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Cheap flights from District of Columbia to Belfast from $408

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 6/29. 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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0 bags

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Find the cheapest flights from District of Columbia to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:20 pm - 9:10 am
IAD
-
BHD
9h 50m
1 stop
British Airways Logo
10:40 am - 8:55 pm
BHD
-
IAD
14h 15m
1 stop
$650British Airways
Wed, Mar 4 - Sun, Mar 8
British Airways Logo
6:20 pm - 9:10 am
IAD
-
BHD
9h 50m
1 stop
British Airways Logo
6:30 am - 3:35 pm
BHD
-
IAD
14h 05m
1 stop
$651British Airways
Wed, Mar 4 - Sun, Mar 8
British Airways Logo
9:45 pm - 8:25 am
IAD
-
BHD
29h 40m
1 stop
British Airways Logo
6:35 am - 8:55 pm
BHD
-
IAD
18h 20m
1 stop
$657British Airways
Thu, Mar 5 - Thu, Mar 12
British Airways Logo
5:40 pm - 8:55 am
IAD
-
BHD
10h 15m
1 stop
British Airways Logo
12:45 pm - 8:20 pm
BHD
-
IAD
12h 35m
1 stop
$658British Airways
Sat, May 9 - Thu, May 21
Multiple Airlines Logo
6:05 pm - 4:50 pm
IAD
-
BHD
17h 45m
1 stop
Multiple Airlines Logo
5:20 pm - 5:05 pm
BHD
-
IAD
27h 45m
1 stop
$670Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
British Airways Logo
5:40 pm - 8:35 pm
IAD
-
BHD
21h 55m
1 stop
British Airways Logo
8:25 pm - 5:25 pm
BHD
-
IAD
26h 00m
1 stop
$673British Airways
Thu, Apr 2 - Tue, Apr 7
British Airways Logo
5:40 pm - 7:25 pm
IAD
-
BHD
20h 45m
1 stop
British Airways Logo
8:25 pm - 5:25 pm
BHD
-
IAD
26h 00m
1 stop
$675British Airways
Thu, Apr 2 - Tue, Apr 7
Multiple Airlines Logo
6:05 pm - 4:50 pm
IAD
-
BHD
17h 45m
1 stop
Multiple Airlines Logo
6:30 am - 8:46 pm
BHD
-
IAD
18h 16m
2 stops
$680Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
Multiple Airlines Logo
6:05 pm - 4:50 pm
IAD
-
BHD
17h 45m
1 stop
Multiple Airlines Logo
6:30 am - 8:46 pm
BHD
-
IAD
18h 16m
2 stops
$681Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
Virgin Atlantic Logo
6:05 pm - 4:50 pm
IAD
-
BHD
17h 45m
1 stop
Virgin Atlantic Logo
6:30 am - 10:59 pm
BHD
-
IAD
20h 29m
2 stops
$682Virgin Atlantic
Thu, Mar 5 - Thu, Mar 12

Aer Lingus flights from District of Columbia to Belfast

Our best Aer Lingus deals on District of Columbia to Belfast flight tickets
Aer Lingus
Mar 16
IAD6:05 pmWashington, D.C. Dulles Intl
14h 10m
2 stops
BHD12:15 pmBelfast City
Mar 22
BHD6:50 pmBelfast City
25h 45m
2 stops
IAD4:35 pmWashington, D.C. Dulles Intl
$851
Aer Lingus
Mar 16
IAD6:05 pmWashington, D.C. Dulles Intl
14h 10m
2 stops
BHD12:15 pmBelfast City
Mar 22
BHD2:00 pmBelfast City
30h 35m
2 stops
IAD4:35 pmWashington, D.C. Dulles Intl
$853
Aer Lingus
Mar 5
IAD5:05 pmWashington, D.C. Dulles Intl
16h 20m
2 stops
BHD2:25 pmBelfast City
Mar 12
BHD10:10 amBelfast City
34h 25m
2 stops
IAD4:35 pmWashington, D.C. Dulles Intl
$856

British Airways flights from District of Columbia to Belfast

Our best British Airways deals on District of Columbia to Belfast flight tickets
British Airways
Mar 4
IAD6:20 pmWashington, D.C. Dulles Intl
9h 50m
1 stop
BHD9:10 amBelfast City
Mar 8
BHD6:30 amBelfast City
18h 25m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl
$650
British Airways
Mar 5
IAD9:45 pmWashington, D.C. Dulles Intl
29h 40m
1 stop
BHD8:25 amBelfast City
Mar 12
BHD10:40 amBelfast City
14h 15m
1 stop
IAD8:55 pmWashington, D.C. Dulles Intl
$657
British Airways
May 9
IAD5:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
BHD8:55 amBelfast City
May 21
BHD12:45 pmBelfast City
12h 35m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$658

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Belfast 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 February 7, 2026.
Use the filters below to find and compare flights from District of Columbia to Belfast 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

Wed 3/4

6:20 pm-9:10 am

1 stop9h 50m

Belfast City

Sun 3/8

10:40 am-8:55 pm

1 stop14h 15m

$650

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 3/4

6:20 pm-9:10 am

1 stop9h 50m

Belfast City

Sun 3/8

6:30 am-3:35 pm

1 stop14h 05m

$651

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

9:45 pm-8:25 am

1 stop29h 40m

Belfast City

Thu 3/12

6:35 am-8:55 pm

1 stop18h 20m

$657

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sat 5/9

5:40 pm-8:55 am

1 stop10h 15m

Belfast City

Thu 5/21

12:45 pm-8:20 pm

1 stop12h 35m

$658

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Thu 3/12

5:20 pm-5:05 pm

1 stop27h 45m

$670

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 4/2

5:40 pm-8:35 pm

1 stop21h 55m

Belfast City

Tue 4/7

8:25 pm-5:25 pm

1 stop26h 00m

$673

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 4/2

5:40 pm-7:25 pm

1 stop20h 45m

Belfast City

Tue 4/7

8:25 pm-5:25 pm

1 stop26h 00m

$675

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Thu 3/12

6:30 am-8:46 pm

2 stops18h 16m

$680

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Thu 3/12

6:30 am-8:46 pm

2 stops18h 16m

$681

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Thu 3/12

6:30 am-10:59 pm

2 stops20h 29m

$682

Flights are sorted by cheapest round-trip 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

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?

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

Cheap District of Columbia to Belfast flight deals and tips

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

Fastest flight time

9h 50m

Direct flights

None
The fastest flight from District of Columbia to Belfast takes 9h 50m
There are no direct flights from District of Columbia to Belfast. There are no popular flight routes from District of Columbia to Belfast.
Search flight deals

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

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

  • How many operators does momondo search for flights from District of Columbia to Belfast?

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

    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.

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

    The travel and health documents you'll need for your trip to Belfast 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from District of Columbia to Belfast

Compare and see reviews for airlines that fly from District of Columbia to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $627Free CancellationRating
6.7
7,719 reviews
Search British Airways flights

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. All flights to Belfast from District of Columbia on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Belfast from District of Columbia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport