How long is the flight from Washington, D.C. to Northern Ireland?

Departing from Washington, D.C. to Northern Ireland will take you 9h 50m. The distance between Washington, D.C. and Northern Ireland is about 3390 mi. Both multi-stop and direct flights can be found to your destination and back.

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.

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).

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

While some choose either Washington, D.C. Dulles Intl - Belfast Intl or Washington, D.C. Reagan-National - Belfast Intl, Baltimore/Washington - Belfast Intl is the most popular route from Washington, D.C. to Northern Ireland.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Northern Ireland as you normally would.

How can I find direct flights from Washington, D.C. to Northern Ireland?

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

Can I find deals for business class flights from Washington, D.C. to Northern Ireland?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

£238+ Flights from Washington, D.C. to Northern Ireland

Cheap flight deals from Washington, D.C. to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Washington, D.C. to Northern Ireland
Explore the most affordable flight options available from Washington, D.C. to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 December 2025.

Tue 30/1221:45IAD - BHD

1 stop12h 05mBritish Airways

Mon 5/109:15BHD - IAD

1 stop15h 40mBritish Airways

Deal found 28/12£964

Tue 30/1220:35BWI - BHD

1 stop9h 55mBritish Airways

Mon 5/117:45BHD - BWI

2 stops32h 33mBritish Airways

Deal found 28/12£971

Tue 30/1218:26DCA - BHD

2 stops15h 24mBritish Airways

Mon 5/119:25BHD - DCA

2 stops31h 05mBritish Airways

Deal found 28/12£988

Tue 30/1221:00IAD - BHD

2 stops15h 25mMultiple Airlines

Mon 5/106:55BHD - IAD

2 stops18h 00mMultiple Airlines

Deal found 28/12£1,006

Wed 31/1220:35BWI - BHD

1 stop12h 40mBritish Airways

Sun 4/120:25BHD - BWI

2 stops25h 37mBritish Airways

Deal found 29/12£1,021

Tue 30/1220:35BWI - BHD

1 stop13h 15mBritish Airways

Sun 4/120:25BHD - BWI

2 stops25h 37mBritish Airways

Deal found 29/12£1,023

Mon 29/1220:15BWI - BHD

2 stops14h 50mBritish Airways

Sat 3/106:35BHD - BWI

2 stops22h 08mBritish Airways

Deal found 27/12£1,091

Sat 27/1217:05IAD - BHD

2 stops11h 45mBritish Airways

Wed 31/1211:25BHD - IAD

2 stops15h 25mBritish Airways

Deal found 27/12£1,113

Tue 30/1219:40BWI - BHD

2 stops16h 10mMultiple Airlines

Mon 5/117:45BHD - BWI

3 stops35h 04mMultiple Airlines

Deal found 28/12£1,185

Sat 27/1220:46DCA - BHD

2 stops30h 39mBritish Airways

Wed 31/1212:25BHD - DCA

2 stops16h 34mBritish Airways

Deal found 27/12£1,192

Mon 29/1219:50DCA - BHD

2 stops15h 15mBritish Airways

Sat 3/109:15BHD - DCA

2 stops16h 27mBritish Airways

Deal found 27/12£1,237

Tue 30/1216:10DCA - BHD

3 stops20h 25mMultiple Airlines

Mon 5/117:45BHD - DCA

3 stops33h 50mMultiple Airlines

Deal found 27/12£1,253

Best flights from Washington, D.C. to Northern Ireland
Discover carefully curated flight deals from Washington, D.C. to Northern Ireland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 December 2025.

