Cheap flights from Denver to Belfast from £182

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Belfast departing on 10/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Denver to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:40 - 20:25DEN-BFS
21h 45m2 stops
Multiple Airlines Logo
07:05 - 18:05BFS-DEN
18h 00m2 stops
£453Multiple Airlines
Find Deal
Thu, 27 Nov - Thu, 4 Dec
British Airways Logo
17:25 - 14:15DEN-BHD
13h 50m1 stop
British Airways Logo
09:10 - 15:30BHD-DEN
13h 20m1 stop
£493British Airways
Find Deal
Mon, 10 Nov - Sun, 16 Nov
American Airlines Logo
17:25 - 16:05DEN-BHD
15h 40m1 stop
American Airlines Logo
06:30 - 15:30BHD-DEN
16h 00m1 stop
£496American Airlines
Find Deal
Mon, 10 Nov - Sun, 16 Nov
American Airlines Logo
11:16 - 10:40DEN-BHD
16h 24m2 stops
American Airlines Logo
06:30 - 15:30BHD-DEN
16h 00m1 stop
£500American Airlines
Find Deal
Mon, 10 Nov - Sun, 16 Nov
British Airways Logo
17:25 - 09:05DEN-BHD
32h 40m1 stop
British Airways Logo
06:30 - 15:30BHD-DEN
16h 00m1 stop
£505British Airways
Find Deal
Sun, 16 Nov - Sun, 23 Nov
Multiple Airlines Logo
12:26 - 13:55DEN-BHD
18h 29m2 stops
Multiple Airlines Logo
12:10 - 09:34BHD-DEN
28h 24m2 stops
£507Multiple Airlines
Find Deal
Sun, 16 Nov - Sun, 23 Nov
Multiple Airlines Logo
12:52 - 13:55DEN-BHD
18h 03m2 stops
Multiple Airlines Logo
12:10 - 22:28BHD-DEN
17h 18m2 stops
£514Multiple Airlines
Find Deal
Sun, 8 Feb - Sun, 15 Feb
Virgin Atlantic Logo
06:45 - 16:55DEN-BHD
27h 10m2 stops
Virgin Atlantic Logo
06:30 - 22:49BHD-DEN
23h 19m2 stops
£543Virgin Atlantic
Find Deal
Wed, 1 Apr - Sun, 5 Apr
KLM Logo
12:20 - 21:20DEN-BHD
26h 00m2 stops
KLM Logo
06:30 - 18:09BHD-DEN
18h 39m2 stops
£582KLM
Find Deal
Fri, 3 Apr - Tue, 7 Apr
Delta Logo
11:40 - 16:55DEN-BHD
22h 15m2 stops
Delta Logo
17:25 - 17:37BHD-DEN
31h 12m2 stops
£633Delta
Find Deal
Fri, 3 Apr - Tue, 7 Apr

British Airways flights from Denver to Belfast

Our best British Airways deals on Denver to Belfast flight tickets
British Airways
10 Nov
DEN17:25Denver Intl
13h 50m
1 stop
BHD14:15Belfast City
16 Nov
BHD09:10Belfast City
13h 20m
1 stop
DEN15:30Denver Intl
British Airways
16 Nov
DEN17:25Denver Intl
32h 40m
1 stop
BHD09:05Belfast City
23 Nov
BHD06:30Belfast City
16h 00m
1 stop
DEN15:30Denver Intl
British Airways
1 Apr
DEN18:35Denver Intl
14h 00m
1 stop
BHD15:35Belfast City
5 Apr
BHD06:50Belfast City
16h 35m
1 stop
DEN16:25Denver Intl

American Airlines flights from Denver to Belfast

Our best American Airlines deals on Denver to Belfast flight tickets
American Airlines
10 Nov
DEN17:25Denver Intl
15h 40m
1 stop
BHD16:05Belfast City
16 Nov
BHD06:30Belfast City
16h 00m
1 stop
DEN15:30Denver Intl
American Airlines
10 Nov
DEN11:16Denver Intl
16h 24m
2 stops
BHD10:40Belfast City
16 Nov
BHD06:30Belfast City
16h 00m
1 stop
DEN15:30Denver Intl

momondo Fare Finder

 
Customise your flight search to find flights from Denver 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, momondo users made 279,928 searches. Data last updated 14 October 2025.
Use the filters below to find and compare flights from Denver to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Thu 27/11

15:40-20:25

2 stops21h 45m

Belfast Intl

Thu 4/12

07:05-18:05

2 stops18h 00m

£453

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 10/11

17:25-14:15

1 stop13h 50m

Belfast City

Sun 16/11

09:10-15:30

1 stop13h 20m

£493

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 10/11

17:25-16:05

1 stop15h 40m

Belfast City

Sun 16/11

06:30-15:30

1 stop16h 00m

£496

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mon 10/11

11:16-10:40

2 stops16h 24m

Belfast City

Sun 16/11

06:30-15:30

1 stop16h 00m

£500

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 16/11

17:25-09:05

1 stop32h 40m

Belfast City

Sun 23/11

06:30-15:30

1 stop16h 00m

£505

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 16/11

12:26-13:55

2 stops18h 29m

Belfast City

Sun 23/11

12:10-09:34

2 stops28h 24m

£507

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Sun 8/2

12:52-13:55

2 stops18h 03m

Belfast City

Sun 15/2

12:10-22:28

2 stops17h 18m

£514

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Wed 1/4

06:45-16:55

2 stops27h 10m

Belfast City

Sun 5/4

06:30-22:49

2 stops23h 19m

£543

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 3/4

12:20-21:20

2 stops26h 00m

Belfast City

Tue 7/4

06:30-18:09

2 stops18h 39m

£582

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Fri 3/4

11:40-16:55

2 stops22h 15m

Belfast City

Tue 7/4

17:25-17:37

2 stops31h 12m

£633

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Cheap Denver to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Belfast

Direct flights

None
There are no direct flights from Denver to Belfast. There are no popular flight routes from Denver to Belfast.
  • How far is Denver Intl to Belfast by plane?

    Denver Intl and Belfast are 4363.2 mi apart from one another. In terms of flight time, this usually takes a little over 13h 50m.

  • When did momondo last update prices for flights from Denver Intl Airport to Belfast?

    Prices for flights from Denver Intl Airport to Belfast are updated daily.

  • How old do you have to be to fly from Denver Intl Airport to Belfast?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Denver to Belfast?

    Search flight deals from Denver to Belfast. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Denver to Belfast with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Belfast?

It is quick and easy to find Denver to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

Can I find flights from Denver to Belfast with flexible booking policies on momondo?

Yes. All flights to Belfast from Denver on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Denver to Belfast?

Once all potential Denver to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Denver to Belfast right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Denver to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Belfast trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 13/11
Thu 20/11

Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast