How do I get Price Alerts for flights from Belfast Intl Airport to Washington, D.C.?

Price Alerts will notify you by email when the price for flights to Washington, D.C. from Belfast Intl Airport 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 Belfast Intl Airport to Washington, D.C. 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?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

How old do you have to be to fly from Belfast Intl Airport to Washington, D.C.?

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 Belfast Intl Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The required travel and health documents for your Washington, D.C. 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.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$676 Discover Cheap Flights from Belfast Intl Airport to Washington, D.C. in 2025

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Find the cheapest flights from Belfast Intl Airport to Washington, D.C.

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Cheap round-trip flights

These are some of the best round-trip flight deals from Belfast Intl Airport to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.

9:05 am - 7:20 pmBFS-IAD

15h 15m2 stops

8:30 pm - 7:05 pmIAD-BFS

17h 35m2 stops

$923

Find Deal

Wed, Apr 9 - Wed, Apr 16

9:55 pm - 7:20 pmBFS-IAD

26h 25m3 stops

8:25 am - 4:15 pmIAD-BFS

26h 50m3 stops

$1,048

Find Deal

Wed, Apr 9 - Wed, Apr 16

7:25 am - 7:20 pmBFS-IAD

40h 55m3 stops

6:10 pm - 2:40 pmIAD-BFS

15h 30m2 stops

$1,082

Find Deal

Wed, Apr 9 - Wed, Apr 16

When to book flights from Belfast Intl Airport to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Belfast Intl Airport to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Belfast Intl Airport to Washington, D.C. (BFS to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to Washington, D.C.

Best Price Found	$923
Fastest flight time	15h 15m
Direct flights	None
Airports in Washington, D.C.	1 airport

The best flight deal from Belfast Intl Airport to Washington, D.C. found on momondo in the last 72 hours is $923

The fastest flight from Belfast Intl Airport to Washington, D.C. takes 15h 15m

There are no direct flights from Belfast Intl Airport to Washington, D.C.. Popular non-direct route for this connection is Belfast Intl Airport - Washington, D.C. Dulles Intl Airport.

There is 1 airport near Washington, D.C.: Washington, D.C. Dulles Intl (IAD)

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How far is Belfast Intl to Washington, D.C. by plane?
The straight-line distance from Belfast Intl to Washington, D.C. is 3361.5 mi. In terms of flight time, this usually takes a little over 15h 15m.
When did momondo last update prices for flights from Belfast Intl Airport to Washington, D.C.?
Prices for flights from Belfast Intl Airport to Washington, D.C. are updated daily.
How old do you have to be to fly from Belfast Intl Airport to Washington, D.C.?
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 Belfast Intl Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The required travel and health documents for your Washington, D.C. 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.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

How do I get Price Alerts for flights from Belfast Intl Airport to Washington, D.C.?
Price Alerts will notify you by email when the price for flights to Washington, D.C. from Belfast Intl Airport 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 Belfast Intl Airport to Washington, D.C. 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?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Alexandria

Arlington

Gettysburg

Laurel

National Harbor

Silver Spring

Woodbridge

Fredericksburg

Manassas

Tysons

Waldorf

Gaithersburg

Linthicum Heights

Glen Burnie

Rockville

Fairfax

Towson

Hanover

Reston

Hyattsville

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Belfast to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

All flight searches from Belfast to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Belfast to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Belfast to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.