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.

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.

£472 Cheap Flights from Denver to Belfast Intl Airport in 2025/26

1 adult

0 bags

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Find the cheapest flights from Denver to Belfast

Round-trip

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Enter your travel dates to find the best prices.

15:40 - 21:55DEN-BFS

23h 15m2 stops

06:30 - 19:55BFS-DEN

20h 25m2 stops

£796Multiple Airlines

Find Deal

Sun, 11 Jan - Mon, 19 Jan

15:40 - 22:15DEN-BFS

23h 35m3 stops

21:05 - 18:05BFS-DEN

28h 00m2 stops

£816Multiple Airlines

Find Deal

Mon, 29 Dec - Wed, 7 Jan

15:40 - 21:55DEN-BFS

23h 15m3 stops

06:30 - 19:55BFS-DEN

20h 25m2 stops

£823Multiple Airlines

Find Deal

Sun, 11 Jan - Mon, 19 Jan

15:40 - 15:35DEN-BFS

16h 55m2 stops

14:20 - 16:00BFS-DEN

32h 40m2 stops

£859Multiple Airlines

Find Deal

Wed, 18 Feb - Fri, 27 Feb

15:40 - 20:15DEN-BFS

21h 35m2 stops

21:05 - 18:05BFS-DEN

28h 00m2 stops

£868Multiple Airlines

Find Deal

Mon, 29 Dec - Wed, 7 Jan

11:15 - 22:40DEN-BFS

28h 25m3 stops

22:25 - 18:05BFS-DEN

26h 40m3 stops

£884Multiple Airlines

Find Deal

Sat, 17 Jan - Sat, 24 Jan

11:15 - 22:40DEN-BFS

28h 25m3 stops

07:55 - 18:05BFS-DEN

17h 10m2 stops

£896Multiple Airlines

Find Deal

Sat, 17 Jan - Sat, 24 Jan

15:40 - 15:35DEN-BFS

16h 55m2 stops

06:30 - 15:30BFS-DEN

16h 00m1 stop

£905Multiple Airlines

Find Deal

Wed, 18 Feb - Fri, 27 Feb

16:40 - 21:50DEN-BFS

22h 10m2 stops

17:55 - 15:35BFS-DEN

28h 40m2 stops

£908Multiple Airlines

Find Deal

Fri, 17 Apr - Mon, 27 Apr

13:25 - 23:20DEN-BFS

26h 55m3 stops

21:25 - 15:35BFS-DEN

25h 10m2 stops

£938Multiple Airlines

Find Deal

Fri, 17 Apr - Mon, 27 Apr

momondo Fare Finder

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

Sun 11/1

15:40-21:55

2 stops23h 15m

Belfast Intl

Mon 19/1

06:30-19:55

2 stops20h 25m

£796

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Mon 29/12

15:40-22:15

3 stops23h 35m

Belfast Intl

Wed 7/1

21:05-18:05

2 stops28h 00m

£816

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sun 11/1

15:40-21:55

3 stops23h 15m

Belfast Intl

Mon 19/1

06:30-19:55

2 stops20h 25m

£823

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Wed 18/2

15:40-15:35

2 stops16h 55m

Belfast Intl

Fri 27/2

14:20-16:00

2 stops32h 40m

£859

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Mon 29/12

15:40-20:15

2 stops21h 35m

Belfast Intl

Wed 7/1

21:05-18:05

2 stops28h 00m

£868

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sat 17/1

11:15-22:40

3 stops28h 25m

Belfast Intl

Sat 24/1

22:25-18:05

3 stops26h 40m

£884

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Sat 17/1

11:15-22:40

3 stops28h 25m

Belfast Intl

Sat 24/1

07:55-18:05

2 stops17h 10m

£896

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Wed 18/2

15:40-15:35

2 stops16h 55m

Belfast Intl

Fri 27/2

06:30-15:30

1 stop16h 00m

£905

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Fri 17/4

16:40-21:50

2 stops22h 10m

Belfast Intl

Mon 27/4

17:55-15:35

2 stops28h 40m

£908

DenverBelfast

DEN - BFS

DENBFS

Denver Intl

Fri 17/4

13:25-23:20

3 stops26h 55m

Belfast Intl

Mon 27/4

21:25-15:35

2 stops25h 10m

£938

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

Fastest flight time	13h 30m
Direct flights	None

The fastest flight from Denver to Belfast Intl Airport takes 13h 30m

There are no direct flights from Denver to Belfast Intl Airport. There are no popular flight routes from Denver to Belfast Intl Airport.

Search flight deals

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 16h 30m 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.

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.