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Cheap flights from Washington, D.C. Dulles Intl Airport to Northern Ireland from $336

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Northern Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:40 pm - 9:40 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
21h 00m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
8:00 pm - 3:15 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
24h 15m2 stops Malaga Lisbon Humberto Delgado
$884Multiple Airlines
Sun, Nov 29 - Sun, Dec 6
Multiple Airlines Logo
7:40 pm - 8:35 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
19h 55m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen London Stansted
Multiple Airlines Logo
8:00 pm - 3:15 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
24h 15m2 stops Malaga Lisbon Humberto Delgado
$886Multiple Airlines
Sun, Nov 29 - Sun, Dec 6
Multiple Airlines Logo
7:40 pm - 8:30 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
19h 50m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Edinburgh Turnhouse
Multiple Airlines Logo
4:55 pm - 3:15 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
27h 20m2 stops Geneva Geneve-Cointrin Lisbon Humberto Delgado
$898Multiple Airlines
Wed, Feb 10 - Wed, Mar 3
Multiple Airlines Logo
7:40 pm - 8:30 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
19h 50m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Edinburgh Turnhouse
Multiple Airlines Logo
6:55 pm - 6:30 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
28h 35m3 stops London Stansted Kastrup Copenhagen Reykjavik Keflavik Intl
$913Multiple Airlines
Wed, Feb 10 - Wed, Mar 3
Multiple Airlines Logo
7:40 pm - 8:20 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
19h 40m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
4:55 pm - 3:15 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
27h 20m2 stops Geneva Geneve-Cointrin Lisbon Humberto Delgado
$913Multiple Airlines
Wed, Feb 10 - Wed, Mar 3
Multiple Airlines Logo
11:20 pm - 10:10 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
18h 50m2 stops Reykjavik Keflavik Intl London Gatwick
Multiple Airlines Logo
6:20 am - 7:00 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
17h 40m2 stops Alicante Casablanca Mohamed V
$939Multiple Airlines
Fri, Mar 26 - Sun, Apr 4
Multiple Airlines Logo
7:40 pm - 8:35 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
19h 55m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen London Stansted
Multiple Airlines Logo
2:10 pm - 3:15 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
30h 05m3 stops London Gatwick Malaga Lisbon Humberto Delgado
$942Multiple Airlines
Sun, Nov 29 - Sun, Dec 6
Multiple Airlines Logo
11:20 pm - 10:10 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
18h 50m2 stops Reykjavik Keflavik Intl London Gatwick
Multiple Airlines Logo
10:10 pm - 7:00 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
25h 50m3 stops London Luton Madrid Barajas Casablanca Mohamed V
$952Multiple Airlines
Fri, Mar 26 - Sun, Apr 4
British Airways Logo
9:55 pm - 1:15 pmIAD  Washington, D.C. Dulles Intl-BHD Belfast City
10h 20m1 stop London Heathrow
British Airways Logo
12:20 pm - 7:55 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
12h 35m1 stop London Heathrow
$973British Airways
Wed, Feb 10 - Wed, Mar 3
British Airways Logo
5:40 pm - 9:00 amIAD  Washington, D.C. Dulles Intl-BHD Belfast City
10h 20m1 stop London Heathrow
British Airways Logo
9:40 am - 3:50 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
11h 10m1 stop London Heathrow
$984British Airways
Tue, Apr 13 - Tue, Apr 20

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KLM flights from Washington, D.C. Dulles Intl Airport to Northern Ireland

Our best KLM deals on Washington, D.C. Dulles Intl Airport to Northern Ireland flight tickets
KLM
Apr 13
IAD6:30 pmWashington, D.C. Dulles Intl
17h 25m
2 stops
BHD4:55 pmBelfast City
Apr 20
BHD9:50 amBelfast City
19h 30m
2 stops
IAD12:20 amWashington, D.C. Dulles Intl
$1,029
KLM
Apr 13
IAD6:40 pmWashington, D.C. Dulles Intl
17h 15m
2 stops
BHD4:55 pmBelfast City
Apr 20
BHD9:50 amBelfast City
19h 30m
2 stops
IAD12:20 amWashington, D.C. Dulles Intl
$1,031
KLM
Apr 13
IAD6:30 pmWashington, D.C. Dulles Intl
17h 25m
2 stops
BHD4:55 pmBelfast City
Apr 20
BHD9:50 amBelfast City
19h 30m
2 stops
IAD12:20 amWashington, D.C. Dulles Intl
$1,032

