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Cheap flights from Washington, D.C. Dulles Intl Airport to Belfast from £217

IAD — BHD
28 Sep — 5 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

Tue 6/1022:35 -
2 stops17h 30m
Thu 15/1006:10 -
2 stops19h 25m
Deal found 25/8£566
Mon 12/1020:30 -
2 stops14h 05m
Mon 19/1008:40 -
2 stops15h 40m
Deal found 28/8£632
Tue 6/1020:30 -
3 stops18h 20m
Mon 12/1020:55 -
2 stops23h 50m
Deal found 25/8£657
Sat 26/920:30 -
2 stops21h 55m
Sat 3/1021:40 -
3 stops26h 20m
Deal found 27/8£691
Fri 16/1022:50 -
2 stops17h 25m
Wed 21/1008:15 -
2 stops19h 00m
Deal found 25/8£703
Fri 16/1022:50 -
2 stops17h 15m
Wed 21/1007:00 -
2 stops20h 15m
Deal found 25/8£715
Tue 22/922:25 -
1 stop14h 10m
Tue 29/912:40 -
1 stop12h 40m
Deal found 25/8£723
Sun 11/1023:20 -
3 stops16h 45m
Sun 18/1020:10 -
2 stops28h 15m
Deal found 25/8£727
Mon 28/922:25 -
1 stop12h 05m
Tue 6/1019:30 -
1 stop29h 50m
Deal found 29/8£738
Sun 8/1121:45 -
1 stop11h 05m
Mon 16/1119:40 -
1 stop25h 00m
Deal found 28/8£740
Mon 21/918:10 -
1 stop17h 45m
Mon 28/917:30 -
1 stop27h 05m
Deal found 24/8£747
Mon 28/912:26 -
2 stops15h 54m
Tue 6/1009:50 -
1 stop10h 45m
Deal found 28/8£750

Find flight deals from Dulles Intl to Belfast

Round-trip from

£566

One-way from

£217
6/10-15/10
  • 6/10-15/10
  • 4 total stops
  • 36h 55m total
  • Washington, D.C. to Belfast
Search Deals
12/10
  • 12/10
  • 3 total stops
  • 30h 35m total
  • Washington, D.C. to Belfast
Search Deals

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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Route

Depart

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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

Tue 6/10

22:35-21:05

2 stops17h 30m

Belfast Intl

Thu 15/10

06:10-20:35

2 stops19h 25m

£566

Washington, D.C.Belfast

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

IADBFS

Washington, D.C. Dulles Intl

Mon 12/10

20:30-15:35

2 stops14h 05m

Belfast Intl

Mon 19/10

08:40-19:20

2 stops15h 40m

£632

Washington, D.C.Belfast

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

IADBFS

Washington, D.C. Dulles Intl

Sat 26/9

20:30-23:25

2 stops21h 55m

Belfast Intl

Sat 3/10

21:40-19:00

3 stops26h 20m

£691

Washington, D.C.Belfast

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

IADBFS

Washington, D.C. Dulles Intl

Fri 16/10

22:50-21:15

2 stops17h 25m

Belfast Intl

Wed 21/10

08:15-22:15

2 stops19h 00m

£703

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Sun 8/11

21:45-13:50

1 stop11h 05m

Belfast City

Mon 16/11

19:40-15:40

1 stop25h 00m

£740
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

11:44-09:20

2 stops16h 36m

Belfast City

Tue 6/10

09:50-15:35

1 stop10h 45m

£750

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Mon 21/9

12:25-09:20

2 stops15h 55m

Belfast City

Mon 28/9

17:30-15:35

1 stop27h 05m

£750

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Mon 28/9

12:26-09:20

2 stops15h 54m

Belfast City

Tue 6/10

09:50-23:26

2 stops18h 36m

£758

Washington, D.C.Belfast

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

IADBFS

Washington, D.C. Dulles Intl

Wed 7/10

17:55-00:05

2 stops25h 10m

Belfast Intl

Sun 11/10

08:25-13:35

2 stops34h 10m

£780

Washington, D.C.Belfast

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

IADBHD

Washington, D.C. Dulles Intl

Mon 21/9

18:10-09:20

1 stop10h 10m

Belfast City

Mon 28/9

09:50-00:41

2 stops19h 51m

£792

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 18 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

No data available for this route at this time. Please check back soon.

Related info for your journey

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

    For as low as £740, British Airways can have you in Belfast from Washington, D.C. Dulles Intl Airport in 11h 05m. 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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Can Cheapflights find flights from Dulles Intl to Belfast with no change fees?

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.

Can Cheapflights notify me if prices for flights from Dulles Intl to Belfast become cheaper?

Not ready to book yet? You can track prices for flights from Dulles Intl to Belfast on Cheapflights with our Price Alert feature and get notified when better prices are available.

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