Cheap flights from District of Columbia to Northern Ireland from £225
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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from District of Columbia to Northern Ireland
Keep the following information in mind while searching for District of Columbia to Northern Ireland flight deals. Data was last updated 11 July 2025.
Find flight deals from District of Columbia to Northern Ireland
Cheapest flights from District of Columbia to Northern IrelandExplore the most affordable flight options available from District of Columbia to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from District of Columbia to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from District of Columbia to Northern Ireland 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 858,174 searches. Data last updated 11 July 2025.
Use the filters below to find and compare flights from District of Columbia to Northern Ireland 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
Sun 12/10
20:25-17:40
2 stops16h 15m
Belfast City
Sun 19/10
20:05-19:45
2 stops28h 40m
Washington, D.C.Belfast
DCA - BHD
DCABHD
Washington, D.C. Reagan-National
Sun 12/10
16:38-11:30
2 stops13h 52m
Belfast City
Sun 19/10
11:00-22:57
2 stops16h 57m
Washington, D.C.Belfast
IAD - BHD
IADBHD
Washington, D.C. Dulles Intl
Sun 12/10
17:25-16:55
1 stop18h 30m
Belfast City
Sun 19/10
06:30-15:35
1 stop14h 05m
Washington, D.C.Belfast
IAD - BHD
IADBHD
Washington, D.C. Dulles Intl
Sat 9/8
12:12-16:55
2 stops23h 43m
Belfast City
Mon 8/9
06:30-15:35
1 stop14h 05m
Washington, D.C.Belfast
IAD - BHD
IADBHD
Washington, D.C. Dulles Intl
Wed 12/11
11:00-21:00
2 stops29h 00m
Belfast City
Sun 16/11
06:30-15:45
1 stop14h 15m
Washington, D.C.Belfast
DCA - BHD
DCABHD
Washington, D.C. Reagan-National
Wed 8/10
17:15-21:15
2 stops23h 00m
Belfast City
Sun 12/10
06:30-10:22
2 stops32h 52m
Washington, D.C.Belfast
DCA - BHD
DCABHD
Washington, D.C. Reagan-National
Wed 8/10
17:00-16:55
2 stops18h 55m
Belfast City
Sun 12/10
06:30-23:29
2 stops21h 59m
Washington, D.C.Belfast
IAD - BHD
IADBHD
Washington, D.C. Dulles Intl
Wed 12/11
18:05-16:50
1 stop17h 45m
Belfast City
Sun 16/11
06:30-16:05
1 stop14h 35m
Washington, D.C.Belfast
IAD - BFS
IADBFS
Washington, D.C. Dulles Intl
Sun 12/10
17:45-21:30
3 stops22h 45m
Belfast Intl
Sun 19/10
06:10-09:38
3 stops32h 28m
Washington, D.C.Belfast
DCA - BFS
DCABFS
Washington, D.C. Reagan-National
Sat 23/8
06:00-22:30
3 stops35h 30m
Belfast Intl
Sat 30/8
05:45-18:02
2 stops17h 17m
Best time to book a flight from District of Columbia to Northern Ireland
Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from District of Columbia with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from District of Columbia to Northern Ireland
What is the cheapest month to book a flight from District of Columbia to Northern Ireland?
Currently, January is the cheapest month in which you can book a flight from District of Columbia to Northern Ireland (average of £67). Flying from District of Columbia to Northern Ireland in July is currently the most expensive (average of £90). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Northern Ireland
Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated 11 July 2025.
Check out reviews from past customers who have flown with Delta, KLM, andFinnair from District of Columbia to Northern Ireland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Food
Comfort
Crew
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Comfort
Crew
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Comfort
Crew
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Comfort
Crew
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Comfort
Crew
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Comfort
Crew
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from District of Columbia to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for District of Columbia to Northern Ireland
See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from District of Columbia to Northern Ireland?
When you search for this flight from District of Columbia to Northern Ireland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from District of Columbia to Northern Ireland?
Cheapflights simply makes it quick and affordable to book flights from District of Columbia to Northern Ireland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from District of Columbia to Northern Ireland with no change fees?
Certainly. Search results for flights to Northern Ireland from District of Columbia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from District of Columbia to Northern Ireland become cheaper?
Yes, Cheapflights offers price alerts on District of Columbia to Northern Ireland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.