What is the cheapest airline that flies from Northern Ireland to Washington, D.C.?

British Airways and KLM are the most popular carriers operating from Northern Ireland to Washington, D.C.

How old do you have to be to fly from Northern Ireland to Washington, D.C.?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$447 Cheap Flights from Northern Ireland to Washington, D.C. in 2026

Find the cheapest flights from Northern Ireland to Washington, D.C.

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:20 am - 10:15 pmBFS Belfast Intl-BWI Baltimore/Washington

18h 55m2 stops London Gatwick Reykjavik Keflavik Intl

11:20 pm - 9:05 pmBWI Baltimore/Washington-BFS Belfast Intl

16h 45m2 stops Reykjavik Keflavik Intl London Gatwick

$747Multiple Airlines

Tue, Sep 29 - Tue, Oct 6

6:40 am - 7:25 pmBFS Belfast Intl-BWI Baltimore/Washington

41h 45m3 stops London Stansted Milan Malpensa Reykjavik Keflavik Intl

8:30 pm - 3:15 pmBWI Baltimore/Washington-BFS Belfast Intl

13h 45m2 stops Reykjavik Keflavik Intl Manchester

$812Multiple Airlines

Tue, Sep 29 - Tue, Oct 6

2:20 pm - 11:10 pmBHD Belfast City-DCA Washington, D.C. Reagan-National

13h 50m2 stops London Heathrow New York John F Kennedy Intl

1:39 pm - 10:10 amDCA Washington, D.C. Reagan-National-BHD Belfast City

15h 31m2 stops Chicago O'Hare Intl London Heathrow

$887British Airways

Thu, Sep 17 - Thu, Oct 1

5:30 pm - 3:35 pmBHD Belfast City-IAD Washington, D.C. Dulles Intl

27h 05m1 stop Amsterdam Schiphol

5:30 pm - 9:20 amIAD Washington, D.C. Dulles Intl-BHD Belfast City

10h 50m1 stop Amsterdam Schiphol

$893KLM

Thu, Sep 17 - Thu, Oct 1

9:50 am - 3:35 pmBHD Belfast City-IAD Washington, D.C. Dulles Intl

10h 45m1 stop Amsterdam Schiphol

11:10 am - 9:20 amIAD Washington, D.C. Dulles Intl-BHD Belfast City

17h 10m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

$911Delta

Thu, Sep 17 - Thu, Oct 1

9:50 am - 3:35 pmBHD Belfast City-IAD Washington, D.C. Dulles Intl

10h 45m1 stop Amsterdam Schiphol

12:26 pm - 9:20 amIAD Washington, D.C. Dulles Intl-BHD Belfast City

15h 54m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

$915KLM

Thu, Sep 17 - Wed, Sep 30

9:50 am - 10:31 pmBHD Belfast City-BWI Baltimore/Washington

17h 41m2 stops Amsterdam Schiphol Boston Logan Intl

1:55 pm - 4:55 pmBWI Baltimore/Washington-BHD Belfast City

22h 00m2 stops Boston Logan Intl Amsterdam Schiphol

$916Delta

Fri, Sep 18 - Fri, Oct 2

9:50 am - 10:03 pmBHD Belfast City-DCA Washington, D.C. Reagan-National

17h 13m2 stops Amsterdam Schiphol Boston Logan Intl

12:55 pm - 9:20 amDCA Washington, D.C. Reagan-National-BHD Belfast City

15h 25m2 stops Boston Logan Intl Amsterdam Schiphol

$916KLM

Fri, Sep 18 - Wed, Sep 30

9:50 am - 11:14 pmBHD Belfast City-IAD Washington, D.C. Dulles Intl

18h 24m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

11:10 am - 9:20 amIAD Washington, D.C. Dulles Intl-BHD Belfast City

17h 10m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol

$916Delta

Thu, Sep 17 - Thu, Oct 1

9:50 am - 8:14 pmBHD Belfast City-IAD Washington, D.C. Dulles Intl

15h 24m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

5:30 pm - 9:20 amIAD Washington, D.C. Dulles Intl-BHD Belfast City

10h 50m1 stop Amsterdam Schiphol

$920KLM

Wed, Sep 16 - Thu, Oct 1

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British Airways flights from Northern Ireland to Washington, D.C.

Our best British Airways deals on Northern Ireland to Washington, D.C. flight tickets

British Airways

Sep 17

BHD2:20 pmBelfast City

13h 50m

2 stops

DCA11:10 pmWashington, D.C. Reagan-National

Oct 1

DCA1:39 pmWashington, D.C. Reagan-National

15h 31m

2 stops

BHD10:10 amBelfast City

$887

British Airways

Sep 30

BHD8:35 pmBelfast City

27h 15m

2 stops

IAD6:50 pmWashington, D.C. Dulles Intl

Oct 4

IAD5:45 pmWashington, D.C. Dulles Intl

11h 45m

1 stop

BHD10:30 amBelfast City

$928

British Airways

Sep 30

BHD8:35 pmBelfast City

27h 15m

2 stops

IAD6:50 pmWashington, D.C. Dulles Intl

Oct 4

IAD5:45 pmWashington, D.C. Dulles Intl

11h 45m

1 stop

BHD10:30 amBelfast City

$931

KLM flights from Northern Ireland to Washington, D.C.

