2 stops
$683American Airlines
Find Deal
Fri, Feb 13 - Sun, Feb 22
American Airlines Logo
5:51 pm - 5:15 pmDEN-BHD
16h 24m2 stops
American Airlines Logo
9:35 am - 9:50 pmBHD-DEN
19h 15m2 stops
$699American Airlines
Find Deal
Sat, May 2 - Sat, May 9
Virgin Atlantic Logo
4:00 pm - 9:20 pmDEN-BHD
22h 20m2 stops
Virgin Atlantic Logo
6:30 am - 6:31 pmBHD-DEN
19h 01m2 stops
$722Virgin Atlantic
Find Deal
Wed, Apr 1 - Sun, Apr 5
Multiple Airlines Logo
3:40 pm - 7:00 pmDEN-BHD
20h 20m2 stops
Multiple Airlines Logo
7:25 am - 6:05 pmBHD-DEN
17h 40m2 stops
$725Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Virgin Atlantic Logo
12:45 pm - 9:20 pmDEN-BHD
25h 35m2 stops
Virgin Atlantic Logo
6:30 am - 6:31 pmBHD-DEN
19h 01m2 stops
$796Virgin Atlantic
Find Deal
Fri, Apr 3 - Tue, Apr 7
Multiple Airlines Logo
4:00 pm - 4:55 pmDEN-BHD
17h 55m2 stops
Multiple Airlines Logo
6:30 am - 6:10 pmBHD-DEN
18h 40m2 stops
$861Multiple Airlines
Find Deal
Sun, May 3 - Sat, May 9
KLM Logo
6:25 pm - 9:20 pmDEN-BHD
19h 55m2 stops
KLM Logo
6:30 am - 6:09 pmBHD-DEN
18h 39m2 stops
$898KLM
Find Deal
Fri, Apr 3 - Tue, Apr 7
KLM Logo
4:40 pm - 4:55 pmDEN-BHD
17h 15m2 stops
KLM Logo
6:30 am - 5:31 pmBHD-DEN
18h 01m2 stops
$1,212KLM
Find Deal
Fri, May 1 - Sun, May 10

KLM flights from Colorado to Belfast City Airport

Our best KLM deals on Colorado to Belfast City Airport flight tickets
KLM
Apr 3
DEN6:25 pmDenver Intl
19h 55m
2 stops
BHD9:20 pmBelfast City
Apr 7
BHD6:30 amBelfast City
18h 39m
2 stops
DEN6:09 pmDenver Intl
$898
Find similar
KLM
May 1
DEN4:40 pmDenver Intl
17h 15m
2 stops
BHD4:55 pmBelfast City
May 10
BHD6:30 amBelfast City
18h 01m
2 stops
DEN5:31 pmDenver Intl
$1,212
Find similar

American Airlines flights from Colorado to Belfast City Airport

Our best American Airlines deals on Colorado to Belfast City Airport flight tickets
American Airlines
Feb 13
DEN12:33 pmDenver Intl
18h 42m
2 stops
BHD2:15 pmBelfast City
Feb 22
BHD10:40 amBelfast City
19h 02m
2 stops
DEN10:42 pmDenver Intl
$683
Find similar
American Airlines
May 2
DEN5:51 pmDenver Intl
16h 24m
2 stops
BHD5:15 pmBelfast City
May 9
BHD9:35 amBelfast City
19h 15m
2 stops
DEN9:50 pmDenver Intl
$699
Find similar
American Airlines
Apr 1
DEN12:36 pmDenver Intl
19h 59m
2 stops
BHD3:35 pmBelfast City
Apr 5
BHD3:50 pmBelfast City
31h 45m
1 stop
DEN4:35 pmDenver Intl
$889
Find similar

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 November 5, 2025.
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

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sat 2/14

4:52 pm-4:45 pm

2 stops16h 53m

Belfast City

Sun 2/22

8:25 pm-3:30 pm

1 stop26h 05m

$663

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 2/13

5:25 pm-2:15 pm

1 stop13h 50m

Belfast City

Sun 2/22

8:25 pm-3:30 pm

1 stop26h 05m

$665

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 2/13

12:33 pm-2:15 pm

2 stops18h 42m

Belfast City

Sun 2/22

10:40 am-10:42 pm

2 stops19h 02m

$683

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sat 5/2

5:51 pm-5:15 pm

2 stops16h 24m

Belfast City

Sat 5/9

9:35 am-9:50 pm

2 stops19h 15m

$699

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 4/1

4:00 pm-9:20 pm

2 stops22h 20m

Belfast City

Sun 4/5

6:30 am-6:31 pm

2 stops19h 01m

$722

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 12/3

3:40 pm-7:00 pm

2 stops20h 20m

Belfast City

Wed 12/10

7:25 am-6:05 pm

2 stops17h 40m

$725

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 4/3

12:45 pm-9:20 pm

2 stops25h 35m

Belfast City

Tue 4/7

6:30 am-6:31 pm

2 stops19h 01m

$796

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 5/3

4:00 pm-4:55 pm

2 stops17h 55m

Belfast City

Sat 5/9

6:30 am-6:10 pm

2 stops18h 40m

$861

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 4/3

6:25 pm-9:20 pm

2 stops19h 55m

Belfast City

Tue 4/7

6:30 am-6:09 pm

2 stops18h 39m

$898

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 5/1

4:40 pm-4:55 pm

2 stops17h 15m

Belfast City

Sun 5/10

6:30 am-5:31 pm

2 stops18h 01m

$1,212

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 18% 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

Direct flights

None
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

  • 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 many operators does momondo search for flights from Colorado to Belfast City Airport?

  • 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.

Best airlines flying from Colorado to Belfast City Airport

Compare and see reviews for airlines that fly from Colorado to Belfast City Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $608Free CancellationRating
6.7
7,496 reviews
Search British Airways flights

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.

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