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Cheap flights from Belfast City Airport to Washington, D.C. from $794

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast City Airport to Washington, D.C. departing on 11/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Belfast City Airport to Washington, D.C.

Cheap round-trip flights

American Airlines Logo
3:05 pm - 7:55 pmBHD-IAD
33h 50m1 stop
American Airlines Logo
6:20 pm - 10:40 amIAD-BHD
11h 20m1 stop
$794American Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
American Airlines Logo
11:05 am - 11:59 pmBHD-IAD
17h 54m2 stops
American Airlines Logo
8:09 pm - 4:05 pmIAD-BHD
14h 56m2 stops
$800American Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
Aer Lingus Logo
4:50 pm - 3:55 pmBHD-IAD
28h 05m1 stop
Aer Lingus Logo
5:20 pm - 12:50 pmIAD-BHD
14h 30m2 stops
$4,168Aer Lingus
Find Deal
Wed, Oct 15 - Tue, Oct 21
American Airlines Logo
2:15 pm - 8:15 pmBHD-IAD
11h 00m1 stop
American Airlines Logo
5:50 pm - 8:50 amIAD-BHD
10h 00m1 stop
$4,567American Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
Aer Lingus Logo
5:55 pm - 3:50 pmBHD-IAD
26h 55m2 stops
Aer Lingus Logo
5:20 pm - 12:50 pmIAD-BHD
14h 30m2 stops
$4,646Aer Lingus
Find Deal
Wed, Oct 15 - Tue, Oct 21
KLM Logo
6:30 am - 4:20 pmBHD-IAD
14h 50m2 stops
KLM Logo
5:25 pm - 4:55 pmIAD-BHD
18h 30m1 stop
$5,005KLM
Find Deal
Thu, Oct 16 - Wed, Oct 22
Logo
11:30 am - 8:15 pmBHD-IAD
13h 45m1 stop
Logo
10:45 pm - 5:30 pmIAD-BHD
13h 45m1 stop
$5,016
Find Deal
Wed, Oct 15 - Tue, Oct 21
KLM Logo
6:30 am - 4:20 pmBHD-IAD
14h 50m2 stops
KLM Logo
9:20 pm - 4:55 pmIAD-BHD
14h 35m2 stops
$5,030KLM
Find Deal
Thu, Oct 16 - Wed, Oct 22
KLM Logo
5:25 pm - 3:35 pmBHD-IAD
27h 10m1 stop
KLM Logo
5:25 pm - 4:55 pmIAD-BHD
18h 30m1 stop
$5,170KLM
Find Deal
Wed, Oct 15 - Wed, Oct 22
Logo
8:15 pm - 7:20 pmBHD-IAD
28h 05m2 stops
Logo
5:50 pm - 1:40 pmIAD-BHD
14h 50m1 stop
$5,360
Find Deal
Wed, Oct 15 - Wed, Oct 22

American Airlines flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Belfast City Airport to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Nov 20
BHD3:05 pmBelfast City
33h 50m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl
Nov 24
IAD6:20 pmWashington, D.C. Dulles Intl
11h 20m
1 stop
BHD10:40 amBelfast City
$794
Find similar
American Airlines
Nov 20
BHD11:05 amBelfast City
17h 54m
2 stops
IAD11:59 pmWashington, D.C. Dulles Intl
Nov 24
IAD8:09 pmWashington, D.C. Dulles Intl
14h 56m
2 stops
BHD4:05 pmBelfast City
$800
Find similar
American Airlines
Oct 16
BHD2:15 pmBelfast City
11h 00m
1 stop
IAD8:15 pmWashington, D.C. Dulles Intl
Oct 20
IAD5:50 pmWashington, D.C. Dulles Intl
10h 00m
1 stop
BHD8:50 amBelfast City
$4,567
Find similar

