Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Belfast to Washington, D.C. from $435

1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:05 am - 10:45 amBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
33h 40m3 stops London Gatwick Ottawa Toronto Island
Multiple Airlines Logo
8:30 pm - 11:25 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
21h 55m2 stops Reykjavik Keflavik Intl Manchester
$799Multiple Airlines
Fri, Sep 25 - Sat, Sep 26
Multiple Airlines Logo
9:55 am - 4:05 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
35h 10m2 stops London Gatwick Paris Charles de Gaulle
Multiple Airlines Logo
6:15 pm - 8:15 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
21h 00m2 stops Paris Charles de Gaulle London Gatwick
$806Multiple Airlines
Sun, Oct 4 - Sun, Oct 11
Multiple Airlines Logo
6:05 am - 8:25 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
19h 20m2 stops London Gatwick Toronto Pearson Intl
Multiple Airlines Logo
8:30 pm - 11:25 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
21h 55m2 stops Reykjavik Keflavik Intl Manchester
$868Multiple Airlines
Fri, Sep 25 - Sat, Sep 26
Multiple Airlines Logo
5:05 pm - 5:00 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
28h 55m3 stops Manchester Stockholm Arlanda Kastrup Copenhagen
Multiple Airlines Logo
8:20 pm - 9:30 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
20h 10m2 stops Kastrup Copenhagen Manchester
$890Multiple Airlines
Sun, Oct 4 - Sun, Oct 11
British Airways Logo
5:50 pm - 4:20 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
27h 30m2 stops London Heathrow Madrid Barajas
British Airways Logo
6:05 pm - 9:05 amIAD  Washington, D.C. Dulles Intl-BHD Belfast City
10h 00m1 stop London Heathrow
$932British Airways
Thu, Nov 12 - Mon, Nov 16
British Airways Logo
5:50 pm - 4:20 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
27h 30m2 stops London Heathrow Madrid Barajas
British Airways Logo
6:05 pm - 9:05 amIAD  Washington, D.C. Dulles Intl-BHD Belfast City
10h 00m1 stop London Heathrow
$933British Airways
Thu, Nov 12 - Mon, Nov 16
British Airways Logo
5:50 pm - 4:20 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
27h 30m2 stops London Heathrow Madrid Barajas
British Airways Logo
6:05 pm - 9:05 amIAD  Washington, D.C. Dulles Intl-BHD Belfast City
10h 00m1 stop London Heathrow
$934British Airways
Thu, Nov 12 - Mon, Nov 16
British Airways Logo
8:00 pm - 4:20 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
25h 20m2 stops London Heathrow Madrid Barajas
British Airways Logo
11:34 am - 10:50 amIAD  Washington, D.C. Dulles Intl-BHD Belfast City
18h 16m2 stops Charlotte Douglas London Heathrow
$937British Airways
Thu, Jan 21 - Mon, Jan 25
British Airways Logo
2:10 pm - 5:05 pmBHD  Belfast City-BWI Baltimore/Washington
31h 55m1 stop London Heathrow
British Airways Logo
8:06 pm - 6:50 pmBWI  Baltimore/Washington-BHD Belfast City
17h 44m2 stops Charlotte Douglas London Heathrow
$937British Airways
Thu, Nov 5 - Sun, Nov 8
British Airways Logo
11:05 am - 4:20 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
34h 15m2 stops London Heathrow Madrid Barajas
British Airways Logo
9:45 pm - 5:25 pmIAD  Washington, D.C. Dulles Intl-BHD Belfast City
14h 40m1 stop London Heathrow
$939British Airways
Thu, Jan 21 - Mon, Jan 25

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

British Airways flights from Belfast to Washington, D.C.

Our best British Airways deals on Belfast to Washington, D.C. flight tickets
British Airways
Nov 12
BHD5:50 pmBelfast City
27h 30m
2 stops
IAD4:20 pmWashington, D.C. Dulles Intl
Nov 16
IAD6:05 pmWashington, D.C. Dulles Intl
10h 00m
1 stop
BHD9:05 amBelfast City
$932
British Airways
Nov 12
BHD5:50 pmBelfast City
27h 30m
2 stops
IAD4:20 pmWashington, D.C. Dulles Intl
Nov 16
IAD6:05 pmWashington, D.C. Dulles Intl
10h 00m
1 stop
BHD9:05 amBelfast City
$933
British Airways
Nov 12
BHD5:50 pmBelfast City
27h 30m
2 stops
IAD4:20 pmWashington, D.C. Dulles Intl
Nov 16
IAD6:05 pmWashington, D.C. Dulles Intl
10h 00m
1 stop
BHD9:05 amBelfast City
$934

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastWashington, D.C.

