How do I get Price Alerts for flights from Northern Ireland to Washington, D.C. Reagan-National Airport?

Price Alerts will notify you by email when the price for flights to Washington, D.C. Reagan-National Airport from Northern Ireland decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

How old do you have to be to fly from Northern Ireland to Washington, D.C. Reagan-National Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Northern Ireland to Washington, D.C. Reagan-National Airport.

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$943 Cheap Flights from Northern Ireland to Washington, D.C. Reagan-National Airport in 2026

Find the cheapest flights from Northern Ireland to Washington, D.C.

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 5:19 pmBHD Belfast City-DCA Washington, D.C. Reagan-National

15h 49m2 stops London Heathrow Philadelphia

2:54 pm - 10:50 amDCA Washington, D.C. Reagan-National-BHD Belfast City

14h 56m2 stops Chicago O'Hare Intl London Heathrow

$943British Airways

Thu, Nov 5 - Mon, Nov 9

6:30 am - 5:19 pmBHD Belfast City-DCA Washington, D.C. Reagan-National

15h 49m2 stops London Heathrow Philadelphia

2:54 pm - 10:50 amDCA Washington, D.C. Reagan-National-BHD Belfast City

14h 56m2 stops Chicago O'Hare Intl London Heathrow

$944British Airways

Thu, Nov 5 - Mon, Nov 9

6:30 am - 5:19 pmBHD Belfast City-DCA Washington, D.C. Reagan-National

15h 49m2 stops London Heathrow Philadelphia

2:54 pm - 10:50 amDCA Washington, D.C. Reagan-National-BHD Belfast City

14h 56m2 stops Chicago O'Hare Intl London Heathrow

$946British Airways

Thu, Nov 5 - Mon, Nov 9

6:30 am - 5:19 pmBHD Belfast City-DCA Washington, D.C. Reagan-National

15h 49m2 stops London Heathrow Philadelphia

2:54 pm - 10:50 amDCA Washington, D.C. Reagan-National-BHD Belfast City

14h 56m2 stops Chicago O'Hare Intl London Heathrow

$949British Airways

Thu, Nov 5 - Mon, Nov 9

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British Airways flights from Northern Ireland to Washington, D.C. Reagan-National Airport

Our best British Airways deals on Northern Ireland to Washington, D.C. Reagan-National Airport flight tickets

British Airways

Nov 5

BHD6:30 amBelfast City

15h 49m

2 stops

DCA5:19 pmWashington, D.C. Reagan-National

Nov 9

DCA2:54 pmWashington, D.C. Reagan-National

14h 56m

2 stops

BHD10:50 amBelfast City

$943

British Airways

Nov 5

BHD6:30 amBelfast City

15h 49m

2 stops

DCA5:19 pmWashington, D.C. Reagan-National

Nov 9

DCA2:54 pmWashington, D.C. Reagan-National

14h 56m

2 stops

BHD10:50 amBelfast City

$944

British Airways

Nov 5

BHD6:30 amBelfast City

15h 49m

2 stops

DCA5:19 pmWashington, D.C. Reagan-National

Nov 9

DCA2:54 pmWashington, D.C. Reagan-National

14h 56m

2 stops

BHD10:50 amBelfast City

$946

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BelfastWashington, D.C.

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

BHDDCA

Belfast City

Thu 11/5

6:30 am-5:19 pm

2 stops15h 49m

Washington, D.C. Reagan-National

Mon 11/9

2:54 pm-10:50 am

2 stops14h 56m

$943

BelfastWashington, D.C.

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

BHDDCA

Belfast City

Thu 11/5

6:30 am-5:19 pm

2 stops15h 49m

Washington, D.C. Reagan-National

Mon 11/9

2:54 pm-10:50 am

2 stops14h 56m

$944

BelfastWashington, D.C.

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

BHDDCA

Belfast City

Thu 11/5

6:30 am-5:19 pm

2 stops15h 49m

Washington, D.C. Reagan-National

Mon 11/9

2:54 pm-10:50 am

2 stops14h 56m

$946

BelfastWashington, D.C.

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

BHDDCA

Belfast City

Thu 11/5

6:30 am-5:19 pm

2 stops15h 49m

Washington, D.C. Reagan-National

Mon 11/9

2:54 pm-10:50 am

2 stops14h 56m

$949

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Northern Ireland to Washington, D.C. Reagan-National Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Washington, D.C. Reagan-National Airport

Best Price Found	$943
Fastest flight time	15h 49m
Direct flights	None

The best flight deal from Northern Ireland to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $943

The fastest flight from Northern Ireland to Washington, D.C. Reagan-National Airport takes 15h 49m

There are no direct flights from Northern Ireland to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Northern Ireland to Washington, D.C. Reagan-National Airport.

Search flight deals

Frequently asked questions about flying from Northern Ireland to Washington, D.C. Reagan-National Airport

When did momondo last update prices for flights from Northern Ireland to Washington, D.C. Reagan-National Airport?
Prices for flights from Northern Ireland to Washington, D.C. Reagan-National Airport were last updated today.
How old do you have to be to fly from Northern Ireland to Washington, D.C. Reagan-National Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Northern Ireland to Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Northern Ireland to Washington, D.C. Reagan-National Airport

How do I get Price Alerts for flights from Northern Ireland to Washington, D.C. Reagan-National Airport?
Price Alerts will notify you by email when the price for flights to Washington, D.C. Reagan-National Airport from Northern Ireland decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Northern Ireland to Washington, D.C. Reagan-National Airport with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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Laurel

Woodbridge

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Fairfax

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Glen Burnie

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Washington, D.C.?

It is quick and easy to find Northern Ireland to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Northern Ireland to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Northern Ireland with this policy.

How can momondo help me find flights from Northern Ireland to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Northern Ireland.

I’m not ready to book a flight from Northern Ireland to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Northern Ireland to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.