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Cheap flights from Washington, D.C. Dulles Intl Airport to Belfast from $337

1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:30 pm - 8:30 pmIAD  Washington, D.C. Dulles Intl-BHD Belfast City
17h 00m2 stops Lisbon Humberto Delgado London Gatwick
Multiple Airlines Logo
7:25 am - 3:15 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
36h 50m2 stops London Gatwick Lisbon Humberto Delgado
$847Multiple Airlines
Fri, Jan 8 - Wed, Jan 13
Multiple Airlines Logo
5:25 pm - 8:30 pmIAD  Washington, D.C. Dulles Intl-BHD Belfast City
22h 05m2 stops Lisbon Humberto Delgado London Gatwick
Multiple Airlines Logo
2:20 pm - 3:15 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
29h 55m3 stops London Gatwick Porto Lisbon Humberto Delgado
$850Multiple Airlines
Thu, Jan 14 - Sun, Jan 17
Multiple Airlines Logo
7:40 pm - 8:30 pmIAD  Washington, D.C. Dulles Intl-BHD Belfast City
19h 50m2 stops Reykjavik Keflavik Intl London Heathrow
Multiple Airlines Logo
3:15 pm - 6:30 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
32h 15m2 stops London Gatwick Reykjavik Keflavik Intl
$863Multiple Airlines
Mon, Nov 30 - Thu, Dec 10
Multiple Airlines Logo
7:40 pm - 4:40 pmIAD  Washington, D.C. Dulles Intl-BHD Belfast City
16h 00m3 stops Reykjavik Keflavik Intl Dublin Birmingham
Multiple Airlines Logo
3:15 pm - 6:30 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
32h 15m2 stops London Gatwick Reykjavik Keflavik Intl
$962Multiple Airlines
Mon, Nov 30 - Thu, Dec 10
British Airways Logo
10:25 pm - 5:40 pmIAD  Washington, D.C. Dulles Intl-BHD Belfast City
14h 15m1 stop London Heathrow
British Airways Logo
11:35 am - 5:25 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
10h 50m1 stop London Heathrow
$963British Airways
Sun, Apr 18 - Wed, Apr 21
Multiple Airlines Logo
5:25 pm - 1:35 pmIAD  Washington, D.C. Dulles Intl-BHD Belfast City
15h 10m2 stops Lisbon Humberto Delgado London Gatwick
Multiple Airlines Logo
9:45 am - 2:40 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
33h 55m2 stops London Gatwick Lisbon Humberto Delgado
$965Multiple Airlines
Mon, Nov 16 - Mon, Nov 23
British Airways Logo
7:15 pm - 1:35 pmIAD  Washington, D.C. Dulles Intl-BHD Belfast City
13h 20m1 stop London Heathrow
British Airways Logo
10:05 am - 5:25 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
12h 20m1 stop London Heathrow
$969British Airways
Wed, Apr 7 - Wed, Apr 14
Multiple Airlines Logo
7:40 pm - 9:05 pmIAD  Washington, D.C. Dulles Intl-BHD Belfast City
20h 25m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Manchester
Multiple Airlines Logo
7:20 am - 6:30 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
16h 10m2 stops London Gatwick Reykjavik Keflavik Intl
$988Multiple Airlines
Mon, Nov 16 - Mon, Nov 23
British Airways Logo
5:40 pm - 10:30 amIAD  Washington, D.C. Dulles Intl-BHD Belfast City
11h 50m1 stop London Heathrow
British Airways Logo
9:35 am - 8:20 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
15h 45m1 stop London Heathrow
$992British Airways
Sun, Apr 4 - Fri, Apr 9
British Airways Logo
5:40 pm - 10:30 amIAD  Washington, D.C. Dulles Intl-BHD Belfast City
11h 50m1 stop London Heathrow
British Airways Logo
8:35 pm - 3:30 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
23h 55m2 stops London Heathrow Madrid Barajas
$1,000British Airways
Sun, Apr 18 - Wed, Apr 21

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British Airways flights from Washington, D.C. Dulles Intl Airport to Belfast City Airport

