How long is the flight from Washington, D.C. to Northern Ireland?

Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in Northern Ireland you fly into. For example, flying from Baltimore to Belfast Intl Airport takes 10h 35m on average. On the other hand, flying from Washington, D.C. to Belfast Intl Airport takes 12h 47m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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

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

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Northern Ireland.

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

The required travel and health documents for your Northern Ireland 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 Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$337 Cheap Flights from Washington, D.C. to Northern Ireland in 2026

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

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 pm - 9:00 pmBWI Baltimore/Washington-BFS Belfast Intl

19h 30m2 stops Reykjavik Keflavik Intl Glasgow Intl

3:50 pm - 10:15 pmBFS Belfast Intl-BWI Baltimore/Washington

35h 25m2 stops London Gatwick Reykjavik Keflavik Intl

$745Multiple Airlines

Sun, Sep 27 - Mon, Oct 12

8:30 pm - 7:40 pmIAD Washington, D.C. Dulles Intl-BFS Belfast Intl

18h 10m2 stops Reykjavik Keflavik Intl Glasgow Intl

5:10 pm - 10:15 pmBFS Belfast Intl-IAD Washington, D.C. Dulles Intl

34h 05m3 stops Malaga London Gatwick Reykjavik Keflavik Intl

$772Multiple Airlines

Tue, Sep 22 - Tue, Sep 29

8:30 pm - 11:25 pmIAD Washington, D.C. Dulles Intl-BFS Belfast Intl

21h 55m2 stops Reykjavik Keflavik Intl Manchester

6:45 am - 3:45 pmBFS Belfast Intl-IAD Washington, D.C. Dulles Intl

38h 00m3 stops Malaga Casablanca Mohamed V Riyadh King Khaled Intl

$772Multiple Airlines

Sat, Sep 19 - Sat, Sep 26

8:30 pm - 4:20 pmIAD Washington, D.C. Dulles Intl-BFS Belfast Intl

14h 50m2 stops Reykjavik Keflavik Intl Glasgow Intl

5:10 pm - 10:15 pmBFS Belfast Intl-IAD Washington, D.C. Dulles Intl

34h 05m3 stops Malaga London Gatwick Reykjavik Keflavik Intl

$790Multiple Airlines

Tue, Sep 22 - Tue, Sep 29

8:30 pm - 11:35 pmBWI Baltimore/Washington-BFS Belfast Intl

22h 05m3 stops Reykjavik Keflavik Intl Glasgow Intl Birmingham

3:50 pm - 10:15 pmBFS Belfast Intl-BWI Baltimore/Washington

35h 25m2 stops London Gatwick Reykjavik Keflavik Intl

$799Multiple Airlines

Sun, Sep 27 - Mon, Oct 12

11:20 pm - 9:00 pmIAD Washington, D.C. Dulles Intl-BFS Belfast Intl

16h 40m2 stops Reykjavik Keflavik Intl Glasgow Intl

8:15 pm - 3:10 pmBFS Belfast Intl-IAD Washington, D.C. Dulles Intl

47h 55m3 stops London Luton Madrid Barajas Lisbon Humberto Delgado

$816Multiple Airlines

Sun, Sep 27 - Mon, Oct 12

11:20 pm - 9:00 pmIAD Washington, D.C. Dulles Intl-BFS Belfast Intl

16h 40m2 stops Reykjavik Keflavik Intl Glasgow Intl

3:35 pm - 7:20 pmBFS Belfast Intl-IAD Washington, D.C. Dulles Intl

32h 45m2 stops London Stansted Reykjavik Keflavik Intl

$820Multiple Airlines

Sun, Sep 27 - Mon, Oct 12

11:20 pm - 9:00 pmIAD Washington, D.C. Dulles Intl-BFS Belfast Intl

16h 40m2 stops Reykjavik Keflavik Intl Glasgow Intl

3:35 pm - 7:20 pmBFS Belfast Intl-IAD Washington, D.C. Dulles Intl

32h 45m2 stops London Stansted Reykjavik Keflavik Intl

$822Multiple Airlines

Sun, Sep 27 - Mon, Oct 12

8:30 pm - 4:20 pmIAD Washington, D.C. Dulles Intl-BFS Belfast Intl

14h 50m2 stops Reykjavik Keflavik Intl Glasgow Intl

10:30 am - 7:20 pmBFS Belfast Intl-IAD Washington, D.C. Dulles Intl

13h 50m2 stops Glasgow Intl Reykjavik Keflavik Intl

$844Multiple Airlines

Tue, Sep 22 - Tue, Sep 29

8:30 pm - 8:40 pmIAD Washington, D.C. Dulles Intl-BFS Belfast Intl

19h 10m2 stops Reykjavik Keflavik Intl Manchester

7:00 am - 7:10 pmBFS Belfast Intl-IAD Washington, D.C. Dulles Intl

17h 10m2 stops Birmingham Dublin

$846Multiple Airlines

Sat, Sep 19 - Sat, Sep 26

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Virgin Atlantic flights from Washington, D.C. to Northern Ireland

Our best Virgin Atlantic deals on Washington, D.C. to Northern Ireland flight tickets

