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$653+ Cheap flights from Dulles Intl (IAD) to Northern Ireland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BFS
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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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 December 22, 2024.

Round-trip from

$653
(British Airways)
From Washington, D.C. Dulles Intl to Northern Ireland
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Find flight deals from Dulles Intl to Northern Ireland

Best flights from Dulles Intl to Northern Ireland
Discover carefully curated flight deals from Dulles Intl to Northern Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 22, 2024.

This British Airways deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/96:00 pmIAD - BHD
1 stop11h 20mBritish Airways
Mon 1/139:10 amBHD - IAD
1 stop15h 35mBritish Airways
Deal found 12/21$653
This Mytrip deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/47:40 pmIAD - BFS
2 stops19h 30mMultiple Airlines
Tue 2/117:10 amBFS - IAD
2 stops16h 15mMultiple Airlines
Deal found 12/21$673
This Delta deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/95:35 pmIAD - BHD
1 stop18h 15mDelta
Mon 1/136:30 amBHD - IAD
2 stops17h 27mDelta
Deal found 12/21$696
This Ovago deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1310:50 pmIAD - BHD
1 stop10h 45mAer Lingus
Sat 4/196:40 amBHD - IAD
2 stops14h 10mAer Lingus
Deal found 12/21$1,031
This KLM deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/175:25 pmIAD - BHD
1 stop22h 40mKLM
Thu 6/266:30 amBHD - IAD
1 stop14h 05mKLM
Deal found 12/21$4,160
This Kiwi.com deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1712:35 pmIAD - BHD
2 stops15h 45mMultiple Airlines
Thu 6/269:35 amBHD - IAD
1 stop15h 35mMultiple Airlines
Deal found 12/21$3,667

Find flights from Dulles Intl to Northern Ireland within your budget

Customize 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 2,558,603 searches. Data last updated December 22, 2024.

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Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 1/9

6:00 pm-10:20 am

1 stop11h 20m

Belfast City

Mon 1/13

9:10 am-7:45 pm

1 stop15h 35m

$653

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Tue 2/4

7:40 pm-8:10 pm

2 stops19h 30m

Belfast Intl

Tue 2/11

7:10 am-6:25 pm

2 stops16h 15m

$673

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 1/9

5:35 pm-4:50 pm

1 stop18h 15m

Belfast City

Mon 1/13

6:30 am-6:57 pm

2 stops17h 27m

$696

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 4/13

10:50 pm-2:35 pm

1 stop10h 45m

Belfast City

Sat 4/19

6:40 am-3:50 pm

2 stops14h 10m

$1,031

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 6/17

12:35 pm-9:20 am

2 stops15h 45m

Belfast City

Thu 6/26

9:35 am-8:10 pm

1 stop15h 35m

$3,667

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 6/17

5:25 pm-9:05 pm

1 stop22h 40m

Belfast City

Thu 6/26

6:30 am-3:35 pm

1 stop14h 05m

$4,160

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

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 round-trip 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 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Northern Ireland when rainfall is around 2.0 in.

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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 December 22, 2024.
Delta
8.0
Very good
8,594 reviews

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

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
8,594 reviews
Delta
8.0
Very good
8,594 reviews

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

KLM
7.8
Good
1,342 reviews
Delta
8.0
Very good
8,594 reviews

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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

Aer Lingus
7.1
Good
1,075 reviews
Delta
8.0
Very good
8,594 reviews

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

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
6,815 reviews
Delta
8.0
Very good
8,594 reviews

Food

7.3

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.9

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.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Northern Ireland?

    Most travelers choose Washington, D.C. Dulles Intl - Belfast Intl, Washington, D.C. Dulles Intl - Belfast City or Washington, D.C. Dulles Intl - Campbeltown Machrihanish when deciding on the best route from Washington, D.C. Dulles Intl Airport to Northern Ireland.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Northern Ireland (average of $657). Flying from Washington, D.C. Dulles Intl Airport to Northern Ireland in June is currently the most expensive (average of $1,189). 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.
Dulles Intl to Heathrow flights
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Dulles Intl to Inverness flights
Reagan-National to Luton flights
Baltimore to Liverpool flights
Reagan-National to Stansted flights
Dulles Intl to Aberdeen flights
Baltimore to Aberdeen flights
Reagan-National to Inverness flights
Baltimore to Bristol flights
Reagan-National to Aberdeen flights
Baltimore to Inverness flights
Dulles Intl to Bristol flights
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Top airline flying from Dulles Intl to Northern Ireland

Discover the top airline that operate flights from Dulles Intl to Northern Ireland. 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 2,558,603 searches. Data last updated December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$557Average$810FlexibilityNo cancel feeOn-time70%
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