Belfast

$293+ Cheap flights from District of Columbia to Belfast

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BHD
Dec 3 — Dec 101
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Cheap flight deals from District of Columbia to Belfast

Keep the following information in mind while searching for District of Columbia to Belfast flight deals. Data was last updated November 3, 2025.

Round-trip from

$614
(Trip.com)

One-way from

$293
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$705
From District of Columbia to Belfast
One-way flight from District of Columbia to Belfast
Highest demand for flights based on searches. 18% potential increase in price ($183 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
Average for round-trip flights in November 2025

Find flight deals from District of Columbia to Belfast

Cheapest flights from District of Columbia to Belfast
Explore the most affordable flight options available from District of Columbia to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Trip.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:20 pmIAD - BFS
1 stop17h 00mMultiple Airlines
Tue 12/238:55 pmBFS - IAD
1 stop28h 35mMultiple Airlines
Deal found 11/2$614
This Gotogate deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:05 pmIAD - BHD
1 stop17h 45mVirgin Atlantic
Tue 12/236:30 amBHD - IAD
1 stop14h 35mVirgin Atlantic
Deal found 11/2$628
This Air France deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:05 pmIAD - BHD
1 stop17h 45mMultiple Airlines
Wed 12/35:20 pmBHD - IAD
1 stop27h 45mMultiple Airlines
Deal found 11/2$653
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:05 pmIAD - BHD
1 stop17h 45mDelta
Sun 11/166:30 amBHD - IAD
1 stop14h 35mDelta
Deal found 10/31$654
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:05 pmIAD - BHD
1 stop21h 55mDelta
Wed 12/36:30 amBHD - IAD
2 stops19h 59mDelta
Deal found 11/1$663
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:59 pmDCA - BHD
2 stops20h 51mDelta
Sun 11/165:20 pmBHD - DCA
2 stops28h 15mDelta
Deal found 11/1$667
This Booking.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/82:16 pmIAD - BHD
2 stops15h 24mBritish Airways
Tue 12/237:25 pmBHD - IAD
1 stop25h 10mBritish Airways
Deal found 11/2$723
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/264:35 pmDCA - BHD
2 stops19h 15mDelta
Wed 12/36:30 amBHD - DCA
2 stops17h 29mDelta
Deal found 11/1$775
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/89:45 amIAD - BHD
3 stops23h 05mMultiple Airlines
Tue 12/236:00 pmBHD - IAD
2 stops31h 05mMultiple Airlines
Deal found 11/2$780
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/83:54 pmDCA - BHD
2 stops13h 46mAmerican Airlines
Tue 12/2311:25 amBHD - DCA
2 stops15h 50mAmerican Airlines
Deal found 11/2$833
This Mytrip deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:05 pmIAD - BFS
2 stops13h 35mMultiple Airlines
Mon 12/227:20 amBFS - IAD
2 stops17h 10mMultiple Airlines
Deal found 11/1$1,130
This Mytrip deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/164:10 pmDCA - BFS
3 stops16h 15mMultiple Airlines
Tue 12/236:30 amBFS - DCA
3 stops18h 15mMultiple Airlines
Deal found 11/1$1,424

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from District of Columbia to Belfast that are best for you.

Fly from

District of Columbia

Fly to

Belfast

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Mon 12/8

10:20 pm-8:20 pm

1 stop17h 00m

Belfast Intl

Tue 12/23

8:55 pm-8:30 pm

1 stop28h 35m

$614

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 3/16

10:45 pm-4:05 pm

1 stop13h 20m

Belfast City

Sun 3/22

9:10 am-4:40 pm

1 stop11h 30m

$631

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

9:45 pm-4:40 pm

1 stop13h 55m

Belfast City

Thu 3/12

6:35 am-8:55 pm

1 stop18h 20m

$631

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/12

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Sun 11/16

6:30 am-4:05 pm

1 stop14h 35m

$653

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/26

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Wed 12/3

5:20 pm-4:05 pm

1 stop27h 45m

$653

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 11/28

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Fri 12/5

6:30 am-4:05 pm

1 stop14h 35m

$653

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 3/16

6:59 pm-2:15 pm

2 stops15h 16m

Belfast City

Sun 3/22

10:40 am-10:46 pm

2 stops16h 06m

$655

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 11/28

12:11 pm-4:50 pm

2 stops23h 39m

Belfast City

Fri 12/5

6:30 am-4:05 pm

1 stop14h 35m

$657

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/26

6:05 pm-9:00 pm

1 stop21h 55m

Belfast City

Wed 12/3

6:30 am-5:03 pm

2 stops15h 33m

$663

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 11/28

5:03 pm-4:50 pm

2 stops18h 47m

Belfast City

Fri 12/5

6:30 am-6:26 pm

2 stops16h 56m

$667

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 25 results
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Best time to book a flight from District of Columbia to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from District of Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Belfast
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from District of Columbia to Belfast?

    For as low as $631, British Airways can have you in Belfast from District of Columbia in 13h 20m. Airlines will cover a distance of 3390 mi. This flight may include one or multiple stops.

  • What are the most popular routes from District of Columbia to Belfast?

  • Can I find deals for flights from District of Columbia to Belfast that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Belfast flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Belfast?

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

  • Can I find deals for business class flights from District of Columbia to Belfast?

    Yes. Cheapflights offers flight deals from District of Columbia 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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Alternative routes for District of Columbia to Belfast

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from District of Columbia to Belfast

Discover the top airline that operate flights from District of Columbia to Belfast. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$620Average$854FlexibilityNo cancel feeOn-time70%

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