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Cheap flights from Belfast City Airport to Washington, D.C. from £351

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — WAS
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Cheap 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 17 October 2025.

Round-trip from

£718

One-way from

£351
American Airlines
  • American Airlines
  • 13/11-17/11
  • 2 total stops
  • 40h 50m total
  • Belfast to Washington, D.C.
Search Deals
15/12
  • 15/12
  • 3 total stops
  • 28h 10m total
  • Belfast to Washington, D.C.
Search Deals

Find 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 17 October 2025.

Thu 13/1115:05BHD - IAD
1 stop29h 30mAmerican Airlines
Mon 17/1118:20IAD - BHD
1 stop11h 20mAmerican Airlines
Deal found 14/10£718
Thu 4/1211:05BHD - DCA
2 stops15h 25mAmerican Airlines
Mon 8/1217:22DCA - BHD
2 stops15h 53mAmerican Airlines
Deal found 14/10£721
Thu 13/1110:35BHD - IAD
2 stops13h 55mBritish Airways
Mon 17/1121:45IAD - BHD
2 stops13h 35mBritish Airways
Deal found 15/10£875

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 17 October 2025.
Use the filters below to find and compare flights from Belfast City Airport to Washington, D.C. that are best for you.

Fly from

Belfast City

Fly to

Washington, D.C.

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 13/11

10:40-15:35

1 stop33h 55m

Washington, D.C. Dulles Intl

Mon 17/11

11:25-10:40

2 stops18h 15m

£718

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 4/12

11:05-21:30

2 stops15h 25m

Washington, D.C. Reagan-National

Mon 8/12

17:22-14:15

2 stops15h 53m

£721

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 5/3

09:05-18:14

2 stops14h 09m

Washington, D.C. Reagan-National

Mon 9/3

13:10-10:40

2 stops17h 30m

£732

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Fri 6/3

06:45-18:45

1 stop17h 00m

Baltimore/Washington

Tue 10/3

21:35-11:30

1 stop9h 55m

£734

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 13/11

10:35-19:30

2 stops13h 55m

Washington, D.C. Dulles Intl

Mon 17/11

21:45-16:20

2 stops13h 35m

£875

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 1/4

06:30-15:35

1 stop14h 05m

Washington, D.C. Dulles Intl

Sun 5/4

19:59-21:20

2 stops20h 21m

£1,237

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 1/4

06:30-18:06

2 stops16h 36m

Washington, D.C. Reagan-National

Sun 5/4

17:00-16:55

2 stops18h 55m

£1,241

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Tue 10/3

11:25-19:45

1 stop12h 20m

Baltimore/Washington

Wed 11/3

20:19-16:35

2 stops16h 16m

£2,508

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Mon 15/12

15:25-14:35

3 stops28h 10m

£351

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sun 22/3

14:15-16:15

3 stops30h 00m

£408

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 13 results
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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.

What is the cheapest time of day to fly from BHD to WAS?

Find hourly flight availability from Belfast City to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 October 2025.

It’s typically best to fly out from Belfast City Airport to Washington, D.C. in the evening. Doing so could potentially save you 36% on the flight price compared to flying in the afternoon, which is usually more expensive.

What’s the top stopover airport for flights from Belfast City Airport to Washington, D.C.?

Share of one-stop return flights from Belfast City Airport to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same stopover each way.

London (LHR) – chosen by Cheapflights users on 80% of one-stop itineraries from Belfast City Airport to Washington, D.C. on Cheapflights.

What’s the cheapest stopover airport for flights from Belfast City Airport to Washington, D.C.?

Average return fare for one-stop flights from Belfast City Airport to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same stopover each way.

London (LHR) is the most affordable one-stop option, with an average return flight price of £551.

What’s the fastest stopover option from Belfast City Airport to Washington, D.C.?

Shortest average travel time for one-stop one-way flights from Belfast City Airport to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via London (LHR) have the shortest average one-way travel time for one-stop routes: 10h 55m.

Which airport typically offers the quickest stopover for flights from Belfast City Airport to Washington, D.C.?

Average stopover duration for one-stop one-way flights from Belfast City Airport to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via London (LHR) offer the fastest connection on this route, with an average stopover time of 1h 28m.

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 fly from Belfast City Airport to Washington, D.C. in about 33h 55m. The time it takes to get you to your destination can typically vary by up to . The distance from Belfast City Airport to Washington, D.C. is about 3390 mi.

  • 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 - Baltimore/Washington, Belfast City - Washington, D.C. Reagan-National 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
Woodbridge
Arlington
Alexandria
College Park
Tysons

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 Reagan-National 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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