How long is the flight from Washington, D.C. to Belfast?

British Airways can get you from Washington, D.C. to Belfast in just under 10h 55m. Your travel time can differ by up to . Airlines will cover a distance of 3390 mi.

In terms of precipitation, rainfall in Belfast ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Belfast, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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

The most popular flight routes from Washington, D.C. to Belfast are Baltimore/Washington - Belfast Intl, Washington, D.C. Reagan-National - Belfast Intl and Washington, D.C. Dulles Intl - Belfast Intl.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Belfast as you normally would.

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

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

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Belfast.

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

Yes. Cheapflights offers flight deals from Washington, D.C. to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£184+ Flights from Washington, D.C. to Belfast

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

Enter your travel dates to find the best prices.

Cheapest flights from Washington, D.C. to Belfast
Explore the most affordable flight options available from Washington, D.C. to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 December 2025.

Sun 28/1213:44DCA - BHD

2 stops15h 36mBritish Airways

Fri 2/114:50BHD - DCA

2 stops24h 20mBritish Airways

Deal found 25/12£1,191

Best flights from Washington, D.C. to Belfast
Discover carefully curated flight deals from Washington, D.C. to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 December 2025.

Wed 15/420:30BWI - BFS

2 stops18h 10mMultiple Airlines

Wed 22/408:15BFS - BWI

2 stops40h 10mMultiple Airlines

Deal found 25/12£422

Wed 28/118:20IAD - BHD

1 stop10h 55mBritish Airways

Wed 4/211:25BHD - IAD

1 stop13h 30mBritish Airways

Deal found 23/12£458

Thu 5/312:24IAD - BHD

2 stops23h 26mDelta

Thu 12/306:30BHD - IAD

1 stop14h 35mDelta

Deal found 23/12£496

Wed 28/115:42IAD - BHD

2 stops20h 08mKLM

Wed 4/217:20BHD - IAD

1 stop27h 45mKLM

Deal found 23/12£496

Mon 2/219:40IAD - BFS

2 stops19h 30mMultiple Airlines

Mon 9/206:30BFS - IAD

2 stops17h 00mMultiple Airlines

Deal found 24/12£457

Mon 16/322:45IAD - BHD

1 stop13h 20mBritish Airways

Sun 22/320:25BHD - IAD

1 stop24h 10mBritish Airways

Deal found 23/12£458

Mon 16/319:59IAD - BHD

2 stops16h 41mKLM

Sun 22/317:20BHD - IAD

1 stop27h 45mKLM

Deal found 23/12£496

Thu 5/321:45IAD - BHD

1 stop13h 55mBritish Airways

Thu 12/306:35BHD - IAD

1 stop14h 00mBritish Airways

Deal found 23/12£458

Fri 23/120:35BWI - BHD

1 stop12h 40mBritish Airways

Fri 30/111:30BHD - BWI

1 stop12h 15mBritish Airways

Deal found 25/12£460

Fri 6/219:40IAD - BFS

3 stops22h 05mMultiple Airlines

Fri 13/206:00BFS - IAD

3 stops38h 15mMultiple Airlines

Deal found 23/12£541

Mon 27/421:30BWI - BHD

1 stop10h 25mBritish Airways

Mon 4/509:50BHD - BWI

1 stop14h 50mBritish Airways

Deal found 25/12£472

Sun 8/222:30IAD - BFS

2 stops16h 45mMultiple Airlines

Sun 15/210:45BFS - IAD

3 stops33h 30mMultiple Airlines

Deal found 25/12£574

Wed 4/321:45IAD - BHD

1 stop11h 30mBritish Airways

Sun 8/315:10BHD - IAD

1 stop29h 25mBritish Airways

Deal found 22/12£477

Mon 16/318:14DCA - BHD

2 stops16h 01mBritish Airways

Sun 22/315:10BHD - DCA

2 stops22h 50mBritish Airways

Deal found 24/12£477

Fri 6/219:40BWI - BFS

2 stops12h 25mMultiple Airlines

Fri 13/210:35BFS - BWI

2 stops13h 05mMultiple Airlines

Deal found 23/12£580

Fri 23/118:34DCA - BHD

2 stops14h 41mBritish Airways

Fri 30/106:45BHD - DCA

2 stops15h 23mBritish Airways

Deal found 25/12£477

