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Cheap flights from Belfast City Airport to Washington, D.C. from £438

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — WAS
28 May — 4 Jun1
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 28 April 2026.

Tue 23/609:40
BHD
-
BWI
1 stop15h 00m
American Airlines
Tue 11/816:25
BWI
-
BHD
2 stops17h 55m
American Airlines
Deal found 24/4£675
Fri 5/606:30
BHD
-
IAD
1 stop16h 00m
British Airways
Tue 16/619:20
IAD
-
BHD
1 stop10h 25m
British Airways
Deal found 24/4£710
Tue 23/609:40
BHD
-
IAD
1 stop15h 40m
American Airlines
Tue 11/817:34
IAD
-
BHD
2 stops16h 46m
American Airlines
Deal found 24/4£713
Tue 30/609:40
BHD
-
IAD
1 stop15h 40m
British Airways
Tue 21/722:25
IAD
-
BHD
1 stop11h 55m
British Airways
Deal found 28/4£716
Tue 26/507:00
BHD
-
DCA
3 stops30h 53m
Multiple Airlines
Tue 2/606:00
DCA
-
BHD
3 stops30h 50m
Multiple Airlines
Deal found 27/4£722
Thu 1/1012:45
BHD
-
BWI
1 stop11h 55m
British Airways
Mon 5/1015:54
BWI
-
BHD
2 stops21h 51m
British Airways
Deal found 23/4£726
Tue 23/606:30
BHD
-
DCA
2 stops15h 43m
American Airlines
Tue 11/814:59
DCA
-
BHD
2 stops14h 46m
American Airlines
Deal found 25/4£727
Tue 26/513:45
BHD
-
IAD
1 stop31h 00m
British Airways
Tue 2/622:25
IAD
-
BHD
1 stop11h 55m
British Airways
Deal found 27/4£733
Thu 1/1009:35
BHD
-
DCA
2 stops19h 24m
British Airways
Mon 5/1019:06
DCA
-
BHD
2 stops12h 49m
British Airways
Deal found 23/4£734
Wed 11/1106:35
BHD
-
IAD
1 stop14h 00m
British Airways
Sun 15/1118:20
IAD
-
BHD
1 stop14h 35m
British Airways
Deal found 27/4£740
Tue 26/507:00
BHD
-
IAD
2 stops19h 26m
Multiple Airlines
Tue 2/608:18
IAD
-
BHD
3 stops28h 32m
Multiple Airlines
Deal found 27/4£808
Tue 23/609:40
BHD
-
IAD
1 stop11h 10m
British Airways
Tue 11/817:45
IAD
-
BHD
1 stop10h 15m
British Airways
Deal found 24/4£828

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 28 April 2026.

Round-trip from

£675

One-way from

£438
American Airlines
  • American Airlines
  • 23/6-11/8
  • 3 total stops
  • 32h 55m total
  • Belfast to Washington, D.C.
Search Deals
10/8
  • 10/8
  • 3 total stops
  • 39h 45m 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 28 April 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

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Tue 23/6

09:40-19:40

1 stop15h 00m

Baltimore/Washington

Tue 11/8

16:25-15:20

2 stops17h 55m

£675
Fastest return journey

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Fri 5/6

06:30-17:30

1 stop16h 00m

Washington, D.C. Dulles Intl

Tue 16/6

19:20-10:45

1 stop10h 25m

£710

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 23/6

09:40-20:20

1 stop15h 40m

Washington, D.C. Dulles Intl

Tue 11/8

17:34-15:20

2 stops16h 46m

£713

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 30/6

09:40-20:20

1 stop15h 40m

Washington, D.C. Dulles Intl

Tue 21/7

22:25-15:20

1 stop11h 55m

£716

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 26/5

07:00-08:53

3 stops30h 53m

Washington, D.C. Reagan-National

Tue 2/6

06:00-17:50

3 stops30h 50m

£722

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Thu 1/10

12:45-19:40

1 stop11h 55m

Baltimore/Washington

Mon 5/10

15:54-18:45

2 stops21h 51m

£726

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

14:59-10:45

2 stops14h 46m

£727

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 1/10

09:35-18:59

2 stops14h 24m

Washington, D.C. Reagan-National

Mon 5/10

19:59-18:45

2 stops17h 46m

£735

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 23/6

06:30-15:50

1 stop14h 20m

Washington, D.C. Dulles Intl

Tue 11/8

21:30-15:20

1 stop12h 50m

£830

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Fri 5/6

07:00-20:29

2 stops18h 29m

Washington, D.C. Dulles Intl

Tue 16/6

08:18-17:50

3 stops28h 32m

£838

Flights are sorted by cheapest return flights first.

Deals found on 27/4

Showing 1-10 of 24 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 American Airlines and British Airways fly from Belfast City Airport to Washington, D.C. in about 15h. The time it takes to get you to your destination can typically vary by up to 1h. The distance from Belfast City Airport to Washington, D.C. is about 3348 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. Reagan-National or Belfast City - Washington, D.C. Dulles Intl, 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
Arlington
Alexandria

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 City to Reagan-National flights
Belfast Intl to Dulles Intl flights
Belfast City to Dulles Intl 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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