Mon 27/420:30IAD - BFS

2 stops20h 30mMultiple Airlines

Wed 6/507:00BFS - IAD

2 stops20h 30mMultiple Airlines

Deal found 28/12£437

Wed 28/118:20IAD - BHD

1 stop9h 50mBritish Airways

Wed 4/212:25BHD - IAD

1 stop12h 30mBritish Airways

Deal found 27/12£461

Wed 28/113:08IAD - BHD

2 stops16h 07mAmerican Airlines

Wed 18/311:25BHD - IAD

2 stops16h 34mAmerican Airlines

Deal found 27/12£488

Thu 5/312:24IAD - BHD

2 stops23h 26mDelta

Thu 12/306:30BHD - IAD

1 stop14h 35mDelta

Deal found 27/12£498

Wed 28/119:30IAD - BHD

2 stops16h 20mKLM

Wed 18/317:20BHD - IAD

1 stop27h 45mKLM

Deal found 27/12£498

Mon 27/420:30IAD - BHD

2 stops19h 00mMultiple Airlines

Wed 6/507:00BHD - IAD

2 stops20h 30mMultiple Airlines

Deal found 28/12£455

Thu 29/118:20IAD - BHD

1 stop11h 00mBritish Airways

Wed 4/212:25BHD - IAD

1 stop12h 30mBritish Airways

Deal found 27/12£461

Mon 26/114:46BWI - BHD

2 stops14h 54mAmerican Airlines

Mon 2/211:30BHD - BWI

2 stops16h 51mAmerican Airlines

Deal found 28/12£488

Mon 16/322:45IAD - BHD

1 stop13h 20mBritish Airways

Sun 22/320:25BHD - IAD

1 stop24h 10mBritish Airways

Deal found 28/12£461

Mon 27/418:59BWI - BHD

2 stops16h 56mDelta

Wed 6/509:50BHD - BWI

2 stops18h 36mDelta

Deal found 28/12£516

Tue 17/318:37BWI - BHD

2 stops18h 08mAmerican Airlines

Thu 26/310:40BHD - BWI

2 stops17h 18mAmerican Airlines

Deal found 26/12£488

Mon 26/119:40BWI - BFS

2 stops19h 30mMultiple Airlines

Mon 2/206:30BFS - BWI

2 stops17h 10mMultiple Airlines

Deal found 28/12£490

Tue 17/322:45IAD - BHD

1 stop12h 05mBritish Airways

Thu 26/306:35BHD - IAD

1 stop14h 00mBritish Airways

Deal found 26/12£461

Tue 17/321:35BWI - BHD

1 stop9h 55mBritish Airways

Thu 26/306:35BHD - BWI

1 stop17h 10mBritish Airways

Deal found 26/12£461

Mon 26/119:40IAD - BFS

2 stops19h 30mMultiple Airlines

Mon 2/206:30BFS - IAD

2 stops17h 00mMultiple Airlines

Deal found 28/12£509

Thu 29/120:35BWI - BHD

1 stop18h 55mBritish Airways

Wed 4/212:25BHD - BWI

1 stop11h 20mBritish Airways

Deal found 27/12£467

Tue 10/219:40IAD - BFS

2 stops12h 05mMultiple Airlines

Tue 17/209:25BFS - IAD

3 stops40h 35mMultiple Airlines

Deal found 27/12£518

Mon 27/422:25IAD - BHD

1 stop12h 15mBritish Airways

Wed 6/506:50BHD - IAD

1 stop14h 00mBritish Airways

Deal found 28/12£472

Wed 28/115:30DCA - BHD

2 stops13h 45mBritish Airways

Wed 4/211:25BHD - DCA

2 stops15h 38mBritish Airways

Deal found 27/12£478

Mon 26/116:15DCA - BHD

3 stops23h 35mMultiple Airlines

Mon 2/207:00BHD - DCA

3 stops17h 59mMultiple Airlines

Deal found 28/12£582

Mon 16/313:30DCA - BHD

2 stops15h 35mBritish Airways

Sun 22/315:10BHD - DCA

2 stops22h 50mBritish Airways

Deal found 27/12£478

Tue 10/218:50DCA - BFS

3 stops20h 25mMultiple Airlines

Tue 17/206:30BFS - DCA

3 stops31h 25mMultiple Airlines

Deal found 27/12£588

Thu 29/115:30DCA - BHD

2 stops13h 50mBritish Airways

Wed 4/211:25BHD - DCA

2 stops15h 38mBritish Airways

Deal found 27/12£478

Tue 10/219:40BWI - BFS

2 stops12h 05mMultiple Airlines

Tue 17/208:35BFS - BWI

2 stops15h 05mMultiple Airlines

Deal found 27/12£628

Wed 28/113:35DCA - BHD

2 stops14h 35mBritish Airways

Wed 18/309:15BHD - DCA

2 stops15h 33mBritish Airways

Deal found 27/12£478

Tue 17/322:30DCA - BHD

2 stops30h 40mBritish Airways

Thu 26/309:05BHD - DCA

2 stops16h 25mBritish Airways

Deal found 26/12£478

Mon 26/117:55DCA - BHD

2 stops15h 20mBritish Airways

Mon 2/211:30BHD - DCA

2 stops15h 33mBritish Airways

Deal found 28/12£478

Wed 4/321:45IAD - BHD

1 stop13h 50mBritish Airways

Sun 8/317:35BHD - IAD

1 stop27h 00mBritish Airways

Deal found 26/12£479

Mon 27/417:30DCA - BHD

2 stops17h 10mBritish Airways

Wed 6/510:00BHD - DCA

2 stops17h 17mBritish Airways

Deal found 28/12£509

Wed 28/120:35BWI - BHD

1 stop12h 40mBritish Airways

Wed 18/306:35BHD - BWI

1 stop17h 10mBritish Airways

Deal found 27/12£518

Last-minute flights from Washington, D.C. to Northern Ireland
Discover last-minute flight deals from Washington, D.C. to Northern Ireland. Data last updated 29 December 2025 and is based on user searches.

