HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Washington, D.C. (WAS) to Belfast Intl (BFS) from $278

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
WAS — BFS
May 19 — May 261
From?
To?
Sun 5/19
Sun 5/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Belfast Intl (BFS). 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 May 14, 2024.

Popular in

December

Cheapest in

September

Round-trip from

$640

One-way from

$278
High demand for flights, 29% potential price rise
Search Deals
Best time to find cheap flights, 19% potential price drop
Search Deals
From Washington, D.C. (WAS) to Belfast Intl
Search Deals
One-way flight from Washington, D.C. (WAS) to Belfast Intl
Search Deals

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

Monday is generally a great day to depart. Flying on this day could help you save up to 24%.

What is the cheapest month to fly from Washington, D.C. to Belfast Intl Airport?

Our data shows that September tends to be the cheapest month to fly to Belfast Intl Airport from Washington, D.C.. Users have commonly found prices around $840 for the month, but tickets can be as low as $678. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Washington, D.C. to Belfast Intl Airport (WAS - BFS)?

It’s typically best to fly out from Washington, D.C. to Belfast Intl Airport in the morning. Doing so could potentially save you 16% on the flight price compared to flying at noon, which is usually more expensive.

Cheap Washington, D.C. to Belfast Intl flights in May & June 2024

Find cheap flight options from Washington, D.C. to Belfast Intl specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,632,958 searches. Prices were last updated on May 14, 2024.
Fri 5/319:20 amBWI - BFS
2 stops28h 55mMultiple Airlines
Sun 6/910:10 pmBFS - BWI
2 stops24h 30mMultiple Airlines
Deal found 5/13$956
Wed 6/128:18 amBWI - BFS
3 stops24h 22mMultiple Airlines
Wed 6/199:40 pmBFS - BWI
2 stops25h 00mMultiple Airlines
Deal found 5/13$970
Sat 6/15:17 pmIAD - BFS
2 stops23h 23mMultiple Airlines
Sun 6/910:10 pmBFS - IAD
2 stops24h 30mMultiple Airlines
Deal found 5/13$987
Sat 6/16:50 pmBWI - BFS
2 stops23h 25mMultiple Airlines
Sat 6/86:00 amBFS - BWI
2 stops16h 40mMultiple Airlines
Deal found 5/14$987
Fri 5/315:17 pmIAD - BFS
2 stops15h 08mMultiple Airlines
Sun 6/910:10 pmBFS - IAD
2 stops24h 30mMultiple Airlines
Deal found 5/13$1,013
Tue 6/188:24 amIAD - BFS
2 stops27h 31mMultiple Airlines
Sun 6/3010:10 pmBFS - IAD
2 stops24h 30mMultiple Airlines
Deal found 5/13$1,022
Sat 6/18:24 amBWI - BFS
3 stops33h 51mMultiple Airlines
Sun 6/910:10 pmBFS - BWI
2 stops24h 30mMultiple Airlines
Deal found 5/13$1,036
Wed 6/196:50 pmIAD - BFS
2 stops21h 10mMultiple Airlines
Sun 6/3010:10 pmBFS - IAD
2 stops24h 30mMultiple Airlines
Deal found 5/13$1,041
Wed 6/125:17 pmIAD - BFS
2 stops18h 23mMultiple Airlines
Wed 6/199:40 pmBFS - IAD
2 stops25h 00mMultiple Airlines
Deal found 5/13$1,054

Washington, D.C. to Belfast Intl 2024 flight deals

Discover exclusive flight deals for travel between Washington, D.C. and Belfast Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
Fri 5/319:20 amBWI - BFS
2 stops28h 55mMultiple Airlines
Sun 6/910:10 pmBFS - BWI
2 stops24h 30mMultiple Airlines
Deal found 5/13$956
Wed 6/128:18 amBWI - BFS
3 stops24h 22mMultiple Airlines
Wed 6/199:40 pmBFS - BWI
2 stops25h 00mMultiple Airlines
Deal found 5/13$970
Sat 6/15:17 pmIAD - BFS
2 stops23h 23mMultiple Airlines
Sun 6/910:10 pmBFS - IAD
2 stops24h 30mMultiple Airlines
Deal found 5/13$987
Sat 6/16:50 pmBWI - BFS
2 stops23h 25mMultiple Airlines
Sat 6/86:00 amBFS - BWI
2 stops16h 40mMultiple Airlines
Deal found 5/14$987
Fri 5/315:17 pmIAD - BFS
2 stops15h 08mMultiple Airlines
Sun 6/910:10 pmBFS - IAD
2 stops24h 30mMultiple Airlines
Deal found 5/13$1,013
Tue 6/188:24 amIAD - BFS
2 stops27h 31mMultiple Airlines
Sun 6/3010:10 pmBFS - IAD
2 stops24h 30mMultiple Airlines
Deal found 5/13$1,022
Sat 6/18:24 amBWI - BFS
3 stops33h 51mMultiple Airlines
Sun 6/910:10 pmBFS - BWI
2 stops24h 30mMultiple Airlines
Deal found 5/13$1,036
Wed 6/196:50 pmIAD - BFS
2 stops21h 10mMultiple Airlines
Sun 6/3010:10 pmBFS - IAD
2 stops24h 30mMultiple Airlines
Deal found 5/13$1,041
Wed 6/125:17 pmIAD - BFS
2 stops18h 23mMultiple Airlines
Wed 6/199:40 pmBFS - IAD
2 stops25h 00mMultiple Airlines
Deal found 5/13$1,054

