What is the cheapest month to book a flight from Washington, D.C. to Northern Ireland?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Northern Ireland (average of £67). Flying from Washington, D.C. to Northern Ireland in August is currently the most expensive (average of £90). 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.

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

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

What is the cheapest month to fly from Washington, D.C. to Northern Ireland?

Flights from Washington, D.C. to Northern Ireland lean towards being more expensive in July. Prices are generally better when you fly from Washington, D.C. to Northern Ireland in October, with the cheapest ticket starting at £455.

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.

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.

£508+ Flights from Washington, D.C. to Northern Ireland

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

Round-trip from	£508

4/3-9/3
4 total stops
49h 30m total
Washington, D.C. to Northern Ireland

Search Deals

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

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 18 December 2024.

Tue 4/317:30IAD - BFS

2 stops18h 30mMultiple Airlines

Sun 9/311:00BFS - IAD

2 stops31h 00mMultiple Airlines

Deal found 17/12£508

Fri 17/118:00IAD - BHD

1 stop11h 30mBritish Airways

Tue 21/119:25BHD - IAD

1 stop25h 10mBritish Airways

Deal found 16/12£510

Tue 4/318:00IAD - BHD

1 stop11h 30mIberia

Sun 9/309:10BHD - IAD

1 stop11h 25mIberia

Deal found 17/12£512

Tue 21/121:55IAD - BHD

1 stop13h 50mAmerican Airlines

Mon 27/109:10BHD - IAD

1 stop11h 25mAmerican Airlines

Deal found 16/12£513

Thu 16/117:16IAD - BHD

2 stops18h 34mDelta

Mon 20/106:30BHD - IAD

1 stop14h 15mDelta

Deal found 16/12£544

Sun 13/422:50IAD - BHD

1 stop10h 45mAer Lingus

Sat 19/406:40BHD - IAD

2 stops14h 10mAer Lingus

Deal found 18/12£820

Sat 18/119:30DCA - BHD

2 stops16h 20mKLM

Tue 21/106:30BHD - DCA

2 stops15h 50mKLM

Deal found 16/12£946

Thu 9/120:30BWI - BHD

1 stop12h 30mBritish Airways

Mon 13/111:30BHD - BWI

1 stop12h 15mBritish Airways

Deal found 18/12£513

Tue 4/320:09BWI - BHD

2 stops15h 36mAmerican Airlines

Sun 9/309:10BHD - BWI

1 stop14h 35mAmerican Airlines

Deal found 17/12£516

Fri 17/117:35IAD - BHD

1 stop18h 15mMultiple Airlines

Wed 22/106:30BHD - IAD

1 stop14h 15mMultiple Airlines

Deal found 16/12£540

Fri 10/115:30BWI - BHD

2 stops20h 20mDelta

Mon 13/106:30BHD - BWI

2 stops17h 48mDelta

Deal found 16/12£552

Tue 4/316:10DCA - BHD

2 stops13h 20mBritish Airways

Sun 9/306:30BHD - DCA

2 stops16h 24mBritish Airways

Deal found 17/12£516

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 18 December 2024 and is based on user searches.

