Belfast

$379+ Cheap flights from Colorado to Belfast

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BHD
Aug 5 — Aug 121
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Cheap flight deals from Colorado to Belfast

Keep the following information in mind while searching for Colorado to Belfast flight deals. Data was last updated July 31, 2025.

Round-trip from

$657
(Ovago)

One-way from

$379
(Cheapflightsfares)

Popular in

December

Cheapest in

February

Average price

$1,068
From Colorado to Belfast
One-way flight from Colorado to Belfast
Highest demand for flights based on searches. 9% potential increase in price ($97 potential increase over avg. RT price).
Cheapest flight prices on average. 8% potential price decrease ($67 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Colorado to Belfast

Cheapest flights from Colorado to Belfast
Explore the most affordable flight options available from Colorado to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Ovago deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:32 amDEN - BHD
2 stops17h 38mBritish Airways
Sun 10/126:50 amBHD - DEN
1 stop16h 35mBritish Airways
Deal found 7/31$657
This Virgin Atlantic deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:05 pmDEN - BHD
2 stops26h 10mVirgin Atlantic
Tue 10/76:30 amBHD - DEN
2 stops22h 11mVirgin Atlantic
Deal found 7/30$750
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:35 pmDEN - BHD
1 stop13h 55mAmerican Airlines
Thu 10/26:35 amBHD - DEN
1 stop16h 50mAmerican Airlines
Deal found 7/30$780
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/44:49 pmDEN - BHD
2 stops17h 06mDelta
Wed 10/86:30 amBHD - DEN
2 stops16h 12mDelta
Deal found 7/29$829
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/296:35 pmDEN - BFS
1 stop30h 25mMultiple Airlines
Fri 9/56:05 amBFS - DEN
2 stops33h 49mMultiple Airlines
Deal found 7/30$943
This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2911:25 amDEN - BHD
3 stops20h 05mMultiple Airlines
Fri 9/52:25 pmBHD - DEN
3 stops33h 08mMultiple Airlines
Deal found 7/30$1,000

Cheapflights Fare Finder

 
Customize 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, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Colorado to Belfast that are best for you.

Fly from

Colorado

Fly to

Belfast

Route

Depart

Return

Price

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 10/2

10:32 am-11:10 am

2 stops17h 38m

Belfast City

Sun 10/12

6:50 am-4:25 pm

1 stop16h 35m

$657

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 10/3

12:05 pm-9:15 pm

2 stops26h 10m

Belfast City

Tue 10/7

6:30 am-9:41 pm

2 stops22h 11m

$750

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 9/26

6:35 pm-3:30 pm

1 stop13h 55m

Belfast City

Thu 10/2

6:35 am-4:25 pm

1 stop16h 50m

$780

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sat 10/4

4:49 pm-4:55 pm

2 stops17h 06m

Belfast City

Wed 10/8

6:30 am-3:42 pm

2 stops16h 12m

$829

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Fri 8/29

6:35 pm-8:00 am

1 stop30h 25m

Belfast Intl

Fri 9/5

6:05 am-8:54 am

2 stops33h 49m

$943

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 8/29

11:25 am-2:30 pm

3 stops20h 05m

Belfast City

Fri 9/5

2:25 pm-4:33 pm

3 stops33h 08m

$1,000

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 10/2

6:35 pm-3:30 pm

1 stop13h 55m

$379

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 8/19

10:35 am-10:35 am

2 stops17h 00m

$399

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 8/19

6:35 pm-3:20 pm

1 stop13h 45m

$675

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Colorado to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Colorado with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Belfast

What is the cheapest time of day to fly from CO to BFS?

Find hourly flight availability from Colorado to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Belfast as you normally would.

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated July 31, 2025.
Read through reviews of airlines operating flights from Colorado to Belfast, such as Delta, Virgin Atlantic, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Colorado to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from Colorado to Belfast one-way?

    $379 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on American Airlines and Aer Lingus, with prices starting from $399 and $675, respectively.

  • Can I find deals for flights from Colorado to Belfast that include hotel bookings?

    Yes. In addition to deals on Colorado to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Belfast?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Belfast.

  • Can I find deals for business class flights from Colorado to Belfast?

    Yes. Cheapflights offers flight deals from Colorado to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado to Belfast?

    Currently, February is the cheapest month in which you can book a flight from Colorado to Belfast (average of $657). Flying from Colorado to Belfast in June is currently the most expensive (average of $1,189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Colorado to Belfast

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Colorado to Belfast

Discover the top airline that operate flights from Colorado to Belfast. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$608Average$771FlexibilityNo cancel feeOn-time70%

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