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 50m on average. On the other hand, flying from Washington, D.C. to Belfast Intl Airport takes 11h 43m 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.

$336 Cheap Flights from Washington, D.C. to Northern Ireland in 2026/27

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.

7:40 pm - 9:40 pmIAD Washington, D.C. Dulles Intl-BFS Belfast Intl

21h 00m2 stops Reykjavik Keflavik Intl Manchester

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

7:40 pm - 8:35 pmIAD Washington, D.C. Dulles Intl-BFS Belfast Intl

19h 55m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen London Stansted

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

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

19h 50m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Edinburgh Turnhouse

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

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

19h 50m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Edinburgh Turnhouse

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

7:40 pm - 8:20 pmIAD Washington, D.C. Dulles Intl-BFS Belfast Intl

19h 40m2 stops Reykjavik Keflavik Intl Manchester

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

7:40 pm - 8:35 pmIAD Washington, D.C. Dulles Intl-BFS Belfast Intl

19h 55m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen London Stansted

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

9:55 pm - 1:15 pmIAD Washington, D.C. Dulles Intl-BHD Belfast City

10h 20m1 stop London Heathrow

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

7:40 pm - 8:45 pmIAD Washington, D.C. Dulles Intl-BFS Belfast Intl

20h 05m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Birmingham

12:30 pm - 7:05 pmBFS Belfast Intl-IAD Washington, D.C. Dulles Intl

35h 35m2 stops Malaga Casablanca Mohamed V

$974Multiple Airlines

Sun, Nov 15 - Sat, Nov 21

5:40 pm - 9:00 amIAD Washington, D.C. Dulles Intl-BHD Belfast City

10h 20m1 stop London Heathrow

9:40 am - 3:50 pmBHD Belfast City-IAD Washington, D.C. Dulles Intl

11h 10m1 stop London Heathrow

$980British Airways

Tue, Apr 13 - Tue, Apr 20

7:40 pm - 9:25 pmIAD Washington, D.C. Dulles Intl-BFS Belfast Intl

20h 45m2 stops Reykjavik Keflavik Intl London Gatwick

12:30 pm - 7:05 pmBFS Belfast Intl-IAD Washington, D.C. Dulles Intl

35h 35m2 stops Malaga Casablanca Mohamed V

$982Multiple Airlines

Sun, Nov 15 - Sat, Nov 21

Cheap last minute flights

Enter your travel dates to find the best prices.

