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

British Airways is the most popular carrier 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.

$400 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.

4:05 pm - 7:40 pm

BHD

BWI

32h 35m

1 stop

1:53 pm - 10:30 am

BWI

BHD

15h 37m

2 stops

$785British Airways

Wed, Sep 30 - Sun, Oct 4

7:05 am - 7:40 pm

BHD

IAD

17h 35m

1 stop

10:25 pm - 3:20 pm

IAD

BHD

11h 55m

1 stop

$785British Airways

Sat, Sep 5 - Tue, Sep 8

4:05 pm - 7:40 pm

BHD

BWI

32h 35m

1 stop

1:53 pm - 10:30 am

BWI

BHD

15h 37m

2 stops

$788British Airways

Wed, Sep 30 - Sun, Oct 4

7:05 am - 7:40 pm

BHD

IAD

17h 35m

1 stop

5:34 pm - 6:55 pm

IAD

BHD

20h 21m

2 stops

$788British Airways

Sat, Sep 5 - Tue, Sep 8

8:35 pm - 4:30 pm

BHD

BWI

24h 55m

2 stops

1:53 pm - 5:40 pm

BWI

BHD

22h 47m

2 stops

$791British Airways

Wed, Sep 30 - Sun, Oct 4

8:35 pm - 4:30 pm

BHD

BWI

24h 55m

2 stops

1:53 pm - 5:40 pm

BWI

BHD

22h 47m

2 stops

$793British Airways

Wed, Sep 30 - Sun, Oct 4

7:05 am - 7:10 pm

BHD

IAD

17h 05m

2 stops

5:34 pm - 6:55 pm

IAD

BHD

20h 21m

2 stops

$793British Airways

Sat, Sep 5 - Tue, Sep 8

7:40 pm - 6:50 pm

BHD

IAD

28h 10m

2 stops

7:15 pm - 10:30 am

IAD

BHD

10h 15m

1 stop

$831British Airways

Wed, Oct 7 - Sun, Oct 11

7:10 am - 7:20 pm

BFS

IAD

17h 10m

2 stops

8:30 pm - 9:30 pm

IAD

BFS

20h 00m

2 stops

$906Multiple Airlines

Sun, Aug 9 - Sun, Aug 16

10:05 am - 7:40 pm

BHD

BWI

14h 35m

1 stop

9:30 pm - 8:35 pm

BWI

BHD

18h 05m

1 stop

$2,021Aer Lingus

Wed, Jul 15 - Thu, Jul 16

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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 5

BHD7:05 amBelfast City

17h 35m

1 stop

IAD7:40 pmWashington, D.C. Dulles Intl

Sep 8

IAD10:25 pmWashington, D.C. Dulles Intl

11h 55m

1 stop

BHD3:20 pmBelfast City

$785

British Airways

Sep 30

BHD8:35 pmBelfast City

24h 55m

2 stops

BWI4:30 pmBaltimore/Washington

Oct 4

BWI1:53 pmBaltimore/Washington

22h 47m

2 stops

BHD5:40 pmBelfast City

$791

British Airways

Oct 7

BHD7:40 pmBelfast City

28h 10m

2 stops

IAD6:50 pmWashington, D.C. Dulles Intl

Oct 11

IAD7:15 pmWashington, D.C. Dulles Intl

10h 15m

1 stop

BHD10:30 amBelfast City

$831

Aer Lingus flights from Northern Ireland to Washington, D.C.

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

Aer Lingus

Jul 15

BHD2:55 pmBelfast City

29h 50m

2 stops

IAD3:45 pmWashington, D.C. Dulles Intl

Jul 16

IAD8:40 pmWashington, D.C. Dulles Intl

16h 10m

2 stops

BHD5:50 pmBelfast City

$1,306

Aer Lingus

Jul 15

BHD10:05 amBelfast City

14h 35m

1 stop

BWI7:40 pmBaltimore/Washington

Jul 16

BWI9:30 pmBaltimore/Washington

18h 05m

1 stop

BHD8:35 pmBelfast City

$2,021

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

BHD - BWI

BHDBWI

Belfast City

Wed 9/30

4:05 pm-7:40 pm

1 stop32h 35m

Baltimore/Washington

Sun 10/4

1:53 pm-10:30 am

2 stops15h 37m

$785

Quickest round-trip

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sat 9/5

7:05 am-7:40 pm

1 stop17h 35m

Washington, D.C. Dulles Intl

Tue 9/8

10:25 pm-3:20 pm

1 stop11h 55m

$785

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Wed 9/30

4:05 pm-7:40 pm

1 stop32h 35m

Baltimore/Washington

Sun 10/4

1:53 pm-10:30 am

2 stops15h 37m

$788

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sat 9/5

7:05 am-7:40 pm

1 stop17h 35m

Washington, D.C. Dulles Intl

Tue 9/8

5:34 pm-6:55 pm

2 stops20h 21m

$788

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Wed 9/30

8:35 pm-4:30 pm

2 stops24h 55m

Baltimore/Washington

Sun 10/4

1:53 pm-5:40 pm

2 stops22h 47m

$791

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Wed 9/30

8:35 pm-4:30 pm

2 stops24h 55m

Baltimore/Washington

Sun 10/4

1:53 pm-5:40 pm

2 stops22h 47m

$793

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sat 9/5

7:05 am-7:10 pm

2 stops17h 05m

Washington, D.C. Dulles Intl

Tue 9/8

5:34 pm-6:55 pm

2 stops20h 21m

$793

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 10/7

7:40 pm-6:50 pm

2 stops28h 10m

Washington, D.C. Dulles Intl

Sun 10/11

7:15 pm-10:30 am

1 stop10h 15m

$831

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Sun 8/9

7:10 am-7:20 pm

2 stops17h 10m

Washington, D.C. Dulles Intl

Sun 8/16

8:30 pm-9:30 pm

2 stops20h 00m

$906

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Wed 7/15

10:05 am-7:40 pm

1 stop14h 35m

Baltimore/Washington

Thu 7/16

9:30 pm-8:35 pm

1 stop18h 05m

$2,021

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 40% 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	14h 10m
Direct flights	None

The fastest flight from Northern Ireland to Washington, D.C. takes 14h 10m

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..

Search flight deals

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

Colonial Beach

Linthicum Heights

Rockville

Silver Spring

Towson

Manassas

Tysons

Springfield

Fairfax

Bethesda

Glen Burnie

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 $400

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

Aer Lingus flights from Northern Ireland to Washington, D.C.

Our best Aer Lingus 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

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

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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