£390+ Flights from Northern Ireland to Washington, D.C. | Cheapflights

Cheap flight deals from Northern Ireland to Washington, D.C.

Round-trip from	£540
One-way from	£390

20/5-27/5

20/5-27/5
5 total stops
56h 03m total
Northern Ireland to Washington, D.C.

3/8

3/8
3 total stops
48h 30m total
Northern Ireland to Washington, D.C.

Find flight deals from Northern Ireland to Washington, D.C.

Cheapest flights from Northern Ireland to Washington, D.C.
Explore the most affordable flight options available from Northern Ireland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.

Tue 20/506:45BFS - IAD

3 stops37h 35mMultiple Airlines

Tue 27/517:12IAD - BFS

2 stops18h 28mMultiple Airlines

Deal found 16/4£540

Tue 20/506:15BFS - DCA

3 stops21h 13mMultiple Airlines

Tue 27/506:59DCA - BFS

2 stops28h 41mMultiple Airlines

Deal found 16/4£651

Tue 20/506:35BHD - IAD

1 stop14h 10mBritish Airways

Tue 27/519:25IAD - BHD

1 stop12h 35mBritish Airways

Deal found 16/4£688

Tue 20/506:55BHD - IAD

2 stops19h 30mMultiple Airlines

Tue 27/517:12IAD - BHD

2 stops22h 58mMultiple Airlines

Deal found 16/4£713

Sun 1/609:55BFS - BWI

2 stops30h 51mMultiple Airlines

Sun 8/618:50BWI - BFS

2 stops16h 05mMultiple Airlines

Deal found 17/4£718

Tue 20/506:30BHD - IAD

2 stops18h 09mKLM

Tue 27/517:25IAD - BHD

1 stop22h 40mKLM

Deal found 16/4£745

Tue 20/506:35BHD - BWI

1 stop18h 00mBritish Airways

Tue 27/521:20BWI - BHD

1 stop10h 40mBritish Airways

Deal found 16/4£860

Best flights from Northern Ireland to Washington, D.C.
Discover carefully curated flight deals from Northern Ireland to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 April 2025.

Tue 20/506:45BFS - IAD

3 stops37h 35mMultiple Airlines

Tue 27/517:12IAD - BFS

2 stops18h 28mMultiple Airlines

Deal found 16/4£540

Tue 20/506:35BHD - IAD

1 stop14h 10mBritish Airways

Tue 27/519:25IAD - BHD

1 stop12h 35mBritish Airways

Deal found 16/4£688

Tue 20/506:30BHD - IAD

2 stops18h 09mKLM

Tue 27/517:25IAD - BHD

1 stop22h 40mKLM

Deal found 16/4£745

Tue 20/506:15BFS - DCA

3 stops21h 13mMultiple Airlines

Tue 27/506:59DCA - BFS

2 stops28h 41mMultiple Airlines

Deal found 16/4£651

Tue 20/506:55BHD - IAD

2 stops19h 30mMultiple Airlines

Tue 27/517:12IAD - BHD

2 stops22h 58mMultiple Airlines

Deal found 16/4£713

Tue 20/506:35BHD - BWI

1 stop18h 00mBritish Airways

Tue 27/521:20BWI - BHD

1 stop10h 40mBritish Airways

Deal found 16/4£860

Sun 1/609:55BFS - BWI

2 stops30h 51mMultiple Airlines

Sun 8/618:50BWI - BFS

2 stops16h 05mMultiple Airlines

Deal found 17/4£718

Last-minute flights from Northern Ireland to Washington, D.C.
Discover last-minute flight deals from Northern Ireland to Washington, D.C.. Data last updated 18 April 2025 and is based on user searches.

