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Cheap flights from Northern Ireland to Washington, D.C. Dulles Intl Airport from £331

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — IAD
20 nov — 27 nov1
1 adult

Cheap flight deals from Northern Ireland to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Northern Ireland (GBNIR) to Dulles Intl (IAD). 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 15 november 2024.

Find flight deals from Northern Ireland to Dulles Intl

Cheapest flights from Northern Ireland to Dulles Intl
Explore the most affordable flight options available from Northern Ireland to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 november 2024.

mån 2/1217:20BHD - IAD
1 stop27h 25mKLM
mån 9/1217:35IAD - BHD
1 stop22h 25mKLM
Deal found 14/11£726
mån 2/1222:25BFS - IAD
2 stops46h 15mMultiple Airlines
mån 9/1221:55IAD - BFS
1 stop13h 20mMultiple Airlines
Deal found 14/11£828
mån 2/1207:25BHD - IAD
3 stops42h 54mMultiple Airlines
mån 9/1219:40IAD - BHD
2 stops12h 30mMultiple Airlines
Deal found 14/11£890
mån 2/1218:50BHD - IAD
2 stops29h 55mAer Lingus
mån 9/1220:45IAD - BHD
2 stops15h 35mAer Lingus
Deal found 14/11£893
fre 22/1106:30BHD - IAD
2 stops21h 52mDelta
sön 1/1217:35IAD - BHD
1 stop22h 25mDelta
Deal found 15/11£972

Find flights from Northern Ireland to Dulles Intl within your budget

Customise your flight search to find flights from Northern Ireland to Dulles Intl 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 943,810 searches. Data last updated 15 november 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

mån 2/12

17:20-15:45

1 stop27h 25m

Washington, D.C. Dulles Intl

mån 9/12

17:35-21:00

1 stop22h 25m

£726

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

mån 2/12

22:25-15:40

2 stops46h 15m

Washington, D.C. Dulles Intl

mån 9/12

21:55-16:15

1 stop13h 20m

£828

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

mån 2/12

07:25-21:19

3 stops42h 54m

Washington, D.C. Dulles Intl

mån 9/12

19:40-13:10

2 stops12h 30m

£890

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

mån 2/12

18:50-19:45

2 stops29h 55m

Washington, D.C. Dulles Intl

mån 9/12

20:45-17:20

2 stops15h 35m

£893

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

tis 8/4

20:50-17:40

2 stops25h 50m

£331

Flights are sorted by cheapest first

Deals found on 14/11

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

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

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

What is the cheapest time of day to fly from NIR to IAD?

Find hourly flight availability from Northern Ireland to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 november 2024.

When flying from Northern Ireland to Washington, D.C. Dulles Intl Airport, 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 Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated 15 november 2024.
KLM
7.8
Good
1,350 reviews
Check prices

Entertainment

7.2

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.9

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

KLM
7.8
Good
1,350 reviews
KLM
7.8
Good
1,350 reviews
Check prices

Entertainment

7.2

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.9

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Aer Lingus
7.1
Good
1,085 reviews
KLM
7.8
Good
1,350 reviews
Check prices

Entertainment

7.2

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.9

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Dulles Intl. 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 Northern Ireland to Dulles Intl that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Northern Ireland to Dulles Intl 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. Dulles Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Washington, D.C. Dulles Intl Airport (average of £606). Flying from Northern Ireland to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £898). 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 Northern Ireland to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Northern Ireland to Dulles Intl

Discover the top airline that operate flights from Northern Ireland to Dulles Intl. 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 943,810 searches. Data last updated 15 november 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£719Average£753FlexibilityNo 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 Dulles Intl?

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Can Cheapflights find flights from Northern Ireland to Dulles Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Northern Ireland to Dulles Intl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Northern Ireland to Dulles Intl become cheaper?

Yes, Cheapflights offers price alerts on Northern Ireland to Dulles Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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