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Cheap flights from Belfast to Washington, D.C. from £654

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — WAS
26 Feb — 5 Mar1
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 21 February 2025.

Round-trip from

£654
6/4-13/4
  • 6/4-13/4
  • 6 total stops
  • 75h 13m total
  • Belfast to Washington, D.C.
Search Deals

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

Cheapest flights from Belfast to Washington, D.C.
Explore the most affordable flight options available from Belfast to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Sun 6/413:15BFS - BWI
3 stops39h 43mMultiple Airlines
Sun 13/405:50BWI - BFS
3 stops35h 30mMultiple Airlines
Deal found 20/2£654
Sun 6/421:00BFS - IAD
3 stops27h 05mMultiple Airlines
Sun 13/420:45IAD - BFS
3 stops20h 40mMultiple Airlines
Deal found 20/2£682
Fri 11/406:35BHD - IAD
1 stop14h 15mBritish Airways
Sun 20/422:40IAD - BHD
1 stop15h 05mBritish Airways
Deal found 20/2£841
Fri 11/416:55BHD - IAD
2 stops27h 55mAer Lingus
Sun 20/417:20IAD - BHD
2 stops16h 10mAer Lingus
Deal found 20/2£878
Fri 11/414:00BHD - BWI
1 stop10h 35mBritish Airways
Sun 20/421:20BWI - BHD
1 stop12h 20mBritish Airways
Deal found 20/2£915
Fri 11/406:30BHD - IAD
1 stop14h 05mDelta
Sun 20/420:33IAD - BHD
2 stops19h 42mDelta
Deal found 20/2£919
Fri 11/406:30BHD - DCA
2 stops17h 46mDelta
Sun 20/416:31DCA - BHD
2 stops19h 24mDelta
Deal found 20/2£923
Sun 23/207:30BHD - IAD
3 stops34h 30mMultiple Airlines
Tue 25/219:40IAD - BHD
2 stops12h 30mMultiple Airlines
Deal found 19/2£1,002
Fri 11/406:30BHD - BWI
2 stops21h 43mDelta
Sun 20/418:44BWI - BHD
2 stops17h 11mDelta
Deal found 20/2£1,156
Sun 23/217:20BHD - IAD
1 stop27h 25mKLM
Tue 25/217:35IAD - BHD
1 stop18h 15mKLM
Deal found 19/2£2,224

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 21 February 2025.

Fly from

Belfast

Fly to

Washington, D.C.

Route

Depart

Return

Price

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Sun 6/4

13:15-23:58

3 stops39h 43m

Baltimore/Washington

Sun 13/4

05:50-22:20

3 stops35h 30m

£654

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Sun 6/4

21:00-19:05

3 stops27h 05m

Washington, D.C. Dulles Intl

Sun 13/4

20:45-22:25

3 stops20h 40m

£682

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Fri 11/4

06:35-15:50

1 stop14h 15m

Washington, D.C. Dulles Intl

Sun 20/4

22:40-18:45

1 stop15h 05m

£841

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Fri 11/4

16:55-15:50

2 stops27h 55m

Washington, D.C. Dulles Intl

Sun 20/4

17:20-14:30

2 stops16h 10m

£878

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Fri 11/4

14:00-19:35

1 stop10h 35m

Baltimore/Washington

Sun 20/4

21:20-14:40

1 stop12h 20m

£915

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Fri 11/4

06:30-15:35

1 stop14h 05m

Washington, D.C. Dulles Intl

Sun 20/4

20:33-21:15

2 stops19h 42m

£919

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Fri 11/4

06:30-19:16

2 stops17h 46m

Washington, D.C. Reagan-National

Sun 20/4

16:31-16:55

2 stops19h 24m

£923

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Fri 11/4

06:30-23:13

2 stops21h 43m

Baltimore/Washington

Sun 20/4

18:44-16:55

2 stops17h 11m

£1,156

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Best time to book a flight from Belfast to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Belfast 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.

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 21 February 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 21 February 2025.
To help decide which airline to fly from Belfast to Washington, D.C., see what other customers have to say about Delta, Aer Lingus and British Airways. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very Good
8,213 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aer Lingus
7.0
Good
1,070 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

British Airways
6.6
Okay
6,762 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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, January is the cheapest month in which you can book a flight from Belfast to Washington, D.C. (average of £599). Flying from Belfast to Washington, D.C. in July is currently the most expensive (average of £947). 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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£722Average£755FlexibilityNo 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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