Our best KLM deals on Northern Ireland to Washington, D.C. flight tickets

KLM

Sep 17

BHD5:30 pmBelfast City

27h 05m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

Oct 1

IAD5:30 pmWashington, D.C. Dulles Intl

10h 50m

1 stop

BHD9:20 amBelfast City

$893

KLM

Sep 17

BHD9:50 amBelfast City

10h 45m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

Oct 2

IAD6:26 pmWashington, D.C. Dulles Intl

17h 29m

2 stops

BHD4:55 pmBelfast City

$911

KLM

Sep 17

BHD9:50 amBelfast City

10h 45m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

Sep 30

IAD12:26 pmWashington, D.C. Dulles Intl

15h 54m

2 stops

BHD9:20 amBelfast City

$915

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastBaltimore

BFS Belfast Intl - BWI Baltimore/Washington

BFSBWI

Belfast Intl

Tue 9/29

8:20 am-10:15 pm

2 stops18h 55m

Baltimore/Washington

Tue 10/6

11:20 pm-9:05 pm

2 stops16h 45m

$747

BelfastBaltimore

BFS Belfast Intl - BWI Baltimore/Washington

BFSBWI

Belfast Intl

Tue 9/29

6:40 am-7:25 pm

3 stops41h 45m

Baltimore/Washington

Tue 10/6

8:30 pm-3:15 pm

2 stops13h 45m

$812

BelfastWashington, D.C.

BHD Belfast City - DCA Washington, D.C. Reagan-National

BHDDCA

Belfast City

Thu 9/17

2:20 pm-11:10 pm

2 stops13h 50m

Washington, D.C. Reagan-National

Thu 10/1

1:39 pm-10:10 am

2 stops15h 31m

$887

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 9/17

5:30 pm-3:35 pm

1 stop27h 05m

Washington, D.C. Dulles Intl

Thu 10/1

5:30 pm-9:20 am

1 stop10h 50m

$893

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 9/17

9:50 am-3:35 pm

1 stop10h 45m

Washington, D.C. Dulles Intl

Thu 10/1

11:10 am-9:20 am

2 stops17h 10m

$911

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 9/17

9:50 am-3:35 pm

1 stop10h 45m

Washington, D.C. Dulles Intl

Wed 9/30

12:26 pm-9:20 am

2 stops15h 54m

$915

BelfastBaltimore

BHD Belfast City - BWI Baltimore/Washington

BHDBWI

Belfast City

Fri 9/18

9:50 am-10:31 pm

2 stops17h 41m

Baltimore/Washington

Fri 10/2

1:55 pm-4:55 pm

2 stops22h 00m

$916

BelfastWashington, D.C.

BHD Belfast City - DCA Washington, D.C. Reagan-National

BHDDCA

Belfast City

Fri 9/18

9:50 am-10:03 pm

2 stops17h 13m

Washington, D.C. Reagan-National

Wed 9/30

12:55 pm-9:20 am

2 stops15h 25m

$916

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 9/17

9:50 am-11:14 pm

2 stops18h 24m

Washington, D.C. Dulles Intl

Thu 10/1

11:10 am-9:20 am

2 stops17h 10m

$916

Quickest round-trip

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Wed 9/16

9:50 am-8:14 pm

2 stops15h 24m

Washington, D.C. Dulles Intl

Thu 10/1

5:30 pm-9:20 am

1 stop10h 50m

$920

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Northern Ireland to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Northern Ireland to Washington, D.C. flights?

You could potentially save up to 39% on your flight if you consider stops on a Northern Ireland to Washington, D.C. flight.

Cheap Northern Ireland to Washington, D.C. flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Washington, D.C.

Fastest flight time	13h 50m
Direct flights	None

The fastest flight from Northern Ireland to Washington, D.C. takes 13h 50m

There are no direct flights from Northern Ireland to Washington, D.C.. There are no popular flight routes from Northern Ireland to Washington, D.C..

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Frequently asked questions about flying from Northern Ireland to Washington, D.C.

When did momondo last update prices for flights from Northern Ireland to Washington, D.C.?
Prices for flights from Northern Ireland to Washington, D.C. refresh daily.
How old do you have to be to fly from Northern Ireland to Washington, D.C.?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Alexandria

National Harbor

Arlington

Gettysburg

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Silver Spring

Towson

Colonial Beach

Springfield

Fairfax

Tysons

Edgewood

Glen Burnie

College Park

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Washington, D.C.?

It is quick and easy to find Northern Ireland to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Northern Ireland to Washington, D.C. with flexible booking policies on momondo?

All flight searches from Northern Ireland to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Northern Ireland to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Northern Ireland to Washington, D.C..

I’m not ready to book a flight from Northern Ireland to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Northern Ireland to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Northern Ireland to Washington, D.C. from $447

Find the cheapest flights from Northern Ireland to Washington, D.C.

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British Airways flights from Northern Ireland to Washington, D.C.

Our best British Airways deals on Northern Ireland to Washington, D.C. flight tickets

KLM flights from Northern Ireland to Washington, D.C.

Our best KLM deals on Northern Ireland to Washington, D.C. flight tickets

momondo Fare Finder

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

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Northern Ireland to Washington, D.C.

Can stopping save me money on Northern Ireland to Washington, D.C. flights?

What is the cheapest airline that flies from Northern Ireland to Washington, D.C.?

Cheap Northern Ireland to Washington, D.C. flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Northern Ireland to Washington, D.C.

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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