Fri 23/116:15DCA - BHD

3 stops23h 35mMultiple Airlines

Fri 30/107:00BHD - DCA

3 stops17h 45mMultiple Airlines

Deal found 25/12£581

Fri 27/222:29DCA - BHD

2 stops28h 46mBritish Airways

Sat 7/318:00BHD - DCA

2 stops28h 48mBritish Airways

Deal found 25/12£477

Sat 7/211:05DCA - BFS

3 stops26h 45mMultiple Airlines

Sat 14/206:00BFS - DCA

3 stops31h 55mMultiple Airlines

Deal found 23/12£602

Fri 27/220:35BWI - BHD

1 stop12h 40mBritish Airways

Sun 8/310:40BHD - BWI

1 stop13h 05mBritish Airways

Deal found 25/12£478

Thu 26/220:35BWI - BHD

1 stop12h 25mBritish Airways

Sat 7/309:15BHD - BWI

1 stop14h 30mBritish Airways

Deal found 25/12£478

Sun 1/320:35BWI - BHD

1 stop12h 20mBritish Airways

Sat 7/315:05BHD - BWI

1 stop32h 40mBritish Airways

Deal found 25/12£478

Sun 8/211:05DCA - BFS

2 stops21h 55mMultiple Airlines

Sun 15/206:30BFS - DCA

3 stops31h 25mMultiple Airlines

Deal found 25/12£722

Thu 26/220:35BWI - BHD

1 stop12h 25mBritish Airways

Tue 10/310:00BHD - BWI

1 stop13h 45mBritish Airways

Deal found 25/12£478

Wed 25/220:35BWI - BHD

1 stop12h 40mBritish Airways

Thu 5/310:40BHD - BWI

1 stop13h 05mBritish Airways

Deal found 25/12£478

Wed 25/220:35BWI - BHD

1 stop12h 40mBritish Airways

Tue 10/308:45BHD - BWI

1 stop15h 00mBritish Airways

Deal found 25/12£478

Wed 25/220:35BWI - BHD

1 stop12h 40mBritish Airways

Sat 7/306:35BHD - BWI

1 stop17h 10mBritish Airways

Deal found 25/12£478

Thu 26/220:35BWI - BHD

1 stop12h 25mBritish Airways

Wed 4/315:40BHD - BWI

1 stop32h 05mBritish Airways

Deal found 25/12£478

Thu 26/220:35BWI - BHD

1 stop12h 25mBritish Airways

Fri 6/306:45BHD - BWI

1 stop17h 00mBritish Airways

Deal found 25/12£478

Wed 25/220:35BWI - BHD

1 stop12h 40mBritish Airways

Sun 8/309:10BHD - BWI

1 stop14h 35mBritish Airways

Deal found 25/12£478

Last-minute flights from Washington, D.C. to Belfast
Discover last-minute flight deals from Washington, D.C. to Belfast. Data last updated 26 December 2025 and is based on user searches.

Fri 23/120:35BWI - BHD

1 stop12h 40mBritish Airways

Fri 30/111:30BHD - BWI

1 stop12h 15mBritish Airways

Deal found 25/12£460

Fri 23/118:34DCA - BHD

2 stops14h 41mBritish Airways

Fri 30/106:45BHD - DCA

2 stops15h 23mBritish Airways

Deal found 25/12£477

Fri 23/115:38BWI - BHD

2 stops20h 12mDelta

Fri 30/117:20BHD - BWI

2 stops34h 45mDelta

Deal found 25/12£505

Fri 23/119:40BWI - BFS

3 stops22h 05mMultiple Airlines

Fri 30/106:30BFS - BWI

2 stops22h 17mMultiple Airlines

Deal found 25/12£506

Fri 23/119:40IAD - BFS

3 stops22h 05mMultiple Airlines

Fri 30/106:00BFS - IAD

3 stops38h 15mMultiple Airlines

Deal found 25/12£509

Fri 23/114:46BWI - BHD

2 stops14h 44mAmerican Airlines

Fri 30/108:45BHD - BWI

1 stop15h 00mAmerican Airlines

Deal found 25/12£538

Fri 23/119:40BWI - BHD

3 stops19h 50mMultiple Airlines

Fri 30/107:20BHD - BWI

2 stops21h 27mMultiple Airlines

Deal found 25/12£578

Fri 23/116:15DCA - BHD

3 stops23h 35mMultiple Airlines

Fri 30/107:00BHD - DCA

3 stops17h 45mMultiple Airlines

Deal found 25/12£581

Fri 23/116:15DCA - BFS

3 stops24h 45mMultiple Airlines

Fri 30/107:05BFS - DCA

3 stops17h 40mMultiple Airlines

Deal found 25/12£582

Wed 28/118:20IAD - BHD

1 stop10h 55mBritish Airways

Wed 4/211:25BHD - IAD

1 stop13h 30mBritish Airways

Deal found 23/12£458

Wed 28/113:08IAD - BHD

2 stops16h 07mAmerican Airlines

Wed 4/206:35BHD - IAD

2 stops15h 41mAmerican Airlines

Deal found 23/12£486

Wed 28/115:42IAD - BHD

2 stops20h 08mKLM

Wed 4/217:20BHD - IAD

1 stop27h 45mKLM

Deal found 23/12£496

One-way flights from Washington, D.C. to Belfast
Search for one-way flight options from Washington, D.C. to Belfast. Find affordable one-way fares based on user searches. Data last updated 26 December 2025.

