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Belfast City

$640+ Cheap flights from Denver (DEN) to Belfast City (BHD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BHD
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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Cheap flight deals from Denver to Belfast City

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Belfast City (BHD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$661
(British Airways)

Popular in

March

Cheapest in

February

Average price

$909
Provider with most accurate pricing for Denver Intl-Belfast City flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Belfast City flights.
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From Denver Intl to Belfast City
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High demand for flights, 6% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Denver to Belfast City

Cheapest flights from Denver to Belfast City
Explore the most affordable flight options available from Denver to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 6, 2026.

This oojo deal was found by Cheapflights users on 1/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/182:28 pmDEN - BHD
2 stops19h 07mBritish Airways
Fri 2/278:45 amBHD - DEN
1 stop13h 45mBritish Airways
Deal found 1/6$640
This Cheapflightsfares deal was found by Cheapflights users on 1/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/55:25 pmDEN - BHD
1 stop20h 05mBritish Airways
Thu 2/129:05 amBHD - DEN
1 stop13h 25mBritish Airways
Deal found 1/6$646
This British Airways deal was found by Cheapflights users on 1/5. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:25 pmDEN - BHD
1 stop13h 50mBritish Airways
Sun 3/13:10 pmBHD - DEN
1 stop31h 20mBritish Airways
Deal found 1/5$661
This Cheapflightsfares deal was found by Cheapflights users on 1/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:40 pmDEN - BHD
1 stop18h 55mBritish Airways
Tue 4/216:30 amBHD - DEN
1 stop17h 00mBritish Airways
Deal found 1/6$662

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Belfast City 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 January 6, 2026.
Use the filters below to find and compare flights from Denver to Belfast City Airport that are best for you.

Fly from

Denver

Fly to

Belfast City

Route

Depart

Return

Price

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 2/18

2:28 pm-4:35 pm

2 stops19h 07m

Belfast City

Fri 2/27

8:45 am-3:30 pm

1 stop13h 45m

$640

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 2/5

5:25 pm-8:30 pm

1 stop20h 05m

Belfast City

Thu 2/12

9:05 am-3:30 pm

1 stop13h 25m

$646

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 3/4

5:25 pm-2:15 pm

1 stop13h 50m

Belfast City

Sun 3/8

12:10 pm-4:30 pm

1 stop34h 20m

$661

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 2/25

5:25 pm-2:15 pm

1 stop13h 50m

Belfast City

Sun 3/1

3:10 pm-3:30 pm

1 stop31h 20m

$661

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 5/4

6:40 pm-5:30 pm

1 stop15h 50m

Belfast City

Mon 5/18

9:50 am-4:30 pm

1 stop13h 40m

$666

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 4/16

6:40 pm-8:35 pm

1 stop18h 55m

Belfast City

Tue 4/21

9:40 am-10:40 pm

2 stops20h 00m

$671

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Compare providers for flights from Denver to Belfast City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Belfast City in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Belfast City Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Belfast City Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Belfast City Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Belfast City Airport flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Belfast City Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Belfast City

Have a flexible travel schedule? Discover the best time to fly to Belfast City from Denver 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.

Related info for your journey

Find useful and relevant information for your journey from Denver to Belfast City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to Belfast City?

    Denver Intl (DEN) is the airport you will fly out of if you book a flight from Denver to Belfast City. You should not have trouble finding flights to Belfast City from Denver Intl; the airport handles an average of 0 outbound flights to Belfast City per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Denver airport to Belfast City. It is only a 18.5 mi journey to Denver Intl (DEN) from Denver’s city center.

  • How long is the flight from Denver to Belfast City Airport?

    Departing from Denver to Belfast City Airport will take you 19h 07m. The distance from Denver to Belfast City Airport is about 4347 mi.

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

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

  • How can I find direct flights from Denver to Belfast City?

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

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

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

See more FAQs

Traveling to a place near Belfast City Airport?

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

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