$310+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BFS
Mar 5 — Mar 121
1 adult, Economy
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Find cheap flights from District of Columbia to Belfast Intl with Cheapflights
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
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 February 3, 2026.
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 February 3, 2026.
This Trip.com deal was found by Cheapflights users on 2/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:40 pm
IAD
- BFS
2 stops17h 15m
Multiple Airlines
Thu 3/126:30 am
BFS
- IAD
2 stops17h 00m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$547
This Mytrip deal was found by Cheapflights users on 2/3. 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 3/206:05 pm
IAD
- BFS
2 stops17h 05m
Multiple Airlines
Fri 3/279:00 pm
BFS
- IAD
2 stops27h 30m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$824
This Mytrip deal was found by Cheapflights users on 2/1. 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.
Sun 3/16:59 am
DCA
- BFS
2 stops26h 01m
Multiple Airlines
Sun 3/86:30 am
BFS
- DCA
3 stops30h 25m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$843
This Mytrip deal was found by Cheapflights users on 2/3. 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 5/228:18 am
IAD
- BFS
3 stops27h 12m
Multiple Airlines
Fri 5/297:20 pm
BFS
- IAD
3 stops30h 09m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$1,311
This Mytrip deal was found by Cheapflights users on 2/1. 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.
Fri 2/204:15 pm
DCA
- BFS
3 stops17h 55m
Multiple Airlines
Mon 2/237:20 pm
BFS
- DCA
3 stops25h 11m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,545
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 February 3, 2026.
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 February 3, 2026.
This Trip.com deal was found by Cheapflights users on 2/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:40 pm
IAD
- BFS
2 stops17h 15m
Multiple Airlines
Thu 3/126:30 am
BFS
- IAD
2 stops17h 00m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$547
This Mytrip deal was found by Cheapflights users on 2/3. 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 3/206:05 pm
IAD
- BFS
2 stops17h 05m
Multiple Airlines
Fri 3/279:00 pm
BFS
- IAD
2 stops27h 30m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$824
This Mytrip deal was found by Cheapflights users on 2/1. 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.
Sun 3/16:59 am
DCA
- BFS
2 stops26h 01m
Multiple Airlines
Sun 3/86:30 am
BFS
- DCA
3 stops30h 25m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$843
This Mytrip deal was found by Cheapflights users on 2/3. 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 5/228:18 am
IAD
- BFS
3 stops27h 12m
Multiple Airlines
Fri 5/297:20 pm
BFS
- IAD
3 stops30h 09m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$1,311
This Mytrip deal was found by Cheapflights users on 2/1. 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.
Fri 2/204:15 pm
DCA
- BFS
3 stops17h 55m
Multiple Airlines
Mon 2/237:20 pm
BFS
- DCA
3 stops25h 11m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,545
Last-minute flights from District of Columbia to Belfast IntlDiscover last-minute flight deals from District of Columbia to Belfast Intl. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from District of Columbia to Belfast Intl. Data last updated February 3, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 2/1. 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.
Fri 2/204:15 pm
DCA
- BFS
3 stops17h 55m
Multiple Airlines
Mon 2/237:20 pm
BFS
- DCA
3 stops25h 11m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,545
This Mytrip deal was found by Cheapflights users on 2/1. 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.
Sun 3/16:59 am
DCA
- BFS
2 stops26h 01m
Multiple Airlines
Sun 3/86:30 am
BFS
- DCA
3 stops30h 25m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$843
This Trip.com deal was found by Cheapflights users on 2/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:40 pm
IAD
- BFS
2 stops17h 15m
Multiple Airlines
Thu 3/126:30 am
BFS
- IAD
2 stops17h 00m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$547
This Mytrip deal was found by Cheapflights users on 2/3. 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 3/206:05 pm
IAD
- BFS
2 stops17h 05m
Multiple Airlines
Fri 3/279:00 pm
BFS
- IAD
2 stops27h 30m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$824
One-way flights from District of Columbia to Belfast IntlSearch for one-way flight options from District of Columbia to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from District of Columbia to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Trip.com deal was found by Cheapflights users on 2/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/64:43 pm
DCA
- BFS
3 stops19h 22m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$310
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 February 3, 2026.
Round-trip from | $547 (Trip.com) |
|---|---|
One-way from | $310 (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 February 3, 2026.
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
Wed 3/4
7:40 pm-5:55 pm
2 stops17h 15m
Belfast Intl
Thu 3/12
6:30 am-7:30 pm
2 stops17h 00m
$547
Washington, D.C.Belfast
IAD - BFS
IADBFS
Washington, D.C. Dulles Intl
Fri 3/20
6:05 pm-3:10 pm
2 stops17h 05m
Belfast Intl
Fri 3/27
9:00 pm-8:30 pm
2 stops27h 30m
$824
Washington, D.C.Belfast
DCA - BFS
DCABFS
Washington, D.C. Reagan-National
Sun 3/1
6:59 am-2:00 pm
2 stops26h 01m
Belfast Intl
Sun 3/8
6:30 am-7:55 am
3 stops30h 25m
$843
Washington, D.C.Belfast
IAD - BFS
IADBFS
Washington, D.C. Dulles Intl
Fri 5/22
8:18 am-4:30 pm
3 stops27h 12m
Belfast Intl
Fri 5/29
7:20 pm-8:29 pm
3 stops30h 09m
$1,311
Washington, D.C.Belfast
DCA - BFS
DCABFS
Washington, D.C. Reagan-National
Fri 2/20
4:15 pm-3:10 pm
3 stops17h 55m
Belfast Intl
Mon 2/23
7:20 pm-3:31 pm
3 stops25h 11m
$1,545
Washington, D.C.Belfast
DCA - BFS
DCABFS
Washington, D.C. Reagan-National
Wed 5/6
4:43 pm-5:05 pm
3 stops19h 22m
$310
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.
IAD-BFS
DCA-BFS
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
USDC-BFS
IAD-BFS
DCA-BFS
No data available for this route at this time. Please check back soon.
Related info for your journey
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Explore flights to Belfast Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 3, 2026.
Complete your trip
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District of Columbia and Belfast Intl flights
Browse other District of Columbia and Belfast Intl flight options. Last updated on February 3, 2026.
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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 February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$627 | Average$875 | FlexibilityNo cancel fee | On-time70% |