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

Prices for flights from Northern Ireland to Washington, D.C. are refreshed on a daily basis.

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

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 Northern Ireland to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£475 Cheap Flights from Northern Ireland to Washington, D.C. in 2026

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

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One-way

Cheap return flights

Enter your travel dates to find the best prices.

20:35 - 16:47

BHD

DCA

25h 12m

2 stops

17:31 - 12:55

DCA

BHD

14h 24m

2 stops

£621British Airways

Thu, 23 Apr - Mon, 27 Apr

11:00 - 22:15

BHD

DCA

16h 15m

2 stops

06:00 - 08:50

DCA

BHD

21h 50m

2 stops

£624British Airways

Fri, 1 May - Mon, 4 May

09:35 - 17:25

BHD

IAD

12h 50m

1 stop

17:20 - 12:55

IAD

BHD

14h 35m

2 stops

£629British Airways

Thu, 3 Sep - Mon, 7 Sep

14:20 - 20:20

BHD

IAD

11h 00m

1 stop

20:19 - 17:30

IAD

BHD

16h 11m

2 stops

£630British Airways

Thu, 3 Sep - Mon, 7 Sep

16:35 - 15:30

BHD

IAD

27h 55m

2 stops

17:20 - 12:55

IAD

BHD

14h 35m

2 stops

£631British Airways

Thu, 3 Sep - Mon, 7 Sep

09:35 - 22:20

BHD

DCA

17h 45m

2 stops

14:54 - 12:55

DCA

BHD

17h 01m

2 stops

£633British Airways

Thu, 3 Sep - Mon, 7 Sep

09:35 - 23:17

BHD

DCA

18h 42m

2 stops

17:45 - 15:30

DCA

BHD

16h 45m

2 stops

£636British Airways

Thu, 3 Sep - Mon, 7 Sep

07:35 - 14:15

BFS

IAD

35h 40m

3 stops

20:30 - 23:20

IAD

BFS

21h 50m

3 stops

£695Multiple Airlines

Fri, 1 May - Mon, 11 May

09:40 - 19:20

BFS

IAD

14h 40m

2 stops

20:30 - 20:40

IAD

BFS

19h 10m

2 stops

£709Multiple Airlines

Fri, 1 May - Mon, 11 May

07:35 - 14:15

BFS

IAD

35h 40m

3 stops

17:55 - 15:35

IAD

BFS

16h 40m

2 stops

£832Multiple Airlines

Fri, 1 May - Mon, 11 May

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

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

British Airways

23 Apr

BHD20:35Belfast City

25h 12m

2 stops

DCA16:47Washington, D.C. Reagan-National

27 Apr

DCA17:31Washington, D.C. Reagan-National

14h 24m

2 stops

BHD12:55Belfast City

£621

British Airways

1 May

BHD11:00Belfast City

16h 15m

2 stops

DCA22:15Washington, D.C. Reagan-National

4 May

DCA06:00Washington, D.C. Reagan-National

21h 50m

2 stops

BHD08:50Belfast City

£624

British Airways

3 Sept

BHD09:35Belfast City

12h 50m

1 stop

IAD17:25Washington, D.C. Dulles Intl

7 Sept

IAD17:20Washington, D.C. Dulles Intl

14h 35m

2 stops

BHD12:55Belfast City

£629

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 23/4

20:35-16:47

2 stops25h 12m

Washington, D.C. Reagan-National

Mon 27/4

17:31-12:55

2 stops14h 24m

£621

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Fri 1/5

11:00-22:15

2 stops16h 15m

Washington, D.C. Reagan-National

Mon 4/5

06:00-08:50

2 stops21h 50m

£624

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 3/9

09:35-17:25

1 stop12h 50m

Washington, D.C. Dulles Intl

Mon 7/9

17:20-12:55

2 stops14h 35m

£629

Fastest return journey

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 3/9

14:20-20:20

1 stop11h 00m

Washington, D.C. Dulles Intl

Mon 7/9

20:19-17:30

2 stops16h 11m

£630

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 3/9

16:35-15:30

2 stops27h 55m

Washington, D.C. Dulles Intl

Mon 7/9

17:20-12:55

2 stops14h 35m

£631

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 3/9

09:35-22:20

2 stops17h 45m

Washington, D.C. Reagan-National

Mon 7/9

14:54-12:55

2 stops17h 01m

£633

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 3/9

09:35-23:17

2 stops18h 42m

Washington, D.C. Reagan-National

Mon 7/9

17:45-15:30

2 stops16h 45m

£636

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Fri 1/5

07:35-14:15

3 stops35h 40m

Washington, D.C. Dulles Intl

Mon 11/5

20:30-23:20

3 stops21h 50m

£695

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Fri 1/5

09:40-19:20

2 stops14h 40m

Washington, D.C. Dulles Intl

Mon 11/5

20:30-20:40

2 stops19h 10m

£709

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Fri 1/5

07:35-14:15

3 stops35h 40m

Washington, D.C. Dulles Intl

Mon 11/5

17:55-15:35

2 stops16h 40m

£832

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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 Northern Ireland to Washington, D.C.?

British Airways is the most popular carrier operating from Northern Ireland to Washington, D.C.

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

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

Fastest flight time	14h 45m
Direct flights	None

The fastest flight from Northern Ireland to Washington, D.C. takes 14h 45m

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

Search flight deals

When did momondo last update prices for flights from Northern Ireland to Washington, D.C.?
Prices for flights from Northern Ireland to Washington, D.C. are refreshed on a daily basis.
How old do you have to be to fly from Northern Ireland to Washington, D.C.?
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 Northern Ireland to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

College Park

Arlington

Fairfax

Linthicum Heights

Glen Burnie

Laurel

Lutherville Timonium

Ellicott City

Cambridge

Lexington Park

Westminster

Woodbridge

Bethesda

Alexandria

Silver Spring

Rockville

Owings Mills

Landover

National Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Northern Ireland to Washington, D.C. for you.

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

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

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

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Northern Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Northern Ireland to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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Nearby airports

Cabin classes

Other United States destinations

Other flights from Northern Ireland

Complete your trip

Feeling lucky

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Northern Ireland to Washington, D.C. from £475

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

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Price Alerts

Price Alerts

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

Cheap return flights

Cheap one-way flights

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

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

momondo Fare Finder

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

See travel insights to Washington, D.C. from

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

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

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

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

Fastest flight time

Direct flights

Travelling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular Cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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