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 £938). 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.

What is the cheapest day to fly from Belfast to Washington, D.C.?

Travellers seeking maximum savings on their Belfast to Washington, D.C. flight should consider departing on Friday at midday when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 - Baltimore/Washington, Belfast Intl - Washington, D.C. Dulles Intl or Belfast City - Washington, D.C. Reagan-National as they are the most popular.

What is the cheapest day to fly round-trip from Belfast to Washington, D.C.?

It’s generally more expensive to depart on a Thursday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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.

£606+ Flights from Belfast to Washington, D.C.

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

Round-trip from	£606

31/1-7/2
4 total stops
39h 10m total
Belfast to Washington, D.C.

Search Deals

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

Best flights from Belfast to Washington, D.C.
Discover carefully curated flight deals from Belfast to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 December 2024.

Fri 31/106:15BFS - IAD

2 stops17h 10mMultiple Airlines

Fri 7/219:40IAD - BFS

2 stops22h 00mMultiple Airlines

Deal found 17/12£606

Mon 3/306:35BHD - BWI

1 stop17h 10mFinnair

Mon 10/321:30BWI - BHD

1 stop18h 45mFinnair

Deal found 16/12£666

Mon 3/311:30BHD - BWI

1 stop12h 15mBritish Airways

Mon 10/320:19BWI - BHD

2 stops15h 56mBritish Airways

Deal found 16/12£674

Mon 3/306:30BHD - IAD

1 stop14h 15mKLM

Mon 10/318:35IAD - BHD

1 stop18h 15mKLM

Deal found 16/12£678

Mon 3/306:35BHD - IAD

2 stops16h 26mAmerican Airlines

Mon 10/322:55IAD - BHD

1 stop11h 15mAmerican Airlines

Deal found 16/12£680

Mon 3/306:30BHD - IAD

1 stop14h 15mDelta

Mon 10/318:35IAD - BHD

1 stop22h 25mDelta

Deal found 16/12£691

Fri 21/308:40BHD - IAD

1 stop11h 55mIberia

Fri 28/319:00IAD - BHD

1 stop11h 30mIberia

Deal found 17/12£727

Fri 21/306:30BHD - DCA

2 stops19h 59mVirgin Atlantic

Fri 28/312:17DCA - BHD

2 stops24h 33mVirgin Atlantic

Deal found 17/12£765

Mon 3/306:35BHD - DCA

2 stops21h 00mFinnair

Mon 10/318:59DCA - BHD

2 stops17h 16mFinnair

Deal found 16/12£673

Mon 3/306:35BHD - IAD

2 stops22h 18mBritish Airways

Mon 10/313:52IAD - BHD

2 stops16h 38mBritish Airways

Deal found 16/12£682

Mon 3/306:30BHD - DCA

2 stops15h 15mDelta

Mon 10/316:30DCA - BHD

2 stops20h 20mDelta

Deal found 16/12£696

Mon 3/306:30BHD - BWI

2 stops15h 20mKLM

Mon 10/317:30BWI - BHD

2 stops19h 20mKLM

Deal found 16/12£696

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

Fly from

Fly to

Route

Depart

Return

Price

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Fri 31/1

06:15-18:25

2 stops17h 10m

Washington, D.C. Dulles Intl

Fri 7/2

19:40-22:40

2 stops22h 00m

£606

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Mon 3/3

06:35-18:45

1 stop17h 10m

Baltimore/Washington

Mon 10/3

21:30-20:15

1 stop18h 45m

£666

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Mon 3/3

06:35-22:35

2 stops21h 00m

Washington, D.C. Reagan-National

Mon 10/3

18:59-16:15

2 stops17h 16m

£673

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Mon 3/3

11:30-18:45

1 stop12h 15m

Baltimore/Washington

Mon 10/3

20:19-16:15

2 stops15h 56m

£674

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Mon 3/3

06:30-15:45

1 stop14h 15m

Washington, D.C. Dulles Intl

Mon 10/3

18:35-16:50

1 stop18h 15m

£678

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Mon 3/3

06:35-18:01

2 stops16h 26m

Washington, D.C. Dulles Intl

Mon 10/3

22:55-14:10

1 stop11h 15m

£680

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Mon 3/3

11:30-18:45

1 stop12h 15m

Baltimore/Washington

Mon 10/3

21:30-14:10

1 stop12h 40m

£683

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Mon 3/3

06:35-18:01

2 stops16h 26m

Washington, D.C. Dulles Intl

Mon 10/3

13:52-14:10

2 stops20h 18m

£683

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Mon 3/3

06:30-15:45

1 stop14h 15m

Washington, D.C. Dulles Intl

Mon 10/3

18:35-21:00

1 stop22h 25m

£691

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Mon 3/3

06:30-16:45

2 stops15h 15m

Washington, D.C. Reagan-National

Mon 10/3

16:30-16:50

2 stops20h 20m

£696

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 21 results

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?

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

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

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.

To help decide which airline to fly from Belfast to Washington, D.C., see what other customers have to say about KLM, American Airlines and Delta. 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

8,604 reviews

Check prices

Reviews

1 / 10

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

Delta

8.0

Very Good

8,604 reviews

Delta

8.0

Very Good

8,604 reviews

Check prices

Reviews

1 / 10

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

KLM

7.8

Good

1,349 reviews

Delta

8.0

Very Good

8,604 reviews

Check prices

Reviews

1 / 10

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

Finnair

7.7

Good

1,285 reviews

Delta

8.0

Very Good

8,604 reviews

Check prices

Reviews

1 / 10

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

Virgin Atlantic

7.5

Good

668 reviews

Delta

8.0

Very Good

8,604 reviews

Check prices

Reviews

1 / 10

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

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

8,604 reviews

Check prices

Reviews

1 / 10

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

Related info for your journey

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 - Baltimore/Washington, Belfast Intl - Washington, D.C. Dulles Intl or Belfast City - 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 £938). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Belfast to Washington, D.C.

Belfast Intl to Dulles Intl flights

Belfast City to Reagan-National flights

Belfast City to Dulles Intl flights

Complete your trip

Washington, D.C. car hire

Washington, D.C. Dulles Intl Airport car hire

Baltimore/Washington Airport car hire

Washington, D.C. Reagan-National Airport car hire

Georgetown car hire

Dupont Circle car hire

Capitol Hill car hire

Foggy Bottom - West End car hire

Southwest Waterfront car hire

Columbia Heights car hire

Shaw car hire

Petworth car hire

Direct flights to United States

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Baltimore to Atlanta flights

Washington, D.C. Dulles Intl Airport to London Heathrow Airport flights

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

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£719	Average£753	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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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Cheap flights from Belfast to Washington, D.C. from £606

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/1. Fares are subject to change and may not be available on all flights or dates of travel.

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

Round-trip from

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

Best flights from Belfast to Washington, D.C.Discover carefully curated flight deals from Belfast to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 December 2024.

Discover carefully curated flight deals from Belfast to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 December 2024.

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

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.

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 19 December 2024.

Rainfall in Washington, D.C. by month

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

Temperature in Washington, D.C. by month

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

Reviews of airlines servicing Washington, D.C.

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.?

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

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

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

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

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 to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

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Best flights from Belfast to Washington, D.C.
Discover carefully curated flight deals from Belfast to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 December 2024.