$272+ Cheap flights from Washington, D.C. (WAS) to Belfast Intl (BFS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BFS
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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Find cheap flights from Washington, D.C. 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
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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 Washington, D.C. to Belfast Intl
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Best
Last-minute
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Cheapest flights from Washington, D.C. to Belfast IntlExplore the most affordable flight options available from Washington, D.C. to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
Explore the most affordable flight options available from Washington, D.C. to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
This Mytrip deal was found by Cheapflights users on 9/19. 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 11/37:40 pm -
2 stops20h 15m
Tue 11/108:35 am -
2 stops14h 55m
Deal found 9/19![Multiple Airlines logo]()
$683
This Mytrip deal was found by Cheapflights users on 9/19. 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 11/37:40 pm -
2 stops20h 15m
Tue 11/108:35 am -
2 stops15h 05m
Deal found 9/19![Multiple Airlines logo]()
$743
This Mytrip deal was found by Cheapflights users on 9/18. 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.
Wed 11/257:40 pm -
2 stops19h 05m
Mon 11/302:00 pm -
3 stops33h 40m
Deal found 9/18![Multiple Airlines logo]()
$747
This Mytrip deal was found by Cheapflights users on 9/18. 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 11/237:40 pm -
2 stops18h 30m
Mon 11/3012:05 pm -
3 stops35h 35m
Deal found 9/18![Multiple Airlines logo]()
$759
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Mon 11/237:40 pm -
2 stops15h 45m
Sun 11/2910:00 pm -
3 stops25h 40m
Deal found 9/16![Multiple Airlines logo]()
$785
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Sat 10/318:40 pm -
3 stops20h 45m
Sat 11/77:50 pm -
3 stops24h 55m
Deal found 9/16![Multiple Airlines logo]()
$793
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Mon 11/237:40 pm -
2 stops19h 35m
Sun 11/297:45 pm -
2 stops25h 00m
Deal found 9/16![Multiple Airlines logo]()
$810
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Wed 10/288:40 pm -
2 stops21h 40m
Tue 11/37:40 pm -
3 stops28h 00m
Deal found 9/15![Multiple Airlines logo]()
$828
This Booking.com deal was found by Cheapflights users on 9/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:20 pm -
2 stops16h 40m
Thu 10/159:05 pm -
3 stops28h 30m
Deal found 9/18![Multiple Airlines logo]()
$880
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Tue 12/17:40 pm -
2 stops20h 15m
Sat 12/196:30 am -
2 stops17h 50m
Deal found 9/16![Multiple Airlines logo]()
$894
This Mytrip deal was found by Cheapflights users on 9/17. 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 11/17:40 pm -
2 stops19h 30m
Sun 11/86:55 am -
2 stops17h 25m
Deal found 9/17![Multiple Airlines logo]()
$900
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Mon 11/236:00 am -
2 stops24h 30m
Sun 11/299:25 am -
2 stops17h 34m
Deal found 9/16![Multiple Airlines logo]()
$1,147
Best flights from Washington, D.C. to Belfast IntlDiscover carefully curated flight deals from Washington, D.C. to Belfast Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
Discover carefully curated flight deals from Washington, D.C. to Belfast Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
This Mytrip deal was found by Cheapflights users on 9/19. 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 11/37:40 pm -
2 stops20h 15m
Tue 11/108:35 am -
2 stops14h 55m
Deal found 9/19![Multiple Airlines logo]()
$683
This Mytrip deal was found by Cheapflights users on 9/18. 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 11/237:40 pm -
2 stops15h 45m
Mon 11/306:30 am -
2 stops17h 10m
Deal found 9/18![Multiple Airlines logo]()
$784
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Mon 11/237:40 pm -
2 stops15h 45m
Sun 11/2910:00 pm -
3 stops25h 40m
Deal found 9/16![Multiple Airlines logo]()
$785
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Sat 10/318:40 pm -
3 stops20h 45m
Sat 11/77:50 pm -
3 stops24h 55m
Deal found 9/16![Multiple Airlines logo]()
$793
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Wed 10/288:40 pm -
2 stops21h 40m
Tue 11/37:40 pm -
3 stops28h 00m
Deal found 9/15![Multiple Airlines logo]()
