In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport 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. Reagan-National Airport when rainfall is around 66.0 mm.

If weather is an important factor for your trip to Washington, D.C. Reagan-National 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 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).

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

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

Can I find deals for flights from Belfast to Reagan-National that include hotel bookings?

Yes. In addition to deals on Belfast to Reagan-National flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Belfast to Reagan-National?

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

Can I find deals for business class flights from Belfast to Reagan-National?

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

£398+ Cheap Flights from Belfast to Washington, D.C. Reagan-National Airport

Cheap flight deals from Belfast to Reagan-National

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Cheapest flights from Belfast to Reagan-National
Explore the most affordable flight options available from Belfast to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 August 2026.

Thu 5/1106:30 -

2 stops15h 49m

Mon 9/1114:54 -

2 stops14h 56m

Deal found 16/8£695

Find flight deals from Belfast to Reagan-National

Round-trip from	£695
One-way from	£398

British Airways
5/11-9/11
4 total stops
30h 45m total
Belfast to Washington, D.C.

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5/10
2 total stops
25h 40m total
Belfast to Washington, D.C.

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

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Cheapest return flight

BelfastWashington, D.C.

BHD Belfast City - DCA Washington, D.C. Reagan-National

BHDDCA

Belfast City

Tue 10/11

10:00-21:59

2 stops16h 59m

Washington, D.C. Reagan-National

Sat 14/11

21:59-10:45

2 stops31h 46m

£695

Fastest return journey

BelfastWashington, D.C.

BHD Belfast City - DCA Washington, D.C. Reagan-National

BHDDCA

Belfast City

Thu 5/11

06:30-17:19

2 stops15h 49m

Washington, D.C. Reagan-National

Mon 9/11

14:54-10:50

2 stops14h 56m

£695

Cheapest one-way

BelfastWashington, D.C.

BFS Belfast Intl - DCA Washington, D.C. Reagan-National

BFSDCA

Belfast Intl

Mon 5/10

21:35-21:50

3 stops29h 15m

£404

Fastest single journey

BelfastWashington, D.C.

BHD Belfast City - DCA Washington, D.C. Reagan-National

BHDDCA

Belfast City

Mon 5/10

09:40-20:59

2 stops16h 19m

£433

BelfastWashington, D.C.

BHD Belfast City - DCA Washington, D.C. Reagan-National

BHDDCA

Belfast City

Mon 5/10

07:00-21:50

3 stops43h 50m

£449

Flights are sorted by cheapest return flights first.

Deals found on 15/8

Sorted by cheapest first

Best time to book a flight from Belfast to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Belfast with our price prediction graph.

BF1-DCA

BHD-DCA

BFS-DCA

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.

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Everything you need to know about your flight from Belfast to Washington, D.C. Reagan-National Airport

BF1-DCA

BHD-DCA

BFS-DCA

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

Related info for your journey

How long is the flight from Belfast to Washington, D.C. Reagan-National Airport?
A quick flight from Belfast to Washington, D.C. Reagan-National Airport can take about 16h 59m. British Airways provides one of the quickest options available for as low as £695. The distance from Belfast to Washington, D.C. Reagan-National Airport is about 3378 mi.
Can I find deals for flights from Belfast to Reagan-National that include hotel bookings?
Yes. In addition to deals on Belfast to Reagan-National flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Reagan-National.
Can I find deals for business class flights from Belfast to Reagan-National?
Yes. Cheapflights offers flight deals from Belfast to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheap flights from Belfast to Washington, D.C. Reagan-National Airport from £398

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast to Reagan-National

Cheapest flights from Belfast to Reagan-NationalExplore the most affordable flight options available from Belfast to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 August 2026.

Explore the most affordable flight options available from Belfast to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 August 2026.

Best flights from Belfast to Reagan-NationalDiscover carefully curated flight deals from Belfast to Reagan-National that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 August 2026.

Discover carefully curated flight deals from Belfast to Reagan-National that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 August 2026.

One-way flights from Belfast to Reagan-NationalSearch for one-way flight options from Belfast to Reagan-National. Find affordable one-way fares based on user searches. Data last updated 20 August 2026.

Search for one-way flight options from Belfast to Reagan-National. Find affordable one-way fares based on user searches. Data last updated 20 August 2026.

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Best time to book a flight from Belfast to Reagan-National

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Related info for your journey

How long is the flight from Belfast to Washington, D.C. Reagan-National Airport?

Can I find deals for flights from Belfast to Reagan-National that include hotel bookings?

How can I find direct flights from Belfast to Reagan-National?

Can I find deals for business class flights from Belfast to Reagan-National?

Travelling to a place near Washington, D.C. Reagan-National Airport?

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Alternative routes for Belfast to Reagan-National

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Complete your trip

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

Direct flights to District of Columbia

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Belfast and Reagan-National flights

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Can Cheapflights find flights from Belfast to Reagan-National with no change fees?

Can Cheapflights notify me if prices for flights from Belfast to Reagan-National become cheaper?

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Cheapest flights from Belfast to Reagan-National
Explore the most affordable flight options available from Belfast to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 August 2026.

Best flights from Belfast to Reagan-National
Discover carefully curated flight deals from Belfast to Reagan-National that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 August 2026.

One-way flights from Belfast to Reagan-National
Search for one-way flight options from Belfast to Reagan-National. Find affordable one-way fares based on user searches. Data last updated 20 August 2026.