Washington, D.C. to Belfast Intl flights leaving soon

Find last-minute flight options from Washington, D.C. to Belfast Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
Tue 5/219:15 pmBWI - BFS
1 stop30h 15mMultiple Airlines
Thu 5/239:00 pmBFS - BWI
2 stops40h 03mMultiple Airlines
Deal found 5/14$1,004
Tue 5/219:15 pmBWI - BFS
1 stop30h 15mMultiple Airlines
Fri 5/2410:00 pmBFS - BWI
2 stops28h 05mMultiple Airlines
Deal found 5/14$1,049
Tue 5/216:50 pmBWI - BFS
2 stops13h 55mMultiple Airlines
Thu 5/239:45 pmBFS - BWI
3 stops24h 55mMultiple Airlines
Deal found 5/14$1,130
Tue 5/218:24 amBWI - BFS
3 stops24h 41mMultiple Airlines
Thu 5/239:45 pmBFS - BWI
3 stops24h 55mMultiple Airlines
Deal found 5/14$1,144
Tue 5/216:50 pmBWI - BFS
2 stops13h 55mMultiple Airlines
Fri 5/246:50 amBFS - BWI
2 stops15h 50mMultiple Airlines
Deal found 5/14$1,233
Tue 5/216:50 pmBWI - BFS
2 stops13h 55mMultiple Airlines
Thu 5/236:40 amBFS - BWI
2 stops16h 00mMultiple Airlines
Deal found 5/14$1,346
Fri 5/246:00 pmIAD - BFS
2 stops21h 55mMultiple Airlines
Mon 5/271:35 pmBFS - IAD
2 stops31h 40mMultiple Airlines
Deal found 5/13$1,363
Mon 5/208:30 pmBWI - BFS
2 stops20h 55mMultiple Airlines
Thu 5/236:40 amBFS - BWI
2 stops16h 00mMultiple Airlines
Deal found 5/14$1,442
Tue 5/218:24 amBWI - BFS
3 stops24h 41mMultiple Airlines
Fri 5/246:50 amBFS - BWI
2 stops15h 50mMultiple Airlines
Deal found 5/14$1,471

One-way flights to Belfast Intl from Washington, D.C.

Search for one-way flight options from Washington, D.C. to Belfast Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
Sun 9/83:25 pmBWI - BFS
2 stops19h 25mMultiple Airlines
Deal found 5/13$278
Sun 9/86:50 pmIAD - BFS
2 stops18h 15mMultiple Airlines
Deal found 5/13$344
Sun 9/88:24 amBWI - BFS
3 stops22h 46mMultiple Airlines
Deal found 5/13$532

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

Customize your flight search to find flights from Washington, D.C. to Belfast Intl 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 2,632,958 searches. Data last updated May 14, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$780 - $956

Route

Depart

Return

Price

Washington, D.C. Dulles IntlBelfast Intl

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Mon 9/2

2 stops22h 35m

Belfast Intl

Mon 12/16

2 stops25h 00m

$780

Baltimore/WashingtonBelfast Intl

BWI - BFS

BWIBFS

Baltimore/Washington

Mon 9/2

2 stops13h 45m

Belfast Intl

Mon 12/16

2 stops25h 00m

$791

Washington, D.C. Dulles IntlBelfast Intl

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Mon 9/2

2 stops22h 35m

Belfast Intl

Tue 12/17

3 stops25h 00m

$884

Washington, D.C. Dulles IntlBelfast Intl

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Mon 9/2

2 stops20h 35m

Belfast Intl

Mon 12/16

3 stops24h 50m

$917

Baltimore/WashingtonBelfast Intl

BWI - BFS

BWIBFS

Baltimore/Washington

Mon 9/2

2 stops13h 45m

Belfast Intl

Mon 12/16

3 stops24h 50m

$922

Washington, D.C. Dulles IntlBelfast Intl

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Mon 9/2

2 stops22h 35m

Belfast Intl

Tue 12/17

2 stops15h 55m

$930

Baltimore/WashingtonBelfast Intl

BWI - BFS

BWIBFS

Baltimore/Washington

Mon 9/2

2 stops22h 35m

Belfast Intl

Tue 12/17

2 stops15h 55m

$930

Baltimore/WashingtonBelfast Intl

BWI - BFS

BWIBFS

Baltimore/Washington

Fri 7/12

2 stops13h 45m

Belfast Intl

Sun 7/21

2 stops15h 40m

$950

Baltimore/WashingtonBelfast Intl

BWI - BFS

BWIBFS

Baltimore/Washington

Fri 5/31

2 stops28h 55m

Belfast Intl

Sun 6/9

2 stops24h 30m

$956

Flights are sorted by cheapest first

Deals found on 5/14

When is the cheapest time to fly from Washington, D.C. to Belfast Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Belfast Intl. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. to Belfast Intl Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Belfast Intl by month