Tue 20/506:45BFS - IAD

3 stops37h 35mMultiple Airlines

Tue 27/517:12IAD - BFS

2 stops18h 28mMultiple Airlines

Deal found 16/4£540

Tue 20/506:15BFS - DCA

3 stops21h 13mMultiple Airlines

Tue 27/506:59DCA - BFS

2 stops28h 41mMultiple Airlines

Deal found 16/4£651

Tue 20/506:35BHD - IAD

1 stop14h 10mBritish Airways

Tue 27/519:25IAD - BHD

1 stop12h 35mBritish Airways

Deal found 16/4£688

Tue 20/506:55BHD - IAD

2 stops19h 30mMultiple Airlines

Tue 27/517:12IAD - BHD

2 stops22h 58mMultiple Airlines

Deal found 16/4£713

Tue 20/506:30BHD - IAD

2 stops18h 09mKLM

Tue 27/517:25IAD - BHD

1 stop22h 40mKLM

Deal found 16/4£745

Tue 20/506:15BFS - BWI

2 stops18h 10mMultiple Airlines

Tue 27/520:30BWI - BFS

2 stops19h 05mMultiple Airlines

Deal found 16/4£800

Tue 20/506:35BHD - BWI

1 stop18h 00mBritish Airways

Tue 27/521:20BWI - BHD

1 stop10h 40mBritish Airways

Deal found 16/4£860

One-way flights from Northern Ireland to Washington, D.C.
Search for one-way flight options from Northern Ireland to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 18 April 2025.

Sun 3/822:10BFS - BWI

3 stops48h 30mMultiple Airlines

Deal found 15/4£390

Sun 3/807:05BHD - BWI

2 stops39h 35mMultiple Airlines

Deal found 15/4£513

Mon 30/618:00BHD - IAD

2 stops26h 50mAer Lingus

Deal found 17/4£641

Mon 30/619:30BHD - BWI

1 stop29h 05mFinnair

Deal found 16/4£1,257

Mon 30/609:50BHD - DCA

2 stops18h 17mIberia

Deal found 17/4£1,278

Mon 30/606:30BHD - IAD

1 stop14h 05mVirgin Atlantic

Deal found 17/4£1,287

Mon 30/613:50BHD - BWI

1 stop10h 45mBritish Airways

Deal found 17/4£1,293

Cheapflights 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

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Tue 20/5

06:45-15:20

3 stops37h 35m

Washington, D.C. Dulles Intl

Tue 27/5

17:12-16:40

2 stops18h 28m

£540

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Tue 20/5

06:15-22:28

3 stops21h 13m

Washington, D.C. Reagan-National

Tue 27/5

06:59-16:40

2 stops28h 41m

£651

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 20/5

06:35-15:45

1 stop14h 10m

Washington, D.C. Dulles Intl

Tue 27/5

19:25-13:00

1 stop12h 35m

£688

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 20/5

06:55-21:25

2 stops19h 30m

Washington, D.C. Dulles Intl

Tue 27/5

17:12-21:10

2 stops22h 58m

£713

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Sun 1/6

09:55-11:46

2 stops30h 51m

Baltimore/Washington

Sun 8/6

18:50-15:55

2 stops16h 05m

£718

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 20/5

06:30-19:39

2 stops18h 09m

Washington, D.C. Dulles Intl

Tue 27/5

17:25-21:05

1 stop22h 40m

£745

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Tue 20/5

06:35-19:35

1 stop18h 00m

Baltimore/Washington

Tue 27/5

21:20-13:00

1 stop10h 40m

£860

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Sun 3/8

22:10-17:40

3 stops48h 30m

£390

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Sun 3/8

07:05-17:40

2 stops39h 35m

£513

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Mon 30/6

18:00-15:50

2 stops26h 50m

£641

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 14 results

1

2

Best time to book a flight from Northern Ireland to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Northern Ireland with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to Washington, D.C.

What is the cheapest time of day to fly from NIR to WAS?

When flying from Northern Ireland to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Washington, D.C.

7.8

Good

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

7.8

Good

7.8

Good

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

7.6

Good

7.8

Good

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Virgin Atlantic

7.4

Good

7.8

Good

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

7.0

Good

7.8

Good

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

7.0

Good

7.8

Good

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Related info for your journey

What are the cheapest airlines to fly from Northern Ireland to Washington, D.C. one-way?
For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as £641. Users have also found prices from £1,257 and £1,278 on Finnair and Iberia, respectively.
What are the most popular routes from Northern Ireland to Washington, D.C.?
Most travelers choose Belfast Intl - Baltimore/Washington, Belfast Intl - Washington, D.C. Dulles Intl or Belfast Intl - Washington, D.C. Reagan-National when deciding on the best route from Northern Ireland to Washington, D.C..
Can I find deals for flights from Northern Ireland to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Northern Ireland to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Northern Ireland to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Washington, D.C..
Can I find deals for business class flights from Northern Ireland to Washington, D.C.?
Yes. Cheapflights offers flight deals from Northern Ireland to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Northern Ireland to Washington, D.C.?
Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Washington, D.C. (average of £599). Flying from Northern Ireland to Washington, D.C. in July is currently the most expensive (average of £947). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Silver Spring

Arlington

Woodbridge

College Park

Laurel

Tysons

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Northern Ireland to Washington, D.C.

