In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

When flying from Belfast to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 vacation 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.

$591+ Flights from Belfast to Washington, D.C. Reagan-National Airport

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Cheap flight deals from Belfast to Reagan-National

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 January 29, 2026.

Thu 2/511:05 am

BHD

DCA

2 stops17h 29m

British Airways

Mon 2/93:30 pm

DCA

BHD

2 stops14h 10m

British Airways

Deal found 1/26

$796

Wed 2/1812:25 pm

BHD

DCA

2 stops16h 25m

British Airways

Sun 2/2210:45 pm

DCA

BHD

2 stops30h 55m

British Airways

Deal found 1/28

$1,003

Thu 2/126:35 am

BHD

DCA

2 stops19h 08m

British Airways

Mon 2/161:44 pm

DCA

BHD

2 stops14h 21m

British Airways

Deal found 1/27

$1,040

Sun 3/156:30 am

BFS

DCA

2 stops19h 26m

Multiple Airlines

Sun 3/224:10 pm

DCA

BFS

2 stops17h 50m

Multiple Airlines

Deal found 1/29

$1,395

Sun 3/15:20 pm

BHD

DCA

2 stops52h 07m

Multiple Airlines

Fri 3/611:05 am

DCA

BHD

2 stops24h 45m

Multiple Airlines

Deal found 1/29

$5,549

Best flights from Belfast to Reagan-National
Discover carefully curated flight deals from Belfast to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 29, 2026.

Thu 2/1210:40 am

BHD

DCA

2 stops18h 10m

British Airways

Mon 2/164:34 pm

DCA

BHD

2 stops13h 06m

British Airways

Deal found 1/26

$796

Sun 3/156:30 am

BFS

DCA

2 stops19h 26m

Multiple Airlines

Sun 3/224:10 pm

DCA

BFS

2 stops17h 50m

Multiple Airlines

Deal found 1/29

$1,395

Wed 2/1812:25 pm

BHD

DCA

2 stops16h 25m

British Airways

Sun 2/2210:45 pm

DCA

BHD

2 stops30h 55m

British Airways

Deal found 1/28

$1,003

Sun 3/15:20 pm

BHD

DCA

2 stops52h 07m

Multiple Airlines

Fri 3/611:05 am

DCA

BHD

2 stops24h 45m

Multiple Airlines

Deal found 1/29

$5,549

Last-minute flights from Belfast to Reagan-National
Discover last-minute flight deals from Belfast to Reagan-National. Data last updated January 29, 2026 and is based on user searches.

Thu 2/511:05 am

BHD

DCA

2 stops17h 29m

British Airways

Mon 2/93:30 pm

DCA

BHD

2 stops14h 10m

British Airways

Deal found 1/26

$796

Thu 2/126:35 am

BHD

DCA

2 stops19h 08m

British Airways

Mon 2/161:44 pm

DCA

BHD

2 stops14h 21m

British Airways

Deal found 1/27

$1,040

Wed 2/1812:25 pm

BHD

DCA

2 stops16h 25m

British Airways

Sun 2/2210:45 pm

DCA

BHD

2 stops30h 55m

British Airways

Deal found 1/28

$1,003

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 January 29, 2026.

Fri 3/136:30 am

BFS

DCA

2 stops17h 15m

Multiple Airlines

Deal found 1/27

$591

Sun 7/1210:10 am

BHD

DCA

3 stops41h 41m

Multiple Airlines

Deal found 1/28

$817

Sun 7/128:10 pm

BHD

DCA

2 stops26h 53m

British Airways

Deal found 1/28

$857

Sun 7/129:25 pm

BFS

DCA

3 stops30h 26m

Multiple Airlines

Deal found 1/28

$896

Find flight deals from Belfast to Reagan-National

Round-trip from	$796 (British Airways)
One-way from	$591 (Booking.com)

From Belfast to Washington, D.C. Reagan-National

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One-way flight from Belfast to Washington, D.C. Reagan-National

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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 2/12

10:40 am-11:50 pm

2 stops18h 10m

Washington, D.C. Reagan-National

Mon 2/16

4:34 pm-10:40 am

2 stops13h 06m

$796

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 2/18

12:25 pm-11:50 pm

2 stops16h 25m

Washington, D.C. Reagan-National

Sun 2/22

10:45 pm-10:40 am

2 stops30h 55m

$1,003

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Sun 3/15

6:30 am-9:56 pm

2 stops19h 26m

Washington, D.C. Reagan-National

Sun 3/22

4:10 pm-2:00 pm

2 stops17h 50m

$1,395

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sun 3/1

5:20 pm-4:27 pm

2 stops52h 07m

Washington, D.C. Reagan-National

Fri 3/6

11:05 am-4:50 pm

2 stops24h 45m

$5,549

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Fri 3/13

6:30 am-7:45 pm

2 stops17h 15m

$591

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sun 7/12

10:10 am-10:51 pm

3 stops41h 41m

$817

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sun 7/12

8:10 pm-6:03 pm

2 stops26h 53m

$857

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Sun 7/12

9:25 pm-10:51 pm

3 stops30h 26m

$896

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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.

Estimated round-trip 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

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Related info for your journey

How long is the flight from Belfast to Washington, D.C. Reagan-National Airport?
There are many flights that can get you from Belfast to Washington, D.C. Reagan-National Airport in 18h 10m. Fly via British Airways to get the fastest option. Airlines will cover a distance of 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 vacation 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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$591+ Cheap flights from Belfast to Reagan-National (DCA)

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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Belfast to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 January 29, 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 January 29, 2026.

Find flight deals from Belfast to Reagan-National

Round-trip from

One-way from

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

Related info for your journey

Find useful and relevant information for your journey from Belfast to Reagan-National. 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 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?

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

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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 January 29, 2026.