Aer Lingus flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport

Our best Aer Lingus deals on Belfast City Airport to Washington, D.C. Dulles Intl Airport flight tickets
Aer Lingus
Oct 15
BHD4:50 pmBelfast City
28h 05m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
Oct 21
IAD5:20 pmWashington, D.C. Dulles Intl
14h 30m
2 stops
BHD12:50 pmBelfast City
$4,168
Find similar
Aer Lingus
Oct 15
BHD5:55 pmBelfast City
26h 55m
2 stops
IAD3:50 pmWashington, D.C. Dulles Intl
Oct 21
IAD5:20 pmWashington, D.C. Dulles Intl
14h 30m
2 stops
BHD12:50 pmBelfast City
$4,646
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 11/20

3:05 pm-7:55 pm

1 stop33h 50m

Washington, D.C. Dulles Intl

Mon 11/24

6:20 pm-10:40 am

1 stop11h 20m

$794

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 11/20

11:05 am-11:59 pm

2 stops17h 54m

Washington, D.C. Dulles Intl

Mon 11/24

8:09 pm-4:05 pm

2 stops14h 56m

$800

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 10/15

4:50 pm-3:55 pm

1 stop28h 05m

Washington, D.C. Dulles Intl

Tue 10/21

5:20 pm-12:50 pm

2 stops14h 30m

$4,168

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 10/16

2:15 pm-8:15 pm

1 stop11h 00m

Washington, D.C. Dulles Intl

Mon 10/20

5:50 pm-8:50 am

1 stop10h 00m

$4,567

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 10/15

5:55 pm-3:50 pm

2 stops26h 55m

Washington, D.C. Dulles Intl

Tue 10/21

5:20 pm-12:50 pm

2 stops14h 30m

$4,646

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 10/16

6:30 am-4:20 pm

2 stops14h 50m

Washington, D.C. Dulles Intl

Wed 10/22

5:25 pm-4:55 pm

1 stop18h 30m

$5,005

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 10/15

11:30 am-8:15 pm

1 stop13h 45m

Washington, D.C. Dulles Intl

Tue 10/21

10:45 pm-5:30 pm

1 stop13h 45m

$5,016

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 10/16

6:30 am-4:20 pm

2 stops14h 50m

Washington, D.C. Dulles Intl

Wed 10/22

9:20 pm-4:55 pm

2 stops14h 35m

$5,030

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 10/15

5:25 pm-3:35 pm

1 stop27h 10m

Washington, D.C. Dulles Intl

Wed 10/22

5:25 pm-4:55 pm

1 stop18h 30m

$5,170

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 10/15

8:15 pm-7:20 pm

2 stops28h 05m

Washington, D.C. Dulles Intl

Wed 10/22

5:50 pm-1:40 pm

1 stop14h 50m

$5,360

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

Cheap Belfast City Airport to Washington, D.C. Dulles Intl Airport (BHD to IAD) flight deals and tips

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

Best Price Found

$794

Fastest flight time

11h 00m

Direct flights

None
The best flight deal from Belfast City Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $794
The fastest flight from Belfast City Airport to Washington, D.C. Dulles Intl Airport takes 11h 00m
There are no direct flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport. Popular non-direct route for this connection is Belfast City Airport - Washington, D.C. Dulles Intl Airport.
Search flight deals

  • How far is Belfast City to Washington, D.C. Dulles Intl by plane?

    Washington, D.C. Dulles Intl is 3389.6 mi away from Belfast City. Flights usually cover this in 11h 00m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport are updated daily.

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

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

    Search flight deals from Belfast City Airport to Washington, D.C. Dulles Intl Airport. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Belfast City Airport to Washington, D.C. Dulles Intl 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 compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Tysons
Laurel
Silver Spring
Waldorf
Fredericksburg
Colonial Beach
Manassas
Harpers Ferry
Rockville
Towson
Gaithersburg
Fairfax
Reston
Glen Burnie

Why use momondo?

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

Finding the right flight to Washington, D.C. from Belfast is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

Yes. All flights to Washington, D.C. from Belfast on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Belfast 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 Belfast.

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

If you are not ready to book a flight from Belfast 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.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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