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Belfast Intl

$354+ Cheap flights from Washington, D.C. (WAS) 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BFS
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Belfast Intl

Cheapest flights from Washington, D.C. to Belfast Intl
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 June 10, 2026.

This Mytrip deal was found by Cheapflights users on 6/6. 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 7/188:30 pm
IAD
-
BFS
2 stops19h 10m
Multiple Airlines
Fri 7/317:55 pm
BFS
-
IAD
2 stops24h 50m
Multiple Airlines
Deal found 6/6$910
This Mytrip deal was found by Cheapflights users on 6/8. 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 7/86:00 am
DCA
-
BFS
3 stops32h 15m
Multiple Airlines
Wed 7/155:55 am
BFS
-
DCA
2 stops17h 17m
Multiple Airlines
Deal found 6/8$927
This Mytrip deal was found by Cheapflights users on 6/7. 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 7/238:30 pm
IAD
-
BFS
2 stops20h 10m
Multiple Airlines
Sun 7/267:00 am
BFS
-
IAD
3 stops37h 10m
Multiple Airlines
Deal found 6/7$963
This Mytrip deal was found by Cheapflights users on 6/7. 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 7/512:40 pm
DCA
-
BFS
3 stops22h 15m
Multiple Airlines
Sun 7/126:45 am
BFS
-
DCA
3 stops34h 15m
Multiple Airlines
Deal found 6/7$973
This Mytrip deal was found by Cheapflights users on 6/8. 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 7/89:55 am
IAD
-
BFS
2 stops28h 20m
Multiple Airlines
Wed 7/155:55 am
BFS
-
IAD
2 stops19h 29m
Multiple Airlines
Deal found 6/8$991
This Mytrip deal was found by Cheapflights users on 6/5. 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 7/19:55 am
IAD
-
BFS
2 stops23h 35m
Multiple Airlines
Tue 7/78:45 am
BFS
-
IAD
3 stops35h 25m
Multiple Airlines
Deal found 6/5$1,049
This Mytrip deal was found by Cheapflights users on 6/7. 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 7/228:30 pm
BWI
-
BFS
2 stops20h 15m
Multiple Airlines
Wed 7/297:35 am
BFS
-
BWI
2 stops16h 50m
Multiple Airlines
Deal found 6/7$1,058
This Mytrip deal was found by Cheapflights users on 6/7. 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 7/58:25 am
IAD
-
BFS
2 stops26h 30m
Multiple Airlines
Sun 7/126:45 am
BFS
-
IAD
3 stops42h 39m
Multiple Airlines
Deal found 6/7$1,067
This Mytrip deal was found by Cheapflights users on 6/6. 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 7/26:59 am
DCA
-
BFS
3 stops30h 56m
Multiple Airlines
Mon 7/66:40 am
BFS
-
DCA
3 stops32h 38m
Multiple Airlines
Deal found 6/6$1,090
This Mytrip deal was found by Cheapflights users on 6/8. 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 7/238:30 pm
BWI
-
BFS
2 stops19h 05m
Multiple Airlines
Thu 7/306:10 am
BFS
-
BWI
2 stops18h 15m
Multiple Airlines
Deal found 6/8$1,140
This Mytrip deal was found by Cheapflights users on 6/6. 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 7/46:59 am
DCA
-
BFS
3 stops30h 56m
Multiple Airlines
Sat 7/119:15 pm
BFS
-
DCA
3 stops29h 33m
Multiple Airlines
Deal found 6/6$1,237
This Mytrip deal was found by Cheapflights users on 6/6. 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 7/188:30 pm
BWI
-
BFS
2 stops20h 00m
Multiple Airlines
Fri 7/319:40 am
BFS
-
BWI
2 stops14h 45m
Multiple Airlines
Deal found 6/6$1,539

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 June 10, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$910
(Mytrip)

One-way from

$354
(Kiwi.com)
Provider with most accurate pricing for Washington, D.C. (WAS)-Belfast Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Belfast Intl flights.
Search Deals
From Washington, D.C. (WAS) to Belfast Intl
Search Deals
One-way flight from Washington, D.C. (WAS) to Belfast Intl
Search Deals

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 2,558,603 searches. Data last updated June 10, 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

