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Cheap flights from Northern Ireland to Washington, D.C. from £532

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — WAS
26 Dec — 2 Jan1
1 adult
1 adult, Economy, 0 bags

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

Keep the following information in mind while searching for Northern Ireland to Washington, D.C. flight deals. Data was last updated 26 November 2025.

Round-trip from

£532
American Airlines
  • American Airlines
  • 22/1-26/1
  • 2 total stops
  • 25h 10m total
  • Northern Ireland to Washington, D.C.
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Find flight deals from Northern Ireland to Washington, D.C.

Enter your travel dates to find the best prices.

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 26 November 2025.

Wed 10/1219:25BHD - DCA
2 stops32h 34mMultiple Airlines
Mon 15/1217:24DCA - BHD
2 stops17h 41mMultiple Airlines
Deal found 24/11£584
Wed 10/1218:50BHD - IAD
2 stops25h 45mBritish Airways
Mon 15/1214:16IAD - BHD
2 stops15h 24mBritish Airways
Deal found 24/11£587
Wed 10/1206:30BFS - BWI
2 stops17h 10mMultiple Airlines
Mon 15/1219:40BWI - BFS
2 stops17h 15mMultiple Airlines
Deal found 24/11£625
Wed 10/1206:30BFS - IAD
2 stops17h 00mMultiple Airlines
Mon 15/1219:40IAD - BFS
2 stops17h 15mMultiple Airlines
Deal found 24/11£686
Wed 10/1212:25BHD - BWI
1 stop11h 20mAmerican Airlines
Mon 15/1214:46BWI - BHD
2 stops14h 54mAmerican Airlines
Deal found 24/11£692
Wed 10/1217:20BHD - IAD
3 stops30h 10mMultiple Airlines
Mon 15/1219:40IAD - BHD
3 stops20h 20mMultiple Airlines
Deal found 24/11£771
Wed 10/1210:10BHD - BWI
2 stops13h 30mMultiple Airlines
Mon 15/1210:40BWI - BHD
2 stops21h 55mMultiple Airlines
Deal found 24/11£1,079

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 26 November 2025.
Use the filters below to find and compare flights from Northern Ireland to Washington, D.C. that are best for you.

Fly from

Northern Ireland

Fly to

Washington, D.C.

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 22/1

11:05-19:55

1 stop13h 50m

Washington, D.C. Dulles Intl

Mon 26/1

18:20-10:40

1 stop11h 20m

£532

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 22/1

11:05-19:55

1 stop13h 50m

Washington, D.C. Dulles Intl

Sun 25/1

11:34-13:55

2 stops21h 21m

£532

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 22/1

06:35-17:47

2 stops16h 12m

Washington, D.C. Reagan-National

Mon 26/1

18:34-14:15

2 stops14h 41m

£536

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 10/12

19:25-22:59

2 stops32h 34m

Washington, D.C. Reagan-National

Mon 15/12

17:24-16:05

2 stops17h 41m

£584

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 10/12

18:50-15:35

2 stops25h 45m

Washington, D.C. Dulles Intl

Mon 15/12

14:16-10:40

2 stops15h 24m

£587

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Thu 8/1

06:30-18:40

2 stops17h 10m

Baltimore/Washington

Thu 15/1

19:40-22:20

2 stops21h 40m

£596

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Wed 10/12

06:30-18:40

2 stops17h 10m

Baltimore/Washington

Mon 15/12

19:40-17:55

2 stops17h 15m

£625

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Fri 9/1

19:45-15:35

2 stops24h 50m

Washington, D.C. Dulles Intl

Fri 16/1

17:05-15:10

2 stops17h 05m

£644

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Thu 8/1

18:35-21:00

3 stops31h 25m

Washington, D.C. Dulles Intl

Thu 15/1

17:30-23:45

3 stops25h 15m

£656

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Thu 29/1

10:40-18:45

1 stop13h 05m

Baltimore/Washington

Mon 2/2

06:00-10:40

2 stops23h 40m

£666

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 15 results
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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?

Find hourly flight availability from Northern Ireland to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 November 2025.

When flying from Northern Ireland to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 36% versus a flight in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    There are many flights that can get you from Northern Ireland to Washington, D.C. in 13h 50m. Fly via American Airlines to get the fastest option. Airlines will cover a distance of 3390 mi.

  • 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.

See more FAQs

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
Alexandria
College Park

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

See prices for flight routes from nearby airports that may be better suited for you.
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Cardiff to Dulles Intl flights
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Inverness to Reagan-National flights
Inverness to Dulles Intl flights
Grimsby to Dulles Intl flights
Southampton to Reagan-National flights
Leeds to Reagan-National flights
Cardiff to Reagan-National flights
Norwich to Reagan-National flights
Grimsby to Reagan-National flights
Exeter to Dulles Intl flights
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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