Cheap flights from Denver to Belfast from £494

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Belfast departing on 18/2. 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.
British Airways Logo
17:25 - 14:15
DEN
-
BHD
13h 50m1 stop
British Airways Logo
06:45 - 15:30
BHD
-
DEN
15h 45m1 stop
£494British Airways
Mi, 18 Feb - Fr, 27 Feb
British Airways Logo
18:40 - 15:30
DEN
-
BHD
13h 50m1 stop
British Airways Logo
09:35 - 16:30
BHD
-
DEN
13h 55m1 stop
£498British Airways
Do, 16 Apr - Di, 21 Apr
British Airways Logo
17:25 - 16:35
DEN
-
BHD
16h 10m1 stop
British Airways Logo
20:25 - 15:30
BHD
-
DEN
26h 05m1 stop
£505British Airways
Mi, 11 Feb - So, 15 Feb
British Airways Logo
17:25 - 14:15
DEN
-
BHD
13h 50m1 stop
British Airways Logo
06:45 - 17:20
BHD
-
DEN
17h 35m2 stops
£506British Airways
Mi, 18 Feb - Fr, 27 Feb
British Airways Logo
14:51 - 15:30
DEN
-
BHD
17h 39m2 stops
British Airways Logo
13:40 - 16:30
BHD
-
DEN
33h 50m1 stop
£514British Airways
Do, 16 Apr - Di, 21 Apr
American Airlines Logo
09:17 - 10:15
DEN
-
BHD
17h 58m2 stops
American Airlines Logo
08:45 - 20:02
BHD
-
DEN
18h 17m2 stops
£515American Airlines
Mi, 18 Feb - Fr, 27 Feb
British Airways Logo
14:51 - 15:30
DEN
-
BHD
17h 39m2 stops
British Airways Logo
09:35 - 20:33
BHD
-
DEN
17h 58m2 stops
£516British Airways
Do, 16 Apr - Di, 21 Apr
Delta Logo
06:40 - 16:50
DEN
-
BHD
27h 10m2 stops
Delta Logo
17:20 - 21:14
BHD
-
DEN
34h 54m2 stops
£532Delta
Do, 22 Jan - Do, 29 Jan
Multiple Airlines Logo
16:40 - 17:05
DEN
-
BFS
17h 25m2 stops
Multiple Airlines Logo
21:30 - 19:00
BFS
-
DEN
28h 30m2 stops
£755Multiple Airlines
Mi, 6 Mai - Sa, 16 Mai
Multiple Airlines Logo
07:45 - 22:20
DEN
-
BFS
31h 35m3 stops
Multiple Airlines Logo
21:30 - 19:00
BFS
-
DEN
28h 30m2 stops
£812Multiple Airlines
Mi, 6 Mai - Sa, 16 Mai

British Airways flights from Denver to Belfast

Our best British Airways deals on Denver to Belfast flight tickets
British Airways
18 Feb
DEN17:25Denver Intl
13h 50m
1 stop
BHD14:15Belfast City
27 Feb
BHD06:45Belfast City
15h 45m
1 stop
DEN15:30Denver Intl
British Airways
16 Apr
DEN18:40Denver Intl
13h 50m
1 stop
BHD15:30Belfast City
21 Apr
BHD09:35Belfast City
13h 55m
1 stop
DEN16:30Denver Intl
British Airways
11 Feb
DEN17:25Denver Intl
16h 10m
1 stop
BHD16:35Belfast City
15 Feb
BHD20:25Belfast City
26h 05m
1 stop
DEN15:30Denver Intl

KLM flights from Denver to Belfast

Our best KLM deals on Denver to Belfast flight tickets
KLM
3 May
DEN18:25Denver Intl
15h 30m
2 stops
BHD16:55Belfast City
10 May
BHD09:50Belfast City
19h 59m
2 stops
DEN22:49Denver Intl
KLM
24 Jan
DEN13:16Denver Intl
20h 34m
2 stops
BHD16:50Belfast City
29 Jan
BHD17:20Belfast City
31h 14m
2 stops
DEN17:34Denver 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 10 Dezember 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 - BHD

DENBHD

Denver Intl

Mi 18/2

17:25-14:15

1 stop13h 50m

Belfast City

Fr 27/2

06:45-15:30

1 stop15h 45m

£494

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Do 16/4

18:40-15:30

1 stop13h 50m

Belfast City

Di 21/4

09:35-16:30

1 stop13h 55m

£498

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mi 11/2

17:25-16:35

1 stop16h 10m

Belfast City

So 15/2

20:25-15:30

1 stop26h 05m

£505

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mi 18/2

17:25-14:15

1 stop13h 50m

Belfast City

Fr 27/2

06:45-17:20

2 stops17h 35m

£506

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Do 16/4

14:51-15:30

2 stops17h 39m

Belfast City

Di 21/4

13:40-16:30

1 stop33h 50m

£514

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Mi 18/2

09:17-10:15

2 stops17h 58m

Belfast City

Fr 27/2

08:45-20:02

2 stops18h 17m

£515

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Do 16/4

14:51-15:30

2 stops17h 39m

Belfast City

Di 21/4

09:35-20:33

2 stops17h 58m

£516

DenverBelfast

DEN - BHD

DENBHD

Denver Intl

Do 22/1

06:40-16:50

2 stops27h 10m

Belfast City

Do 29/1

17:20-21:14

2 stops34h 54m

£532

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Mi 6/5

16:40-17:05

2 stops17h 25m

Belfast Intl

Sa 16/5

21:30-19:00

2 stops28h 30m

£755

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Mi 6/5

07:45-22:20

3 stops31h 35m

Belfast Intl

Sa 16/5

21:30-19:00

2 stops28h 30m

£812

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Denver to Belfast flight deals and tips

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

Fastest flight time

13h 50m

Direct flights

None
The fastest flight from Denver to Belfast takes 13h 50m
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 00m.

  • 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
Fr 9/1
Fr 16/1

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