Mon 26/114:46BWI - BHD

2 stops18h 29mAmerican Airlines

Mon 2/211:30BHD - BWI

2 stops16h 51mAmerican Airlines

Deal found 27/12£488

Mon 26/119:40BWI - BFS

2 stops19h 30mMultiple Airlines

Mon 2/206:30BFS - BWI

2 stops17h 10mMultiple Airlines

Deal found 28/12£490

Mon 26/119:30IAD - BHD

2 stops16h 20mKLM

Mon 2/217:20BHD - IAD

2 stops28h 26mKLM

Deal found 28/12£506

Mon 26/119:40IAD - BFS

2 stops19h 30mMultiple Airlines

Mon 2/206:30BFS - IAD

2 stops17h 00mMultiple Airlines

Deal found 28/12£509

Mon 26/111:13BWI - BHD

2 stops18h 27mBritish Airways

Mon 2/217:45BHD - BWI

1 stop30h 00mBritish Airways

Deal found 28/12£533

Mon 26/111:30BWI - BHD

2 stops21h 05mMultiple Airlines

Mon 2/210:15BHD - BWI

3 stops29h 12mMultiple Airlines

Deal found 28/12£563

Wed 28/118:20IAD - BHD

1 stop9h 50mBritish Airways

Wed 4/212:25BHD - IAD

1 stop12h 30mBritish Airways

Deal found 27/12£461

Wed 28/115:30DCA - BHD

2 stops13h 45mBritish Airways

Wed 4/211:25BHD - DCA

2 stops15h 38mBritish Airways

Deal found 27/12£478

Wed 28/113:08IAD - BHD

2 stops16h 07mAmerican Airlines

Wed 18/311:25BHD - IAD

2 stops16h 34mAmerican Airlines

Deal found 27/12£488

Wed 28/119:30IAD - BHD

2 stops16h 20mKLM

Wed 18/317:20BHD - IAD

1 stop27h 45mKLM

Deal found 27/12£498

Wed 28/120:35BWI - BHD

1 stop12h 40mBritish Airways

Wed 4/206:35BHD - BWI

1 stop17h 10mBritish Airways

Deal found 27/12£518

Thu 29/120:35BWI - BHD

1 stop18h 55mBritish Airways

Wed 4/212:25BHD - BWI

1 stop11h 20mBritish Airways

Deal found 27/12£467

One-way flights from Washington, D.C. to Northern Ireland
Search for one-way flight options from Washington, D.C. to Northern Ireland. Find affordable one-way fares based on user searches. Data last updated 29 December 2025.