Wed 4/222:30IAD - BFS

3 stops41h 35mMultiple Airlines

Deal found 23/12£184

Wed 4/222:30IAD - BHD

2 stops36h 50mMultiple Airlines

Deal found 23/12£208

Wed 4/218:20IAD - BHD

1 stop9h 50mBritish Airways

Deal found 23/12£309

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

Round-trip from	£422
One-way from	£184

15/4-22/4
4 total stops
58h 20m total
Washington, D.C. to Belfast

Search Deals

4/2
3 total stops
41h 35m total
Washington, D.C. to Belfast

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Wed 15/4

20:30-19:40

2 stops18h 10m

Belfast Intl

Wed 22/4

08:15-19:25

2 stops40h 10m

£422

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Mon 2/2

19:40-20:10

2 stops19h 30m

Belfast Intl

Mon 9/2

06:30-18:30

2 stops17h 00m

£457

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 28/1

18:20-10:15

1 stop10h 55m

Belfast City

Wed 4/2

11:25-19:55

1 stop13h 30m

£458

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 16/3

22:45-16:05

1 stop13h 20m

Belfast City

Sun 22/3

20:25-16:35

1 stop24h 10m

£458

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 5/3

21:45-16:40

1 stop13h 55m

Belfast City

Thu 12/3

06:35-16:35

1 stop14h 00m

£458

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Fri 23/1

20:35-14:15

1 stop12h 40m

Belfast City

Fri 30/1

11:30-18:45

1 stop12h 15m

£460

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Mon 27/4

21:30-12:55

1 stop10h 25m

Belfast City

Mon 4/5

09:50-19:40

1 stop14h 50m

£472

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 4/3

21:45-14:15

1 stop11h 30m

Belfast City

Sun 8/3

15:10-16:35

1 stop29h 25m

£477

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 16/3

18:14-14:15

2 stops16h 01m

Belfast City

Sun 22/3

15:10-10:00

2 stops22h 50m

£477

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 23/1

18:34-14:15

2 stops14h 41m

Belfast City

Fri 30/1

06:45-17:08

2 stops15h 23m

£477

Flights are sorted by cheapest return flights first.

Deals found on 23/12

Showing 1-10 of 33 results

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

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

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Washington, D.C. to Belfast?
British Airways can get you from Washington, D.C. to Belfast in just under 10h 55m. Your travel time can differ by up to . Airlines will cover a distance of 3390 mi.
What are the most popular routes from Washington, D.C. to Belfast?
The most popular flight routes from Washington, D.C. to Belfast are Baltimore/Washington - Belfast Intl, Washington, D.C. Reagan-National - Belfast Intl and Washington, D.C. Dulles Intl - Belfast Intl.
Can I find deals for flights from Washington, D.C. to Belfast that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Belfast flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Belfast?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Belfast.
Can I find deals for business class flights from Washington, D.C. to Belfast?
Yes. Cheapflights offers flight deals from Washington, D.C. to Belfast 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

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Londonderry car hire

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

Cheapflights makes it easy to find Washington, D.C. to Belfast 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 Washington, D.C. to Belfast?

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 Belfast from Washington, D.C..

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Washington, D.C. to Belfast, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Washington, D.C. to Belfast flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Washington, D.C. to Belfast from £184

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.

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

Cheapest flights from Washington, D.C. to BelfastExplore the most affordable flight options available from Washington, D.C. to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 December 2025.

Explore the most affordable flight options available from Washington, D.C. to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 December 2025.

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

Round-trip from

One-way from

Cheapflights Fare Finder

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

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

Have a flexible travel schedule? Discover the best time to fly to Belfast from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Belfast

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Belfast. 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 Washington, D.C. to Belfast?

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

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

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

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

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.

Complete your trip

Complete your trip to Belfast by adding a car hire and/or hotel booking to your travel itinerary.

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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 Washington, D.C. to Belfast?

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

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

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

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Cheapest flights from Washington, D.C. to Belfast
Explore the most affordable flight options available from Washington, D.C. to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 December 2025.