$278+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BFS
Jan 17 — Jan 241
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 18, 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 18, 2025.
This Trip.com deal was found by Cheapflights users on 12/17. 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.
Sat 1/317:40 pmIAD - BFS
2 stops19h 35mMultiple Airlines
Sat 2/78:20 amBFS - IAD
2 stops15h 10mMultiple Airlines
Deal found 12/17![Multiple Airlines logo]()
$677
This Mytrip deal was found by Cheapflights users on 12/17. 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 2/17:40 pmIAD - BFS
2 stops19h 40mMultiple Airlines
Sun 2/85:45 amBFS - IAD
3 stops20h 15mMultiple Airlines
Deal found 12/17![Multiple Airlines logo]()
$788
This Mytrip deal was found by Cheapflights users on 12/16. 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.
Thu 1/85:30 pmIAD - BFS
3 stops21h 55mMultiple Airlines
Sat 1/1010:25 pmBFS - IAD
3 stops45h 50mMultiple Airlines
Deal found 12/16![Multiple Airlines logo]()
$791
This Mytrip deal was found by Cheapflights users on 12/17. 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 2/111:05 amDCA - BFS
2 stops21h 55mMultiple Airlines
Sun 2/86:30 amBFS - DCA
3 stops31h 25mMultiple Airlines
Deal found 12/17![Multiple Airlines logo]()
$1,027
This Mytrip deal was found by Cheapflights users on 12/16. 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.
Fri 1/309:40 amDCA - BFS
3 stops24h 00mMultiple Airlines
Fri 2/610:35 amBFS - DCA
3 stops27h 20mMultiple Airlines
Deal found 12/16![Multiple Airlines logo]()
$1,535
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 18, 2025.
Round-trip from | $677 (Trip.com) |
|---|---|
One-way from | $278 (Trip.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 18, 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
Sat 1/31
7:40 pm-8:15 pm
2 stops19h 35m
Belfast Intl
Sat 2/7
8:20 am-6:30 pm
2 stops15h 10m
$677
Washington, D.C.Belfast
IAD - BFS
IADBFS
Washington, D.C. Dulles Intl
Sun 2/1
7:40 pm-8:20 pm
2 stops19h 40m
Belfast Intl
Sun 2/8
5:45 am-9:00 pm
3 stops20h 15m
$788
Washington, D.C.Belfast
IAD - BFS
IADBFS
Washington, D.C. Dulles Intl
Thu 1/8
5:30 pm-8:25 pm
3 stops21h 55m
Belfast Intl
Sat 1/10
10:25 pm-3:15 pm
3 stops45h 50m
$791
Washington, D.C.Belfast
DCA - BFS
DCABFS
Washington, D.C. Reagan-National
Sun 2/1
11:05 am-2:00 pm
2 stops21h 55m
Belfast Intl
Sun 2/8
6:30 am-8:55 am
3 stops31h 25m
$1,027
Washington, D.C.Belfast
DCA - BFS
DCABFS
Washington, D.C. Reagan-National
Fri 1/30
9:40 am-2:40 pm
3 stops24h 00m
Belfast Intl
Fri 2/6
10:35 am-8:55 am
3 stops27h 20m
$1,535
Washington, D.C.Belfast
IAD - BFS
IADBFS
Washington, D.C. Dulles Intl
Wed 1/28
7:40 pm-8:50 pm
2 stops20h 10m
$278
Washington, D.C.Belfast
IAD - BFS
IADBFS
Washington, D.C. Dulles Intl
Thu 2/19
7:40 pm-8:35 pm
2 stops19h 55m
$281
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
No data available for this route at this time. Please check back soon.
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 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$627 | Average$875 | FlexibilityNo cancel fee | On-time70% |