Cheap flights from District of Columbia to Belfast from £300

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 29/6. 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
0 bags
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Find the cheapest flights from District of Columbia to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
22:45 - 13:55
IAD
-
BHD
11h 10m
1 stop
British Airways Logo
20:25 - 20:55
BHD
-
IAD
28h 30m
1 stop
£474British Airways
Sun, 8 Mar - Sun, 15 Mar
British Airways Logo
18:20 - 09:10
IAD
-
BHD
9h 50m
1 stop
British Airways Logo
06:30 - 15:35
BHD
-
IAD
14h 05m
1 stop
£477British Airways
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
18:20 - 09:10
IAD
-
BHD
9h 50m
1 stop
British Airways Logo
06:30 - 19:55
BHD
-
IAD
18h 25m
1 stop
£477British Airways
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
21:45 - 08:25
IAD
-
BHD
29h 40m
1 stop
British Airways Logo
10:40 - 20:55
BHD
-
IAD
14h 15m
1 stop
£482British Airways
Thu, 5 Mar - Thu, 12 Mar
British Airways Logo
17:40 - 08:55
IAD
-
BHD
10h 15m
1 stop
British Airways Logo
12:45 - 20:20
BHD
-
IAD
12h 35m
1 stop
£483British Airways
Sat, 9 May - Thu, 21 May
Multiple Airlines Logo
18:05 - 16:50
IAD
-
BHD
17h 45m
1 stop
Multiple Airlines Logo
17:20 - 17:05
BHD
-
IAD
27h 45m
1 stop
£492Multiple Airlines
Thu, 5 Mar - Thu, 12 Mar
British Airways Logo
17:40 - 20:35
IAD
-
BHD
21h 55m
1 stop
British Airways Logo
20:25 - 17:25
BHD
-
IAD
26h 00m
1 stop
£494British Airways
Thu, 2 Apr - Tue, 7 Apr
British Airways Logo
19:15 - 19:25
IAD
-
BHD
19h 10m
1 stop
British Airways Logo
20:25 - 17:25
BHD
-
IAD
26h 00m
1 stop
£496British Airways
Thu, 2 Apr - Tue, 7 Apr
Multiple Airlines Logo
18:05 - 16:50
IAD
-
BHD
17h 45m
1 stop
Multiple Airlines Logo
06:30 - 20:46
BHD
-
IAD
18h 16m
2 stops
£499Multiple Airlines
Thu, 5 Mar - Thu, 12 Mar
Virgin Atlantic Logo
18:05 - 16:50
IAD
-
BHD
17h 45m
1 stop
Virgin Atlantic Logo
06:30 - 22:59
BHD
-
IAD
20h 29m
2 stops
£501Virgin Atlantic
Thu, 5 Mar - Thu, 12 Mar

Aer Lingus flights from District of Columbia to Belfast City Airport

Our best Aer Lingus deals on District of Columbia to Belfast City Airport flight tickets
Aer Lingus
16 Mar
IAD18:05Washington, D.C. Dulles Intl
14h 10m
2 stops
BHD12:15Belfast City
22 Mar
BHD18:50Belfast City
25h 45m
2 stops
IAD16:35Washington, D.C. Dulles Intl
£625
Aer Lingus
16 Mar
IAD18:05Washington, D.C. Dulles Intl
14h 10m
2 stops
BHD12:15Belfast City
22 Mar
BHD14:00Belfast City
30h 35m
2 stops
IAD16:35Washington, D.C. Dulles Intl
£626
Aer Lingus
5 Mar
IAD17:05Washington, D.C. Dulles Intl
16h 20m
2 stops
BHD14:25Belfast City
12 Mar
BHD10:10Belfast City
34h 25m
2 stops
IAD16:35Washington, D.C. Dulles Intl
£629

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
4 Mar
IAD18:20Washington, D.C. Dulles Intl
9h 50m
1 stop
BHD09:10Belfast City
8 Mar
BHD10:40Belfast City
14h 15m
1 stop
IAD20:55Washington, D.C. Dulles Intl
£477
British Airways
5 Mar
IAD21:45Washington, D.C. Dulles Intl
29h 40m
1 stop
BHD08:25Belfast City
12 Mar
BHD10:40Belfast City
14h 15m
1 stop
IAD20:55Washington, D.C. Dulles Intl
£482
British Airways
9 May
IAD17:40Washington, D.C. Dulles Intl
10h 15m
1 stop
BHD08:55Belfast City
21 May
BHD12:45Belfast City
12h 35m
1 stop
IAD20:20Washington, D.C. Dulles Intl
£483

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 7 February 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

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 8/3

22:45-13:55

1 stop11h 10m

Belfast City

Sun 15/3

20:25-20:55

1 stop28h 30m

£474

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 4/3

18:20-09:10

1 stop9h 50m

Belfast City

Sun 8/3

06:30-15:35

1 stop14h 05m

£477

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 4/3

18:20-09:10

1 stop9h 50m

Belfast City

Sun 8/3

06:30-19:55

1 stop18h 25m

£477

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 5/3

21:45-08:25

1 stop29h 40m

Belfast City

Thu 12/3

10:40-20:55

1 stop14h 15m

£482

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sat 9/5

17:40-08:55

1 stop10h 15m

Belfast City

Thu 21/5

12:45-20:20

1 stop12h 35m

£483

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 5/3

18:05-16:50

1 stop17h 45m

Belfast City

Thu 12/3

17:20-17:05

1 stop27h 45m

£492

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 2/4

17:40-20:35

1 stop21h 55m

Belfast City

Tue 7/4

20:25-17:25

1 stop26h 00m

£494

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 2/4

19:15-19:25

1 stop19h 10m

Belfast City

Tue 7/4

20:25-17:25

1 stop26h 00m

£496

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 5/3

18:05-16:50

1 stop17h 45m

Belfast City

Thu 12/3

06:30-20:46

2 stops18h 16m

£499

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 5/3

18:05-16:50

1 stop17h 45m

Belfast City

Thu 12/3

06:30-22:59

2 stops20h 29m

£501

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

What is the cheapest airline that flies from District of Columbia to Belfast City?

British Airways, Scandinavian Airlines, and KLM are the most popular carriers operating from District of Columbia to Belfast City

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

12h 05m

Direct flights

None
The fastest flight from District of Columbia to Belfast City Airport takes 12h 05m
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.
  • 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 were last updated today.

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

    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 District of Columbia to Belfast City Airport.

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

    The necessary travel and health documents for your Belfast City Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Belfast?

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

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for District of Columbia to Belfast flights to just show those with flexible booking policies.

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

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 Belfast from District of Columbia.

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

Of course. momondo tracks the price of District of Columbia to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Mon 9/3
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