$828
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Mon 11/237:40 pm -
2 stops19h 35m
Sun 11/297:45 pm -
2 stops25h 00m
Deal found 9/16![Multiple Airlines logo]()
$830
This Booking.com deal was found by Cheapflights users on 9/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:20 pm -
2 stops16h 40m
Thu 10/159:05 pm -
3 stops28h 30m
Deal found 9/18![Multiple Airlines logo]()
$880
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Tue 12/17:40 pm -
2 stops20h 15m
Sat 12/196:30 am -
2 stops17h 50m
Deal found 9/16![Multiple Airlines logo]()
$894
This Mytrip deal was found by Cheapflights users on 9/19. 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 11/37:40 pm -
3 stops20h 00m
Tue 11/108:35 am -
2 stops15h 05m
Deal found 9/19![Multiple Airlines logo]()
$902
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Sat 10/318:40 pm -
2 stops17h 35m
Sat 11/77:10 am -
2 stops16h 30m
Deal found 9/16![Multiple Airlines logo]()
$917
This Mytrip deal was found by Cheapflights users on 9/17. 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 10/1811:20 pm -
2 stops16h 40m
Wed 10/216:10 am -
2 stops21h 05m
Deal found 9/17![Multiple Airlines logo]()
$932
This Booking.com deal was found by Cheapflights users on 9/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:30 pm -
2 stops14h 05m
Sun 10/188:45 pm -
3 stops27h 40m
Deal found 9/17![Multiple Airlines logo]()
$958
This Mytrip deal was found by Cheapflights users on 9/16. 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 10/98:20 pm -
2 stops23h 35m
Tue 10/135:10 pm -
2 stops28h 35m
Deal found 9/16![Multiple Airlines logo]()
$1,130
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Mon 11/236:00 am -
2 stops24h 30m
Sun 11/299:25 am -
2 stops17h 34m
Deal found 9/16![Multiple Airlines logo]()
$1,147
Last-minute flights from Washington, D.C. to Belfast IntlDiscover last-minute flight deals from Washington, D.C. to Belfast Intl. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Belfast Intl. Data last updated September 20, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/19. 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 9/285:40 pm -
2 stops25h 05m
Mon 10/56:10 pm -
2 stops26h 00m
Deal found 9/19![Multiple Airlines logo]()
$920
This Mytrip deal was found by Cheapflights users on 9/19. 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 9/284:20 pm -
3 stops18h 15m
Mon 10/57:05 am -
3 stops19h 45m
Deal found 9/19![Multiple Airlines logo]()
$1,313
This Mytrip deal was found by Cheapflights users on 9/16. 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 10/98:20 pm -
2 stops23h 35m
Tue 10/135:10 pm -
2 stops28h 35m
Deal found 9/16![Multiple Airlines logo]()
$1,130
This Booking.com deal was found by Cheapflights users on 9/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:20 pm -
2 stops16h 40m
Thu 10/159:05 pm -
3 stops28h 30m
Deal found 9/18![Multiple Airlines logo]()
$880
This Booking.com deal was found by Cheapflights users on 9/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:30 pm -
2 stops14h 05m
Sun 10/188:45 pm -
3 stops27h 40m
Deal found 9/17![Multiple Airlines logo]()
$958
This Mytrip deal was found by Cheapflights users on 9/18. 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 10/1511:20 pm -
2 stops16h 15m
Mon 10/199:35 pm -
3 stops29h 40m
Deal found 9/18![Multiple Airlines logo]()
$1,026
This Mytrip deal was found by Cheapflights users on 9/17. 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 10/1811:20 pm -
2 stops16h 40m
Wed 10/216:10 am -
2 stops21h 05m
Deal found 9/17![Multiple Airlines logo]()
$932
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Sat 10/318:40 pm -
3 stops20h 45m
Sat 11/77:50 pm -
3 stops24h 55m
Deal found 9/16![Multiple Airlines logo]()
$793
This Mytrip deal was found by Cheapflights users on 9/16. 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.
Sat 10/318:40 pm -
2 stops17h 35m
Sat 11/77:10 am -
2 stops16h 30m
Deal found 9/16![Multiple Airlines logo]()
$917
One-way flights from Washington, D.C. to Belfast IntlSearch for one-way flight options from Washington, D.C. to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
Search for one-way flight options from Washington, D.C. to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:30 pm -
3 stops30h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:20 pm -
3 stops27h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$283
This Mytrip deal was found by Cheapflights users on 9/17. 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.
