Cheap flights from Northern Ireland to Washington, D.C. from $793

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Washington, D.C. departing on 1/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:00 am - 8:26 pm
BFS
-
IAD
39h 26m3 stops
Multiple Airlines Logo
10:30 pm - 10:00 pm
IAD
-
BFS
18h 30m2 stops
$793Multiple Airlines
vie., ene. 23 - vie., ene. 30
Multiple Airlines Logo
8:05 am - 6:30 pm
BFS
-
IAD
15h 25m2 stops
Multiple Airlines Logo
7:40 pm - 3:10 pm
IAD
-
BFS
14h 30m2 stops
$796Multiple Airlines
vie., ene. 23 - vie., ene. 30
Multiple Airlines Logo
7:00 am - 10:00 pm
BHD
-
IAD
43h 00m3 stops
Multiple Airlines Logo
8:40 pm - 5:15 pm
IAD
-
BHD
16h 35m2 stops
$812Multiple Airlines
jue., mar. 12 - mar., mar. 17
Multiple Airlines Logo
8:50 am - 8:55 pm
BFS
-
IAD
16h 05m1 stop
Multiple Airlines Logo
7:20 pm - 9:30 pm
IAD
-
BFS
22h 10m1 stop
$815Multiple Airlines
jue., mar. 12 - mar., mar. 17
Multiple Airlines Logo
7:25 am - 8:55 pm
BHD
-
IAD
17h 30m1 stop
Multiple Airlines Logo
7:20 pm - 4:15 pm
IAD
-
BHD
16h 55m1 stop
$827Multiple Airlines
jue., mar. 12 - mar., mar. 17
Multiple Airlines Logo
7:25 am - 7:30 pm
BHD
-
IAD
16h 05m2 stops
Multiple Airlines Logo
8:40 pm - 8:30 pm
IAD
-
BHD
19h 50m2 stops
$828Multiple Airlines
jue., mar. 12 - mar., mar. 17
British Airways Logo
10:40 am - 7:45 pm
BHD
-
BWI
13h 05m1 stop
British Airways Logo
9:35 pm - 11:30 am
BWI
-
BHD
9h 55m1 stop
$965British Airways
jue., mar. 12 - mar., mar. 17
British Airways Logo
9:05 am - 3:35 pm
BHD
-
IAD
11h 30m1 stop
British Airways Logo
6:20 pm - 10:40 am
IAD
-
BHD
11h 20m1 stop
$977British Airways
jue., ene. 29 - lun., feb. 2
KLM Logo
6:30 am - 5:05 pm
BHD
-
IAD
14h 35m1 stop
KLM Logo
7:59 pm - 4:50 pm
IAD
-
BHD
16h 51m2 stops
$982KLM
jue., mar. 12 - mar., mar. 17
Delta Logo
6:30 am - 10:08 pm
BHD
-
DCA
19h 38m2 stops
Delta Logo
5:05 pm - 4:50 pm
DCA
-
BHD
19h 45m2 stops
$987Delta
jue., mar. 12 - mar., mar. 17

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
Mar 12
BHD10:40 amBelfast City
13h 05m
1 stop
BWI7:45 pmBaltimore/Washington
Mar 17
BWI9:35 pmBaltimore/Washington
9h 55m
1 stop
BHD11:30 amBelfast City
British Airways
Jan 29
BHD9:05 amBelfast City
11h 30m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Feb 2
IAD6:20 pmWashington, D.C. Dulles Intl
11h 20m
1 stop
BHD10:40 amBelfast City
British Airways
Jan 29
BHD6:35 amBelfast City
14h 00m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Feb 2
IAD5:46 pmWashington, D.C. Dulles Intl
15h 29m
2 stops
BHD2:15 pmBelfast City

momondo Fare Finder

 
Customize your flight search to find flights from Northern Ireland to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated diciembre 11, 2025.
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

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

vie. 1/23

10:00 am-8:26 pm

3 stops39h 26m

Washington, D.C. Dulles Intl

vie. 1/30

10:30 pm-10:00 pm

2 stops18h 30m

$793

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

vie. 1/23

8:05 am-6:30 pm

2 stops15h 25m

Washington, D.C. Dulles Intl

vie. 1/30

7:40 pm-3:10 pm

2 stops14h 30m

$796

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

jue. 3/12

7:00 am-10:00 pm

3 stops43h 00m

Washington, D.C. Dulles Intl

mar. 3/17

8:40 pm-5:15 pm

2 stops16h 35m

$812

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

jue. 3/12

8:50 am-8:55 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

mar. 3/17

7:20 pm-9:30 pm

1 stop22h 10m

$815

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

jue. 3/12

7:25 am-8:55 pm

1 stop17h 30m

Washington, D.C. Dulles Intl

mar. 3/17

7:20 pm-4:15 pm

1 stop16h 55m

$827

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

jue. 3/12

7:25 am-7:30 pm

2 stops16h 05m

Washington, D.C. Dulles Intl

mar. 3/17

8:40 pm-8:30 pm

2 stops19h 50m

$828

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

jue. 3/12

10:40 am-7:45 pm

1 stop13h 05m

Baltimore/Washington

mar. 3/17

9:35 pm-11:30 am

1 stop9h 55m

$965

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

jue. 1/29

9:05 am-3:35 pm

1 stop11h 30m

Washington, D.C. Dulles Intl

lun. 2/2

6:20 pm-10:40 am

1 stop11h 20m

$977

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

jue. 3/12

6:30 am-5:05 pm

1 stop14h 35m

Washington, D.C. Dulles Intl

mar. 3/17

7:59 pm-4:50 pm

2 stops16h 51m

$982

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

jue. 3/12

6:30 am-10:08 pm

2 stops19h 38m

Washington, D.C. Reagan-National

mar. 3/17

5:05 pm-4:50 pm

2 stops19h 45m

$987

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Washington, D.C. from

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

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

You could potentially save up to 5% 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

12h 40m

Direct flights

None
The fastest flight from Northern Ireland to Washington, D.C. takes 12h 40m
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..
  • 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.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Gaithersburg
Reston
Manassas
Fairfax
Glen Burnie
Linthicum Heights
Springfield

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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1 adult
sáb. 1/10
sáb. 1/17

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.