What are the cheapest airlines to fly from Washington, D.C. to Northern Ireland one-way?

To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $389. KLM flights start at $416 while deals on Delta start at $421 one-way.

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Northern Ireland (average of $657). Flying from Washington, D.C. 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.

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

When deciding which route to take from Washington, D.C. to Northern Ireland consider Washington, D.C. Dulles Intl - Belfast Intl, Washington, D.C. Dulles Intl - Belfast City or Washington, D.C. Reagan-National - Belfast Intl as they are the most popular.

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

October can be a great time to fly to Northern Ireland from Washington, D.C. with a flight ticket averaging about $756. Cheapflights users have found deals in the month of October for as cheap as $578. The most expensive prices can be found in the month of June.

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

When flying from Washington, D.C. to Northern Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 vacation 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.

$276+ Flights from Washington, D.C. to Northern Ireland

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

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

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 November 21, 2024.

Fri 11/228:30 pmBWI - BHD

1 stop17h 45mBritish Airways

Mon 11/256:35 amBHD - BWI

1 stop17h 10mBritish Airways

Deal found 11/20

$781

Sun 12/297:30 pmBWI - BHD

2 stops16h 40mMultiple Airlines

Wed 1/87:25 amBHD - BWI

3 stops21h 16mMultiple Airlines

Deal found 11/20

$1,397

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 layovers in mind to ensure you get the best travel experience. Data last updated November 21, 2024.

Thu 1/99:55 pmIAD - BHD

1 stop11h 05mAmerican Airlines

Mon 1/1311:30 amBHD - IAD

1 stop13h 15mAmerican Airlines

Deal found 11/20

$630

Fri 2/146:00 pmIAD - BHD

1 stop11h 30mBritish Airways

Sat 2/229:10 amBHD - IAD

1 stop11h 25mBritish Airways

Deal found 11/19

$632

Mon 1/207:30 pmBWI - BHD

2 stops20h 00mMultiple Airlines

Sat 1/257:20 amBHD - BWI

2 stops16h 10mMultiple Airlines

Deal found 11/20

$643

Thu 1/95:35 pmIAD - BHD

1 stop18h 15mDelta

Mon 1/136:30 amBHD - IAD

2 stops21h 46mDelta

Deal found 11/21

$676

Sat 3/156:10 pmIAD - BHD

2 stops16h 05mAer Lingus

Sat 3/223:05 pmBHD - IAD

2 stops33h 10mAer Lingus

Deal found 11/20

$814

Fri 5/165:25 pmIAD - BHD

1 stop18h 25mKLM

Fri 5/236:30 amBHD - IAD

2 stops16h 52mKLM

Deal found 11/20

$962

Mon 1/204:58 pmIAD - BHD

2 stops18h 52mVirgin Atlantic

Sat 1/256:30 amBHD - IAD

2 stops22h 48mVirgin Atlantic

Deal found 11/20

$1,013

Fri 1/248:30 pmBWI - BHD

1 stop12h 45mAmerican Airlines

Sat 2/86:30 amBHD - BWI

1 stop17h 15mAmerican Airlines

Deal found 11/20

$630

Thu 1/98:30 pmBWI - BHD

1 stop12h 30mBritish Airways

Mon 1/139:10 amBHD - BWI

1 stop14h 35mBritish Airways

Deal found 11/21

$633

Thu 1/96:05 pmDCA - BHD

2 stops14h 55mAmerican Airlines

Mon 1/136:35 amBHD - DCA

2 stops14h 52mAmerican Airlines

Deal found 11/21

$645

Fri 5/166:50 pmIAD - BHD

2 stops20h 55mMultiple Airlines

Fri 5/238:20 amBHD - IAD

2 stops14h 20mMultiple Airlines

Deal found 11/20

$821

Sun 1/56:55 amBWI - BFS

3 stops32h 40mMultiple Airlines

Sun 1/1210:10 pmBFS - BWI

2 stops23h 50mMultiple Airlines

Deal found 11/21

$959

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 November 21, 2024 and is based on user searches.

Fri 11/228:30 pmBWI - BHD

1 stop17h 45mBritish Airways

Mon 11/256:35 amBHD - BWI

1 stop17h 10mBritish Airways

Deal found 11/20

$781

Sun 12/297:30 pmBWI - BHD

2 stops16h 40mMultiple Airlines

Wed 1/87:25 amBHD - BWI

3 stops21h 16mMultiple Airlines

Deal found 11/20

$1,397

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 November 21, 2024.