Aer Lingus flights from Washington, D.C. Dulles Intl Airport to Northern Ireland

Our best Aer Lingus deals on Washington, D.C. Dulles Intl Airport to Northern Ireland flight tickets
Aer Lingus
Nov 15
IAD5:15 pmWashington, D.C. Dulles Intl
13h 45m
2 stops
BHD12:00 pmBelfast City
Nov 21
BHD6:20 pmBelfast City
26h 25m
2 stops
IAD3:45 pmWashington, D.C. Dulles Intl
$1,164
Aer Lingus
Nov 15
IAD5:15 pmWashington, D.C. Dulles Intl
13h 45m
2 stops
BHD12:00 pmBelfast City
Nov 21
BHD6:20 pmBelfast City
26h 25m
2 stops
IAD3:45 pmWashington, D.C. Dulles Intl
$1,165
Aer Lingus
Nov 15
IAD5:15 pmWashington, D.C. Dulles Intl
13h 45m
2 stops
BHD12:00 pmBelfast City
Nov 20
BHD9:50 amBelfast City
14h 30m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
$1,180

momondo Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BFS Belfast Intl

IADBFS

Washington, D.C. Dulles Intl

Sun 11/29

7:40 pm-9:40 pm

2 stops21h 00m

Belfast Intl

Sun 12/6

8:00 pm-3:15 pm

2 stops24h 15m

$884

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BFS Belfast Intl

IADBFS

Washington, D.C. Dulles Intl

Sun 11/29

7:40 pm-8:35 pm

3 stops19h 55m

Belfast Intl

Sun 12/6

8:00 pm-3:15 pm

2 stops24h 15m

$886

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BFS Belfast Intl

IADBFS

Washington, D.C. Dulles Intl

Wed 2/10

7:40 pm-8:30 pm

3 stops19h 50m

Belfast Intl

Wed 3/3

4:55 pm-3:15 pm

2 stops27h 20m

$898

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BFS Belfast Intl

IADBFS

Washington, D.C. Dulles Intl

Wed 2/10

7:40 pm-8:30 pm

3 stops19h 50m

Belfast Intl

Wed 3/3

6:55 pm-6:30 pm

3 stops28h 35m

$913

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BFS Belfast Intl

IADBFS

Washington, D.C. Dulles Intl

Wed 2/10

7:40 pm-8:20 pm

2 stops19h 40m

Belfast Intl

Wed 3/3

4:55 pm-3:15 pm

2 stops27h 20m

$913

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BFS Belfast Intl

IADBFS

Washington, D.C. Dulles Intl

Fri 3/26

11:20 pm-10:10 pm

2 stops18h 50m

Belfast Intl

Sun 4/4

6:20 am-7:00 pm

2 stops17h 40m

$939

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BFS Belfast Intl

IADBFS

Washington, D.C. Dulles Intl

Sun 11/29

7:40 pm-8:35 pm

3 stops19h 55m

Belfast Intl

Sun 12/6

2:10 pm-3:15 pm

3 stops30h 05m

$942

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BFS Belfast Intl

IADBFS

Washington, D.C. Dulles Intl

Fri 3/26

11:20 pm-10:10 pm

2 stops18h 50m

Belfast Intl

Sun 4/4

10:10 pm-7:00 pm

3 stops25h 50m

$952

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BHD Belfast City

IADBHD

Washington, D.C. Dulles Intl

Wed 2/10

9:55 pm-1:15 pm

1 stop10h 20m

Belfast City

Wed 3/3

12:20 pm-7:55 pm

1 stop12h 35m

$973
Quickest round-trip

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BHD Belfast City

IADBHD

Washington, D.C. Dulles Intl

Tue 4/13

5:40 pm-9:00 am

1 stop10h 20m

Belfast City

Tue 4/20

9:40 am-3:50 pm

1 stop11h 10m

$984

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Northern Ireland from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Northern Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Northern Ireland?

British Airways is the most popular carrier operating from Washington, D.C. Dulles Intl to Northern Ireland

Cheap Washington, D.C. Dulles Intl Airport to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Northern Ireland

Best Price Found

$336

Fastest flight time

10h 20m

Direct flights

None
The best one-way flight to Northern Ireland from Washington, D.C. Dulles Intl Airport in the past 72 hours is $336. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Northern Ireland found on momondo in the last 72 hours is $884.
The fastest flight from Washington, D.C. Dulles Intl Airport to Northern Ireland takes 10h 20m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Northern Ireland. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Northern Ireland.
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Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Northern Ireland

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Northern Ireland?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Northern Ireland are updated daily.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Northern Ireland?

    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 Washington, D.C. Dulles Intl Airport to Northern Ireland.

  • What documentation or ID do you need to fly to Northern Ireland?

    The travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Northern Ireland?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Northern Ireland. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Northern Ireland with flexible booking policies on momondo?

Flights from Washington, D.C. to Northern Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Northern Ireland?

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

I’m not ready to book a flight from Washington, D.C. to Northern Ireland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Northern Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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