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Cheap flights from Belfast Intl Airport to Washington, D.C. from £306

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 18/6. 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.
BFS — WAS
23 Mar — 30 Mar1
1 adult
Sat 23/3
Sat 30/3
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Cheap flight deals from Belfast Intl to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Belfast Intl (BFS) 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 19 March 2024.

Round-trip from

£440

One-way from

£306
From Belfast Intl to Washington, D.C. (WAS)
One-way flight from Belfast Intl to Washington, D.C. (WAS)

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

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

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

When flying from Belfast Intl Airport 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 3% versus a flight in the morning.

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

Search for one-way flight options from Belfast Intl to Washington, D.C.. 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 905,048 searches. Data last updated 19 March 2024.
Tue 18/620:55BFS - IAD
2 stops25h 45mMultiple Airlines
Deal found 17/3£306
Tue 18/617:00BFS - IAD
3 stops29h 40mMultiple Airlines
Deal found 17/3£397

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

Use this chart to determine the cheapest time to fly return from Belfast Intl to Washington, D.C.. Price data was last updated on 17 March 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Belfast Intl Airport to Washington, D.C. flight should consider departing on Tuesday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Washington, D.C. by month

Plan your trip from Belfast Intl to Washington, D.C. by taking into account the cheapest months to travel. The average price of a one-way flight from Belfast Intl to Washington, D.C. is currently £351 while a return flight costs £0. Price data was last updated on 10 March 2024.

Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to Washington, D.C. (average of £598). Flying from Belfast Intl Airport to Washington, D.C. in June is currently the most expensive (average of £837). 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

£470

February

£489

March

£547

April

£526

May

£545

June

£657

July

£643

August

£591

September

£547

October

£504

November

£475

December

£486

Temperature and rainfall in Washington, D.C. by month

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

WAS

Temperature

2 - 27 °C

Related info for your journey

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

  • What does BFS to IAD mean?

    Great question - BFS to IAD just means Belfast Intl Airport to Washington, D.C. Dulles Intl Airport. Now you’ll know what these unique codes when you look for flights! This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA).

Browse thousands of different options on Cheapflights for your next trip

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

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

Discover the top airline that operate flights from Belfast Intl 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 905,048 searches. Data last updated 19 March 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£647Average£781FlexibilityNo cancel feeOn-time70%
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Search flights from Belfast Intl to Washington, D.C. by cabin class

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

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 Intl to Washington, D.C.?

When you search for this flight from Belfast Intl to Washington, D.C., Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Belfast Intl to Washington, D.C. by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes, we can. To see specific flights from Belfast Intl 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 Intl to Washington, D.C. become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Washington, D.C. from Belfast Intl today and book when prices fit your budget.