Wed 28/119:40IAD - BFS

2 stops18h 40mMultiple Airlines

Deal found 27/12£238

Wed 28/119:40IAD - BHD

2 stops13h 45mMultiple Airlines

Deal found 27/12£247

Mon 25/519:15IAD - BHD

1 stop12h 40mBritish Airways

Deal found 27/12£294

Mon 25/521:30BWI - BHD

1 stop10h 25mBritish Airways

Deal found 27/12£294

Wed 28/121:45IAD - BHD

1 stop13h 50mBritish Airways

Deal found 27/12£309

Wed 28/120:35BWI - BHD

1 stop12h 40mBritish Airways

Deal found 27/12£314

Mon 25/517:20IAD - BFS

2 stops33h 45mMultiple Airlines

Deal found 27/12£318

Sun 11/108:01DCA - BFS

3 stops42h 54mMultiple Airlines

Deal found 28/12£318

Wed 28/113:35DCA - BHD

2 stops15h 40mBritish Airways

Deal found 27/12£321

Mon 25/511:35IAD - BHD

2 stops21h 00mMultiple Airlines

Deal found 27/12£324

Mon 25/511:00DCA - BHD

2 stops17h 20mDelta

Deal found 27/12£325

Mon 25/520:30BWI - BFS

3 stops19h 25mMultiple Airlines

Deal found 27/12£348

Find flight deals from Washington, D.C. to Northern Ireland

Round-trip from	£437
One-way from	£238

27/4-6/5
4 total stops
41h 00m total
Washington, D.C. to Northern Ireland

Search Deals

28/1
2 total stops
18h 40m total
Washington, D.C. to Northern Ireland

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Mon 27/4

20:30-22:00

2 stops20h 30m

Belfast Intl

Wed 6/5

07:00-22:30

2 stops20h 30m

£437

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 27/4

20:30-20:30

2 stops19h 00m

Belfast City

Wed 6/5

07:00-22:30

2 stops20h 30m

£455

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 28/1

18:20-09:10

1 stop9h 50m

Belfast City

Wed 4/2

12:25-19:55

1 stop12h 30m

£461

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 29/1

18:20-10:20

1 stop11h 00m

Belfast City

Wed 4/2

12:25-19:55

1 stop12h 30m

£461

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 16/3

22:45-16:05

1 stop13h 20m

Belfast City

Sun 22/3

20:25-16:35

1 stop24h 10m

£461

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 17/3

22:45-14:50

1 stop12h 05m

Belfast City

Thu 26/3

06:35-16:35

1 stop14h 00m

£461

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Tue 17/3

21:35-11:30

1 stop9h 55m

Belfast City

Thu 26/3

06:35-19:45

1 stop17h 10m

£461

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Thu 29/1

20:35-20:30

1 stop18h 55m

Belfast City

Wed 4/2

12:25-18:45

1 stop11h 20m

£467

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 27/4

22:25-15:40

1 stop12h 15m

Belfast City

Wed 6/5

06:50-15:50

1 stop14h 00m

£472

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 28/1

15:30-10:15

2 stops13h 45m

Belfast City

Wed 4/2

11:25-22:03

2 stops15h 38m

£478

Flights are sorted by cheapest return flights first.

Deals found on 27/12

Showing 1-10 of 48 results

...

Best time to book a flight from Washington, D.C. to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Washington, D.C. 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Northern Ireland

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Washington, D.C. to Northern Ireland?
Departing from Washington, D.C. to Northern Ireland will take you 9h 50m. The distance between Washington, D.C. and Northern Ireland is about 3390 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from Washington, D.C. to Northern Ireland?
While some choose either Washington, D.C. Dulles Intl - Belfast Intl or Washington, D.C. Reagan-National - Belfast Intl, Baltimore/Washington - Belfast Intl is the most popular route from Washington, D.C. to Northern Ireland.
Can I find deals for flights from Washington, D.C. to Northern Ireland that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Northern Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Northern Ireland.
Can I find deals for business class flights from Washington, D.C. to Northern Ireland?
Yes. Cheapflights offers flight deals from Washington, D.C. 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.

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Washington, D.C. to Northern Ireland. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Northern Ireland?

Millions of users choose and trust Cheapflights to book the best flight deals from Washington, D.C. to Northern Ireland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Washington, D.C. to Northern Ireland with no change fees?

Yes, we can. To see specific flights from Washington, D.C. to Northern Ireland with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Northern Ireland become cheaper?

Of course! You can now track prices for flights from Washington, D.C. to Northern Ireland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Washington, D.C. to Northern Ireland from £238

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Washington, D.C. to Northern Ireland

Cheapest flights from Washington, D.C. to Northern IrelandExplore the most affordable flight options available from Washington, D.C. to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 December 2025.

Explore the most affordable flight options available from Washington, D.C. to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 December 2025.

Find flight deals from Washington, D.C. to Northern Ireland

Keep the following information in mind while searching for Washington, D.C. to Northern Ireland flight deals. Data was last updated 29 December 2025.

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Northern Ireland that are best for you.

Best time to book a flight from Washington, D.C. to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Northern Ireland

Related info for your journey

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

How long is the flight from Washington, D.C. to Northern Ireland?

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

Can I find deals for flights from Washington, D.C. to Northern Ireland that include hotel bookings?

How can I find direct flights from Washington, D.C. to Northern Ireland?

Can I find deals for business class flights from Washington, D.C. to Northern Ireland?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.

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How does Cheapflights help users find flights from Washington, D.C. to Northern Ireland?

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Northern Ireland?

Can Cheapflights find flights from Washington, D.C. to Northern Ireland with no change fees?

Can Cheapflights notify me if prices for flights from Washington, D.C. to Northern Ireland become cheaper?

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Cheapest flights from Washington, D.C. to Northern Ireland
Explore the most affordable flight options available from Washington, D.C. to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 December 2025.