$293+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BFS
Dec 3 — Dec 101
1 adult, Economy
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1. Tell us where you want to go
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
Keep the following information in mind while searching for District of Columbia to Belfast Intl 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 |
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 November 3, 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 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![Multiple Airlines logo]()
$614
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![Multiple Airlines logo]()
$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![Multiple Airlines logo]()
$1,424
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 November 3, 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
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 - BFS
IADBFS
Washington, D.C. Dulles Intl
Sun 3/22
7:20 pm-8:10 pm
1 stop20h 50m
Belfast Intl
Sun 3/29
7:00 am-8:20 pm
1 stop18h 20m
$807
Washington, D.C.Belfast
IAD - BFS
IADBFS
Washington, D.C. Dulles Intl
Mon 12/15
5:05 pm-11:40 am
2 stops13h 35m
Belfast Intl
Mon 12/22
7:20 am-7:30 pm
2 stops17h 10m
$1,130
Washington, D.C.Belfast
DCA - BFS
DCABFS
Washington, D.C. Reagan-National
Tue 12/16
4:10 pm-1:25 pm
3 stops16h 15m
Belfast Intl
Tue 12/23
6:30 am-7:45 pm
3 stops18h 15m
$1,424
Washington, D.C.Belfast
IAD - BFS
IADBFS
Washington, D.C. Dulles Intl
Thu 3/5
5:30 pm-9:05 pm
3 stops22h 35m
$293
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 November 3, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$627 | Average$875 | FlexibilityNo cancel fee | On-time70% |