$252+ Cheap flights from District of Columbia to Belfast Intl (BFS)
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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BFS
Jan 11 — Jan 181
1 adult, Economy
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from District of Columbia to Belfast Intl
Best flights from District of Columbia to Belfast IntlDiscover carefully curated flight deals from District of Columbia to Belfast Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.
Discover carefully curated flight deals from District of Columbia to Belfast Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.
This Mytrip deal was found by Cheapflights users on 12/11. 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.
Sun 1/257:40 pmIAD - BFS
2 stops18h 15mMultiple Airlines
Sun 2/17:10 amBFS - IAD
2 stops16h 20mMultiple Airlines
Deal found 12/11![Multiple Airlines logo]()
$716
This Mytrip deal was found by Cheapflights users on 12/10. 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.
Sun 1/254:15 pmDCA - BFS
2 stops16h 35mMultiple Airlines
Sun 2/16:30 amBFS - DCA
3 stops21h 05mMultiple Airlines
Deal found 12/10![Multiple Airlines logo]()
$938
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/810:20 pmIAD - BFS
1 stop17h 45mMultiple Airlines
Thu 1/226:15 amBFS - IAD
2 stops31h 25mMultiple Airlines
Deal found 12/10![Multiple Airlines logo]()
$971
Find 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 December 12, 2025.
Round-trip from | $707 (Mytrip) |
|---|---|
One-way from | $252 (Kiwi.com) |
Cheapflights Fare Finder
Customize 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 2,558,603 searches. Data last updated December 12, 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
District of Columbia
Fly to
Belfast Intl
Route
Depart
Return
Price
Washington, D.C.Belfast
IAD - BFS
IADBFS
Washington, D.C. Dulles Intl
Sun 1/25
7:40 pm-6:55 pm
2 stops18h 15m
Belfast Intl
Sun 2/1
7:10 am-6:30 pm
2 stops16h 20m
$716
Washington, D.C.Belfast
DCA - BFS
DCABFS
Washington, D.C. Reagan-National
Sun 1/25
4:15 pm-1:50 pm
2 stops16h 35m
Belfast Intl
Sun 2/1
6:30 am-10:35 pm
3 stops21h 05m
$938
Washington, D.C.Belfast
IAD - BFS
IADBFS
Washington, D.C. Dulles Intl
Thu 1/8
10:20 pm-9:05 pm
1 stop17h 45m
Belfast Intl
Thu 1/22
6:15 am-8:40 am
2 stops31h 25m
$971
Washington, D.C.Belfast
IAD - BFS
IADBFS
Washington, D.C. Dulles Intl
Wed 2/4
10:30 pm-9:05 pm
3 stops41h 35m
$252
Washington, D.C.Belfast
IAD - BFS
IADBFS
Washington, D.C. Dulles Intl
Fri 2/13
10:30 pm-8:00 am
3 stops52h 30m
$319
Washington, D.C.Belfast
IAD - BFS
IADBFS
Washington, D.C. Dulles Intl
Wed 12/17
5:05 pm-11:55 pm
3 stops25h 50m
$686
Washington, D.C.Belfast
DCA - BFS
DCABFS
Washington, D.C. Reagan-National
Wed 12/17
5:54 pm-9:10 am
3 stops34h 16m
$1,138
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.
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 Intl Airport
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Related info for your journey
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Alternative routes for District of Columbia to Belfast Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from District of Columbia to Belfast Intl
Discover the top airline that operate flights from District of Columbia to Belfast Intl. 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 December 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$627 | Average$875 | FlexibilityNo cancel fee | On-time70% |