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Cheap flights from Washington, D.C. Dulles Intl Airport to Belfast from £474

IAD — BHD
16 Oct — 23 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dulles Intl to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from Dulles Intl to Belfast

Wed 28/1022:55 -
1 stop14h 00m
Tue 3/1110:00 -
1 stop14h 55m
Deal found 15/9£474
Thu 29/1020:40 -
2 stops18h 30m
Thu 5/1107:20 -
2 stops16h 10m
Deal found 14/9£588
Wed 28/1009:55 -
2 stops30h 25m
Tue 3/1120:55 -
2 stops25h 05m
Deal found 14/9£622
Fri 9/1017:15 -
2 stops18h 15m
Tue 13/1005:55 -
2 stops14h 50m
Deal found 13/9£652
Wed 28/1019:15 -
1 stop17h 30m
Tue 3/1109:40 -
1 stop11h 05m
Deal found 15/9£653
Mon 23/1118:15 -
1 stop9h 55m
Mon 7/1217:20 -
1 stop27h 25m
Deal found 15/9£655
Mon 23/1111:25 -
2 stops16h 45m
Tue 8/1217:20 -
1 stop27h 35m
Deal found 15/9£658
Mon 12/1020:30 -
2 stops19h 10m
Mon 19/1021:35 -
2 stops21h 47m
Deal found 14/9£658
Mon 28/918:10 -
1 stop17h 45m
Tue 6/1009:50 -
2 stops18h 26m
Deal found 13/9£662
Mon 5/1020:55 -
2 stops14h 20m
Tue 6/1021:15 -
2 stops27h 10m
Deal found 14/9£664
Mon 28/912:26 -
2 stops15h 54m
Tue 6/1009:50 -
2 stops19h 52m
Deal found 11/9£666
Sun 22/1117:45 -
1 stop10h 25m
Wed 9/1217:20 -
1 stop27h 25m
Deal found 15/9£677

Find flight deals from Dulles Intl to Belfast

Round-trip from

£474
British Airways
  • British Airways
  • 28/10-3/11
  • 2 total stops
  • 28h 55m total
  • Washington, D.C. to Belfast
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Cheapflights Fare Finder

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

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Price

Cheapest return flight

Washington, D.C.Belfast

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

IADBFS

Washington, D.C. Dulles Intl

Fri 9/10

17:15-16:30

2 stops18h 15m

Belfast Intl

Tue 13/10

05:55-15:45

2 stops14h 50m

£652

Washington, D.C.Belfast

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

IADBFS

Washington, D.C. Dulles Intl

Mon 12/10

20:30-20:40

2 stops19h 10m

Belfast Intl

Mon 19/10

21:35-14:22

2 stops21h 47m

£658

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Mon 28/9

18:10-16:55

1 stop17h 45m

Belfast City

Tue 6/10

09:50-23:16

2 stops18h 26m

£662
Fastest return journey

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Mon 28/9

18:10-09:20

1 stop10h 10m

Belfast City

Tue 6/10

09:50-23:16

2 stops18h 26m

£662

Washington, D.C.Belfast

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

IADBFS

Washington, D.C. Dulles Intl

Fri 13/11

19:40-22:35

2 stops21h 55m

Belfast Intl

Mon 16/11

08:30-18:30

2 stops15h 00m

£664

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Mon 23/11

12:35-09:10

2 stops15h 35m

Belfast City

Tue 8/12

09:40-23:23

2 stops18h 43m

£665

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Wed 30/12

18:20-16:50

1 stop17h 30m

Belfast City

Wed 6/1

17:20-15:45

1 stop27h 25m

£677

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Tue 29/12

17:45-16:50

1 stop18h 05m

Belfast City

Wed 6/1

17:20-21:12

2 stops32h 52m

£685

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Wed 30/12

12:36-09:10

2 stops15h 34m

Belfast City

Wed 6/1

17:20-21:12

2 stops32h 52m

£688

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Sat 3/10

17:30-16:55

1 stop18h 25m

Belfast City

Tue 13/10

09:50-15:35

1 stop10h 45m

£692

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 14 resultsSorted by cheapest first
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Best time to book a flight from Dulles Intl to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Dulles Intl with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Belfast

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Related info for your journey

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Belfast?

    For as low as £662, Delta can have you in Belfast from Washington, D.C. Dulles Intl Airport in 10h 10m. The distance from Washington, D.C. Dulles Intl Airport to Belfast is about 3390 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Dulles Intl to Belfast that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Belfast flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Belfast?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Belfast.

  • Can I find deals for business class flights from Dulles Intl to Belfast?

    Yes. Cheapflights offers flight deals from Dulles Intl to Belfast by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Complete your trip

Belfast car hire
Belfast Intl Airport car hire
Londonderry Eglinton Airport car hire
Isle of Islay Glenegedale Airport car hire
Londonderry car hire

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Need flexible booking options for your flight to Belfast from Dulles Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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