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Cheap flights from Northern Ireland to Washington, D.C. from £454

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — WAS
22 Jan — 29 Jan1
1 adult

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

Discover tips and strategies to find the most affordable flight options for your journey from Northern Ireland (GBNIR) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 January 2025.

Round-trip from

£454
12/2-18/2
  • 12/2-18/2
  • 4 total stops
  • 38h 05m total
  • Northern Ireland to Washington, D.C.
Search Deals

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 17 January 2025.

Wed 12/206:30BFS - IAD
2 stops16h 55mMultiple Airlines
Tue 18/219:40IAD - BFS
2 stops21h 10mMultiple Airlines
Deal found 17/1£454
Wed 22/106:00BFS - BWI
2 stops16h 00mMultiple Airlines
Wed 29/118:10BWI - BFS
2 stops34h 00mMultiple Airlines
Deal found 17/1£512
Mon 3/206:30BHD - IAD
1 stop14h 15mDelta
Mon 10/212:05IAD - BHD
2 stops23h 45mDelta
Deal found 16/1£585
Mon 3/206:30BHD - DCA
2 stops15h 40mDelta
Mon 10/214:25DCA - BHD
2 stops21h 25mDelta
Deal found 16/1£589
Mon 3/206:30BHD - BWI
2 stops15h 13mDelta
Mon 10/215:30BWI - BHD
2 stops20h 20mDelta
Deal found 16/1£589
Mon 3/206:35BHD - BWI
1 stop17h 10mAmerican Airlines
Mon 10/213:48BWI - BHD
2 stops15h 42mAmerican Airlines
Deal found 16/1£706
Wed 22/115:25BHD - IAD
2 stops29h 15mAer Lingus
Wed 29/117:10IAD - BHD
2 stops14h 25mAer Lingus
Deal found 17/1£727
Wed 22/119:25BHD - BWI
1 stop28h 20mAer Lingus
Wed 29/120:30BWI - BHD
1 stop12h 45mAer Lingus
Deal found 17/1£898
Wed 22/115:25BHD - BWI
3 stops32h 05mMultiple Airlines
Wed 29/108:00BWI - BHD
3 stops30h 30mMultiple Airlines
Deal found 17/1£910
Wed 22/113:25BHD - IAD
3 stops34h 00mMultiple Airlines
Wed 29/119:40IAD - BHD
2 stops18h 50mMultiple Airlines
Deal found 17/1£912
Wed 22/111:30BHD - IAD
1 stop13h 15mBritish Airways
Wed 29/118:00IAD - BHD
1 stop11h 05mBritish Airways
Deal found 17/1£1,002
Wed 22/106:35BHD - IAD
1 stop18h 10mFinnair
Wed 29/121:55IAD - BHD
1 stop13h 40mFinnair
Deal found 17/1£1,015

Find flights from Northern Ireland to Washington, D.C. within your budget

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 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Wed 12/2

06:30-18:25

2 stops16h 55m

Washington, D.C. Dulles Intl

Tue 18/2

19:40-21:50

2 stops21h 10m

£454

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Wed 12/2

07:40-17:00

2 stops14h 20m

Baltimore/Washington

Tue 18/2

19:30-19:55

2 stops19h 25m

£534

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Mon 3/2

06:30-15:45

1 stop14h 15m

Washington, D.C. Dulles Intl

Mon 10/2

12:05-16:50

2 stops23h 45m

£585

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Mon 3/2

06:30-17:10

2 stops15h 40m

Washington, D.C. Reagan-National

Mon 10/2

14:25-16:50

2 stops21h 25m

£589

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Mon 3/2

06:30-16:43

2 stops15h 13m

Baltimore/Washington

Mon 10/2

15:30-16:50

2 stops20h 20m

£589

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Mon 3/2

06:35-18:45

1 stop17h 10m

Baltimore/Washington

Mon 10/2

13:48-10:30

2 stops15h 42m

£706

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sat 10/5

07:05-20:15

1 stop18h 10m

Washington, D.C. Dulles Intl

Sat 17/5

22:45-15:05

1 stop11h 20m

£1,090

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sat 10/5

06:30-11:51

2 stops34h 21m

Washington, D.C. Dulles Intl

Sat 17/5

15:00-16:55

2 stops20h 55m

£1,504

Flights are sorted by cheapest return flights first.

Deals found on 17/1

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.

Travel insights for flights from Northern Ireland to Washington, D.C.

Get recent, data-driven insights about flights from Northern Ireland to Washington, D.C. including ideal travel times, pricing trends, and more.

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 17 January 2025.

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

Plan your trip to Washington, D.C. by taking into account the average rainfall totals 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

Plan your trip to Washington, D.C. by taking into account the average temperature totals 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.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated 17 January 2025.
Read reviews from past customers who have flown American Airlines, Delta and Finnair from Northern Ireland to Washington, D.C.. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,513 reviews
Check prices

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very Good
8,513 reviews
Delta
8.0
Very Good
8,513 reviews
Check prices

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic
7.5
Good
664 reviews
Delta
8.0
Very Good
8,513 reviews
Check prices

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
8,513 reviews
Check prices

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

British Airways
6.6
Okay
6,824 reviews
Delta
8.0
Very Good
8,513 reviews
Check prices

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 City - Baltimore/Washington 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, February is the cheapest month in which you can book a flight from Northern Ireland to Washington, D.C. (average of £565). Flying from Northern Ireland to Washington, D.C. in July is currently the most expensive (average of £946). 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

Travelling to a place near Northern Ireland?

Book flights to Northern Ireland if you plan to visit one of these locations
Silver Spring
Arlington
Woodbridge
College Park
Laurel
Tysons

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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.
Heathrow to Dulles Intl flights
Heathrow to Reagan-National flights
London City to Dulles Intl flights
Gatwick to Dulles Intl flights
Luton to Dulles Intl flights
Gatwick to Reagan-National flights
Stansted to Dulles Intl flights
Edinburgh to Dulles Intl flights
Manchester to Dulles Intl flights
Belfast Intl to Dulles Intl flights
London City to Reagan-National flights
Belfast City to Dulles Intl flights
Manchester to Reagan-National flights
Birmingham to Dulles Intl flights
Belfast City to Reagan-National flights
Leeds to Dulles Intl flights
Glasgow Intl to Dulles Intl flights
Southampton to Dulles Intl flights
Aberdeen to Dulles Intl flights
Edinburgh to Reagan-National flights
Leeds to Reagan-National flights
Bristol to Dulles Intl flights
Bristol to Reagan-National flights
Newcastle upon Tyne to Dulles Intl flights
Birmingham to Reagan-National flights
Glasgow Intl to Reagan-National flights
Newcastle upon Tyne to Reagan-National flights
Cardiff to Dulles Intl flights
Cardiff to Reagan-National flights
Exeter to Dulles Intl flights
Grimsby to Dulles Intl flights
Southampton to Reagan-National flights
Grimsby to Reagan-National flights
Aberdeen to Reagan-National flights
Southend to Dulles Intl flights
Inverness to Reagan-National flights
Norwich to Dulles Intl flights
Norwich to Reagan-National flights
Inverness to Dulles Intl flights
Doncaster to Dulles Intl flights

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

Discover the top airline that operate flights from Northern Ireland to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£746Average£780FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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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