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

Prices for flights from Colorado to Belfast are updated 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.

$354 Cheap Flights from Colorado to Belfast in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Belfast

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:01 pm - 8:10 pmDEN Denver Intl-BHD Belfast City

20h 09m1 stop London Heathrow

2:50 pm - 4:10 pmBHD Belfast City-DEN Denver Intl

31h 20m1 stop London Heathrow

$958Iberia

Mon, Mar 8 - Mon, Mar 15

5:01 pm - 4:55 pmDEN Denver Intl-BHD Belfast City

16h 54m1 stop London Heathrow

7:40 pm - 10:48 pmBHD Belfast City-DEN Denver Intl

33h 08m2 stops London Heathrow Dallas/Fort Worth

$968Iberia

Wed, Mar 10 - Mon, Mar 22

12:24 pm - 2:15 pmDEN Denver Intl-BHD Belfast City

18h 51m2 stops Chicago O'Hare Intl London Heathrow

7:40 pm - 4:10 pmBHD Belfast City-DEN Denver Intl

26h 30m1 stop London Heathrow

$981British Airways

Mon, Mar 8 - Mon, Mar 15

6:40 pm - 3:30 pmDEN Denver Intl-BHD Belfast City

13h 50m1 stop London Heathrow

6:20 pm - 4:30 pmBHD Belfast City-DEN Denver Intl

29h 10m1 stop London Heathrow

$982British Airways

Mon, May 3 - Wed, May 5

5:01 pm - 1:15 pmDEN Denver Intl-BHD Belfast City

13h 14m1 stop London Heathrow

2:50 pm - 4:10 pmBHD Belfast City-DEN Denver Intl

31h 20m1 stop London Heathrow

$991British Airways

Wed, Mar 10 - Mon, Mar 22

12:45 pm - 4:50 pmDEN Denver Intl-BHD Belfast City

21h 05m2 stops Salt Lake City Amsterdam Schiphol

5:20 pm - 5:35 pmBHD Belfast City-DEN Denver Intl

30h 15m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$1,001KLM

Mon, Mar 8 - Mon, Mar 15

5:01 pm - 2:15 pmDEN Denver Intl-BHD Belfast City

14h 14m1 stop London Heathrow

11:40 am - 3:10 pmBHD Belfast City-DEN Denver Intl

34h 30m1 stop London Heathrow

$1,055American Airlines

Mon, Dec 7 - Mon, Dec 14

7:05 am - 9:10 amDEN Denver Intl-BHD Belfast City

19h 05m2 stops New York John F Kennedy Intl Amsterdam Schiphol

5:15 pm - 5:14 pmBHD Belfast City-DEN Denver Intl

30h 59m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,077KLM

Mon, Dec 7 - Mon, Dec 14

11:25 am - 2:30 pmDEN Denver Intl-BHD Belfast City

20h 05m3 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National Manchester

2:20 pm - 7:00 pmBHD Belfast City-DEN Denver Intl

34h 40m2 stops London Gatwick Reykjavik Keflavik Intl

$1,096Multiple Airlines

Mon, Mar 8 - Mon, Mar 15

4:15 pm - 9:10 amDEN Denver Intl-BHD Belfast City

33h 55m3 stops Munich Franz Josef Strauss Berlin Brandenburg Amsterdam Schiphol

5:15 pm - 3:35 pmBHD Belfast City-DEN Denver Intl

29h 20m3 stops Amsterdam Schiphol Berlin Brandenburg Frankfurt am Main

$1,195Multiple Airlines

Mon, Dec 7 - Mon, Dec 14

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British Airways flights from Colorado to Belfast