Virgin Atlantic

Sep 27

IAD5:40 pmWashington, D.C. Dulles Intl

10h 40m

1 stop

BHD9:20 amBelfast City

Oct 12

BHD5:30 pmBelfast City

27h 05m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$951

Virgin Atlantic

Sep 27

IAD5:40 pmWashington, D.C. Dulles Intl

10h 40m

1 stop

BHD9:20 amBelfast City

Oct 12

BHD5:30 pmBelfast City

27h 05m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$952

Virgin Atlantic

Sep 27

IAD5:40 pmWashington, D.C. Dulles Intl

10h 40m

1 stop

BHD9:20 amBelfast City

Oct 12

BHD5:30 pmBelfast City

27h 05m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$955

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

Our best British Airways deals on Washington, D.C. to Northern Ireland flight tickets

British Airways

Nov 18

BWI6:55 pmBaltimore/Washington

10h 20m

1 stop

BHD10:15 amBelfast City

Nov 23

BHD9:15 amBelfast City

12h 50m

1 stop

BWI5:05 pmBaltimore/Washington

$953

British Airways

Nov 18

DCA6:23 pmWashington, D.C. Reagan-National

14h 52m

2 stops

BHD2:15 pmBelfast City

Nov 23

BHD11:30 amBelfast City

17h 29m

2 stops

DCA11:59 pmWashington, D.C. Reagan-National

$967

British Airways

Dec 6

IAD9:45 pmWashington, D.C. Dulles Intl

11h 10m

1 stop

BHD1:55 pmBelfast City

Dec 10

BHD7:40 amBelfast City

17h 15m

1 stop

IAD7:55 pmWashington, D.C. Dulles Intl

$978

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreBelfast

BWI Baltimore/Washington - BFS Belfast Intl

BWIBFS

Baltimore/Washington

Sun 9/27

8:30 pm-9:00 pm

2 stops19h 30m

Belfast Intl

Mon 10/12

3:50 pm-10:15 pm

2 stops35h 25m

$745

Washington, D.C.Belfast

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

IADBFS

Washington, D.C. Dulles Intl

Tue 9/22

8:30 pm-7:40 pm

2 stops18h 10m

Belfast Intl

Tue 9/29

5:10 pm-10:15 pm

3 stops34h 05m

$772

Washington, D.C.Belfast

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

IADBFS

Washington, D.C. Dulles Intl

Sat 9/19

8:30 pm-11:25 pm

2 stops21h 55m

Belfast Intl

Sat 9/26

6:45 am-3:45 pm

3 stops38h 00m

$772

Washington, D.C.Belfast

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

IADBFS

Washington, D.C. Dulles Intl

Tue 9/22

8:30 pm-4:20 pm

2 stops14h 50m

Belfast Intl

Tue 9/29

5:10 pm-10:15 pm

3 stops34h 05m

$790

BaltimoreBelfast

BWI Baltimore/Washington - BFS Belfast Intl

BWIBFS

Baltimore/Washington

Sun 9/27

8:30 pm-11:35 pm

3 stops22h 05m

Belfast Intl

Mon 10/12

3:50 pm-10:15 pm

2 stops35h 25m

$799

Washington, D.C.Belfast

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

IADBFS

Washington, D.C. Dulles Intl

Sun 9/27

11:20 pm-9:00 pm

2 stops16h 40m

Belfast Intl

Mon 10/12

8:15 pm-3:10 pm

3 stops47h 55m

$816

Washington, D.C.Belfast

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

IADBFS

Washington, D.C. Dulles Intl

Sun 9/27

11:20 pm-9:00 pm

2 stops16h 40m

Belfast Intl

Mon 10/12

3:35 pm-7:20 pm

2 stops32h 45m

$820

Washington, D.C.Belfast

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

IADBFS

Washington, D.C. Dulles Intl

Sun 9/27

11:20 pm-9:00 pm

2 stops16h 40m

Belfast Intl

Mon 10/12

3:35 pm-7:20 pm

2 stops32h 45m

$822

Quickest round-trip

Washington, D.C.Belfast

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

IADBFS

Washington, D.C. Dulles Intl

Tue 9/22

8:30 pm-4:20 pm

2 stops14h 50m

Belfast Intl

Tue 9/29

10:30 am-7:20 pm

2 stops13h 50m

$844

Washington, D.C.Belfast

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

IADBFS

Washington, D.C. Dulles Intl

Sat 9/19

8:30 pm-8:40 pm

2 stops19h 10m

Belfast Intl

Sat 9/26

7:00 am-7:10 pm

2 stops17h 10m

$846

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. 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

Airlines

Other information

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

KLM and British Airways are the most popular carriers operating from Washington, D.C. to Northern Ireland

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

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

Fastest flight time	10h 35m
Direct flights	None

The fastest flight from Washington, D.C. to Northern Ireland takes 10h 35m

There are no direct flights from Washington, D.C. to Northern Ireland. There are no popular flight routes from Washington, D.C. to Northern Ireland.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Northern Ireland

When did momondo last update prices for flights from Washington, D.C. to Northern Ireland?
Prices for flights from Washington, D.C. to Northern Ireland are updated daily.
How old do you have to be to fly from Washington, D.C. to Northern Ireland?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The required travel and health documents for your Northern Ireland 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 Northern Ireland. We recommend that you seek guidance from your airline or a reliable 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?

Yes. All flights to Northern Ireland from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

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.