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Cheap flights from Belfast City Airport to Washington, D.C. from $496

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast City Airport to Washington, D.C. departing on 6/23. 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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Find the cheapest flights from Belfast City Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
2:20 pm - 8:10 pm
BHD
-
IAD
10h 50m
1 stop
British Airways Logo
3:26 pm - 6:45 pm
IAD
-
BHD
22h 19m
2 stops
$813British Airways
Thu, Apr 23 - Mon, Apr 27
British Airways Logo
9:35 am - 5:25 pm
BHD
-
IAD
12h 50m
1 stop
British Airways Logo
5:20 pm - 12:55 pm
IAD
-
BHD
14h 35m
2 stops
$839British Airways
Thu, Sep 3 - Mon, Sep 7
British Airways Logo
4:35 pm - 3:30 pm
BHD
-
IAD
27h 55m
2 stops
British Airways Logo
5:20 pm - 12:55 pm
IAD
-
BHD
14h 35m
2 stops
$842British Airways
Thu, Sep 3 - Mon, Sep 7
British Airways Logo
12:45 pm - 11:59 pm
BHD
-
IAD
16h 14m
2 stops
British Airways Logo
8:11 pm - 6:45 pm
IAD
-
BHD
17h 34m
2 stops
$962British Airways
Thu, Apr 23 - Mon, Apr 27

British Airways flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport

Our best British Airways deals on Belfast City Airport to Washington, D.C. Dulles Intl Airport flight tickets
British Airways
Apr 23
BHD2:20 pmBelfast City
10h 50m
1 stop
IAD8:10 pmWashington, D.C. Dulles Intl
Apr 27
IAD3:26 pmWashington, D.C. Dulles Intl
22h 19m
2 stops
BHD6:45 pmBelfast City
$813
British Airways
Sep 3
BHD9:35 amBelfast City
12h 50m
1 stop
IAD5:25 pmWashington, D.C. Dulles Intl
Sep 7
IAD5:20 pmWashington, D.C. Dulles Intl
14h 35m
2 stops
BHD12:55 pmBelfast City
$839
British Airways
Sep 3
BHD4:35 pmBelfast City
27h 55m
2 stops
IAD3:30 pmWashington, D.C. Dulles Intl
Sep 7
IAD5:20 pmWashington, D.C. Dulles Intl
14h 35m
2 stops
BHD12:55 pmBelfast City
$842

momondo Fare Finder

 
Customize your flight search to find flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport 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 March 22, 2026.
Use the filters below to find and compare flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 4/23

2:20 pm-8:10 pm

1 stop10h 50m

Washington, D.C. Dulles Intl

Mon 4/27

3:26 pm-6:45 pm

2 stops22h 19m

$813
Quickest round-trip

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 9/3

9:35 am-5:25 pm

1 stop12h 50m

Washington, D.C. Dulles Intl

Mon 9/7

5:20 pm-12:55 pm

2 stops14h 35m

$839

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 9/3

4:35 pm-3:30 pm

2 stops27h 55m

Washington, D.C. Dulles Intl

Mon 9/7

5:20 pm-12:55 pm

2 stops14h 35m

$842

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 4/23

12:45 pm-11:59 pm

2 stops16h 14m

Washington, D.C. Dulles Intl

Mon 4/27

8:11 pm-6:45 pm

2 stops17h 34m

$962
Cheapest one-way

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 6/23

5:20 pm-7:00 pm

3 stops30h 40m

$496

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 7/15

7:00 am-12:53 pm

2 stops34h 53m

$719

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 7/14

7:00 am-12:53 pm

2 stops34h 53m

$729

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 7/14

10:15 am-7:15 pm

3 stops38h 00m

$732

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sat 7/25

11:05 am-3:10 pm

3 stops33h 05m

$738
Quickest one-way

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 6/23

9:40 am-3:50 pm

1 stop11h 10m

$774

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Belfast City Airport to Washington, D.C. Dulles Intl Airport

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 Belfast City Airport to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 5% on your flight if you consider stops on a Belfast City Airport to Washington, D.C. Dulles Intl Airport flight.

When to book flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Belfast City Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Belfast City Airport to Washington, D.C. Dulles Intl Airport (BHD to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast City Airport to Washington, D.C. Dulles Intl Airport

Fastest flight time

10h 50m

Direct flights

None
The fastest flight from Belfast City Airport to Washington, D.C. Dulles Intl Airport takes 10h 50m
There are no direct flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Belfast City Airport to Washington, D.C. Dulles Intl Airport.
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  • How far is Belfast City to Washington, D.C. Dulles Intl by plane?

    Washington, D.C. Dulles Intl is 3389.6 mi away from Belfast City. Flights usually cover this in 10h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport are updated daily.

  • How old do you have to be to fly from Belfast City Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belfast City Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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
Winchester
Waldorf
Woodbridge
Colonial Beach
Laurel
Towson
Gaithersburg
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Linthicum Heights
Bethesda
Sterling

Why use momondo?

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

Finding the right flight to Washington, D.C. from Belfast is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

Yes. All flights to Washington, D.C. from Belfast on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Belfast.

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

If you are not ready to book a flight from Belfast to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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