Price

Cheapest round-trip

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Wed 7/8

6:00 am-7:15 pm

3 stops32h 15m

Belfast Intl

Wed 7/15

5:55 am-6:12 pm

2 stops17h 17m

$927

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Thu 7/23

8:30 pm-9:40 pm

2 stops20h 10m

Belfast Intl

Sun 7/26

7:00 am-3:10 pm

3 stops37h 10m

$963

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 7/8

9:55 am-7:15 pm

2 stops28h 20m

Belfast Intl

Wed 7/15

5:55 am-8:24 pm

2 stops19h 29m

$991

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 7/1

9:55 am-2:30 pm

2 stops23h 35m

Belfast Intl

Tue 7/7

8:45 am-3:10 pm

3 stops35h 25m

$1,049

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Wed 7/22

8:30 pm-9:45 pm

2 stops20h 15m

Belfast Intl

Wed 7/29

7:35 am-7:25 pm

2 stops16h 50m

$1,058

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sun 7/5

8:18 am-3:55 pm

3 stops26h 37m

Belfast Intl

Sun 7/12

6:45 am-3:24 pm

3 stops37h 39m

$1,069

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sun 7/5

12:40 pm-3:55 pm

3 stops22h 15m

Belfast Intl

Sun 7/12

6:45 am-10:18 am

3 stops32h 33m

$1,079

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Thu 7/2

6:59 am-6:55 pm

3 stops30h 56m

Belfast Intl

Mon 7/6

6:40 am-10:18 am

3 stops32h 38m

$1,090

BaltimoreBelfast

BWI - BFS

BWIBFS

Baltimore/Washington

Thu 7/23

8:30 pm-8:35 pm

2 stops19h 05m

Belfast Intl

Thu 7/30

6:10 am-7:25 pm

2 stops18h 15m

$1,140

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sat 7/4

6:59 am-6:55 pm

3 stops30h 56m

Belfast Intl

Sat 7/11

9:15 pm-9:48 pm

3 stops29h 33m

$1,237

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 June.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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
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 June 10, 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.
British Airways
6.7
Okay
8,035 reviews

Boarding

6.9

Crew

7.7

Comfort

6.8

Entertainment

6.4

Overall

6.7

Food

6.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2026

IAH - LHR

Airline was good the flight attendant were very helpful and kind. The problem I had is with cheap tickets, my ticket was not allowed one check in baggage this was new to me. I do a lot of traveling overseas and 1 check in baggage is always allowed. Also I bought insurance for my ticket it proved to be useless. I have called several times and spoke to your customer service, not one single person mentioned it to me that baggage was not allowed. All this additional expense was too much for me. I even asked one of your customer service representative I need to buy extra baggage should I buy it now and he told me when you receive check in information you can buy it @ that time never mentioned it to me that my ticket didn’t include baggage. It was very frustrating. I will never use cheap ticket again.
British Airways
6.7
Okay
8,035 reviews
British Airways
6.7
Okay
8,035 reviews

Boarding

6.9

Crew

7.7

Comfort

6.8

Entertainment

6.4

Overall

6.7

Food

6.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2026

IAH - LHR

Airline was good the flight attendant were very helpful and kind. The problem I had is with cheap tickets, my ticket was not allowed one check in baggage this was new to me. I do a lot of traveling overseas and 1 check in baggage is always allowed. Also I bought insurance for my ticket it proved to be useless. I have called several times and spoke to your customer service, not one single person mentioned it to me that baggage was not allowed. All this additional expense was too much for me. I even asked one of your customer service representative I need to buy extra baggage should I buy it now and he told me when you receive check in information you can buy it @ that time never mentioned it to me that my ticket didn’t include baggage. It was very frustrating. I will never use cheap ticket again.

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.

  • What is the cheapest airline to fly from Washington, D.C. to Belfast Intl Airport round-trip?

    British Airways, at $652, was found to be the cheapest airline from Washington, D.C. to Belfast Intl Airport..

  • What are the most popular routes from Washington, D.C. to Belfast Intl Airport?

    Most travelers choose Washington, D.C. Dulles Intl - Belfast Intl, Baltimore/Washington - Belfast Intl or Washington, D.C. Reagan-National - Belfast Intl when deciding on the best route from Washington, D.C. to Belfast Intl Airport.

  • Can I find deals for flights from Washington, D.C. to Belfast Intl that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Belfast Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Belfast Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Belfast Intl.

  • Can I find deals for business class flights from Washington, D.C. to Belfast Intl?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Washington, D.C. to Belfast Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Belfast Intl flights

Top airline flying from Washington, D.C. to Belfast Intl

Discover the top airline that operate flights from Washington, D.C. 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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$652Average$931FlexibilityNo cancel feeOn-time70%

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