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Belfast City

$284+ Cheap flights from Denver (DEN) to Belfast City (BHD)

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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BHD
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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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 November 26, 2025.

This KLM deal was found by Cheapflights users on 11/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:59 pmDEN - BHD
2 stops19h 51mKLM
Thu 12/116:30 amBHD - DEN
2 stops18h 22mKLM
Deal found 11/24$695
This oojo deal was found by Cheapflights users on 11/24. 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.
Tue 12/25:25 pmDEN - BHD
1 stop16h 20mBritish Airways
Thu 12/118:00 pmBHD - DEN
1 stop26h 30mBritish Airways
Deal found 11/24$800
This American Airlines deal was found by Cheapflights users on 11/24. 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.
Mon 12/112:17 amDEN - BHD
2 stops33h 28mMultiple Airlines
Thu 12/1110:40 amBHD - DEN
2 stops18h 40mMultiple Airlines
Deal found 11/24$1,061

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 November 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$652
(oojo)

One-way from

$284
(Kiwi.com)

Popular in

December

Cheapest in

February
Provider with most accurate pricing for Denver Intl-Belfast City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Belfast City flights.
Search Deals
From Denver Intl to Belfast City
Search Deals
One-way flight from Denver Intl to Belfast City
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($230 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($68 potential savings vs. average RT price).
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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 November 26, 2025.
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

Thu 4/16

6:40 pm-3:30 pm

1 stop13h 50m

Belfast City

Tue 4/21

8:20 pm-4:35 pm

1 stop27h 15m

$652

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 1/16

5:25 pm-2:15 pm

1 stop13h 50m

Belfast City

Tue 1/20

8:45 am-3:30 pm

1 stop13h 45m

$654

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 1/16

12:07 pm-4:50 pm

2 stops21h 43m

Belfast City

Tue 1/20

5:20 pm-7:28 pm

2 stops33h 08m

$690

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 1/16

6:05 am-4:50 pm

2 stops27h 45m

Belfast City

Tue 1/20

5:20 pm-3:15 pm

2 stops28h 55m

$704

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 5/15

6:40 pm-6:15 pm

1 stop16h 35m

Belfast City

Fri 5/22

9:30 am-8:55 pm

2 stops18h 25m

$759

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 1/12

11:59 pm-8:30 pm

3 stops37h 31m

$284

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 1/12

7:10 am-4:50 pm

2 stops26h 40m

$406

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 1/12

5:25 pm-4:05 pm

1 stop15h 40m

$414

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 1/12

5:25 pm-4:05 pm

1 stop15h 40m

$421

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

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 November.
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.

Reviews of airlines servicing Belfast City

Get insights into the airlines that provide service to Belfast City. 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 City. Reviews last updated November 26, 2025.
Read reviews from past customers who have flown British Airways from Denver to Belfast City Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,539 reviews

Crew

7.6

Entertainment

6.4

Overall

6.7

Comfort

6.7

Food

6.3

Boarding

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,539 reviews
British Airways
6.7
Okay
7,539 reviews

Crew

7.6

Entertainment

6.4

Overall

6.7

Comfort

6.7

Food

6.3

Boarding

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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 1 airline has 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 13h 50m. The distance from Denver to Belfast City Airport is about 4347 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Denver to Belfast City Airport round-trip?

    According to our current data, British Airways ($608), offers the cheapest pricing from Denver to Belfast City Airport.

  • What are the cheapest airlines to fly from Denver to Belfast City Airport one-way?

    To fly one-way, consider booking your trip with Virgin Atlantic, which is currently one of the cheapest options available, starting at $406. British Airways flights start at $414 while deals on American Airlines start at $421 one-way.

  • 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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Other flights to Belfast City

Explore flights to Belfast City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 26, 2025.
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Top airline flying from Denver to Belfast City

Discover the top airline that operate flights from Denver to Belfast City. 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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$608Average$628FlexibilityNo cancel feeOn-time70%

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