7:17 pm - 3:55 pmIAD Washington, D.C. Dulles Intl-BHD Belfast City

15h 38m2 stops Charlotte Douglas London Heathrow

10:00 am - 10:59 pmBHD Belfast City-IAD Washington, D.C. Dulles Intl

17h 59m2 stops London Heathrow Charlotte Douglas

$2,490American Airlines

Mon, Nov 9 - Tue, Nov 17

5:15 pm - 2:15 pmIAD Washington, D.C. Dulles Intl-BHD Belfast City

16h 00m2 stops Charlotte Douglas London Heathrow

6:30 am - 5:14 pmBHD Belfast City-IAD Washington, D.C. Dulles Intl

15h 44m2 stops London Heathrow Charlotte Douglas

$2,548British Airways

Mon, Nov 9 - Sun, Nov 15

9:45 pm - 4:50 pmIAD Washington, D.C. Dulles Intl-BHD Belfast City

14h 05m1 stop London Heathrow

6:30 am - 5:14 pmBHD Belfast City-IAD Washington, D.C. Dulles Intl

15h 44m2 stops London Heathrow Charlotte Douglas

$2,713British Airways

Sun, Nov 8 - Sun, Nov 15

9:45 pm - 2:15 pmIAD Washington, D.C. Dulles Intl-BHD Belfast City

11h 30m1 stop London Heathrow

8:35 am - 3:40 pmBHD Belfast City-IAD Washington, D.C. Dulles Intl

12h 05m1 stop London Heathrow

$2,837British Airways

Mon, Nov 9 - Fri, Nov 13

7:17 pm - 5:25 pmIAD Washington, D.C. Dulles Intl-BHD Belfast City

17h 08m2 stops Charlotte Douglas London Heathrow

11:45 am - 7:55 pmBHD Belfast City-IAD Washington, D.C. Dulles Intl

13h 10m1 stop London Heathrow

$2,840British Airways

Mon, Nov 9 - Sat, Nov 14

7:17 pm - 3:55 pmIAD Washington, D.C. Dulles Intl-BHD Belfast City

15h 38m2 stops Charlotte Douglas London Heathrow

9:50 am - 7:55 pmBHD Belfast City-IAD Washington, D.C. Dulles Intl

15h 05m2 stops Glasgow Intl London Heathrow

$2,876British Airways

Mon, Nov 9 - Sat, Nov 14

9:45 pm - 1:50 pmIAD Washington, D.C. Dulles Intl-BHD Belfast City

11h 05m1 stop London Heathrow

8:35 am - 3:40 pmBHD Belfast City-IAD Washington, D.C. Dulles Intl

12h 05m1 stop London Heathrow

$2,964British Airways

Sun, Nov 8 - Fri, Nov 13

9:45 pm - 1:50 pmIAD Washington, D.C. Dulles Intl-BHD Belfast City

11h 05m1 stop London Heathrow

9:15 am - 3:40 pmBHD Belfast City-IAD Washington, D.C. Dulles Intl

11h 25m1 stop London Heathrow

$3,020British Airways

Sun, Nov 8 - Wed, Nov 11

9:55 pm - 1:15 pmIAD Washington, D.C. Dulles Intl-BHD Belfast City

10h 20m1 stop London Heathrow

1:35 pm - 7:55 pmBHD Belfast City-IAD Washington, D.C. Dulles Intl

11h 20m1 stop London Heathrow

$3,120British Airways

Wed, Nov 4 - Fri, Nov 6

9:45 pm - 1:50 pmIAD Washington, D.C. Dulles Intl-BHD Belfast City

11h 05m1 stop London Heathrow

3:15 pm - 7:55 pmBHD Belfast City-IAD Washington, D.C. Dulles Intl

33h 40m1 stop London Heathrow

$3,206Finnair

Sun, Nov 8 - Sun, Nov 15

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

Our best Aer Lingus deals on Washington, D.C. 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

Mar 20

IAD6:15 pmWashington, D.C. Dulles Intl

15h 55m

2 stops

BHD2:10 pmBelfast City

Mar 25

BHD10:10 amBelfast City

14h 10m

2 stops

IAD8:20 pmWashington, D.C. Dulles Intl

$1,258

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

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

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

$1,030

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

Nov 29

IAD7:37 pmWashington, D.C. Dulles Intl

16h 08m

2 stops

BHD4:45 pmBelfast City

Dec 6

BHD5:15 pmBelfast City

27h 40m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

$1,142

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 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

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 - 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

Washington, D.C.Belfast

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

IADBFS

Washington, D.C. Dulles Intl

Sun 11/15

7:40 pm-8:45 pm

3 stops20h 05m

Belfast Intl

Sat 11/21

12:30 pm-7:05 pm

2 stops35h 35m

$974

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

$980

Washington, D.C.Belfast

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

IADBFS

Washington, D.C. Dulles Intl

Sun 11/15

7:40 pm-9:25 pm

2 stops20h 45m

Belfast Intl

Sat 11/21

12:30 pm-7:05 pm

2 stops35h 35m

$982

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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?

British Airways is the most popular carrier 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

Best Price Found	$336
Fastest flight time	10h 20m
Direct flights	None

The best one-way flight to Northern Ireland from Washington, D.C. in the past 72 hours is $336. The best round-trip flight deal from Washington, D.C. to Northern Ireland found on momondo in the last 72 hours is $884.

The fastest flight from Washington, D.C. to Northern Ireland takes 10h 20m

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.