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Cheap flights from Belfast to Washington, D.C. from £525

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — WAS
27 Jan — 3 Feb1
1 adult

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

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) 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 22 January 2025.

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

One-way flights from Belfast to Washington, D.C.
Search for one-way flight options from Belfast to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 22 January 2025.

Mon 21/706:45BFS - BWI
2 stops15h 55mMultiple Airlines
Deal found 21/1£525
Mon 21/721:00BFS - IAD
3 stops28h 50mMultiple Airlines
Deal found 21/1£569
Mon 21/707:55BHD - BWI
2 stops16h 30mMultiple Airlines
Deal found 21/1£624
Mon 21/708:20BFS - DCA
2 stops16h 32mMultiple Airlines
Deal found 21/1£657
Mon 21/706:50BHD - IAD
2 stops17h 05mAer Lingus
Deal found 21/1£666
Mon 21/707:05BHD - DCA
3 stops20h 22mMultiple Airlines
Deal found 21/1£695
Mon 21/706:55BHD - IAD
3 stops21h 04mMultiple Airlines
Deal found 21/1£742
Mon 21/719:30BHD - BWI
1 stop29h 05mAer Lingus
Deal found 21/1£869
Mon 21/713:50BHD - DCA
2 stops14h 13mBritish Airways
Deal found 21/1£1,009

Find flights from Belfast to Washington, D.C. within your budget

Customise your flight search to find flights from Belfast 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 22 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Mon 21/7

06:45-17:40

2 stops15h 55m

£525

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Mon 21/7

21:00-20:50

3 stops28h 50m

£569

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Mon 21/7

07:55-19:25

2 stops16h 30m

£624

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Mon 21/7

08:20-19:52

2 stops16h 32m

£657

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Mon 21/7

06:50-18:55

2 stops17h 05m

£666

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Mon 21/7

07:05-22:27

3 stops20h 22m

£695

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Mon 21/7

06:55-22:59

3 stops21h 04m

£742

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Mon 21/7

19:30-19:35

1 stop29h 05m

£869

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Mon 21/7

13:50-23:03

2 stops14h 13m

£1,009

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Travel insights for flights from Belfast to Washington, D.C.

Get recent, data-driven insights about flights from Belfast to Washington, D.C. including ideal travel times, pricing trends, and more.

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

Find hourly flight availability from Belfast 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 22 January 2025.

When flying from Belfast to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 18% versus a flight in the morning.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated 22 January 2025.
Aer Lingus
7.1
Good
1,082 reviews
Check prices

Entertainment

6.8

Crew

8.0

Comfort

7.0

Food

6.4

Overall

7.1

Boarding

7.3

Reviews

1 / 10

Don’t check bags which for an international flight means don’t take this air line. Lost our luggage and once found refused to deliver it to our home. Had to pick back up from the airport. No compensation not even an apology… Don’t fly aer lingus.

Aer Lingus
7.1
Good
1,082 reviews
Aer Lingus
7.1
Good
1,082 reviews
Check prices

Entertainment

6.8

Crew

8.0

Comfort

7.0

Food

6.4

Overall

7.1

Boarding

7.3

Reviews

1 / 10

Don’t check bags which for an international flight means don’t take this air line. Lost our luggage and once found refused to deliver it to our home. Had to pick back up from the airport. No compensation not even an apology… Don’t fly aer lingus.

British Airways
6.6
Okay
6,834 reviews
Aer Lingus
7.1
Good
1,082 reviews
Check prices

Entertainment

6.8

Crew

8.0

Comfort

7.0

Food

6.4

Overall

7.1

Boarding

7.3

Reviews

1 / 10

Don’t check bags which for an international flight means don’t take this air line. Lost our luggage and once found refused to deliver it to our home. Had to pick back up from the airport. No compensation not even an apology… Don’t fly aer lingus.

Related info for your journey

Find useful and relevant information for your journey from Belfast 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.

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

    When deciding which route to take from Belfast to Washington, D.C. consider Belfast Intl - Washington, D.C. Dulles Intl, Belfast Intl - Baltimore/Washington or Belfast Intl - Washington, D.C. Reagan-National as they are the most popular.

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast 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.

  • What is the cheapest month to book a flight from Belfast to Washington, D.C.?

    Currently, February is the cheapest month in which you can book a flight from Belfast to Washington, D.C. (average of £565). Flying from Belfast to Washington, D.C. in July is currently the most expensive (average of £946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Silver Spring
Arlington
Woodbridge
College Park
Laurel
Tysons

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Alternative routes for Belfast 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

Top airline flying from Belfast to Washington, D.C.

Discover the top airline that operate flights from Belfast to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 January 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£741Average£775FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Belfast to Washington, D.C. flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington, D.C. from Belfast.

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

Yes, we can. To see specific flights from Belfast to Washington, D.C. with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from Belfast to Washington, D.C. on Cheapflights with our Price Alert feature and get notified when better prices are available.

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