Our best British Airways deals on Washington, D.C. Dulles Intl Airport to Belfast City Airport flight tickets
British Airways
Apr 18
IAD10:25 pmWashington, D.C. Dulles Intl
14h 15m
1 stop
BHD5:40 pmBelfast City
Apr 21
BHD11:35 amBelfast City
10h 50m
1 stop
IAD5:25 pmWashington, D.C. Dulles Intl
$963
British Airways
Apr 7
IAD7:15 pmWashington, D.C. Dulles Intl
13h 20m
1 stop
BHD1:35 pmBelfast City
Apr 14
BHD10:05 amBelfast City
12h 20m
1 stop
IAD5:25 pmWashington, D.C. Dulles Intl
$969
British Airways
Apr 4
IAD5:40 pmWashington, D.C. Dulles Intl
11h 50m
1 stop
BHD10:30 amBelfast City
Apr 9
BHD9:35 amBelfast City
15h 45m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$992

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

Our best KLM deals on Washington, D.C. Dulles Intl Airport to Belfast City Airport flight tickets
KLM
Apr 4
IAD7:50 pmWashington, D.C. Dulles Intl
16h 05m
2 stops
BHD4:55 pmBelfast City
Apr 9
BHD9:50 amBelfast City
10h 45m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$1,010
KLM
Apr 4
IAD6:30 pmWashington, D.C. Dulles Intl
17h 25m
2 stops
BHD4:55 pmBelfast City
Apr 9
BHD9:50 amBelfast City
19h 30m
2 stops
IAD12:20 amWashington, D.C. Dulles Intl
$1,020
KLM
Apr 5
IAD7:50 pmWashington, D.C. Dulles Intl
16h 05m
2 stops
BHD4:55 pmBelfast City
Apr 10
BHD5:25 pmBelfast City
27h 10m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$1,060

momondo Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl - BHD Belfast City

IADBHD

Washington, D.C. Dulles Intl

Fri 1/8

10:30 pm-8:30 pm

2 stops17h 00m

Belfast City

Wed 1/13

7:25 am-3:15 pm

2 stops36h 50m

$847

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Thu 1/14

5:25 pm-8:30 pm

2 stops22h 05m

Belfast City

Sun 1/17

2:20 pm-3:15 pm

3 stops29h 55m

$850

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Mon 11/30

7:40 pm-8:30 pm

2 stops19h 50m

Belfast City

Thu 12/10

3:15 pm-6:30 pm

2 stops32h 15m

$863

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Mon 11/30

7:40 pm-4:40 pm

3 stops16h 00m

Belfast City

Thu 12/10

3:15 pm-6:30 pm

2 stops32h 15m

$962
Quickest round-trip

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Sun 4/18

10:25 pm-5:40 pm

1 stop14h 15m

Belfast City

Wed 4/21

11:35 am-5:25 pm

1 stop10h 50m

$963

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Mon 11/16

5:25 pm-1:35 pm

2 stops15h 10m

Belfast City

Mon 11/23

9:45 am-2:40 pm

2 stops33h 55m

$965

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Wed 4/7

7:15 pm-1:35 pm

1 stop13h 20m

Belfast City

Wed 4/14

10:05 am-5:25 pm

1 stop12h 20m

$969

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Mon 11/16

7:40 pm-9:05 pm

3 stops20h 25m

Belfast City

Mon 11/23

7:20 am-6:30 pm

2 stops16h 10m

$988

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Sun 4/4

5:40 pm-10:30 am

1 stop11h 50m

Belfast City

Fri 4/9

9:35 am-8:20 pm

1 stop15h 45m

$992

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Sun 4/18

5:40 pm-10:30 am

1 stop11h 50m

Belfast City

Wed 4/21

8:35 pm-3:30 pm

2 stops23h 55m

$1,000

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 Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl to Belfast City?

British Airways and Aer Lingus are the most popular carriers operating from Washington, D.C. Dulles Intl to Belfast City

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

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

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

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

Best Price Found

$337

Fastest flight time

10h 00m

Direct flights

None
The best one-way flight to Belfast City Airport from Washington, D.C. Dulles Intl Airport in the past 72 hours is $337. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Belfast City Airport found on momondo in the last 72 hours is $847.
The fastest flight from Washington, D.C. Dulles Intl Airport to Belfast City Airport takes 10h 00m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Belfast City Airport. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Belfast City Airport.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Belfast City Airport

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

    Belfast City is 3389.6 mi away from Washington, D.C. Dulles Intl. A reasonable flight in good conditions will take 10h 00m.

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

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

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

It is quick and easy to find Washington, D.C. to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

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

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

How can momondo help me find flights from Washington, D.C. to Belfast?

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 Washington, D.C. to Belfast.

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

Of course. momondo tracks the price of Washington, D.C. 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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