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$462+ Cheap flights from Dulles Intl (IAD) to Northern Ireland

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BFS
janv. 21 — janv. 281
mar. 1/21
mar. 1/28
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 janvier 16, 2025.

Round-trip from

$629
(Mytrip)
From Washington, D.C. Dulles Intl to Northern Ireland
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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 janvier 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 1/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/295:50 pmIAD - BHD
1 stop10h 10mBritish Airways
mar. 5/131:40 pmBHD - IAD
1 stop11h 30mBritish Airways
Deal found 1/15$611
This Mytrip deal was found by Cheapflights users on 1/16. 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.
lun. 1/277:40 pmIAD - BFS
2 stops20h 25mMultiple Airlines
ven. 1/316:30 amBFS - IAD
2 stops16h 55mMultiple Airlines
Deal found 1/16$629
This Mytrip deal was found by Cheapflights users on 1/16. 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.
lun. 1/277:40 pmIAD - BHD
2 stops19h 50mMultiple Airlines
ven. 1/317:25 amBHD - IAD
2 stops16h 00mMultiple Airlines
Deal found 1/16$667
This KLM deal was found by Cheapflights users on 1/15. 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.
mar. 4/296:55 pmIAD - BHD
2 stops17h 00mKLM
mer. 5/145:25 pmBHD - IAD
1 stop27h 10mKLM
Deal found 1/15$670
This Delta deal was found by Cheapflights users on 1/15. 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.
lun. 4/286:55 pmIAD - BHD
2 stops17h 00mDelta
lun. 5/126:30 amBHD - IAD
1 stop14h 05mDelta
Deal found 1/15$695
This Travelocity deal was found by Cheapflights users on 1/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 3/15:10 pmIAD - BHD
2 stops15h 05mAer Lingus
sam. 3/86:30 amBHD - IAD
2 stops14h 10mAer Lingus
Deal found 1/15$858
This oojo deal was found by Cheapflights users on 1/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 4/125:50 pmIAD - BHD
1 stop11h 20mIberia
sam. 4/194:15 pmBHD - IAD
1 stop33h 00mIberia
Deal found 1/16$911
This American Airlines deal was found by Cheapflights users on 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 7/3010:40 pmIAD - BHD
1 stop11h 55mAmerican Airlines
sam. 8/167:05 amBHD - IAD
2 stops17h 29mAmerican Airlines
Deal found 1/16$1,008

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 janvier 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

mar. 4/29

5:50 pm-9:00 am

1 stop10h 10m

Belfast City

mar. 5/13

1:40 pm-8:10 pm

1 stop11h 30m

$611

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

lun. 1/27

7:40 pm-9:05 pm

2 stops20h 25m

Belfast Intl

ven. 1/31

6:30 am-6:25 pm

2 stops16h 55m

$629

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

lun. 1/27

7:40 pm-8:30 pm

2 stops19h 50m

Belfast City

ven. 1/31

7:25 am-6:25 pm

2 stops16h 00m

$667

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

mar. 4/29

6:55 pm-4:55 pm

2 stops17h 00m

Belfast City

lun. 5/12

5:25 pm-3:35 pm

1 stop27h 10m

$670

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

lun. 4/28

6:55 pm-4:55 pm

2 stops17h 00m

Belfast City

lun. 5/12

6:30 am-3:35 pm

1 stop14h 05m

$695

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

sam. 3/1

5:10 pm-1:15 pm

2 stops15h 05m

Belfast City

sam. 3/8

6:30 am-3:40 pm

2 stops14h 10m

$858

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

sam. 4/12

5:50 pm-10:10 am

1 stop11h 20m

Belfast City

sam. 4/19

4:15 pm-8:15 pm

1 stop33h 00m

$911

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

mer. 5/14

10:20 pm-10:00 pm

2 stops18h 40m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

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 janvier 16, 2025.
KLM
7.8
Good
1,339 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,339 reviews
KLM
7.8
Good
1,339 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Aer Lingus
7.1
Good
1,075 reviews
KLM
7.8
Good
1,339 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Iberia
7.0
Good
2,640 reviews
KLM
7.8
Good
1,339 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

British Airways
6.6
Okay
6,823 reviews
KLM
7.8
Good
1,339 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.2

Food

7.3

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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.

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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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Baltimore to Belfast City flights
Reagan-National to Aberdeen flights
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Reagan-National to Leeds flights
Reagan-National to Liverpool flights

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 janvier 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$557Average$824FlexibilityNo cancel feeOn-time70%
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