Our best British Airways deals on Colorado to Belfast flight tickets

British Airways

Mar 8

DEN12:24 pmDenver Intl

18h 51m

2 stops

BHD2:15 pmBelfast City

Mar 15

BHD7:40 pmBelfast City

26h 30m

1 stop

DEN4:10 pmDenver Intl

$981

British Airways

May 3

DEN6:40 pmDenver Intl

13h 50m

1 stop

BHD3:30 pmBelfast City

May 5

BHD6:20 pmBelfast City

29h 10m

1 stop

DEN4:30 pmDenver Intl

$982

British Airways

Mar 10

DEN5:01 pmDenver Intl

13h 14m

1 stop

BHD1:15 pmBelfast City

Mar 22

BHD2:50 pmBelfast City

31h 20m

1 stop

DEN4:10 pmDenver Intl

$991

Finnair flights from Colorado to Belfast

Our best Finnair deals on Colorado to Belfast flight tickets

Finnair

Nov 18

DEN5:01 pmDenver Intl

13h 14m

1 stop

BHD1:15 pmBelfast City

Nov 30

BHD2:50 pmBelfast City

31h 20m

1 stop

DEN3:10 pmDenver Intl

$4,513

Finnair

Nov 18

DEN5:01 pmDenver Intl

13h 14m

1 stop

BHD1:15 pmBelfast City

Nov 30

BHD2:50 pmBelfast City

31h 20m

1 stop

DEN3:10 pmDenver Intl

$4,534

Finnair

Nov 18

DEN5:01 pmDenver Intl

13h 14m

1 stop

BHD1:15 pmBelfast City

Nov 30

BHD2:50 pmBelfast City

31h 20m

1 stop

DEN3:10 pmDenver Intl

$4,665

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 3/8

5:01 pm-8:10 pm

1 stop20h 09m

Belfast City

Mon 3/15

2:50 pm-4:10 pm

1 stop31h 20m

$958

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Wed 3/10

5:01 pm-4:55 pm

1 stop16h 54m

Belfast City

Mon 3/22

7:40 pm-10:48 pm

2 stops33h 08m

$968

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 3/8

12:24 pm-2:15 pm

2 stops18h 51m

Belfast City

Mon 3/15

7:40 pm-4:10 pm

1 stop26h 30m

$981

Quickest round-trip

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 5/3

6:40 pm-3:30 pm

1 stop13h 50m

Belfast City

Wed 5/5

6:20 pm-4:30 pm

1 stop29h 10m

$982

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Wed 3/10

5:01 pm-1:15 pm

1 stop13h 14m

Belfast City

Mon 3/22

2:50 pm-4:10 pm

1 stop31h 20m

$991

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 3/8

12:45 pm-4:50 pm

2 stops21h 05m

Belfast City

Mon 3/15

5:20 pm-5:35 pm

2 stops30h 15m

$1,001

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 12/7

5:01 pm-2:15 pm

1 stop14h 14m

Belfast City

Mon 12/14

11:40 am-3:10 pm

1 stop34h 30m

$1,055

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 12/7

7:05 am-9:10 am

2 stops19h 05m

Belfast City

Mon 12/14

5:15 pm-5:14 pm

2 stops30h 59m

$1,077

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 3/8

11:25 am-2:30 pm

3 stops20h 05m

Belfast City

Mon 3/15

2:20 pm-7:00 pm

2 stops34h 40m

$1,096

DenverBelfast

DEN Denver Intl - BHD Belfast City

DENBHD

Denver Intl

Mon 12/7

4:15 pm-9:10 am

3 stops33h 55m

Belfast City

Mon 12/14

5:15 pm-3:35 pm

3 stops29h 20m

$1,195

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

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

Best Price Found	$354
Fastest flight time	13h 50m
Direct flights	None

The best one-way flight to Belfast from Colorado in the past 72 hours is $354. The best round-trip flight deal from Colorado to Belfast found on momondo in the last 72 hours is $958.

The fastest flight from Colorado to Belfast takes 13h 50m

There are no direct flights from Colorado to Belfast. There are no popular flight routes from Colorado to Belfast.

Search flight deals

Frequently asked questions about flying from Colorado to Belfast

When did momondo last update prices for flights from Colorado to Belfast?
Prices for flights from Colorado to Belfast are updated 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.

Best airlines flying from Colorado to Belfast

Compare and see reviews for airlines that fly from Colorado to Belfast with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $645	Free Cancellation	Rating 6.7 8,286 reviews		Search British Airways flights

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 enables you to select and highlight flights to Belfast from Colorado with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from Colorado.

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

Yes. momondo can track prices for Colorado to Belfast flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Belfast trip

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Cheap flights from Colorado to Belfast from $354

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 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Colorado to Belfast

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Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

British Airways flights from Colorado to Belfast

Our best British Airways deals on Colorado to Belfast flight tickets

Finnair flights from Colorado to Belfast

Our best Finnair deals on Colorado to Belfast flight tickets

momondo Fare Finder

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How to get the cheapest flight ticket from Colorado to Belfast

What is the cheapest airline that flies from Colorado to Belfast?

Cheap Colorado to Belfast flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Colorado to Belfast

Best airlines flying from Colorado to Belfast

Compare and see reviews for airlines that fly from Colorado to Belfast with momondo

Why use momondo?

An easier way to manage your Belfast 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Fly your favorite airline to Belfast

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Colorado

According to popular flight searches on momondo this year

Complete your trip to Belfast

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According to popular flight searches on momondo this year