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Cheap flights from Washington, D.C. Dulles Intl Airport to Northern Ireland from £247

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Northern Ireland departing on 11/9. 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
1 adult, Economy, 0 bags
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Northern Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:40 - 20:45
IAD
-
BFS
20h 05m
3 stops
Multiple Airlines Logo
07:55 - 15:15
BFS
-
IAD
36h 20m
3 stops
£573Multiple Airlines
Wed, 4 Nov - Wed, 18 Nov
Multiple Airlines Logo
19:40 - 19:45
IAD
-
BFS
19h 05m
2 stops
Multiple Airlines Logo
07:55 - 15:15
BFS
-
IAD
36h 20m
3 stops
£590Multiple Airlines
Wed, 4 Nov - Wed, 18 Nov
Multiple Airlines Logo
23:20 - 21:45
IAD
-
BFS
17h 25m
2 stops
Multiple Airlines Logo
22:45 - 20:24
BFS
-
IAD
26h 39m
2 stops
£657Multiple Airlines
Wed, 29 Jul - Wed, 5 Aug
Multiple Airlines Logo
20:30 - 23:05
IAD
-
BFS
21h 35m
2 stops
Multiple Airlines Logo
08:50 - 15:10
BFS
-
IAD
35h 20m
3 stops
£659Multiple Airlines
Tue, 28 Jul - Tue, 4 Aug
British Airways Logo
21:45 - 14:15
IAD
-
BHD
11h 30m
1 stop
British Airways Logo
12:25 - 19:55
BHD
-
IAD
12h 30m
1 stop
£683British Airways
Wed, 4 Nov - Wed, 18 Nov
British Airways Logo
22:25 - 17:40
IAD
-
BHD
14h 15m
1 stop
British Airways Logo
19:35 - 15:55
BHD
-
IAD
25h 20m
1 stop
£715British Airways
Sun, 9 Aug - Mon, 24 Aug
Virgin Atlantic Logo
19:19 - 09:20
IAD
-
BHD
33h 01m
2 stops
Virgin Atlantic Logo
17:30 - 15:35
BHD
-
IAD
27h 05m
1 stop
£737Virgin Atlantic
Sun, 9 Aug - Mon, 24 Aug
Delta Logo
18:20 - 09:10
IAD
-
BHD
9h 50m
1 stop
Delta Logo
17:20 - 15:45
BHD
-
IAD
27h 25m
1 stop
£741Delta
Mon, 2 Nov - Mon, 16 Nov
Virgin Atlantic Logo
18:20 - 16:50
IAD
-
BHD
17h 30m
1 stop
Virgin Atlantic Logo
09:40 - 23:33
BHD
-
IAD
18h 53m
2 stops
£749Virgin Atlantic
Wed, 4 Nov - Wed, 18 Nov
Delta Logo
11:10 - 16:55
IAD
-
BHD
24h 45m
2 stops
Delta Logo
17:30 - 16:38
BHD
-
IAD
28h 08m
2 stops
£757Delta
Sun, 9 Aug - Mon, 24 Aug

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

Our best British Airways deals on Washington, D.C. Dulles Intl Airport to Northern Ireland flight tickets
British Airways
4 Nov
IAD21:45Washington, D.C. Dulles Intl
11h 30m
1 stop
BHD14:15Belfast City
18 Nov
BHD12:25Belfast City
12h 30m
1 stop
IAD19:55Washington, D.C. Dulles Intl
£683
British Airways
9 Aug
IAD22:25Washington, D.C. Dulles Intl
14h 15m
1 stop
BHD17:40Belfast City
24 Aug
BHD19:35Belfast City
25h 20m
1 stop
IAD15:55Washington, D.C. Dulles Intl
£715
British Airways
20 Sept
IAD22:25Washington, D.C. Dulles Intl
11h 10m
1 stop
BHD14:35Belfast City
24 Sept
BHD06:30Belfast City
15h 55m
1 stop
IAD17:25Washington, D.C. Dulles Intl
£727

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Northern Ireland flight tickets
Delta
2 Nov
IAD18:20Washington, D.C. Dulles Intl
9h 50m
1 stop
BHD09:10Belfast City
16 Nov
BHD17:20Belfast City
27h 25m
1 stop
IAD15:45Washington, D.C. Dulles Intl
£741
Delta
9 Aug
IAD11:10Washington, D.C. Dulles Intl
24h 45m
2 stops
BHD16:55Belfast City
24 Aug
BHD17:30Belfast City
28h 08m
2 stops
IAD16:38Washington, D.C. Dulles Intl
£757
Delta
5 Nov
IAD17:45Washington, D.C. Dulles Intl
10h 25m
1 stop
BHD09:10Belfast City
16 Nov
BHD17:20Belfast City
27h 25m
1 stop
IAD15:45Washington, D.C. Dulles Intl
£778

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. Dulles Intl Airport to Northern Ireland 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 16 June 2026.
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 return flight

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 4/11

19:40-20:45

3 stops20h 05m

Belfast Intl

Wed 18/11

07:55-15:15

3 stops36h 20m

£573

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 4/11

19:40-19:45

2 stops19h 05m

Belfast Intl

Wed 18/11

07:55-15:15

3 stops36h 20m

£590

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 29/7

23:20-21:45

2 stops17h 25m

Belfast Intl

Wed 5/8

22:45-20:24

2 stops26h 39m

£657

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Tue 28/7

20:30-23:05

2 stops21h 35m

Belfast Intl

Tue 4/8

08:50-15:10

3 stops35h 20m

£659
Fastest return journey

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 4/11

21:45-14:15

1 stop11h 30m

Belfast City

Wed 18/11

12:25-19:55

1 stop12h 30m

£683

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 9/8

22:25-17:40

1 stop14h 15m

Belfast City

Mon 24/8

19:35-15:55

1 stop25h 20m

£715

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 9/8

19:19-09:20

2 stops33h 01m

Belfast City

Mon 24/8

17:30-15:35

1 stop27h 05m

£737

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 2/11

18:20-09:10

1 stop9h 50m

Belfast City

Mon 16/11

17:20-15:45

1 stop27h 25m

£741

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 4/11

18:20-16:50

1 stop17h 30m

Belfast City

Wed 18/11

09:40-23:33

2 stops18h 53m

£749

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 9/8

11:10-16:55

2 stops24h 45m

Belfast City

Mon 24/8

17:30-16:38

2 stops28h 08m

£757

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 and Delta are the most popular carriers 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

Fastest flight time

10h 10m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Northern Ireland takes 10h 10m
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?

Finding the right flight to Northern Ireland from Washington, D.C. 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 Northern Ireland quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Northern Ireland from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Washington, D.C. and Northern Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Northern Ireland, momondo offers a useful price alert feature which will track prices for flights to Northern Ireland from Washington, D.C. and alert you when they change.

An easier way to manage your Northern Ireland trip

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