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Cheap flights from Denver to Belfast from $393

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:40 pm - 8:10 pmDEN  Denver Intl-BFS Belfast Intl
21h 30m3 stops Reykjavik Keflavik Intl Dublin London Stansted
Multiple Airlines Logo
9:55 am - 3:53 pmBFS  Belfast Intl-DEN Denver Intl
36h 58m3 stops Amsterdam Schiphol Casablanca Mohamed V Los Angeles
$906Multiple Airlines
Mon, Dec 7 - Mon, Dec 14
Multiple Airlines Logo
3:40 pm - 8:35 pmDEN  Denver Intl-BFS Belfast Intl
21h 55m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
11:50 am - 6:00 pmBFS  Belfast Intl-DEN Denver Intl
37h 10m3 stops Manchester Kastrup Copenhagen Reykjavik Keflavik Intl
$915Multiple Airlines
Mon, Dec 7 - Mon, Dec 14
Multiple Airlines Logo
3:40 pm - 3:55 pmDEN  Denver Intl-BFS Belfast Intl
17h 15m2 stops Reykjavik Keflavik Intl Edinburgh Turnhouse
Multiple Airlines Logo
2:00 pm - 7:00 pmBFS  Belfast Intl-DEN Denver Intl
35h 00m3 stops London Stansted Riga Intl Reykjavik Keflavik Intl
$982Multiple Airlines
Mon, Mar 8 - Mon, Mar 15
Multiple Airlines Logo
3:40 pm - 8:10 pmDEN  Denver Intl-BFS Belfast Intl
21h 30m3 stops Reykjavik Keflavik Intl Dublin London Stansted
Multiple Airlines Logo
2:00 pm - 7:00 pmBFS  Belfast Intl-DEN Denver Intl
35h 00m3 stops London Stansted Riga Intl Reykjavik Keflavik Intl
$987Multiple Airlines
Mon, Mar 8 - Mon, Mar 15
Multiple Airlines Logo
3:40 pm - 5:15 pmDEN  Denver Intl-BFS Belfast Intl
18h 35m2 stops Reykjavik Keflavik Intl Edinburgh Turnhouse
Multiple Airlines Logo
7:30 pm - 7:00 pmBFS  Belfast Intl-DEN Denver Intl
29h 30m3 stops Edinburgh Turnhouse Paris Charles de Gaulle Reykjavik Keflavik Intl
$1,154Multiple Airlines
Wed, Mar 10 - Mon, Mar 22
Multiple Airlines Logo
3:40 pm - 8:45 pmDEN  Denver Intl-BFS Belfast Intl
22h 05m3 stops Reykjavik Keflavik Intl Dublin London Stansted
Multiple Airlines Logo
7:30 pm - 7:00 pmBFS  Belfast Intl-DEN Denver Intl
29h 30m3 stops Edinburgh Turnhouse Paris Charles de Gaulle Reykjavik Keflavik Intl
$1,180Multiple Airlines
Wed, Mar 10 - Mon, Mar 22
Multiple Airlines Logo
3:40 pm - 3:55 pmDEN  Denver Intl-BFS Belfast Intl
17h 15m2 stops Reykjavik Keflavik Intl Edinburgh Turnhouse
Multiple Airlines Logo
8:40 am - 7:00 pmBFS  Belfast Intl-DEN Denver Intl
16h 20m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl
$1,257Multiple Airlines
Mon, Mar 8 - Mon, Mar 15
Multiple Airlines Logo
3:40 pm - 7:00 pmDEN  Denver Intl-BFS Belfast Intl
20h 20m2 stops Reykjavik Keflavik Intl Edinburgh Turnhouse
Multiple Airlines Logo
6:30 am - 4:10 pmBFS  Belfast Intl-DEN Denver Intl
15h 40m1 stop London Gatwick
$1,264Multiple Airlines
Mon, Mar 8 - Mon, Mar 15
Multiple Airlines Logo
3:40 pm - 8:30 pmDEN  Denver Intl-BFS Belfast Intl
21h 50m2 stops Reykjavik Keflavik Intl Edinburgh Turnhouse
Multiple Airlines Logo
8:40 am - 7:00 pmBFS  Belfast Intl-DEN Denver Intl
16h 20m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl
$1,335Multiple Airlines
Wed, Mar 10 - Mon, Mar 22
Multiple Airlines Logo
3:40 pm - 8:55 pmDEN  Denver Intl-BFS Belfast Intl
22h 15m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
8:05 am - 6:00 pmBFS  Belfast Intl-DEN Denver Intl
16h 55m2 stops Edinburgh Turnhouse Reykjavik Keflavik Intl
$1,713Multiple Airlines
Tue, Dec 22 - Tue, Dec 29