Wed 8/117:00DCA - BHD

2 stops18h 50mDelta

Mon 13/106:30BHD - DCA

2 stops21h 53mDelta

Deal found 16/12£552

Thu 9/120:30BWI - BHD

1 stop12h 30mBritish Airways

Mon 13/111:30BHD - BWI

1 stop12h 15mBritish Airways

Deal found 18/12£513

Thu 9/114:54DCA - BHD

2 stops18h 06mBritish Airways

Mon 13/111:30BHD - DCA

2 stops16h 11mBritish Airways

Deal found 16/12£517

Thu 9/118:05DCA - BHD

2 stops14h 55mAmerican Airlines

Mon 13/106:35BHD - DCA

2 stops16h 24mAmerican Airlines

Deal found 18/12£524

Fri 10/115:30BWI - BHD

2 stops20h 20mDelta

Mon 13/106:30BHD - BWI

2 stops17h 48mDelta

Deal found 16/12£552

Tue 14/119:30BWI - BFS

2 stops17h 25mMultiple Airlines

Mon 20/122:25BFS - BWI

3 stops47h 35mMultiple Airlines

Deal found 16/12£580

Tue 14/119:40IAD - BFS

2 stops17h 15mMultiple Airlines

Mon 20/122:25BFS - IAD

3 stops25h 00mMultiple Airlines

Deal found 16/12£597

Thu 16/117:16IAD - BHD

2 stops18h 34mDelta

Mon 20/106:30BHD - IAD

1 stop14h 15mDelta

Deal found 16/12£544

Fri 17/118:00IAD - BHD

1 stop11h 30mBritish Airways

Tue 21/119:25BHD - IAD

1 stop25h 10mBritish Airways

Deal found 16/12£510

Fri 17/117:35IAD - BHD

1 stop18h 15mMultiple Airlines

Wed 22/106:30BHD - IAD

1 stop14h 15mMultiple Airlines

Deal found 16/12£540

Tue 21/121:55IAD - BHD

1 stop13h 50mAmerican Airlines

Mon 27/109:10BHD - IAD

1 stop11h 25mAmerican Airlines

Deal found 16/12£513

Tue 21/117:26BWI - BHD

2 stops15h 09mAmerican Airlines

Mon 27/106:35BHD - BWI

1 stop17h 10mAmerican Airlines

Deal found 16/12£517

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Tue 4/3

17:30-17:00

2 stops18h 30m

Belfast Intl

Sun 9/3

11:00-14:00

2 stops31h 00m

£508

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 17/1

18:00-10:30

1 stop11h 30m

Belfast City

Tue 21/1

19:25-15:35

1 stop25h 10m

£510

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 4/3

18:00-10:30

1 stop11h 30m

Belfast City

Sun 9/3

09:10-16:35

1 stop11h 25m

£512

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Thu 9/1

20:30-14:00

1 stop12h 30m

Belfast City

Mon 13/1

11:30-18:45

1 stop12h 15m

£513

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 21/1

21:55-16:45

1 stop13h 50m

Belfast City

Mon 27/1

09:10-15:35

1 stop11h 25m

£513

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Tue 4/3

20:09-16:45

2 stops15h 36m

Belfast City

Sun 9/3

09:10-19:45

1 stop14h 35m

£516

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 4/3

16:10-10:30

2 stops13h 20m

Belfast City

Sun 9/3

06:30-17:54

2 stops16h 24m

£516

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Thu 9/1

18:05-14:00

2 stops14h 55m

Belfast City

Mon 13/1

06:35-17:59

2 stops16h 24m

£524

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 17/1

17:35-16:50

1 stop18h 15m

Belfast City

Wed 22/1

06:30-15:45

1 stop14h 15m

£540

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 16/1

17:16-16:50

2 stops18h 34m

Belfast City

Mon 20/1

06:30-15:45

1 stop14h 15m

£544

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 16 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.

Travel insights for flights from Washington, D.C. to Northern Ireland

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

Rainfall in Northern Ireland by month

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.

Temperature in Northern Ireland 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 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).

Reviews of airlines servicing Northern Ireland

To help decide which airline to fly from Washington, D.C. to Northern Ireland, see what other customers have to say about British Airways, American Airlines and Delta. 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

8,604 reviews

Check prices

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

8,604 reviews

Delta

8.0

Very Good

8,604 reviews

Check prices

Reviews

1 / 10

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

KLM

7.8

Good

1,349 reviews

Delta

8.0

Very Good

8,604 reviews

Check prices

Reviews

1 / 10

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

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

8,604 reviews

Check prices

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

1,073 reviews

Delta

8.0

Very Good

8,604 reviews

Check prices

Reviews

1 / 10

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

Iberia

7.0

Good

2,656 reviews

Delta

8.0

Very Good

8,604 reviews

Check prices

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

What are the most popular routes from Washington, D.C. to Northern Ireland?
While some choose either Baltimore/Washington - Belfast Intl or Washington, D.C. Dulles Intl - Belfast City, Washington, D.C. Dulles Intl - 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.
What is the cheapest month to book a flight from Washington, D.C. to Northern Ireland?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Northern Ireland (average of £67). Flying from Washington, D.C. to Northern Ireland in August is currently the most expensive (average of £90). 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

Browse thousands of different options on Cheapflights for your next trip

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

Direct flights to United Kingdom

Fly with Cheapflights

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

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Washington, D.C. to Northern Ireland from £508

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/3. 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

Round-trip from

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

Best flights from Washington, D.C. to Northern IrelandDiscover 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 18 December 2024.

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 18 December 2024.

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

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.

Travel insights for flights from Washington, D.C. to Northern Ireland

Get recent, data-driven insights about flights from Washington, D.C. 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.

Temperature in Northern Ireland by month

Plan your trip to Northern Ireland by taking into account the average temperature totals by month.

Reviews of airlines servicing Northern Ireland

To help decide which airline to fly from Washington, D.C. to Northern Ireland, see what other customers have to say about British Airways, American Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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?

What is the cheapest month to book a flight from Washington, D.C. to Northern Ireland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

100% Free

Book with Flexibility

Travel Smart

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 18 December 2024.