BFS Belfast Intl - IAD Washington, D.C. Dulles Intl

BFSIAD

Belfast Intl

Fri 9/25

6:05 am-10:45 am

3 stops33h 40m

Washington, D.C. Dulles Intl

Sat 9/26

8:30 pm-11:25 pm

2 stops21h 55m

$799

BelfastWashington, D.C.

BFS Belfast Intl - IAD Washington, D.C. Dulles Intl

BFSIAD

Belfast Intl

Sun 10/4

9:55 am-4:05 pm

2 stops35h 10m

Washington, D.C. Dulles Intl

Sun 10/11

6:15 pm-8:15 pm

2 stops21h 00m

$806

BelfastWashington, D.C.

BFS Belfast Intl - IAD Washington, D.C. Dulles Intl

BFSIAD

Belfast Intl

Fri 9/25

6:05 am-8:25 pm

2 stops19h 20m

Washington, D.C. Dulles Intl

Sat 9/26

8:30 pm-11:25 pm

2 stops21h 55m

$868

BelfastWashington, D.C.

BFS Belfast Intl - IAD Washington, D.C. Dulles Intl

BFSIAD

Belfast Intl

Sun 10/4

5:05 pm-5:00 pm

3 stops28h 55m

Washington, D.C. Dulles Intl

Sun 10/11

8:20 pm-9:30 pm

2 stops20h 10m

$890
Quickest round-trip

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 11/12

5:50 pm-4:20 pm

2 stops27h 30m

Washington, D.C. Dulles Intl

Mon 11/16

6:05 pm-9:05 am

1 stop10h 00m

$932

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 11/12

5:50 pm-4:20 pm

2 stops27h 30m

Washington, D.C. Dulles Intl

Mon 11/16

6:05 pm-9:05 am

1 stop10h 00m

$933

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 11/12

5:50 pm-4:20 pm

2 stops27h 30m

Washington, D.C. Dulles Intl

Mon 11/16

6:05 pm-9:05 am

1 stop10h 00m

$934

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 1/21

8:00 pm-4:20 pm

2 stops25h 20m

Washington, D.C. Dulles Intl

Mon 1/25

11:34 am-10:50 am

2 stops18h 16m

$937

BelfastBaltimore

BHD Belfast City - BWI Baltimore/Washington

BHDBWI

Belfast City

Thu 11/5

2:10 pm-5:05 pm

1 stop31h 55m

Baltimore/Washington

Sun 11/8

8:06 pm-6:50 pm

2 stops17h 44m

$937

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 1/21

11:05 am-4:20 pm

2 stops34h 15m

Washington, D.C. Dulles Intl

Mon 1/25

9:45 pm-5:25 pm

1 stop14h 40m

$939

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Belfast to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Belfast to Washington, D.C.?

British Airways is the most popular carrier operating from Belfast to Washington, D.C.

Cheap Belfast to Washington, D.C. flight deals and tips

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

Best Price Found

$435

Fastest flight time

15h 49m

Direct flights

None
The best one-way flight to Washington, D.C. from Belfast in the past 72 hours is $435. The best round-trip flight deal from Belfast to Washington, D.C. found on momondo in the last 72 hours is $799.
The fastest flight from Belfast to Washington, D.C. takes 15h 49m
There are no direct flights from Belfast to Washington, D.C.. There are no popular flight routes from Belfast to Washington, D.C..
Search flight deals

Frequently asked questions about flying from Belfast to Washington, D.C.

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

    The straight-line distance from Belfast to Washington, D.C. is 3373.5 mi. 15h 49m is a normal flight duration for this route.

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

    Prices for flights from Belfast to Washington, D.C. are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to Washington, D.C..

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

    The travel and health documents required for your trip to Washington, D.C. 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.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Springfield
Colonial Beach
Fairfax
Edgewood
Tysons
College Park
Glen Burnie

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Belfast to Washington, D.C. for you.

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.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Belfast to Washington, D.C..

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 simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Belfast and alert you when they change.

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 9/21
Mon 9/28
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport