HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Belfast City

$331+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BHD
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denver to Belfast City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 2, 2025.

Round-trip from

$660
(Justfly.com)

One-way from

$331
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,060
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. 10% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($68 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 2, 2025.

This Justfly.com deal was found by Cheapflights users on 6/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:35 pmDEN - BHD
1 stop14h 05mBritish Airways
Wed 9/1011:30 amBHD - DEN
2 stops17h 39mBritish Airways
Deal found 6/29$660
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Thu 10/26:35 pmDEN - BHD
1 stop13h 55mAmerican Airlines
Sun 10/121:00 pmBHD - DEN
2 stops17h 41mAmerican Airlines
Deal found 6/30$672
This Virgin Atlantic deal was found by Cheapflights users on 6/29. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:00 pmDEN - BHD
2 stops22h 15mVirgin Atlantic
Tue 10/76:30 amBHD - DEN
2 stops19h 40mVirgin Atlantic
Deal found 6/29$754
This Trip.com deal was found by Cheapflights users on 7/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/64:40 pmDEN - BHD
2 stops20h 00mMultiple Airlines
Tue 8/127:05 amBHD - DEN
2 stops36h 25mMultiple Airlines
Deal found 7/1$763
This Iberia deal was found by Cheapflights users on 7/1. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:35 pmDEN - BHD
1 stop19h 10mIberia
Wed 8/136:50 amBHD - DEN
2 stops20h 32mIberia
Deal found 7/1$797
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/41:52 pmDEN - BHD
2 stops20h 03mDelta
Mon 8/115:25 pmBHD - DEN
2 stops30h 46mDelta
Deal found 6/30$874
This KLM deal was found by Cheapflights users on 7/1. 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.
Wed 7/236:10 pmDEN - BHD
2 stops20h 05mKLM
Wed 7/306:30 amBHD - DEN
2 stops16h 02mKLM
Deal found 7/1$981
This Mytrip deal was found by Cheapflights users on 6/30. 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.
Wed 8/67:55 pmDEN - BHD
2 stops17h 00mAer Lingus
Tue 8/124:55 pmBHD - DEN
3 stops30h 46mAer Lingus
Deal found 6/30$996

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 July 2, 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

Mon 8/25

6:35 pm-3:40 pm

1 stop14h 05m

Belfast City

Wed 9/10

11:30 am-10:09 pm

2 stops17h 39m

$660

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Thu 10/2

6:35 pm-3:30 pm

1 stop13h 55m

Belfast City

Sun 10/12

1:00 pm-11:41 pm

2 stops17h 41m

$672

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 10/3

4:00 pm-9:15 pm

2 stops22h 15m

Belfast City

Tue 10/7

6:30 am-7:10 pm

2 stops19h 40m

$754

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 8/6

4:40 pm-7:40 pm

2 stops20h 00m

Belfast City

Tue 8/12

7:05 am-12:30 pm

2 stops36h 25m

$763

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 8/4

6:35 pm-8:45 pm

1 stop19h 10m

Belfast City

Wed 8/13

6:50 am-8:22 pm

2 stops20h 32m

$797

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 8/4

1:52 pm-4:55 pm

2 stops20h 03m

Belfast City

Mon 8/11

5:25 pm-5:11 pm

2 stops30h 46m

$874

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 8/6

7:55 pm-7:55 pm

2 stops17h 00m

Belfast City

Tue 8/12

4:55 pm-4:41 pm

3 stops30h 46m

$996

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 8/25

4:40 pm-2:30 pm

2 stops38h 50m

$331

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 8/25

6:35 pm-5:30 pm

1 stop15h 55m

$376

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Tue 8/19

6:35 pm-5:30 pm

1 stop15h 55m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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 July 2, 2025.
Read reviews from past customers who have flown Delta, Virgin Atlantic, and American Airlines 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.
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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!
Delta
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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!
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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!
Aer Lingus
7.1
Good
1,141 reviews
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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!
Iberia
7.0
Good
2,817 reviews
Delta
8.0
Very good
7,983 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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 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.

  • What are the cheapest airlines flying from Denver to Belfast City Airport round-trip?

    According to our current data, British Airways ($660), American Airlines ($672), and Virgin Atlantic ($754) 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Newcastle

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Denver to Belfast City

See prices for flight routes from nearby airports that may be better suited for you.
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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$608Average$628FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.