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Washington, D.C.

$688+ Cheap flights from Northern Ireland to Washington, D.C. (WAS)

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — WAS
ene. 21 — ene. 281
mar. 1/21
mar. 1/28
1 adult, Economy
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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 enero 16, 2025.

Round-trip from

$688
(TravelUp)
From Northern Ireland to Washington, D.C. (WAS)
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 enero 16, 2025.

This TravelUp 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/36:30 amBHD - IAD
1 stop14h 15mKLM
lun. 2/105:35 pmIAD - BHD
1 stop18h 15mKLM
Deal found 1/15$688
This TravelUp 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/36:30 amBHD - DCA
2 stops15h 29mKLM
lun. 2/107:32 pmDCA - BHD
2 stops16h 18mKLM
Deal found 1/15$704
This Virgin Atlantic deal was found by Cheapflights users on 1/14. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/36:30 amBHD - IAD
1 stop14h 15mVirgin Atlantic
lun. 2/1012:29 pmIAD - BHD
2 stops23h 21mVirgin Atlantic
Deal found 1/14$712
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/36:30 amBHD - IAD
1 stop14h 15mDelta
lun. 2/1012:29 pmIAD - BHD
2 stops23h 21mDelta
Deal found 1/16$715
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.
mié. 1/226:30 amBHD - DCA
2 stops18h 30mDelta
mié. 1/295:55 pmDCA - BHD
2 stops17h 55mDelta
Deal found 1/15$719
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/36:30 amBHD - BWI
2 stops15h 13mDelta
lun. 2/1012:41 pmBWI - BHD
2 stops23h 09mDelta
Deal found 1/16$721
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/38:15 amBFS - IAD
2 stops15h 10mMultiple Airlines
lun. 2/107:40 pmIAD - BFS
2 stops16h 20mMultiple Airlines
Deal found 1/15$734
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.
lun. 2/36:35 amBHD - BWI
1 stop17h 10mAmerican Airlines
lun. 2/101:48 pmBWI - BHD
2 stops15h 42mAmerican Airlines
Deal found 1/16$863
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/35:20 pmBHD - IAD
3 stops30h 05mMultiple Airlines
lun. 2/107:40 pmIAD - BHD
3 stops20h 20mMultiple Airlines
Deal found 1/15$876
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/226:35 amBHD - IAD
1 stop14h 00mFinnair
mié. 1/299:55 pmIAD - BHD
1 stop13h 40mFinnair
Deal found 1/16$1,242
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/226:35 amBHD - BWI
1 stop17h 10mMultiple Airlines
mié. 1/298:30 pmBWI - BHD
1 stop12h 45mMultiple Airlines
Deal found 1/16$1,243
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/226:35 amBHD - BWI
1 stop17h 10mFinnair
mié. 1/298:30 pmBWI - BHD
1 stop15h 05mFinnair
Deal found 1/16$1,250

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

Customize 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 2,558,603 searches. Data last updated enero 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

lun. 2/3

6:30 am-3:45 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

lun. 2/10

5:35 pm-4:50 pm

1 stop18h 15m

$688

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

lun. 2/3

6:30 am-4:59 pm

2 stops15h 29m

Washington, D.C. Reagan-National

lun. 2/10

7:32 pm-4:50 pm

2 stops16h 18m

$704

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

lun. 2/3

6:30 am-3:45 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

lun. 2/10

12:29 pm-4:50 pm

2 stops23h 21m

$712

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

lun. 2/3

6:30 am-5:10 pm

2 stops15h 40m

Washington, D.C. Reagan-National

lun. 2/10

2:25 pm-4:50 pm

2 stops21h 25m

$719

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

lun. 2/3

6:30 am-6:56 pm

2 stops17h 26m

Washington, D.C. Dulles Intl

lun. 2/10

12:05 pm-4:50 pm

2 stops23h 45m

$719

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

lun. 2/3

6:30 am-4:43 pm

2 stops15h 13m

Baltimore/Washington

lun. 2/10

12:41 pm-4:50 pm

2 stops23h 09m

$721

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

lun. 2/3

8:15 am-6:25 pm

2 stops15h 10m

Washington, D.C. Dulles Intl

lun. 2/10

7:40 pm-5:00 pm

2 stops16h 20m

$734

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

lun. 2/3

6:35 am-6:45 pm

1 stop17h 10m

Baltimore/Washington

lun. 2/10

1:48 pm-10:30 am

2 stops15h 42m

$863

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

lun. 2/3

5:20 pm-6:25 pm

3 stops30h 05m

Washington, D.C. Dulles Intl

lun. 2/10

7:40 pm-9:00 pm

3 stops20h 20m

$876

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

sáb. 5/10

7:05 am-8:15 pm

1 stop18h 10m

Washington, D.C. Dulles Intl

sáb. 5/17

10:45 pm-3:05 pm

1 stop11h 20m

$1,332

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 11 results
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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 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 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.

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 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 enero 16, 2025.
Peruse reviews from past customers who have flown with American Airlines, Delta and British Airways from Northern Ireland to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

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
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,339 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

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
8,511 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

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
8,511 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

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
6,823 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

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.?

    The most popular route from Northern Ireland to Washington, D.C. is Belfast Intl - Washington, D.C. Dulles Intl. You may also consider Belfast Intl - Baltimore/Washington or Belfast City - Washington, D.C. Dulles Intl.

  • 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 vacation 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, August is the cheapest month in which you can book a flight from Northern Ireland to Washington, D.C. (average of $241). Flying from Northern Ireland to Washington, D.C. in March is currently the most expensive (average of $290). 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

Traveling to a place near Northern Ireland?

Book flights to Northern Ireland if you plan to visit one of these locations
Fairfax
Arlington
Alexandria
Springfield
Silver Spring
Rockville
Tysons
Gaithersburg
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Greenbelt
Easton
Oxon Hill
Herndon
Woodbridge
Bowie
Reston
National Harbor

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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
Manchester to Dulles Intl flights
Edinburgh to Dulles Intl flights
Manchester to Reagan-National flights
London City to Reagan-National flights
Southampton to Dulles Intl flights
Belfast City to Dulles Intl flights
Edinburgh to Reagan-National flights
Birmingham to Dulles Intl flights
Glasgow Intl to Dulles Intl flights
Bristol to Dulles Intl flights
Leeds to Dulles Intl flights
Birmingham to Reagan-National flights
Glasgow Intl to Reagan-National flights
Newcastle upon Tyne to Dulles Intl flights
Newcastle upon Tyne to Reagan-National flights
Cardiff to Dulles Intl flights
Exeter to Dulles Intl flights
Norwich to Dulles Intl flights
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