Heathrow to Dulles Intl flights

Gatwick to Dulles Intl flights

Heathrow to Reagan-National flights

London City to Dulles Intl flights

Gatwick to Reagan-National flights

Manchester to Dulles Intl flights

Stansted to Dulles Intl flights

London City to Reagan-National flights

Edinburgh to Dulles Intl flights

Luton to Dulles Intl flights

Manchester to Reagan-National flights

Edinburgh to Reagan-National flights

Glasgow Intl to Dulles Intl flights

Bristol to Dulles Intl flights

Birmingham to Dulles Intl flights

Newcastle upon Tyne to Dulles Intl flights

Glasgow Intl to Reagan-National flights

Birmingham to Reagan-National flights

Bristol to Reagan-National flights

Newcastle upon Tyne to Reagan-National flights

Aberdeen to Dulles Intl flights

Cardiff to Reagan-National flights

Cardiff to Dulles Intl flights

Aberdeen to Reagan-National flights

Norwich to Dulles Intl flights

Southend to Dulles Intl flights

Belfast Intl to Dulles Intl flights

Southampton to Dulles Intl flights

Leeds to Dulles Intl flights

Inverness to Dulles Intl flights

Leeds to Reagan-National flights

Inverness to Reagan-National flights

Grimsby to Dulles Intl flights

Exeter to Dulles Intl flights

Doncaster to Dulles Intl flights

Belfast City to Dulles Intl flights

Southampton to Reagan-National flights

Norwich to Reagan-National flights

Grimsby to Reagan-National flights

Belfast City to Reagan-National flights

Complete your trip

Washington, D.C. car hire

Washington, D.C. Dulles Intl Airport car hire

Baltimore/Washington Airport car hire

Washington, D.C. Reagan-National Airport car hire

Dupont Circle car hire

Georgetown car hire

Downtown car hire

Capitol Hill car hire

Foggy Bottom - West End car hire

Southwest Waterfront car hire

Columbia Heights car hire

Anacostia car hire

Direct flights to United States

Other flights to Washington, D.C.

Washington, D.C. Dulles Intl Airport to Orlando Airport flights

Baltimore to Atlanta flights

Washington, D.C. Reagan-National Airport to Boston flights

Baltimore to Los Angeles flights

Baltimore to Orlando Airport flights

Washington, D.C. Dulles Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights

Washington, D.C. Dulles Intl Airport to Toronto Pearson Intl Airport flights

Washington, D.C. Reagan-National Airport to Boston flights

Washington, D.C. Dulles Intl Airport to Toronto Pearson Intl Airport flights

Baltimore to Atlanta flights

Washington, D.C. Dulles Intl Airport to Orlando Airport flights

Washington, D.C. Reagan-National Airport to Los Angeles flights

Washington, D.C. Dulles Intl Airport to San Francisco flights

Washington, D.C. Dulles Intl Airport to Lisbon flights

Baltimore to London Heathrow Airport flights

Washington, D.C. Dulles Intl Airport to Istanbul Airport flights

Washington, D.C. Dulles Intl Airport to London Heathrow Airport flights

Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flights

Top airline flying from Northern Ireland to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£689	Average£719	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Northern Ireland to Washington, D.C.?

Deals for Northern Ireland to Washington, D.C. flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Washington, D.C.?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Northern Ireland to Washington, D.C..

Can Cheapflights find flights from Northern Ireland to Washington, D.C. with no change fees?

Need flexible booking options for your flight to Washington, D.C. from Northern Ireland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Northern Ireland to Washington, D.C. become cheaper?

Not ready to book yet? You can track prices for flights from Northern Ireland to Washington, D.C. on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.