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Cheap flights from District of Columbia to Belfast Intl Airport from £480

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BFS
26 Feb — 5 Mar1
1 adult

Cheap flight deals from District of Columbia to Belfast Intl

Keep the following information in mind while searching for District of Columbia to Belfast Intl flight deals. Data was last updated 21 February 2025.

Round-trip from

£673

One-way from

£480

Popular in

June

Cheapest in

January

Average price

£547
6/4-13/4
  • 6/4-13/4
  • 5 total stops
  • 44h 50m total
  • District of Columbia to Belfast
17/6
  • 17/6
  • 2 total stops
  • 21h 40m total
  • District of Columbia to Belfast
Highest demand for flights based on searches. 21% potential increase in price (£128 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Average for round-trip flights in February 2025

Find flight deals from District of Columbia to Belfast Intl

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

Sun 6/420:30IAD - BFS
2 stops20h 00mMultiple Airlines
Sun 13/423:30BFS - IAD
3 stops24h 50mMultiple Airlines
Deal found 21/2£673
Sun 6/406:59DCA - BFS
2 stops32h 21mMultiple Airlines
Sun 13/414:55BFS - DCA
3 stops46h 58mMultiple Airlines
Deal found 20/2£903

Find flights from District of Columbia to Belfast Intl within your budget

Customise your flight search to find flights from District of Columbia 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 858,174 searches. Data last updated 21 February 2025.

Fly from

District of Columbia

Fly to

Belfast Intl

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sun 6/4

20:30-21:30

2 stops20h 00m

Belfast Intl

Sun 13/4

23:30-19:20

3 stops24h 50m

£673

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sun 6/4

06:59-20:20

2 stops32h 21m

Belfast Intl

Sun 13/4

14:55-08:53

3 stops46h 58m

£903

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Tue 17/6

20:30-23:10

2 stops21h 40m

£480

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Best time to book a flight from District of Columbia to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from District of Columbia 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 District of Columbia to Belfast Intl

Get recent, data-driven insights about flights from District of Columbia to Belfast Intl including ideal travel times, pricing trends, and more.

Rainfall in Belfast Intl by month

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

In terms of precipitation, rainfall in Belfast Intl Airport 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 Intl Airport when rainfall is around 50.0 mm.

Temperature in Belfast Intl by month

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

If weather is an important factor for your trip to Belfast Intl Airport, 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).

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 deals for flights from District of Columbia to Belfast Intl that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Belfast Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Belfast Intl.

  • Can I find deals for business class flights from District of Columbia to Belfast Intl?

    Yes. Cheapflights offers flight deals from District of Columbia 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.

  • What is the cheapest month to book a flight from District of Columbia to Belfast Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from District of Columbia to Belfast Intl Airport (average of £67). Flying from District of Columbia to Belfast Intl Airport in July is currently the most expensive (average of £90). 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 District of Columbia?

Book flights to District of Columbia if you plan to visit one of these locations
Armagh
Newry
Ballymena
Dungannon
Cookstown

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