Cheap flights from Denver to Belfast from £183

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
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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
£454Multiple Airlines
Find Deal
Thu, 27 Nov - Thu, 4 Dec
Multiple Airlines Logo
15:40 - 17:00DEN-BFS
18h 20m2 stops
Multiple Airlines Logo
23:05 - 18:05BFS-DEN
26h 00m2 stops
£968Multiple Airlines
Find Deal
Mon, 10 Nov - Sun, 16 Nov
Multiple Airlines Logo
13:25 - 14:35DEN-BFS
18h 10m3 stops
Multiple Airlines Logo
06:30 - 18:05BFS-DEN
18h 35m2 stops
£1,051Multiple Airlines
Find Deal
Thu, 27 Nov - Thu, 4 Dec
Multiple Airlines Logo
13:25 - 13:40DEN-BFS
17h 15m2 stops
Multiple Airlines Logo
06:00 - 18:05BFS-DEN
19h 05m3 stops
£1,152Multiple Airlines
Find Deal
Sun, 8 Feb - Sun, 15 Feb
Multiple Airlines Logo
13:25 - 13:40DEN-BFS
17h 15m2 stops
Multiple Airlines Logo
05:45 - 10:23BFS-DEN
35h 38m3 stops
£1,162Multiple Airlines
Find Deal
Sun, 16 Nov - Sun, 23 Nov
Multiple Airlines Logo
13:25 - 13:40DEN-BFS
17h 15m2 stops
Multiple Airlines Logo
13:00 - 16:00BFS-DEN
34h 00m2 stops
£1,171Multiple Airlines
Find Deal
Sun, 16 Nov - Sun, 23 Nov
Multiple Airlines Logo
11:15 - 20:25DEN-BFS
26h 10m3 stops
Multiple Airlines Logo
20:05 - 18:05BFS-DEN
29h 00m3 stops
£1,180Multiple Airlines
Find Deal
Thu, 27 Nov - Thu, 4 Dec
Multiple Airlines Logo
11:15 - 21:15DEN-BFS
27h 00m3 stops
Multiple Airlines Logo
05:45 - 10:23BFS-DEN
35h 38m3 stops
£1,191Multiple Airlines
Find Deal
Sun, 16 Nov - Sun, 23 Nov

momondo Fare Finder

 
Customise your flight search to find flights from Denver to Belfast Intl Airport 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 Intl Airport 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

£454

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Mon 10/11

15:40-17:00

2 stops18h 20m

Belfast Intl

Sun 16/11

23:05-18:05

2 stops26h 00m

£968

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Thu 27/11

13:25-14:35

3 stops18h 10m

Belfast Intl

Thu 4/12

06:30-18:05

2 stops18h 35m

£1,051

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sun 8/2

13:25-13:40

2 stops17h 15m

Belfast Intl

Sun 15/2

06:00-18:05

3 stops19h 05m

£1,152

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sun 16/11

13:25-13:40

2 stops17h 15m

Belfast Intl

Sun 23/11

05:45-10:23

3 stops35h 38m

£1,162

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sun 16/11

13:25-13:40

2 stops17h 15m

Belfast Intl

Sun 23/11

13:00-16:00

2 stops34h 00m

£1,171

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Thu 27/11

11:15-20:25

3 stops26h 10m

Belfast Intl

Thu 4/12

20:05-18:05

3 stops29h 00m

£1,180

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sun 16/11

11:15-21:15

3 stops27h 00m

Belfast Intl

Sun 23/11

05:45-10:23

3 stops35h 38m

£1,191

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Wed 10/12

06:10-12:50

2 stops23h 40m

£183

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Wed 10/12

13:43-08:20

3 stops59h 37m

£216

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Denver to Belfast Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Belfast Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Denver to Belfast Intl Airport (DEN to BFS) flight deals and tips

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

Direct flights

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

    The distance between Denver Intl and Belfast Intl is about 4351.3 mi. Typically, this will take 17h 15m by plane in normal conditions.

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

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

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

    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 Intl Airport.

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

    The required travel and health documents for your Belfast Intl Airport 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 Intl Airport. 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 Intl Airport?

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

  • How can I save money on flights from Denver to Belfast Intl Airport 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.

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Ballymena
Newry
Armagh
Cookstown
Dungannon
Portadown

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Denver to Belfast for you.

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

All flight searches from Denver to Belfast on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Belfast from Denver. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Belfast from Denver. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Thu 13/11
Thu 20/11

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