Mon 10/268:40 pm -
2 stops18h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:40 pm -
2 stops30h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:30 pm -
2 stops29h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:40 pm -
3 stops45h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$294
This Mytrip deal was found by Cheapflights users on 9/17. 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 10/118:30 pm -
2 stops19h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am -
3 stops32h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:25 pm -
3 stops33h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$492
Find flight deals from Washington, D.C. to Belfast Intl
Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Belfast Intl (BFS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 20, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $683 (Mytrip) |
One-way from | $272 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. 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 7,457,451 searches. Data last updated September 20, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Belfast Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Belfast
IAD Washington, D.C. Dulles Intl - BFS Belfast Intl
IADBFS
Washington, D.C. Dulles Intl
Mon 10/12
8:30 pm-8:05 am
3 stops30h 35m
Belfast Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$272
Washington, D.C.Belfast
IAD Washington, D.C. Dulles Intl - BFS Belfast Intl
IADBFS
Washington, D.C. Dulles Intl
Sun 10/11
11:20 pm-8:05 am
3 stops27h 45m
Belfast Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$283
Quickest round-trip
Washington, D.C.Belfast
IAD Washington, D.C. Dulles Intl - BFS Belfast Intl
IADBFS
Washington, D.C. Dulles Intl
Mon 10/26
8:40 pm-7:10 pm
2 stops18h 30m
Belfast Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$286
BaltimoreBelfast
BWI Baltimore/Washington - BFS Belfast Intl
BWIBFS
Baltimore/Washington
Mon 10/26
8:40 pm-7:15 am
2 stops30h 35m
Belfast Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$287
BaltimoreBelfast
BWI Baltimore/Washington - BFS Belfast Intl
BWIBFS
Baltimore/Washington
Mon 10/12
8:30 pm-7:05 am
2 stops29h 35m
Belfast Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$288
BaltimoreBelfast
BWI Baltimore/Washington - BFS Belfast Intl
BWIBFS
Baltimore/Washington
Thu 10/29
8:40 pm-10:45 pm
2 stops22h 05m
Belfast Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$364
BaltimoreBelfast
BWI Baltimore/Washington - BFS Belfast Intl
BWIBFS
Baltimore/Washington
Sun 10/11
8:30 pm-9:00 pm
2 stops19h 30m
Belfast Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$372
Washington, D.C.Belfast
DCA Washington, D.C. Reagan-National - BFS Belfast Intl
DCABFS
Washington, D.C. Reagan-National
Mon 10/26
7:00 am-7:10 pm
3 stops32h 10m
Belfast Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$437
Washington, D.C.Belfast
IAD Washington, D.C. Dulles Intl - BFS Belfast Intl
IADBFS
Washington, D.C. Dulles Intl
Thu 10/29
6:25 pm-7:50 am
3 stops33h 25m
Belfast Intl
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$492
Washington, D.C.Belfast
IAD Washington, D.C. Dulles Intl - BFS Belfast Intl
IADBFS
Washington, D.C. Dulles Intl
Tue 11/3
7:40 pm-8:55 pm
2 stops20h 15m
Belfast Intl
Tue 11/10
8:35 am-6:30 pm
2 stops14h 55m
$683
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Washington, D.C. to Belfast Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Belfast Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C.-Belfast Intl Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Washington, D.C.-Belfast Intl Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Belfast Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C.-Belfast Intl Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Belfast Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Washington, D.C. to Belfast Intl
Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Washington, D.C. with our price prediction graph.
WAS-BFS
IAD-BFS
BWI-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 Washington, D.C. to Belfast Intl Airport
WAS-BFS
IAD-BFS
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DCA-BFS
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Belfast Intl
Get insights into the airlines that provide service to Belfast Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast Intl. Reviews last updated September 20, 2026.
Get a feel of what it's like to fly with British Airways from Washington, D.C. to Belfast Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
7.7
Entertainment
6.5
Boarding
7.0
Food
6.4
Overall
6.7
Comfort
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Crew
7.7
Entertainment
6.5
Boarding
7.0
Food
6.4
Overall
6.7
Comfort
6.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
IAH - LHR
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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