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Cheap flights from Washington, D.C. Dulles Intl Airport to Northern Ireland from £402

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BFS
27 Jan — 3 Feb1
1 adult

Cheap flight deals from Dulles Intl to Northern Ireland

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Northern Ireland (GBNIR). 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 22 January 2025.

Round-trip from

£499

One-way from

£402
British Airways
  • British Airways
  • 8/4-1/5
  • 2 total stops
  • 28h 05m total
  • Washington, D.C. to Northern Ireland
Search Deals
19/7
  • 19/7
  • 3 total stops
  • 19h 40m total
  • Washington, D.C. to Northern Ireland
Search Deals

Find flight deals from Dulles Intl to Northern Ireland

Cheapest flights from Dulles Intl to Northern Ireland
Explore the most affordable flight options available from Dulles Intl to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2025.

Tue 8/422:40IAD - BHD
1 stop13h 50mBritish Airways
Thu 1/506:35BHD - IAD
1 stop14h 15mBritish Airways
Deal found 20/1£499
Wed 19/219:30IAD - BHD
2 stops16h 05mAmerican Airlines
Tue 25/208:40BHD - IAD
1 stop11h 55mAmerican Airlines
Deal found 21/1£504
Wed 19/217:35IAD - BHD
1 stop18h 15mKLM
Tue 25/206:30BHD - IAD
1 stop14h 15mKLM
Deal found 21/1£529
Thu 6/319:40IAD - BFS
2 stops21h 40mMultiple Airlines
Thu 13/306:30BFS - IAD
2 stops16h 55mMultiple Airlines
Deal found 20/1£616
Sun 16/315:55IAD - BHD
3 stops24h 55mMultiple Airlines
Sun 23/307:00BHD - IAD
2 stops18h 05mMultiple Airlines
Deal found 21/1£665
Tue 8/417:22IAD - BHD
2 stops22h 43mVirgin Atlantic
Thu 1/506:30BHD - IAD
2 stops22h 39mVirgin Atlantic
Deal found 20/1£725
Wed 13/819:05IAD - BHD
2 stops16h 50mDelta
Sat 23/806:30BHD - IAD
2 stops21h 59mDelta
Deal found 21/1£747

Find flights from Dulles Intl to Northern Ireland within your budget

Customise your flight search to find flights from Dulles Intl to Northern Ireland 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 22 January 2025.

Fly from

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Fly to

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Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 8/4

22:40-17:30

1 stop13h 50m

Belfast City

Thu 1/5

06:35-15:50

1 stop14h 15m

£499

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 19/2

19:30-16:35

2 stops16h 05m

Belfast City

Tue 25/2

08:40-15:35

1 stop11h 55m

£504

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 19/2

17:35-16:50

1 stop18h 15m

Belfast City

Tue 25/2

06:30-15:45

1 stop14h 15m

£529

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Thu 6/3

19:40-22:20

2 stops21h 40m

Belfast Intl

Thu 13/3

06:30-19:25

2 stops16h 55m

£616

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 16/3

15:55-20:50

3 stops24h 55m

Belfast City

Sun 23/3

07:00-21:05

2 stops18h 05m

£665

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 8/4

17:22-21:05

2 stops22h 43m

Belfast City

Thu 1/5

06:30-00:09

2 stops22h 39m

£725

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 1/6

19:50-21:15

2 stops20h 25m

Belfast City

Tue 10/6

06:30-15:35

1 stop14h 05m

£772

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sat 19/7

22:20-23:00

3 stops19h 40m

£402

Flights are sorted by cheapest return flights first.

Deals found on 19/1

Best time to book a flight from Dulles Intl to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Dulles Intl 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 Dulles Intl to Northern Ireland

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

Rainfall in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.

Temperature in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Northern Ireland, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. 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 Northern Ireland. Reviews last updated 22 January 2025.
Delta
8.0
Very Good
8,521 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very Good
8,521 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
665 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways
6.6
Okay
6,834 reviews
Delta
8.0
Very Good
8,521 reviews
Check prices

Boarding

8.2

Crew

8.6

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

  • Can I find deals for flights from Dulles Intl to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Northern Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Northern Ireland.

  • Can I find deals for business class flights from Dulles Intl to Northern Ireland?

    Yes. Cheapflights offers flight deals from Dulles Intl to Northern Ireland 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 Washington, D.C. Dulles Intl Airport to Northern Ireland?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Northern Ireland (average of £67). Flying from Washington, D.C. Dulles Intl Airport to Northern Ireland in July is currently the most expensive (average of £90). 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

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Alternative routes for Dulles Intl to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Baltimore to Manchester flights
Reagan-National to Manchester flights
Baltimore to London City flights
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Dulles Intl to Aberdeen flights
Baltimore to Birmingham flights
Dulles Intl to Newcastle upon Tyne flights
Reagan-National to Stansted flights
Baltimore to Newcastle upon Tyne flights
Dulles Intl to Leeds flights
Dulles Intl to Liverpool flights
Baltimore to Southampton flights
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Baltimore to Bristol flights

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

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