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Belfast City

$359+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BHD
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$949
(Delta)

One-way from

$359
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$722
From Denver Intl to Belfast City
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One-way flight from Denver Intl to Belfast City
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Highest demand for flights based on searches. 7% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($68 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 16, 2025.

This Delta deal was found by Cheapflights users on 9/16. 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.
Thu 10/212:05 pmDEN - BHD
2 stops21h 50mDelta
Sun 10/126:30 amBHD - DEN
2 stops22h 11mDelta
Deal found 9/16$949
This Ovago deal was found by Cheapflights users on 9/14. 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 10/26:59 pmDEN - BHD
2 stops42h 46mBritish Airways
Sun 10/126:50 amBHD - DEN
2 stops19h 36mBritish Airways
Deal found 9/14$952
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 10/27:55 pmDEN - BHD
2 stops17h 00mAer Lingus
Sun 10/127:00 amBHD - DEN
2 stops17h 59mAer Lingus
Deal found 9/15$962
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/106:14 pmDEN - BHD
2 stops19h 31mMultiple Airlines
Fri 10/179:30 amBHD - DEN
2 stops17h 57mMultiple Airlines
Deal found 9/14$1,034
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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.
Fri 10/107:55 pmDEN - BHD
2 stops17h 30mAer Lingus
Fri 10/176:35 amBHD - DEN
1 stop16h 50mAer Lingus
Deal found 9/14$1,584

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 September 16, 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 10/2

12:05 pm-4:55 pm

2 stops21h 50m

Belfast City

Sun 10/12

6:30 am-9:41 pm

2 stops22h 11m

$949

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 10/2

6:59 pm-8:45 pm

2 stops42h 46m

Belfast City

Sun 10/12

6:50 am-7:26 pm

2 stops19h 36m

$952

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 10/2

7:55 pm-7:55 pm

2 stops17h 00m

Belfast City

Sun 10/12

7:00 am-5:59 pm

2 stops17h 59m

$962

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 10/10

6:14 pm-8:45 pm

2 stops19h 31m

Belfast City

Fri 10/17

9:30 am-8:27 pm

2 stops17h 57m

$1,034

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 9/26

11:59 pm-8:10 am

3 stops49h 11m

$359

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 9/26

12:41 pm-8:45 pm

2 stops25h 04m

$406

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 10/2

4:00 pm-4:55 pm

2 stops17h 55m

$448

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 10/2

6:35 pm-8:50 am

1 stop31h 15m

$633

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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 September 16, 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
7,363 reviews

Boarding

6.9

Crew

7.6

Food

6.3

Comfort

6.7

Entertainment

6.4

Overall

6.7

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
7,363 reviews
British Airways
6.7
Okay
7,363 reviews

Boarding

6.9

Crew

7.6

Food

6.3

Comfort

6.7

Entertainment

6.4

Overall

6.7

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 17h. 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.

  • 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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Alternative routes for Denver to Belfast City

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Denver to Belfast Intl flights

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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$608Average$628FlexibilityNo cancel feeOn-time70%

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