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Cheap flights from Belfast City Airport to Washington, D.C. from £453

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — WAS
9 Jul — 16 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast City to Washington, D.C.

Enter your travel dates to find the best prices.

Cheapest flights from Belfast City to Washington, D.C.
Explore the most affordable flight options available from Belfast City to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 June 2026.

Tue 27/1011:25
BHD
-
IAD
1 stop13h 30m
British Airways
Fri 30/1022:45
IAD
-
BHD
1 stop14h 30m
British Airways
Deal found 8/6£567
Wed 2/910:05
BHD
-
IAD
1 stop14h 35m
British Airways
Sun 6/913:23
IAD
-
BHD
2 stops23h 17m
British Airways
Deal found 5/6£596
Tue 23/606:30
BHD
-
DCA
2 stops15h 43m
American Airlines
Tue 11/813:59
DCA
-
BHD
2 stops15h 46m
American Airlines
Deal found 8/6£600
Tue 23/609:40
BHD
-
IAD
2 stops19h 33m
American Airlines
Tue 11/822:25
IAD
-
BHD
1 stop11h 55m
American Airlines
Deal found 8/6£600
Tue 23/620:25
BHD
-
IAD
1 stop26h 05m
British Airways
Tue 11/822:25
IAD
-
BHD
1 stop11h 55m
British Airways
Deal found 6/6£602
Tue 27/1011:25
BHD
-
DCA
2 stops15h 32m
British Airways
Sat 31/1014:55
DCA
-
BHD
2 stops16h 15m
British Airways
Deal found 8/6£624
Tue 27/1006:35
BHD
-
BWI
2 stops16h 51m
British Airways
Sat 31/1021:35
BWI
-
BHD
1 stop12h 40m
British Airways
Deal found 8/6£626
Tue 27/1011:25
BHD
-
DCA
2 stops15h 32m
British Airways
Fri 30/1017:06
DCA
-
BHD
2 stops13h 24m
British Airways
Deal found 8/6£630
Tue 27/1010:10
BHD
-
IAD
2 stops14h 20m
British Airways
Sat 31/1022:45
IAD
-
BHD
1 stop16h 55m
British Airways
Deal found 8/6£636
Tue 27/1015:05
BHD
-
BWI
1 stop32h 40m
Multiple Airlines
Sat 31/1021:35
BWI
-
BHD
1 stop12h 40m
Multiple Airlines
Deal found 8/6£656
Tue 23/613:45
BHD
-
BWI
1 stop10h 55m
British Airways
Tue 11/819:25
BWI
-
BHD
1 stop10h 20m
British Airways
Deal found 6/6£659
Tue 27/1006:35
BHD
-
BWI
2 stops19h 05m
British Airways
Fri 30/1021:35
BWI
-
BHD
1 stop12h 40m
British Airways
Deal found 8/6£669

Find flight deals from Belfast City to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Belfast City (BHD) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 9 June 2026.

Round-trip from

£567

One-way from

£453
British Airways
  • British Airways
  • 27/10-30/10
  • 2 total stops
  • 28h 00m total
  • Belfast to Washington, D.C.
Search Deals
4/8
  • 4/8
  • 3 total stops
  • 49h 02m total
  • Belfast to Washington, D.C.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast City 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, Cheapflights users made 858,174 searches. Data last updated 9 June 2026.
Use the filters below to find and compare flights from Belfast City Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 2/9

10:05-19:40

1 stop14h 35m

Washington, D.C. Dulles Intl

Sun 6/9

13:23-17:40

2 stops23h 17m

£596

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 23/6

06:30-17:13

2 stops15h 43m

Washington, D.C. Reagan-National

Tue 11/8

13:59-10:45

2 stops15h 46m

£600

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 23/6

15:30-15:45

2 stops29h 15m

Washington, D.C. Dulles Intl

Tue 11/8

17:45-09:00

1 stop10h 15m

£626

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 27/10

11:25-22:57

2 stops15h 32m

Washington, D.C. Reagan-National

Fri 30/10

17:06-10:30

2 stops13h 24m

£630

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 27/10

10:10-20:30

2 stops14h 20m

Washington, D.C. Dulles Intl

Sat 31/10

22:45-19:40

1 stop16h 55m

£636
Fastest return journey

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Tue 23/6

13:45-19:40

1 stop10h 55m

Baltimore/Washington

Tue 11/8

19:25-10:45

1 stop10h 20m

£659

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 23/6

09:40-17:30

1 stop12h 50m

Washington, D.C. Dulles Intl

Tue 11/8

22:25-15:20

1 stop11h 55m

£674

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Tue 23/6

09:40-19:40

1 stop15h 00m

Baltimore/Washington

Tue 11/8

19:24-15:20

2 stops14h 56m

£701

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 27/10

06:50-20:05

3 stops41h 15m

Washington, D.C. Dulles Intl

Sat 31/10

20:40-20:35

2 stops19h 55m

£751

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Tue 23/6

09:50-22:24

2 stops17h 34m

Baltimore/Washington

Tue 11/8

17:36-16:55

2 stops18h 19m

£756

Flights are sorted by cheapest return flights first.

Deals found on 5/6

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Belfast City to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Belfast City with our price prediction graph.
Estimated return 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.

Cheapflights Insights

Everything you need to know about your flight from Belfast City Airport to Washington, D.C.
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Belfast City to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Belfast City Airport to Washington, D.C.?

    Airlines like British Airways and American Airlines fly from Belfast City Airport to Washington, D.C. in about 14h 35m. The time it takes to get you to your destination can typically vary by up to 1h 08m. The distance from Belfast City Airport to Washington, D.C. is about 3390 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Belfast City Airport to Washington, D.C.?

    While some choose either Belfast City - Washington, D.C. Dulles Intl or Belfast City - Washington, D.C. Reagan-National, Belfast City - Baltimore/Washington is the most popular route from Belfast City Airport to Washington, D.C..

  • Can I find deals for flights from Belfast City to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Belfast City to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast City to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast City to Washington, D.C..

  • Can I find deals for business class flights from Belfast City to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Belfast City to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Gaithersburg
Woodbridge
Alexandria

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Belfast City to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to Dulles Intl flights
Belfast City to Dulles Intl flights
Belfast City to Reagan-National flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Belfast City to Washington, D.C.?

When you search for this flight from Belfast City to Washington, D.C., Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Belfast City to Washington, D.C.?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Belfast City to Washington, D.C. for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Belfast City to Washington, D.C. with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Belfast City to Washington, D.C. flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Belfast City to Washington, D.C. become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Washington, D.C. from Belfast City today and book when prices fit your budget.

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