Tue 12/37:30 pmBWI - BFS

2 stops30h 45mMultiple Airlines

Deal found 11/21

$276

Sun 12/16:10 pmIAD - BFS

2 stops34h 40mMultiple Airlines

Deal found 11/21

$283

Mon 12/26:10 pmIAD - BHD

2 stops37h 40mMultiple Airlines

Deal found 11/21

$306

Wed 11/279:55 pmIAD - BHD

1 stop11h 20mBritish Airways

Deal found 11/21

$389

Wed 11/274:40 pmDCA - BHD

2 stops12h 25mBritish Airways

Deal found 11/21

$394

Sat 11/305:35 pmIAD - BHD

1 stop18h 15mKLM

Deal found 11/21

$416

Fri 11/295:04 pmIAD - BHD

2 stops18h 46mDelta

Deal found 11/21

$421

Fri 11/296:40 pmDCA - BHD

2 stops17h 10mKLM

Deal found 11/21

$421

Tue 12/34:00 pmDCA - BFS

3 stops16h 20mMultiple Airlines

Deal found 11/21

$470

Sat 11/3012:56 pmDCA - BHD

2 stops17h 14mIberia

Deal found 11/21

$689

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

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Fri 1/24

8:30 pm-2:15 pm

1 stop12h 45m

Belfast City

Sat 2/8

6:30 am-6:45 pm

1 stop17h 15m

$630

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sat 3/15

10:55 pm-2:15 pm

1 stop11h 20m

Belfast City

Sat 3/22

11:15 am-8:45 pm

1 stop13h 30m

$631

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 1/9

6:00 pm-10:20 am

1 stop11h 20m

Belfast City

Mon 1/13

6:35 am-3:35 pm

1 stop14h 00m

$633

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Thu 1/9

8:30 pm-2:00 pm

1 stop12h 30m

Belfast City

Mon 1/13

9:10 am-6:45 pm

1 stop14h 35m

$633

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Mon 1/20

7:30 pm-8:30 pm

2 stops20h 00m

Belfast City

Sat 1/25

7:20 am-6:30 pm

2 stops16h 10m

$643

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Thu 1/9

6:05 pm-2:00 pm

2 stops14h 55m

Belfast City

Mon 1/13

6:35 am-4:27 pm

2 stops14h 52m

$645

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 1/9

5:35 pm-4:50 pm

1 stop18h 15m

Belfast City

Mon 1/13

6:30 am-11:16 pm

2 stops21h 46m

$676

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 1/9

5:10 pm-1:35 pm

2 stops15h 25m

Belfast City

Mon 1/13

7:30 pm-3:40 pm

2 stops25h 10m

$845

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Sun 1/5

6:55 am-8:35 pm

3 stops32h 40m

Belfast Intl

Sun 1/12

10:10 pm-5:00 pm

2 stops23h 50m

$959

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sun 1/5

2:00 pm-9:50 pm

2 stops26h 50m

Belfast Intl

Sun 1/12

7:55 am-12:15 pm

2 stops33h 20m

$1,279

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 22 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 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 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 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

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

Read through reviews of airlines operating flights from Washington, D.C. to Northern Ireland, such as American Airlines and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,755 reviews

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

8,755 reviews

Delta

8.0

Very good

8,755 reviews

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

8,755 reviews

Reviews

1 / 10

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

Virgin Atlantic

7.5

Good

663 reviews

Delta

8.0

Very good

8,755 reviews

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

8,755 reviews

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

1,089 reviews

Delta

8.0

Very good

8,755 reviews

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 cheapest airlines to fly from Washington, D.C. to Northern Ireland one-way?
To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $389. KLM flights start at $416 while deals on Delta start at $421 one-way.
What are the most popular routes from Washington, D.C. to Northern Ireland?
When deciding which route to take from Washington, D.C. to Northern Ireland consider Washington, D.C. Dulles Intl - Belfast Intl, Washington, D.C. Dulles Intl - Belfast City or Washington, D.C. Reagan-National - Belfast Intl as they are the most popular.
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 vacation 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, February is the cheapest month in which you can book a flight from Washington, D.C. to Northern Ireland (average of $657). Flying from Washington, D.C. 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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

Dulles Intl to Heathrow flights

Reagan-National to Heathrow flights

Dulles Intl to Gatwick flights

Dulles Intl to London City flights

Reagan-National to Gatwick flights

Dulles Intl to Stansted flights

Dulles Intl to Luton flights

Reagan-National to London City flights

Dulles Intl to Edinburgh flights

Dulles Intl to Manchester flights

Reagan-National to Edinburgh flights

Reagan-National to Manchester flights

Dulles Intl to Glasgow Intl flights

Reagan-National to Glasgow Intl flights

Dulles Intl to Birmingham flights

Reagan-National to Birmingham flights

Dulles Intl to Southampton flights

Dulles Intl to Inverness flights

Reagan-National to Inverness flights

Dulles Intl to Aberdeen flights

Dulles Intl to Belfast Intl flights

Dulles Intl to Belfast City flights

Dulles Intl to Liverpool flights

Dulles Intl to Leeds flights

Dulles Intl to Newcastle upon Tyne flights

Dulles Intl to Bristol flights

Reagan-National to Belfast Intl flights

Reagan-National to Luton flights

Reagan-National to Leeds flights

Reagan-National to Belfast City flights

Reagan-National to Aberdeen flights

Reagan-National to Bristol flights

Reagan-National to Stansted flights

Dulles Intl to Cardiff flights

Reagan-National to Southampton flights

Reagan-National to Newcastle upon Tyne flights

Reagan-National to Liverpool flights

Reagan-National to Cardiff flights

Dulles Intl to Kirkwall flights

Dulles Intl to East Midlands flights

Dulles Intl to Southend flights

Dulles Intl to Stornoway flights

Dulles Intl to Exeter flights

Reagan-National to Sumburgh/Shetland flights

Top 2 airlines flying from Washington, D.C. to Northern Ireland

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$557	Average$837	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$614	Average$893	FlexibilityNo cancel fee	On-time71%

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$276+ Cheap flights from Washington, D.C. (WAS) 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Northern Ireland with Cheapflights

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2. Select your favorite providers

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

Find 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 November 21, 2024.

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 November 21, 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

Read through reviews of airlines operating flights from Washington, D.C. to Northern Ireland, such as American Airlines and British Airways. Reviews also offer insight into each airline's 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 cheapest airlines to fly from Washington, D.C. to Northern Ireland one-way?

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.

Top 2 airlines flying from Washington, D.C. to Northern Ireland

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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 November 21, 2024.