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Cheap flights from Washington, D.C. Dulles Intl Airport to Northern Ireland from $332

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 9/11. 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

Discover deals from 900+ travel sites with momondo.

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 - 8:45 pm
IAD
-
BFS
20h 05m
3 stops
Multiple Airlines Logo
7:55 am - 3:15 pm
BFS
-
IAD
36h 20m
3 stops
$769Multiple Airlines
Wed, Nov 4 - Wed, Nov 18
Multiple Airlines Logo
7:40 pm - 7:45 pm
IAD
-
BFS
19h 05m
2 stops
Multiple Airlines Logo
7:55 am - 3:15 pm
BFS
-
IAD
36h 20m
3 stops
$793Multiple Airlines
Wed, Nov 4 - Wed, Nov 18
Multiple Airlines Logo
11:20 pm - 9:45 pm
IAD
-
BFS
17h 25m
2 stops
Multiple Airlines Logo
10:45 pm - 8:24 pm
BFS
-
IAD
26h 39m
2 stops
$882Multiple Airlines
Wed, Jul 29 - Wed, Aug 5
Multiple Airlines Logo
8:30 pm - 11:05 pm
IAD
-
BFS
21h 35m
2 stops
Multiple Airlines Logo
8:50 am - 3:10 pm
BFS
-
IAD
35h 20m
3 stops
$885Multiple Airlines
Tue, Jul 28 - Tue, Aug 4
British Airways Logo
9:45 pm - 2:15 pm
IAD
-
BHD
11h 30m
1 stop
British Airways Logo
12:25 pm - 7:55 pm
BHD
-
IAD
12h 30m
1 stop
$917British Airways
Wed, Nov 4 - Wed, Nov 18
Multiple Airlines Logo
9:55 am - 7:50 pm
IAD
-
BFS
28h 55m
2 stops
Multiple Airlines Logo
5:55 am - 8:24 pm
BFS
-
IAD
19h 29m
2 stops
$948Multiple Airlines
Tue, Jul 14 - Wed, Jul 29
British Airways Logo
10:25 pm - 5:40 pm
IAD
-
BHD
14h 15m
1 stop
British Airways Logo
7:35 pm - 3:55 pm
BHD
-
IAD
25h 20m
1 stop
$960British Airways
Sun, Aug 9 - Mon, Aug 24
Virgin Atlantic Logo
7:19 pm - 9:20 am
IAD
-
BHD
33h 01m
2 stops
Virgin Atlantic Logo
5:30 pm - 3:35 pm
BHD
-
IAD
27h 05m
1 stop
$990Virgin Atlantic
Sun, Aug 9 - Mon, Aug 24
Delta Logo
6:20 pm - 9:10 am
IAD
-
BHD
9h 50m
1 stop
Delta Logo
5:20 pm - 3:45 pm
BHD
-
IAD
27h 25m
1 stop
$995Delta
Mon, Nov 2 - Mon, Nov 16
Virgin Atlantic Logo
6:20 pm - 4:50 pm
IAD
-
BHD
17h 30m
1 stop
Virgin Atlantic Logo
9:40 am - 11:33 pm
BHD
-
IAD
18h 53m
2 stops
$1,006Virgin Atlantic
Wed, Nov 4 - Wed, Nov 18

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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
Nov 4
IAD9:45 pmWashington, D.C. Dulles Intl
11h 30m
1 stop
BHD2:15 pmBelfast City
Nov 18
BHD12:25 pmBelfast City
12h 30m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl
$917
British Airways
Aug 9
IAD10:25 pmWashington, D.C. Dulles Intl
14h 15m
1 stop
BHD5:40 pmBelfast City
Aug 24
BHD7:35 pmBelfast City
25h 20m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$960
British Airways
Sep 20
IAD10:25 pmWashington, D.C. Dulles Intl
11h 10m
1 stop
BHD2:35 pmBelfast City
Sep 24
BHD6:30 amBelfast City
15h 55m
1 stop
IAD5:25 pmWashington, D.C. Dulles Intl
$976

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
Nov 2
IAD6:20 pmWashington, D.C. Dulles Intl
9h 50m
1 stop
BHD9:10 amBelfast City
Nov 16
BHD5:20 pmBelfast City
27h 25m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
$995
Delta
Aug 9
IAD11:10 amWashington, D.C. Dulles Intl
24h 45m
2 stops
BHD4:55 pmBelfast City
Aug 24
BHD5:30 pmBelfast City
28h 08m
2 stops
IAD4:38 pmWashington, D.C. Dulles Intl
$1,017
Delta
Nov 5
IAD5:45 pmWashington, D.C. Dulles Intl
10h 25m
1 stop
BHD9:10 amBelfast City
Nov 16
BHD5:20 pmBelfast City
27h 25m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
$1,045

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated June 16, 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 round-trip

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 11/4

7:40 pm-8:45 pm

3 stops20h 05m

Belfast Intl

Wed 11/18

7:55 am-3:15 pm

3 stops36h 20m

$769

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 11/4

7:40 pm-7:45 pm

2 stops19h 05m

Belfast Intl

Wed 11/18

7:55 am-3:15 pm

3 stops36h 20m

$793

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 7/29

11:20 pm-9:45 pm

2 stops17h 25m

Belfast Intl

Wed 8/5

10:45 pm-8:24 pm

2 stops26h 39m

$882

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Tue 7/28

8:30 pm-11:05 pm

2 stops21h 35m

Belfast Intl

Tue 8/4

8:50 am-3:10 pm

3 stops35h 20m

$885
Quickest round-trip

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/4

9:45 pm-2:15 pm

1 stop11h 30m

Belfast City

Wed 11/18

12:25 pm-7:55 pm

1 stop12h 30m

$917

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Tue 7/14

9:55 am-7:50 pm

2 stops28h 55m

Belfast Intl

Wed 7/29

5:55 am-8:24 pm

2 stops19h 29m

$948

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 8/9

10:25 pm-5:40 pm

1 stop14h 15m

Belfast City

Mon 8/24

7:35 pm-3:55 pm

1 stop25h 20m

$960

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 8/9

7:19 pm-9:20 am

2 stops33h 01m

Belfast City

Mon 8/24

5:30 pm-3:35 pm

1 stop27h 05m

$990

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 11/2

6:20 pm-9:10 am

1 stop9h 50m

Belfast City

Mon 11/16

5:20 pm-3:45 pm

1 stop27h 25m

$995

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/4

6:20 pm-4:50 pm

1 stop17h 30m

Belfast City

Wed 11/18

9:40 am-11:33 pm

2 stops18h 53m

$1,006

Flights are sorted by cheapest round-trip 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

11h 10m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Northern Ireland takes 11h 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 many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Northern Ireland?

  • 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.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Northern Ireland

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Northern Ireland with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $652Free CancellationRating
6.7
8,052 reviews
Search British Airways flights

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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