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 12h 20m on average. On the other hand, flying from Washington, D.C. to Belfast Intl Airport takes 12h 32m 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 many operators does momondo search for flights from Washington, D.C. to Northern Ireland?

The number of operators available for flights from Washington, D.C. to Northern Ireland is 1 as of June 2026.

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.

$310 Cheap Flights from Washington, D.C. to Northern Ireland in 2026

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 pm - 11:20 pm

IAD

BFS

21h 50m

2 stops

8:15 pm - 7:00 pm

BFS

IAD

27h 45m

3 stops

$787Multiple Airlines

Fri, Oct 2 - Tue, Oct 13

7:40 pm - 8:30 pm

IAD

BFS

19h 50m

2 stops

8:00 pm - 2:45 pm

BFS

IAD

47h 45m

3 stops

$799Multiple Airlines

Sun, Dec 6 - Sun, Dec 13

8:30 pm - 6:55 pm

IAD

BFS

17h 25m

2 stops

7:10 am - 3:10 pm

BFS

IAD

37h 00m

3 stops

$806Multiple Airlines

Sat, Aug 22 - Sun, Aug 30

9:45 pm - 4:50 pm

IAD

BHD

14h 05m

1 stop

6:30 am - 3:35 pm

BHD

IAD

14h 05m

1 stop

$911British Airways

Sun, Dec 6 - Sun, Dec 13

10:45 pm - 1:55 pm

IAD

BHD

11h 10m

1 stop

6:30 am - 3:35 pm

BHD

IAD

14h 05m

1 stop

$912British Airways

Sun, Oct 25 - Sun, Nov 15

5:30 pm - 10:20 am

DCA

BHD

12h 50m

2 stops

9:10 am - 6:51 pm

BHD

DCA

14h 41m

2 stops

$1,037American Airlines

Sun, Oct 25 - Sun, Nov 15

5:40 pm - 4:55 pm

BWI

BHD

18h 15m

2 stops

9:50 am - 10:55 pm

BHD

BWI

18h 05m

2 stops

$1,058Delta

Fri, Oct 2 - Tue, Oct 13

1:00 pm - 9:20 am

BWI

BHD

15h 20m

2 stops

9:50 am - 9:23 pm

BHD

BWI

16h 33m

2 stops

$1,104KLM

Sat, Aug 22 - Sun, Aug 30

1:50 pm - 9:20 am

DCA

BHD

14h 30m

2 stops

9:50 am - 8:33 pm

BHD

DCA

15h 43m

2 stops

$1,104KLM

Sat, Aug 22 - Sun, Aug 30

5:39 pm - 2:35 pm

DCA

BHD

15h 56m

2 stops

11:35 am - 9:51 pm

BHD

DCA

15h 16m

2 stops

$1,119American Airlines

Sun, Aug 9 - Mon, Aug 17

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KLM flights from Washington, D.C. to Northern Ireland

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

KLM

Aug 22

IAD5:40 pmWashington, D.C. Dulles Intl

10h 40m

1 stop

BHD9:20 amBelfast City

Aug 30

BHD5:30 pmBelfast City

27h 05m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$1,090

KLM

Aug 9

IAD12:29 pmWashington, D.C. Dulles Intl

15h 51m

2 stops

BHD9:20 amBelfast City

Aug 17

BHD5:30 pmBelfast City

27h 05m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$1,097

KLM

Aug 22

BWI1:00 pmBaltimore/Washington

15h 20m

2 stops

BHD9:20 amBelfast City

Aug 30

BHD9:50 amBelfast City

16h 33m

2 stops

BWI9:23 pmBaltimore/Washington

$1,104

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

Aug 22

IAD6:00 amWashington, D.C. Dulles Intl

22h 20m

2 stops

BHD9:20 amBelfast City

Aug 30

BHD9:50 amBelfast City

19h 44m

2 stops

IAD12:34 amWashington, D.C. Dulles Intl

$1,122

Virgin Atlantic

Jul 14

IAD5:40 pmWashington, D.C. Dulles Intl

10h 40m

1 stop

BHD9:20 amBelfast City

Aug 16

BHD5:30 pmBelfast City

27h 05m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$1,177

Virgin Atlantic

Jun 27

IAD5:40 pmWashington, D.C. Dulles Intl

10h 40m

1 stop

BHD9:20 amBelfast City

Jul 5

BHD9:50 amBelfast City

10h 45m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$1,547

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

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Fri 10/2

8:30 pm-11:20 pm

2 stops21h 50m

Belfast Intl

Tue 10/13

8:15 pm-7:00 pm

3 stops27h 45m

$787

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sun 12/6

7:40 pm-8:30 pm

2 stops19h 50m

Belfast Intl

Sun 12/13

8:00 pm-2:45 pm

3 stops47h 45m

$799

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sat 8/22

8:30 pm-6:55 pm

2 stops17h 25m

Belfast Intl

Sun 8/30

7:10 am-3:10 pm

3 stops37h 00m

$806

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 12/6

9:45 pm-4:50 pm

1 stop14h 05m

Belfast City

Sun 12/13

6:30 am-3:35 pm

1 stop14h 05m

$911

Quickest round-trip

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 10/25

10:45 pm-1:55 pm

1 stop11h 10m

Belfast City

Sun 11/15

6:30 am-3:35 pm

1 stop14h 05m

$912

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sun 10/25

5:30 pm-10:20 am

2 stops12h 50m

Belfast City

Sun 11/15

9:10 am-6:51 pm

2 stops14h 41m

$1,037

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Fri 10/2

5:40 pm-4:55 pm

2 stops18h 15m

Belfast City

Tue 10/13

9:50 am-10:55 pm

2 stops18h 05m

$1,058

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Sat 8/22

1:00 pm-9:20 am

2 stops15h 20m

Belfast City

Sun 8/30

9:50 am-9:23 pm

2 stops16h 33m

$1,104

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sat 8/22

1:50 pm-9:20 am

2 stops14h 30m

Belfast City

Sun 8/30

9:50 am-8:33 pm

2 stops15h 43m

$1,104

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sun 8/9

5:39 pm-2:35 pm

2 stops15h 56m

Belfast City

Mon 8/17

11:35 am-9:51 pm

2 stops15h 16m

$1,119

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?

Aer Lingus, British Airways, and KLM 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 40m
Direct flights	None

The fastest flight from Washington, D.C. to Northern Ireland takes 10h 40m

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 many operators does momondo search for flights from Washington, D.C. to Northern Ireland?
The number of operators available for flights from Washington, D.C. to Northern Ireland is 1 as of June 2026.
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.

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

Compare and see reviews for airlines that fly from Washington, D.C. to Northern Ireland with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $652	Free Cancellation	Rating 6.7 8,072 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?

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.