Latest deals
Insights
FAQs
Price Alerts

Cheap flights from District of Columbia to Belfast from $342

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Belfast departing on 8/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Find the cheapest flights from District of Columbia to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 pm - 9:05 pm
IAD
-
BHD
19h 35m
2 stops
Multiple Airlines Logo
8:20 pm - 3:10 pm
BHD
-
IAD
47h 50m
3 stops
$827Multiple Airlines
Sun, Apr 19 - Sun, Apr 26
British Airways Logo
7:15 pm - 10:30 am
IAD
-
BHD
10h 15m
1 stop
British Airways Logo
9:35 am - 3:50 pm
BHD
-
IAD
11h 15m
1 stop
$906British Airways
Sun, Aug 23 - Thu, Sep 10
British Airways Logo
5:40 pm - 12:55 pm
IAD
-
BHD
14h 15m
1 stop
British Airways Logo
7:35 pm - 8:20 pm
BHD
-
IAD
29h 45m
1 stop
$921British Airways
Mon, Aug 24 - Mon, Aug 31
British Airways Logo
7:15 pm - 12:55 pm
IAD
-
BHD
12h 40m
1 stop
British Airways Logo
6:30 am - 5:25 pm
BHD
-
IAD
15h 55m
1 stop
$926British Airways
Mon, Aug 24 - Fri, Sep 11
British Airways Logo
10:15 pm - 3:30 pm
IAD
-
BHD
12h 15m
1 stop
British Airways Logo
4:05 pm - 5:25 pm
BHD
-
IAD
30h 20m
1 stop
$935British Airways
Mon, Apr 27 - Wed, May 6
British Airways Logo
5:45 pm - 10:45 am
IAD
-
BHD
12h 00m
1 stop
British Airways Logo
11:00 am - 8:20 pm
BHD
-
IAD
14h 20m
1 stop
$940British Airways
Tue, Apr 28 - Fri, May 8
British Airways Logo
2:54 pm - 10:45 am
DCA
-
BHD
14h 51m
2 stops
British Airways Logo
10:05 am - 8:16 pm
BHD
-
DCA
15h 11m
2 stops
$940British Airways
Tue, Aug 25 - Wed, Sep 2
American Airlines Logo
3:15 pm - 10:45 am
DCA
-
BHD
14h 30m
2 stops
American Airlines Logo
9:40 am - 10:29 pm
BHD
-
DCA
17h 49m
2 stops
$952American Airlines
Tue, Apr 21 - Tue, Apr 28
KLM Logo
1:45 pm - 9:20 am
DCA
-
BHD
14h 35m
2 stops
KLM Logo
9:50 am - 9:50 pm
BHD
-
DCA
17h 00m
2 stops
$989KLM
Wed, Aug 26 - Wed, Sep 2
KLM Logo
12:59 pm - 9:20 am
DCA
-
BHD
15h 21m
2 stops
KLM Logo
9:50 am - 8:33 pm
BHD
-
DCA
15h 43m
2 stops
$1,019KLM
Tue, Apr 28 - Wed, May 6

British Airways flights from District of Columbia to Belfast City Airport

Our best British Airways deals on District of Columbia to Belfast City Airport flight tickets
British Airways
Aug 23
IAD7:15 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
BHD10:30 amBelfast City
Sep 10
BHD9:35 amBelfast City
11h 15m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$906
British Airways
Aug 24
IAD5:40 pmWashington, D.C. Dulles Intl
14h 15m
1 stop
BHD12:55 pmBelfast City
Aug 31
BHD7:35 pmBelfast City
29h 45m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$921
British Airways
Aug 24
IAD7:15 pmWashington, D.C. Dulles Intl
12h 40m
1 stop
BHD12:55 pmBelfast City
Sep 11
BHD6:30 amBelfast City
15h 55m
1 stop
IAD5:25 pmWashington, D.C. Dulles Intl
$926