Plan your trip from Washington, D.C. to Belfast Intl by taking into account the cheapest months to travel. The average price of a one-way flight from Washington, D.C. to Belfast Intl is currently $385 while a round-trip flight costs $896. Price data was last updated on May 12, 2024.

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Belfast Intl Airport (average of $641). Flying from Washington, D.C. to Belfast Intl Airport in June is currently the most expensive (average of $1,181). 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.

January

$685

February

$641

March

$690

April

$673

May

$788

June

$1,181

July

$991

August

$863

September

$759

October

$684

November

$658

December

$733

Temperature and rainfall in Belfast Intl by month

Plan your trip to Belfast Intl by taking into account the average temperature and rainfall totals by month.

BFS

Temperature

41 - 60.8 °F

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Washington, D.C. to Belfast Intl Airport for under $800 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. to Belfast Intl Airport for under $800. The cheapest flight booked recently is on Multiple Airlines for just $780, but on average you can expect to pay $966.

  • Are there last-minute flights available from Washington, D.C. to Belfast Intl Airport for under $1,100?

    There are currently 12+ open flights from Washington, D.C. to Belfast Intl Airport within the next 7 days for less than $1,100.

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

    Most travelers choose Washington, D.C. Dulles Intl - Belfast Intl, Baltimore/Washington - Belfast Intl or Washington, D.C. Reagan-National - Belfast Intl when deciding on the best route from Washington, D.C. to Belfast Intl Airport.

  • What does IAD to BFS mean?

    Washington, D.C. Dulles Intl Airport is IAD and Belfast Intl Airport is BFS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Washington, D.C. to Belfast Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Washington, D.C. to Belfast Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Washington, D.C. to Belfast Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Washington, D.C. to Belfast Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

    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 Intl.

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

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

  • Can I find deals for flights from Washington, D.C. to Belfast Intl that allow pets onboard?

    Many airlines flying from Washington, D.C. to Belfast Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Washington, D.C. to Belfast Intl?

    Yes, you can often find last-minute deals on Washington, D.C. to Belfast Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. to Belfast Intl Airport flight deals updated?

    The Washington, D.C. to Belfast Intl Airport flight deals you see on this page were last updated on 5/14.

See more FAQs

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 Washington, D.C. to Belfast Intl
See prices for flight routes from nearby airports that may be better suited for you.

Dulles Intl to Belfast Intl flights
Reagan-National to Belfast Intl flights
Dulles Intl to Belfast City flights
Reagan-National to Belfast City flights

Top 2 airlines flying from Washington, D.C. to Belfast Intl

Discover the top 2 airlines that operate flights from Washington, D.C. to Belfast Intl. 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 2,632,958 searches. Data last updated May 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$626Average$754FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
British AirwaysCheapest$626Average$899FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Baltimore to Orlando flights
Washington, D.C. to Los Angeles flights
Newark Airport to New Delhi flights
Newark Airport to Aruba flights
Los Angeles to Rome flights
Chicago to London flights
Denver to Minneapolis flights
USA to Bali flights
Orlando to Newark Airport flights
Las Vegas to Hawaii flights
New York to Lisbon flights
Washington, D.C. to Buri Ram flights

Search flights from Washington, D.C. to Belfast Intl by cabin class

Find flights from Washington, D.C. to Belfast Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Montes Claros
Flights to Girona Costa Brava
Flights to Naxos
Flights to Bourgas
Flights to Hyannis Barnstable
Flights to Samos
Flights to Reggio Calabria Tito Menniti
Flights to Devils Lake
Flights to Ningbo Lishe Intl
Flights to Pellston Emmet County
Flights to Provincetown
Flights to Cortez Montezuma County
Flights to Ohrid
Flights to Oran Es Senia
Flights to Menorca/Mahon
Flights to Hakodate
Flights to Ordu/Giresun
Flights to Laayoune Hassan I
Flights to Cornwall Newquay
Flights to Melilla
Flights to Rennes St Jacques
Flights to Parikia Paros
Flights to Constanţa Mihail Kogalniceanu
Flights to Miyakojima Hirara

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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 Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Washington, D.C. to Belfast Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

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 Intl from Washington, D.C..

Can Cheapflights find flights from Washington, D.C. to Belfast Intl 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 Intl, 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 Intl become cheaper?

Of course! You can now track prices for flights from Washington, D.C. to Belfast Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines