Cheap flights from District of Columbia to Belfast Intl Airport from £363
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 16/7. 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 Belfast Intl
Keep the following information in mind while searching for District of Columbia to Belfast Intl flight deals. Data was last updated 3 July 2025.
Find flight deals from District of Columbia to Belfast Intl
Cheapest flights from District of Columbia to Belfast IntlExplore the most affordable flight options available from District of Columbia to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.
Explore the most affordable flight options available from District of Columbia to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from District of Columbia to Belfast Intl 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 3 July 2025.
Use the filters below to find and compare flights from District of Columbia to Belfast Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Belfast
IAD - BFS
IADBFS
Washington, D.C. Dulles Intl
Mon 11/8
23:15-22:25
2 stops18h 10m
Belfast Intl
Mon 18/8
06:10-22:10
2 stops21h 00m
Washington, D.C.Belfast
DCA - BFS
DCABFS
Washington, D.C. Reagan-National
Fri 15/8
06:00-11:50
3 stops24h 50m
Belfast Intl
Fri 22/8
08:35-22:27
2 stops18h 52m
Washington, D.C.Belfast
IAD - BFS
IADBFS
Washington, D.C. Dulles Intl
Wed 16/7
22:20-23:10
3 stops19h 50m
Washington, D.C.Belfast
DCA - BFS
DCABFS
Washington, D.C. Reagan-National
Wed 16/7
18:20-07:50
3 stops32h 30m
Best time to book a flight from District of Columbia to Belfast Intl
Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from District of Columbia with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from District of Columbia to Belfast Intl Airport
Related info for your journey
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Why should you use Cheapflights to find cheap flight tickets from District of Columbia to Belfast Intl?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Belfast Intl from District of Columbia.
Can Cheapflights find flights from District of Columbia to Belfast Intl with no change fees?
Yes, we can. To see specific flights from District of Columbia to Belfast Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.
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