American Airlines flights from District of Columbia to Belfast City Airport

Our best American Airlines deals on District of Columbia to Belfast City Airport flight tickets
American Airlines
Apr 21
DCA3:15 pmWashington, D.C. Reagan-National
14h 30m
2 stops
BHD10:45 amBelfast City
Apr 28
BHD9:40 amBelfast City
17h 49m
2 stops
DCA10:29 pmWashington, D.C. Reagan-National
$952
American Airlines
Jun 20
DCA6:59 pmWashington, D.C. Reagan-National
19h 21m
2 stops
BHD7:20 pmBelfast City
Jun 25
BHD9:35 amBelfast City
15h 35m
2 stops
DCA8:10 pmWashington, D.C. Reagan-National
$1,527
American Airlines
Jun 19
DCA6:40 pmWashington, D.C. Reagan-National
18h 30m
2 stops
BHD6:10 pmBelfast City
Jun 25
BHD9:35 amBelfast City
19h 24m
2 stops
DCA11:59 pmWashington, D.C. Reagan-National
$1,547

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Belfast City 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 March 25, 2026.
Use the filters below to find and compare flights from District of Columbia to Belfast City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 4/19

8:30 pm-9:05 pm

2 stops19h 35m

Belfast City

Sun 4/26

8:20 pm-3:10 pm

3 stops47h 50m

$827
Quickest round-trip

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 8/23

7:15 pm-10:30 am

1 stop10h 15m

Belfast City

Thu 9/10

9:35 am-3:50 pm

1 stop11h 15m

$906

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 8/24

5:40 pm-12:55 pm

1 stop14h 15m

Belfast City

Mon 8/31

7:35 pm-8:20 pm

1 stop29h 45m

$921

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 8/24

7:15 pm-12:55 pm

1 stop12h 40m

Belfast City

Fri 9/11

6:30 am-5:25 pm

1 stop15h 55m

$926

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 4/27

10:15 pm-3:30 pm

1 stop12h 15m

Belfast City

Wed 5/6

4:05 pm-5:25 pm

1 stop30h 20m

$935

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 4/28

5:45 pm-10:45 am

1 stop12h 00m

Belfast City

Fri 5/8

11:00 am-8:20 pm

1 stop14h 20m

$940

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 8/25

2:54 pm-10:45 am

2 stops14h 51m

Belfast City

Wed 9/2

10:05 am-8:16 pm

2 stops15h 11m

$940

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 4/21

3:15 pm-10:45 am

2 stops14h 30m

Belfast City

Tue 4/28

9:40 am-10:29 pm

2 stops17h 49m

$952

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 8/26

1:45 pm-9:20 am

2 stops14h 35m

Belfast City

Wed 9/2

9:50 am-9:50 pm

2 stops17h 00m

$989

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 4/28

12:59 pm-9:20 am

2 stops15h 21m

Belfast City

Wed 5/6

9:50 am-8:33 pm

2 stops15h 43m

$1,019

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to Belfast from

How to get the cheapest flight ticket from District of Columbia to Belfast City Airport

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

Can stopping save me money on District of Columbia to Belfast City Airport flights?

You could potentially save up to 3% on your flight if you consider stops on a District of Columbia to Belfast City Airport flight.

Cheap District of Columbia to Belfast City Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Belfast City Airport

Fastest flight time

10h 15m

Direct flights

None
The fastest flight from District of Columbia to Belfast City Airport takes 10h 15m
There are no direct flights from District of Columbia to Belfast City Airport. There are no popular flight routes from District of Columbia to Belfast City Airport.
Search flight deals

  • When did momondo last update prices for flights from District of Columbia to Belfast City Airport?

    Prices for flights from District of Columbia to Belfast City Airport are updated daily.

  • How old do you have to be to fly from District of Columbia to Belfast City 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 District of Columbia to Belfast City Airport.

  • What documentation or ID do you need to fly to Belfast City Airport?

    The travel and health documents you'll need for your trip to Belfast City Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newcastle
Bangor

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Belfast?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belfast from District of Columbia.

Can I find flights from District of Columbia to Belfast with flexible booking policies on momondo?

All flight searches from District of Columbia to Belfast on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from District of Columbia to Belfast?

momondo helps you find the best flight between District of Columbia and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from District of Columbia to Belfast right now. Can momondo alert me if prices change?

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

An easier way to manage your Belfast City Airport 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
Fri 4/24
Fri 5/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Belfast

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Heathrow Airportfrom $502
Flights to London Gatwick Airportfrom $424
Flights to London City Airportfrom $616
Flights to London Stansted Airportfrom $434
Flights to London Luton Airportfrom $515
Flights to Glasgow Intl Airportfrom $535
Flights to Belfast Intl Airportfrom $663
Flights to London Southend Airportfrom $723