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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

Cheapest round-trip

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Mon 12/7

3:40 pm-8:10 pm

3 stops21h 30m

Belfast Intl

Mon 12/14

9:55 am-3:53 pm

3 stops36h 58m

$906

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Mon 12/7

3:40 pm-8:35 pm

2 stops21h 55m

Belfast Intl

Mon 12/14

11:50 am-6:00 pm

3 stops37h 10m

$915

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Mon 3/8

3:40 pm-3:55 pm

2 stops17h 15m

Belfast Intl

Mon 3/15

2:00 pm-7:00 pm

3 stops35h 00m

$982

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Mon 3/8

3:40 pm-8:10 pm

3 stops21h 30m

Belfast Intl

Mon 3/15

2:00 pm-7:00 pm

3 stops35h 00m

$987

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Wed 3/10

3:40 pm-5:15 pm

2 stops18h 35m

Belfast Intl

Mon 3/22

7:30 pm-7:00 pm

3 stops29h 30m

$1,154

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Wed 3/10

3:40 pm-8:45 pm

3 stops22h 05m

Belfast Intl

Mon 3/22

7:30 pm-7:00 pm

3 stops29h 30m

$1,180
Quickest round-trip

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Mon 3/8

3:40 pm-3:55 pm

2 stops17h 15m

Belfast Intl

Mon 3/15

8:40 am-7:00 pm

2 stops16h 20m

$1,257

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Mon 3/8

3:40 pm-7:00 pm

2 stops20h 20m

Belfast Intl

Mon 3/15

6:30 am-4:10 pm

1 stop15h 40m

$1,264

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Wed 3/10

3:40 pm-8:30 pm

2 stops21h 50m

Belfast Intl

Mon 3/22

8:40 am-7:00 pm

2 stops16h 20m

$1,335

DenverBelfast

DEN Denver Intl - BFS Belfast Intl

DENBFS

Denver Intl

Tue 12/22

3:40 pm-8:55 pm

2 stops22h 15m

Belfast Intl

Tue 12/29

8:05 am-6:00 pm

2 stops16h 55m

$1,713

Flights are sorted by cheapest round-trip flights first.

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

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 round-trip 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

Best Price Found

$393

Fastest flight time

13h 50m

Direct flights

None
The best one-way flight to Belfast Intl Airport from Denver in the past 72 hours is $393. The best round-trip flight deal from Denver to Belfast Intl Airport found on momondo in the last 72 hours is $906.
The fastest flight from Denver to Belfast Intl Airport takes 13h 50m
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

Frequently asked questions about flying from Denver to Belfast Intl Airport

  • How far is Denver Intl to Belfast Intl by plane?

    The straight-line distance from Denver Intl to Belfast Intl is 4351.3 mi. 13h 50m is a normal flight duration for this route.

  • 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 refreshed on a daily basis.

  • How many operators does momondo search for flights from Denver Intl Airport to Belfast Intl Airport?

  • 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 necessary travel and health documents for your Belfast Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Denver to Belfast Intl Airport?

Best airlines flying from Denver to Belfast Intl Airport

Compare and see reviews for airlines that fly from Denver to Belfast Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $645Free CancellationRating
6.7
8,285 reviews
Search British Airways flights

Frequently asked questions about flying from Denver to Belfast Intl Airport

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

    Price Alerts will notify you by email when the price for flights to Belfast Intl Airport from Denver decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

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

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Belfast?

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

Why use momondo?

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

Finding the right flight to Belfast from Denver is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belfast quick and easy, saving you time and money.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from Denver.

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 Intl Airport trip

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